OraSure Technologies Inc NASDAQ:OSUR Historical Prices

Below are the 7768 trading days of historical prices for OSUR.

#	Exchange	Symbol	Date	Open	High	Low	Close
7768	NASDAQ	OSUR	Thu, Jan 19, 2023	4.99	5.03	4.92	5.01
7767	NASDAQ	OSUR	Wed, Jan 18, 2023	5.19	5.27	5.03	5.04
7766	NASDAQ	OSUR	Tue, Jan 17, 2023	5.19	5.29	5.10	5.19
7765	NASDAQ	OSUR	Fri, Jan 13, 2023	5.23	5.33	5.15	5.16
7764	NASDAQ	OSUR	Thu, Jan 12, 2023	5.17	5.29	5.04	5.27
7763	NASDAQ	OSUR	Wed, Jan 11, 2023	5.05	5.26	5.02	5.16
7762	NASDAQ	OSUR	Tue, Jan 10, 2023	4.63	5.05	4.63	5.04
7761	NASDAQ	OSUR	Mon, Jan 9, 2023	4.92	5.01	4.65	4.66
7760	NASDAQ	OSUR	Fri, Jan 6, 2023	4.93	4.99	4.81	4.87
7759	NASDAQ	OSUR	Thu, Jan 5, 2023	4.88	4.94	4.82	4.87
7758	NASDAQ	OSUR	Wed, Jan 4, 2023	4.80	5.01	4.78	4.92
7757	NASDAQ	OSUR	Tue, Jan 3, 2023	4.86	4.95	4.69	4.79
7756	NASDAQ	OSUR	Fri, Dec 30, 2022	4.71	4.84	4.70	4.82
7755	NASDAQ	OSUR	Thu, Dec 29, 2022	4.58	4.81	4.56	4.80
7754	NASDAQ	OSUR	Wed, Dec 28, 2022	4.62	4.71	4.53	4.58
7753	NASDAQ	OSUR	Tue, Dec 27, 2022	4.73	4.73	4.60	4.63
7752	NASDAQ	OSUR	Fri, Dec 23, 2022	4.78	4.83	4.64	4.73
7751	NASDAQ	OSUR	Thu, Dec 22, 2022	4.88	4.96	4.71	4.80
7750	NASDAQ	OSUR	Wed, Dec 21, 2022	4.97	5.08	4.92	4.93
7749	NASDAQ	OSUR	Tue, Dec 20, 2022	4.86	5.00	4.83	4.92
7748	NASDAQ	OSUR	Mon, Dec 19, 2022	5.01	5.01	4.83	4.91
7747	NASDAQ	OSUR	Fri, Dec 16, 2022	5.00	5.06	4.90	5.01
7746	NASDAQ	OSUR	Thu, Dec 15, 2022	5.16	5.22	5.03	5.07
7745	NASDAQ	OSUR	Wed, Dec 14, 2022	5.20	5.35	5.16	5.26
7744	NASDAQ	OSUR	Tue, Dec 13, 2022	5.35	5.46	5.20	5.22
7743	NASDAQ	OSUR	Mon, Dec 12, 2022	5.20	5.27	5.10	5.16
7742	NASDAQ	OSUR	Fri, Dec 9, 2022	5.06	5.31	5.06	5.19
7741	NASDAQ	OSUR	Thu, Dec 8, 2022	5.01	5.21	4.91	5.19
7740	NASDAQ	OSUR	Wed, Dec 7, 2022	5.04	5.10	4.97	4.98
7739	NASDAQ	OSUR	Tue, Dec 6, 2022	5.05	5.17	4.98	5.03
7738	NASDAQ	OSUR	Mon, Dec 5, 2022	5.01	5.10	4.96	5.06
7737	NASDAQ	OSUR	Fri, Dec 2, 2022	4.99	5.10	4.95	5.07
7736	NASDAQ	OSUR	Thu, Dec 1, 2022	5.09	5.35	5.08	5.12
7735	NASDAQ	OSUR	Wed, Nov 30, 2022	4.81	5.08	4.73	5.04
7734	NASDAQ	OSUR	Tue, Nov 29, 2022	4.81	4.91	4.78	4.83
7733	NASDAQ	OSUR	Mon, Nov 28, 2022	4.95	4.99	4.80	4.80
7732	NASDAQ	OSUR	Fri, Nov 25, 2022	4.95	5.01	4.86	4.97
7731	NASDAQ	OSUR	Wed, Nov 23, 2022	4.98	5.08	4.94	4.95
7730	NASDAQ	OSUR	Tue, Nov 22, 2022	4.96	5.16	4.83	4.98
7729	NASDAQ	OSUR	Mon, Nov 21, 2022	5.06	5.14	4.94	4.95
7728	NASDAQ	OSUR	Fri, Nov 18, 2022	5.23	5.23	5.02	5.12
7727	NASDAQ	OSUR	Thu, Nov 17, 2022	5.12	5.17	5.02	5.09
7726	NASDAQ	OSUR	Wed, Nov 16, 2022	5.28	5.30	5.13	5.15
7725	NASDAQ	OSUR	Tue, Nov 15, 2022	5.30	5.38	5.16	5.29
7724	NASDAQ	OSUR	Mon, Nov 14, 2022	5.37	5.43	5.13	5.18
7723	NASDAQ	OSUR	Fri, Nov 11, 2022	4.82	5.37	4.82	5.29
7722	NASDAQ	OSUR	Thu, Nov 10, 2022	4.47	4.89	4.47	4.87
7721	NASDAQ	OSUR	Wed, Nov 9, 2022	4.98	5.16	4.38	4.41
7720	NASDAQ	OSUR	Tue, Nov 8, 2022	4.38	4.44	4.25	4.26
7719	NASDAQ	OSUR	Mon, Nov 7, 2022	4.26	4.52	4.26	4.38
7718	NASDAQ	OSUR	Fri, Nov 4, 2022	4.26	4.33	4.06	4.31
7717	NASDAQ	OSUR	Thu, Nov 3, 2022	4.47	4.47	4.19	4.22
7716	NASDAQ	OSUR	Wed, Nov 2, 2022	4.48	4.59	4.34	4.37
7715	NASDAQ	OSUR	Tue, Nov 1, 2022	4.41	4.49	4.32	4.46
7714	NASDAQ	OSUR	Mon, Oct 31, 2022	4.30	4.41	4.25	4.36
7713	NASDAQ	OSUR	Fri, Oct 28, 2022	4.21	4.34	4.18	4.31
7712	NASDAQ	OSUR	Thu, Oct 27, 2022	4.23	4.38	4.13	4.18
7711	NASDAQ	OSUR	Wed, Oct 26, 2022	4.15	4.33	4.09	4.30
7710	NASDAQ	OSUR	Tue, Oct 25, 2022	3.90	4.14	3.90	4.13
7709	NASDAQ	OSUR	Mon, Oct 24, 2022	3.88	3.91	3.80	3.90
7708	NASDAQ	OSUR	Fri, Oct 21, 2022	3.77	3.90	3.68	3.88
7707	NASDAQ	OSUR	Thu, Oct 20, 2022	3.65	3.78	3.61	3.73
7706	NASDAQ	OSUR	Wed, Oct 19, 2022	3.89	3.91	3.63	3.70
7705	NASDAQ	OSUR	Tue, Oct 18, 2022	3.99	4.12	3.85	3.90
7704	NASDAQ	OSUR	Mon, Oct 17, 2022	3.95	4.02	3.88	3.91
7703	NASDAQ	OSUR	Fri, Oct 14, 2022	3.83	3.90	3.74	3.88
7702	NASDAQ	OSUR	Thu, Oct 13, 2022	3.64	3.82	3.56	3.79
7701	NASDAQ	OSUR	Wed, Oct 12, 2022	3.91	3.91	3.64	3.75
7700	NASDAQ	OSUR	Tue, Oct 11, 2022	3.82	3.97	3.78	3.95
7699	NASDAQ	OSUR	Mon, Oct 10, 2022	3.85	3.90	3.71	3.83
7698	NASDAQ	OSUR	Fri, Oct 7, 2022	4.00	4.07	3.84	3.86
7697	NASDAQ	OSUR	Thu, Oct 6, 2022	4.00	4.10	3.96	4.01
7696	NASDAQ	OSUR	Wed, Oct 5, 2022	3.97	4.02	3.91	4.00
7695	NASDAQ	OSUR	Tue, Oct 4, 2022	4.04	4.12	3.97	4.02
7694	NASDAQ	OSUR	Mon, Oct 3, 2022	3.79	4.06	3.71	4.02
7693	NASDAQ	OSUR	Fri, Sep 30, 2022	3.83	3.98	3.77	3.79
7692	NASDAQ	OSUR	Thu, Sep 29, 2022	4.00	4.03	3.84	3.90
7691	NASDAQ	OSUR	Wed, Sep 28, 2022	3.70	4.07	3.70	4.02
7690	NASDAQ	OSUR	Tue, Sep 27, 2022	3.71	3.78	3.64	3.66
7689	NASDAQ	OSUR	Mon, Sep 26, 2022	3.65	3.75	3.62	3.70
7688	NASDAQ	OSUR	Fri, Sep 23, 2022	3.54	3.68	3.45	3.66
7687	NASDAQ	OSUR	Thu, Sep 22, 2022	3.74	3.75	3.57	3.59
7686	NASDAQ	OSUR	Wed, Sep 21, 2022	3.82	3.92	3.76	3.78
7685	NASDAQ	OSUR	Tue, Sep 20, 2022	3.95	3.95	3.79	3.82
7684	NASDAQ	OSUR	Mon, Sep 19, 2022	4.04	4.04	3.82	3.98
7683	NASDAQ	OSUR	Fri, Sep 16, 2022	4.13	4.22	3.93	4.06
7682	NASDAQ	OSUR	Thu, Sep 15, 2022	4.09	4.24	4.06	4.14
7681	NASDAQ	OSUR	Wed, Sep 14, 2022	4.23	4.32	4.03	4.13
7680	NASDAQ	OSUR	Tue, Sep 13, 2022	4.16	4.30	4.05	4.23
7679	NASDAQ	OSUR	Mon, Sep 12, 2022	4.13	4.30	4.04	4.28
7678	NASDAQ	OSUR	Fri, Sep 9, 2022	3.92	4.18	3.87	4.15
7677	NASDAQ	OSUR	Thu, Sep 8, 2022	3.90	4.03	3.85	3.91
7676	NASDAQ	OSUR	Wed, Sep 7, 2022	3.91	3.97	3.76	3.95
7675	NASDAQ	OSUR	Tue, Sep 6, 2022	3.95	4.00	3.84	3.85
7674	NASDAQ	OSUR	Fri, Sep 2, 2022	3.99	4.03	3.90	3.98
7673	NASDAQ	OSUR	Thu, Sep 1, 2022	4.04	4.20	3.96	3.98
7672	NASDAQ	OSUR	Wed, Aug 31, 2022	4.18	4.36	4.08	4.09
7671	NASDAQ	OSUR	Tue, Aug 30, 2022	4.07	4.25	4.00	4.11
7670	NASDAQ	OSUR	Mon, Aug 29, 2022	3.94	4.02	3.86	3.98
7669	NASDAQ	OSUR	Fri, Aug 26, 2022	4.20	4.20	3.97	4.00
7668	NASDAQ	OSUR	Thu, Aug 25, 2022	4.04	4.21	4.00	4.19
7667	NASDAQ	OSUR	Wed, Aug 24, 2022	4.06	4.12	3.99	4.01
7666	NASDAQ	OSUR	Tue, Aug 23, 2022	4.09	4.12	4.01	4.07
7665	NASDAQ	OSUR	Mon, Aug 22, 2022	4.08	4.22	4.03	4.07
7664	NASDAQ	OSUR	Fri, Aug 19, 2022	4.29	4.32	4.14	4.18
7663	NASDAQ	OSUR	Thu, Aug 18, 2022	4.30	4.42	4.20	4.32
7662	NASDAQ	OSUR	Wed, Aug 17, 2022	4.45	4.55	4.28	4.30
7661	NASDAQ	OSUR	Tue, Aug 16, 2022	4.57	4.60	4.32	4.40
7660	NASDAQ	OSUR	Mon, Aug 15, 2022	4.53	4.77	4.38	4.61
7659	NASDAQ	OSUR	Fri, Aug 12, 2022	4.36	4.60	4.30	4.56
7658	NASDAQ	OSUR	Thu, Aug 11, 2022	4.22	4.81	4.11	4.36
7657	NASDAQ	OSUR	Wed, Aug 10, 2022	3.68	4.49	3.41	4.22
7656	NASDAQ	OSUR	Tue, Aug 9, 2022	3.25	3.32	3.13	3.19
7655	NASDAQ	OSUR	Mon, Aug 8, 2022	3.21	3.38	3.21	3.29
7654	NASDAQ	OSUR	Fri, Aug 5, 2022	3.17	3.21	3.11	3.17
7653	NASDAQ	OSUR	Thu, Aug 4, 2022	3.26	3.30	3.17	3.21
7652	NASDAQ	OSUR	Wed, Aug 3, 2022	3.14	3.25	3.14	3.23
7651	NASDAQ	OSUR	Tue, Aug 2, 2022	2.99	3.14	2.99	3.13
7650	NASDAQ	OSUR	Mon, Aug 1, 2022	3.01	3.07	2.98	3.01
7649	NASDAQ	OSUR	Fri, Jul 29, 2022	3.01	3.12	2.97	3.06
7648	NASDAQ	OSUR	Thu, Jul 28, 2022	2.99	3.07	2.93	3.04
7647	NASDAQ	OSUR	Wed, Jul 27, 2022	2.92	2.99	2.85	2.97
7646	NASDAQ	OSUR	Tue, Jul 26, 2022	2.93	2.95	2.81	2.90
7645	NASDAQ	OSUR	Mon, Jul 25, 2022	2.97	3.10	2.91	2.95
7644	NASDAQ	OSUR	Fri, Jul 22, 2022	3.07	3.08	2.95	2.96
7643	NASDAQ	OSUR	Thu, Jul 21, 2022	3.05	3.12	3.02	3.08
7642	NASDAQ	OSUR	Wed, Jul 20, 2022	3.02	3.09	2.98	3.05
7641	NASDAQ	OSUR	Tue, Jul 19, 2022	2.95	3.05	2.94	3.02
7640	NASDAQ	OSUR	Mon, Jul 18, 2022	2.95	3.04	2.89	2.91
7639	NASDAQ	OSUR	Fri, Jul 15, 2022	2.99	2.99	2.85	2.91
7638	NASDAQ	OSUR	Thu, Jul 14, 2022	3.03	3.03	2.85	2.93
7637	NASDAQ	OSUR	Wed, Jul 13, 2022	3.04	3.09	2.99	3.00
7636	NASDAQ	OSUR	Tue, Jul 12, 2022	3.03	3.11	2.96	3.10
7635	NASDAQ	OSUR	Mon, Jul 11, 2022	3.01	3.10	2.97	3.03
7634	NASDAQ	OSUR	Fri, Jul 8, 2022	2.85	3.04	2.84	3.02
7633	NASDAQ	OSUR	Thu, Jul 7, 2022	2.77	2.87	2.71	2.86
7632	NASDAQ	OSUR	Wed, Jul 6, 2022	2.73	2.82	2.73	2.77
7631	NASDAQ	OSUR	Tue, Jul 5, 2022	2.74	2.80	2.66	2.78
7630	NASDAQ	OSUR	Fri, Jul 1, 2022	2.68	2.78	2.65	2.72
7629	NASDAQ	OSUR	Thu, Jun 30, 2022	2.75	2.83	2.66	2.71
7628	NASDAQ	OSUR	Wed, Jun 29, 2022	2.82	2.85	2.69	2.74
7627	NASDAQ	OSUR	Tue, Jun 28, 2022	2.89	2.95	2.77	2.79
7626	NASDAQ	OSUR	Mon, Jun 27, 2022	2.94	2.94	2.84	2.89
7625	NASDAQ	OSUR	Fri, Jun 24, 2022	2.87	2.92	2.81	2.89
7624	NASDAQ	OSUR	Thu, Jun 23, 2022	2.82	2.89	2.75	2.86
7623	NASDAQ	OSUR	Wed, Jun 22, 2022	2.76	2.92	2.76	2.82
7622	NASDAQ	OSUR	Tue, Jun 21, 2022	2.82	2.88	2.77	2.78
7621	NASDAQ	OSUR	Fri, Jun 17, 2022	2.81	2.91	2.76	2.78
7620	NASDAQ	OSUR	Thu, Jun 16, 2022	2.84	2.90	2.67	2.81
7619	NASDAQ	OSUR	Wed, Jun 15, 2022	2.78	2.98	2.75	2.93
7618	NASDAQ	OSUR	Tue, Jun 14, 2022	2.72	2.78	2.62	2.75
7617	NASDAQ	OSUR	Mon, Jun 13, 2022	2.68	2.85	2.62	2.72
7616	NASDAQ	OSUR	Fri, Jun 10, 2022	2.85	2.91	2.67	2.73
7615	NASDAQ	OSUR	Thu, Jun 9, 2022	3.00	3.06	2.87	2.89
7614	NASDAQ	OSUR	Wed, Jun 8, 2022	3.35	3.36	2.93	3.03
7613	NASDAQ	OSUR	Tue, Jun 7, 2022	3.30	3.40	3.20	3.33
7612	NASDAQ	OSUR	Mon, Jun 6, 2022	3.85	3.89	3.35	3.37
7611	NASDAQ	OSUR	Fri, Jun 3, 2022	4.08	4.18	3.83	3.85
7610	NASDAQ	OSUR	Thu, Jun 2, 2022	4.02	4.14	3.97	4.12
7609	NASDAQ	OSUR	Wed, Jun 1, 2022	4.20	4.35	3.90	4.00
7608	NASDAQ	OSUR	Tue, May 31, 2022	4.31	4.38	4.13	4.15
7607	NASDAQ	OSUR	Fri, May 27, 2022	4.22	4.37	4.15	4.35
7606	NASDAQ	OSUR	Thu, May 26, 2022	4.40	4.40	4.00	4.22
7605	NASDAQ	OSUR	Wed, May 25, 2022	4.71	4.71	4.17	4.33
7604	NASDAQ	OSUR	Tue, May 24, 2022	5.56	5.58	4.20	4.51
7603	NASDAQ	OSUR	Mon, May 23, 2022	5.47	5.66	5.40	5.57
7602	NASDAQ	OSUR	Fri, May 20, 2022	5.50	5.59	5.36	5.48
7601	NASDAQ	OSUR	Thu, May 19, 2022	5.18	5.61	5.18	5.45
7600	NASDAQ	OSUR	Wed, May 18, 2022	5.23	5.45	5.19	5.23
7599	NASDAQ	OSUR	Tue, May 17, 2022	5.22	5.37	5.14	5.23
7598	NASDAQ	OSUR	Mon, May 16, 2022	5.34	5.40	5.10	5.11
7597	NASDAQ	OSUR	Fri, May 13, 2022	5.22	5.54	5.20	5.42
7596	NASDAQ	OSUR	Thu, May 12, 2022	5.08	5.31	4.97	5.16
7595	NASDAQ	OSUR	Wed, May 11, 2022	5.20	5.38	4.73	5.14
7594	NASDAQ	OSUR	Tue, May 10, 2022	5.65	5.76	5.19	5.27
7593	NASDAQ	OSUR	Mon, May 9, 2022	5.91	6.10	5.61	5.64
7592	NASDAQ	OSUR	Fri, May 6, 2022	6.05	6.07	5.87	5.95
7591	NASDAQ	OSUR	Thu, May 5, 2022	6.29	6.32	5.96	6.05
7590	NASDAQ	OSUR	Wed, May 4, 2022	6.19	6.40	6.07	6.37
7589	NASDAQ	OSUR	Tue, May 3, 2022	6.30	6.49	6.14	6.18
7588	NASDAQ	OSUR	Mon, May 2, 2022	6.10	6.35	6.08	6.32
7587	NASDAQ	OSUR	Fri, Apr 29, 2022	6.07	6.24	5.98	6.14
7586	NASDAQ	OSUR	Thu, Apr 28, 2022	6.15	6.17	5.85	6.03
7585	NASDAQ	OSUR	Wed, Apr 27, 2022	6.26	6.34	6.07	6.11
7584	NASDAQ	OSUR	Tue, Apr 26, 2022	6.46	6.46	6.17	6.35
7583	NASDAQ	OSUR	Mon, Apr 25, 2022	6.44	6.55	6.30	6.50
7582	NASDAQ	OSUR	Fri, Apr 22, 2022	6.52	6.63	6.45	6.49
7581	NASDAQ	OSUR	Thu, Apr 21, 2022	6.86	6.90	6.51	6.56
7580	NASDAQ	OSUR	Wed, Apr 20, 2022	6.82	6.96	6.69	6.80
7579	NASDAQ	OSUR	Tue, Apr 19, 2022	6.81	6.98	6.77	6.79
7578	NASDAQ	OSUR	Mon, Apr 18, 2022	6.67	6.87	6.56	6.85
7577	NASDAQ	OSUR	Thu, Apr 14, 2022	6.83	6.85	6.70	6.74
7576	NASDAQ	OSUR	Wed, Apr 13, 2022	6.81	6.88	6.77	6.79
7575	NASDAQ	OSUR	Tue, Apr 12, 2022	6.84	6.99	6.72	6.79
7574	NASDAQ	OSUR	Mon, Apr 11, 2022	6.98	7.02	6.80	6.83
7573	NASDAQ	OSUR	Fri, Apr 8, 2022	7.06	7.22	7.02	7.05
7572	NASDAQ	OSUR	Thu, Apr 7, 2022	6.73	7.15	6.72	7.10
7571	NASDAQ	OSUR	Wed, Apr 6, 2022	6.75	6.83	6.59	6.77
7570	NASDAQ	OSUR	Tue, Apr 5, 2022	7.07	7.13	6.78	6.79
7569	NASDAQ	OSUR	Mon, Apr 4, 2022	6.88	7.13	6.75	7.12
7568	NASDAQ	OSUR	Fri, Apr 1, 2022	6.79	6.88	6.62	6.83
7567	NASDAQ	OSUR	Thu, Mar 31, 2022	6.99	7.03	6.74	6.78
7566	NASDAQ	OSUR	Wed, Mar 30, 2022	6.92	7.24	6.85	7.02
7565	NASDAQ	OSUR	Tue, Mar 29, 2022	7.08	7.26	6.91	6.97
7564	NASDAQ	OSUR	Mon, Mar 28, 2022	6.84	7.05	6.84	6.95
7563	NASDAQ	OSUR	Fri, Mar 25, 2022	6.96	7.03	6.81	6.84
7562	NASDAQ	OSUR	Thu, Mar 24, 2022	7.04	7.04	6.88	6.95
7561	NASDAQ	OSUR	Wed, Mar 23, 2022	7.21	7.23	6.97	7.01
7560	NASDAQ	OSUR	Tue, Mar 22, 2022	7.23	7.48	7.11	7.29
7559	NASDAQ	OSUR	Mon, Mar 21, 2022	7.23	7.28	7.07	7.18
7558	NASDAQ	OSUR	Fri, Mar 18, 2022	6.97	7.30	6.97	7.28
7557	NASDAQ	OSUR	Thu, Mar 17, 2022	6.83	7.22	6.83	7.06
7556	NASDAQ	OSUR	Wed, Mar 16, 2022	6.70	6.88	6.59	6.88
7555	NASDAQ	OSUR	Tue, Mar 15, 2022	6.66	6.70	6.51	6.66
7554	NASDAQ	OSUR	Mon, Mar 14, 2022	6.80	6.93	6.57	6.62
7553	NASDAQ	OSUR	Fri, Mar 11, 2022	7.10	7.10	6.80	6.81
7552	NASDAQ	OSUR	Thu, Mar 10, 2022	7.09	7.10	6.94	7.04
7551	NASDAQ	OSUR	Wed, Mar 9, 2022	7.14	7.24	7.03	7.22
7550	NASDAQ	OSUR	Tue, Mar 8, 2022	7.34	7.52	7.01	7.02
7549	NASDAQ	OSUR	Mon, Mar 7, 2022	7.42	7.63	7.23	7.40
7548	NASDAQ	OSUR	Fri, Mar 4, 2022	7.51	7.66	7.41	7.50
7547	NASDAQ	OSUR	Thu, Mar 3, 2022	7.72	7.72	7.45	7.67
7546	NASDAQ	OSUR	Wed, Mar 2, 2022	7.65	7.78	7.56	7.68
7545	NASDAQ	OSUR	Tue, Mar 1, 2022	7.81	8.10	7.65	7.70
7544	NASDAQ	OSUR	Mon, Feb 28, 2022	8.00	8.22	7.73	7.80
7543	NASDAQ	OSUR	Fri, Feb 25, 2022	7.80	8.05	7.54	8.05
7542	NASDAQ	OSUR	Thu, Feb 24, 2022	7.00	7.79	7.00	7.76
7541	NASDAQ	OSUR	Wed, Feb 23, 2022	7.91	7.98	7.50	7.51
7540	NASDAQ	OSUR	Tue, Feb 22, 2022	7.86	7.98	7.78	7.86
7539	NASDAQ	OSUR	Fri, Feb 18, 2022	8.22	8.39	7.91	7.97
7538	NASDAQ	OSUR	Thu, Feb 17, 2022	8.48	8.56	8.24	8.28
7537	NASDAQ	OSUR	Wed, Feb 16, 2022	8.79	8.79	8.53	8.57
7536	NASDAQ	OSUR	Tue, Feb 15, 2022	8.70	8.91	8.70	8.81
7535	NASDAQ	OSUR	Mon, Feb 14, 2022	8.91	8.95	8.63	8.67
7534	NASDAQ	OSUR	Fri, Feb 11, 2022	9.00	9.17	8.86	8.91
7533	NASDAQ	OSUR	Thu, Feb 10, 2022	9.26	9.36	9.02	9.06
7532	NASDAQ	OSUR	Wed, Feb 9, 2022	9.28	9.42	9.22	9.33
7531	NASDAQ	OSUR	Tue, Feb 8, 2022	9.25	9.33	9.16	9.28
7530	NASDAQ	OSUR	Mon, Feb 7, 2022	9.09	9.31	9.09	9.22
7529	NASDAQ	OSUR	Fri, Feb 4, 2022	8.95	9.19	8.89	9.12
7528	NASDAQ	OSUR	Thu, Feb 3, 2022	9.12	9.19	8.88	9.00
7527	NASDAQ	OSUR	Wed, Feb 2, 2022	9.05	9.30	8.90	9.27
7526	NASDAQ	OSUR	Tue, Feb 1, 2022	8.84	9.00	8.72	8.98
7525	NASDAQ	OSUR	Mon, Jan 31, 2022	8.73	8.96	8.65	8.85
7524	NASDAQ	OSUR	Fri, Jan 28, 2022	8.25	8.67	8.16	8.67
7523	NASDAQ	OSUR	Thu, Jan 27, 2022	8.42	8.65	8.24	8.25
7522	NASDAQ	OSUR	Wed, Jan 26, 2022	8.50	8.91	8.30	8.39
7521	NASDAQ	OSUR	Tue, Jan 25, 2022	8.71	8.82	8.32	8.48
7520	NASDAQ	OSUR	Mon, Jan 24, 2022	8.68	8.77	8.25	8.74
7519	NASDAQ	OSUR	Fri, Jan 21, 2022	8.54	8.95	8.50	8.81
7518	NASDAQ	OSUR	Thu, Jan 20, 2022	8.33	8.82	8.14	8.67
7517	NASDAQ	OSUR	Wed, Jan 19, 2022	8.23	8.41	8.07	8.26
7516	NASDAQ	OSUR	Tue, Jan 18, 2022	8.39	8.56	8.25	8.27
7515	NASDAQ	OSUR	Fri, Jan 14, 2022	8.09	8.55	8.07	8.51
7514	NASDAQ	OSUR	Thu, Jan 13, 2022	8.32	8.40	8.09	8.17
7513	NASDAQ	OSUR	Wed, Jan 12, 2022	8.60	8.66	8.35	8.35
7512	NASDAQ	OSUR	Tue, Jan 11, 2022	8.43	8.73	8.37	8.62
7511	NASDAQ	OSUR	Mon, Jan 10, 2022	7.94	8.57	7.69	8.54
7510	NASDAQ	OSUR	Fri, Jan 7, 2022	7.89	7.97	7.56	7.94
7509	NASDAQ	OSUR	Thu, Jan 6, 2022	7.99	8.07	7.78	7.85
7508	NASDAQ	OSUR	Wed, Jan 5, 2022	8.20	8.43	7.99	8.00
7507	NASDAQ	OSUR	Tue, Jan 4, 2022	8.60	8.70	8.09	8.20
7506	NASDAQ	OSUR	Mon, Jan 3, 2022	8.68	8.75	8.45	8.66
7505	NASDAQ	OSUR	Fri, Dec 31, 2021	8.85	8.96	8.67	8.69
7504	NASDAQ	OSUR	Thu, Dec 30, 2021	8.80	9.04	8.78	8.82
7503	NASDAQ	OSUR	Wed, Dec 29, 2021	8.87	9.03	8.74	8.80
7502	NASDAQ	OSUR	Tue, Dec 28, 2021	9.05	9.19	8.86	8.87
7501	NASDAQ	OSUR	Mon, Dec 27, 2021	9.29	9.33	9.07	9.20
7500	NASDAQ	OSUR	Thu, Dec 23, 2021	9.20	9.41	9.09	9.25
7499	NASDAQ	OSUR	Wed, Dec 22, 2021	9.51	9.63	9.30	9.51
7498	NASDAQ	OSUR	Tue, Dec 21, 2021	9.66	9.77	9.24	9.46
7497	NASDAQ	OSUR	Mon, Dec 20, 2021	9.44	9.74	9.40	9.58
7496	NASDAQ	OSUR	Fri, Dec 17, 2021	8.99	9.57	8.98	9.46
7495	NASDAQ	OSUR	Thu, Dec 16, 2021	9.23	9.45	8.90	9.01
7494	NASDAQ	OSUR	Wed, Dec 15, 2021	8.76	9.20	8.66	9.19
7493	NASDAQ	OSUR	Tue, Dec 14, 2021	8.67	8.99	8.56	8.79
7492	NASDAQ	OSUR	Mon, Dec 13, 2021	8.25	8.82	8.25	8.74
7491	NASDAQ	OSUR	Fri, Dec 10, 2021	8.53	8.70	8.26	8.30
7490	NASDAQ	OSUR	Thu, Dec 9, 2021	8.78	9.02	8.50	8.53
7489	NASDAQ	OSUR	Wed, Dec 8, 2021	9.05	9.08	8.84	9.00
7488	NASDAQ	OSUR	Tue, Dec 7, 2021	9.01	9.24	8.89	8.97
7487	NASDAQ	OSUR	Mon, Dec 6, 2021	8.66	9.01	8.54	8.94
7486	NASDAQ	OSUR	Fri, Dec 3, 2021	9.09	9.09	8.50	8.70
7485	NASDAQ	OSUR	Thu, Dec 2, 2021	9.05	9.29	8.67	8.94
7484	NASDAQ	OSUR	Wed, Dec 1, 2021	9.36	9.43	8.93	8.99
7483	NASDAQ	OSUR	Tue, Nov 30, 2021	9.36	9.73	9.26	9.33
7482	NASDAQ	OSUR	Mon, Nov 29, 2021	9.60	9.69	9.35	9.46
7481	NASDAQ	OSUR	Fri, Nov 26, 2021	9.28	9.77	9.28	9.53
7480	NASDAQ	OSUR	Wed, Nov 24, 2021	9.17	9.34	9.00	9.23
7479	NASDAQ	OSUR	Tue, Nov 23, 2021	9.50	9.50	8.96	9.19
7478	NASDAQ	OSUR	Mon, Nov 22, 2021	9.74	9.74	9.40	9.43
7477	NASDAQ	OSUR	Fri, Nov 19, 2021	9.74	10.12	9.70	9.82
7476	NASDAQ	OSUR	Thu, Nov 18, 2021	10.03	10.08	9.55	9.73
7475	NASDAQ	OSUR	Wed, Nov 17, 2021	10.21	10.21	9.93	10.03
7474	NASDAQ	OSUR	Tue, Nov 16, 2021	9.93	10.24	9.80	10.18
7473	NASDAQ	OSUR	Mon, Nov 15, 2021	10.02	10.09	9.85	9.93
7472	NASDAQ	OSUR	Fri, Nov 12, 2021	9.85	10.10	9.70	9.95
7471	NASDAQ	OSUR	Thu, Nov 11, 2021	9.49	9.82	9.44	9.80
7470	NASDAQ	OSUR	Wed, Nov 10, 2021	9.69	9.78	9.40	9.50
7469	NASDAQ	OSUR	Tue, Nov 9, 2021	9.88	9.96	9.62	9.66
7468	NASDAQ	OSUR	Mon, Nov 8, 2021	9.79	10.18	9.70	10.01
7467	NASDAQ	OSUR	Fri, Nov 5, 2021	10.16	10.20	9.62	9.67
7466	NASDAQ	OSUR	Thu, Nov 4, 2021	10.40	10.93	10.06	10.32
7465	NASDAQ	OSUR	Wed, Nov 3, 2021	10.73	11.22	10.49	11.14
7464	NASDAQ	OSUR	Tue, Nov 2, 2021	11.20	11.45	10.67	10.85
7463	NASDAQ	OSUR	Mon, Nov 1, 2021	10.66	11.05	10.61	11.01
7462	NASDAQ	OSUR	Fri, Oct 29, 2021	10.67	10.72	10.52	10.67
7461	NASDAQ	OSUR	Thu, Oct 28, 2021	10.65	10.81	10.51	10.67
7460	NASDAQ	OSUR	Wed, Oct 27, 2021	10.58	10.67	10.43	10.61
7459	NASDAQ	OSUR	Tue, Oct 26, 2021	10.91	10.91	10.59	10.61
7458	NASDAQ	OSUR	Mon, Oct 25, 2021	10.95	10.95	10.65	10.85
7457	NASDAQ	OSUR	Fri, Oct 22, 2021	10.91	10.92	10.68	10.88
7456	NASDAQ	OSUR	Thu, Oct 21, 2021	11.21	11.26	10.94	10.98
7455	NASDAQ	OSUR	Wed, Oct 20, 2021	10.96	11.24	10.86	11.22
7454	NASDAQ	OSUR	Tue, Oct 19, 2021	10.68	11.04	10.55	10.91
7453	NASDAQ	OSUR	Mon, Oct 18, 2021	10.50	10.68	10.40	10.55
7452	NASDAQ	OSUR	Fri, Oct 15, 2021	10.95	10.95	10.47	10.51
7451	NASDAQ	OSUR	Thu, Oct 14, 2021	10.50	10.96	10.48	10.76
7450	NASDAQ	OSUR	Wed, Oct 13, 2021	10.71	10.88	10.53	10.69
7449	NASDAQ	OSUR	Tue, Oct 12, 2021	10.92	10.95	10.67	10.69
7448	NASDAQ	OSUR	Mon, Oct 11, 2021	11.11	11.22	10.87	10.89
7447	NASDAQ	OSUR	Fri, Oct 8, 2021	11.39	11.59	11.17	11.18
7446	NASDAQ	OSUR	Thu, Oct 7, 2021	10.77	11.46	10.75	11.29
7445	NASDAQ	OSUR	Wed, Oct 6, 2021	10.78	10.87	10.48	10.72
7444	NASDAQ	OSUR	Tue, Oct 5, 2021	11.00	11.36	10.56	10.79
7443	NASDAQ	OSUR	Mon, Oct 4, 2021	10.94	11.36	10.68	10.75
7442	NASDAQ	OSUR	Fri, Oct 1, 2021	11.26	11.43	10.46	10.70
7441	NASDAQ	OSUR	Thu, Sep 30, 2021	11.31	11.89	11.27	11.31
7440	NASDAQ	OSUR	Wed, Sep 29, 2021	10.64	11.35	10.64	11.25
7439	NASDAQ	OSUR	Tue, Sep 28, 2021	10.93	10.96	10.54	10.60
7438	NASDAQ	OSUR	Mon, Sep 27, 2021	10.95	11.19	10.68	10.94
7437	NASDAQ	OSUR	Fri, Sep 24, 2021	11.17	11.21	10.73	10.91
7436	NASDAQ	OSUR	Thu, Sep 23, 2021	11.25	11.51	11.00	11.18
7435	NASDAQ	OSUR	Wed, Sep 22, 2021	12.66	12.91	11.14	11.19
7434	NASDAQ	OSUR	Tue, Sep 21, 2021	13.02	13.57	12.93	13.34
7433	NASDAQ	OSUR	Mon, Sep 20, 2021	12.70	13.21	12.64	12.80
7432	NASDAQ	OSUR	Fri, Sep 17, 2021	11.50	13.38	11.48	13.38
7431	NASDAQ	OSUR	Thu, Sep 16, 2021	10.53	11.62	10.52	11.47
7430	NASDAQ	OSUR	Wed, Sep 15, 2021	10.60	10.68	10.33	10.55
7429	NASDAQ	OSUR	Tue, Sep 14, 2021	10.91	11.04	10.61	10.68
7428	NASDAQ	OSUR	Mon, Sep 13, 2021	11.71	11.78	10.75	10.86
7427	NASDAQ	OSUR	Fri, Sep 10, 2021	11.06	11.85	10.96	11.78
7426	NASDAQ	OSUR	Thu, Sep 9, 2021	10.91	11.02	10.75	10.83
7425	NASDAQ	OSUR	Wed, Sep 8, 2021	11.11	11.23	10.95	10.99
7424	NASDAQ	OSUR	Tue, Sep 7, 2021	11.12	11.35	11.09	11.17
7423	NASDAQ	OSUR	Fri, Sep 3, 2021	11.36	11.47	11.16	11.19
7422	NASDAQ	OSUR	Thu, Sep 2, 2021	11.06	11.41	10.89	11.36
7421	NASDAQ	OSUR	Wed, Sep 1, 2021	10.94	11.25	10.70	11.18
7420	NASDAQ	OSUR	Tue, Aug 31, 2021	10.82	11.02	10.81	10.95
7419	NASDAQ	OSUR	Mon, Aug 30, 2021	10.86	10.92	10.61	10.88
7418	NASDAQ	OSUR	Fri, Aug 27, 2021	10.62	10.83	10.59	10.59
7417	NASDAQ	OSUR	Thu, Aug 26, 2021	10.66	10.85	10.54	10.59
7416	NASDAQ	OSUR	Wed, Aug 25, 2021	10.53	10.78	10.47	10.71
7415	NASDAQ	OSUR	Tue, Aug 24, 2021	10.52	10.62	10.35	10.60
7414	NASDAQ	OSUR	Mon, Aug 23, 2021	10.24	10.59	10.20	10.50
7413	NASDAQ	OSUR	Fri, Aug 20, 2021	10.05	10.32	10.03	10.17
7412	NASDAQ	OSUR	Thu, Aug 19, 2021	10.20	10.29	10.06	10.10
7411	NASDAQ	OSUR	Wed, Aug 18, 2021	10.47	10.51	10.21	10.23
7410	NASDAQ	OSUR	Tue, Aug 17, 2021	10.46	10.81	10.35	10.42
7409	NASDAQ	OSUR	Mon, Aug 16, 2021	10.90	10.90	10.52	10.53
7408	NASDAQ	OSUR	Fri, Aug 13, 2021	10.80	11.10	10.75	10.87
7407	NASDAQ	OSUR	Thu, Aug 12, 2021	11.23	11.29	11.00	11.04
7406	NASDAQ	OSUR	Wed, Aug 11, 2021	11.31	11.32	11.06	11.21
7405	NASDAQ	OSUR	Tue, Aug 10, 2021	11.66	11.78	11.29	11.32
7404	NASDAQ	OSUR	Mon, Aug 9, 2021	11.76	11.86	11.50	11.59
7403	NASDAQ	OSUR	Fri, Aug 6, 2021	12.03	12.03	11.65	11.76
7402	NASDAQ	OSUR	Thu, Aug 5, 2021	11.92	12.21	11.71	11.98
7401	NASDAQ	OSUR	Wed, Aug 4, 2021	10.66	12.05	10.27	11.98
7400	NASDAQ	OSUR	Tue, Aug 3, 2021	11.84	12.41	11.80	12.41
7399	NASDAQ	OSUR	Mon, Aug 2, 2021	11.76	11.88	11.39	11.84
7398	NASDAQ	OSUR	Fri, Jul 30, 2021	11.60	11.94	11.59	11.79
7397	NASDAQ	OSUR	Thu, Jul 29, 2021	11.35	11.82	11.35	11.67
7396	NASDAQ	OSUR	Wed, Jul 28, 2021	10.62	11.34	10.60	11.29
7395	NASDAQ	OSUR	Tue, Jul 27, 2021	10.46	10.60	10.20	10.56
7394	NASDAQ	OSUR	Mon, Jul 26, 2021	11.35	11.38	10.49	10.50
7393	NASDAQ	OSUR	Fri, Jul 23, 2021	11.20	11.46	11.12	11.28
7392	NASDAQ	OSUR	Thu, Jul 22, 2021	10.57	11.26	10.57	11.25
7391	NASDAQ	OSUR	Wed, Jul 21, 2021	10.48	10.62	10.32	10.52
7390	NASDAQ	OSUR	Tue, Jul 20, 2021	10.19	10.52	9.97	10.45
7389	NASDAQ	OSUR	Mon, Jul 19, 2021	9.93	11.10	9.75	10.20
7388	NASDAQ	OSUR	Fri, Jul 16, 2021	10.05	10.25	10.00	10.07
7387	NASDAQ	OSUR	Thu, Jul 15, 2021	9.65	10.06	9.44	9.98
7386	NASDAQ	OSUR	Wed, Jul 14, 2021	10.26	10.39	9.72	9.73
7385	NASDAQ	OSUR	Tue, Jul 13, 2021	10.47	10.66	10.26	10.28
7384	NASDAQ	OSUR	Mon, Jul 12, 2021	10.36	10.53	10.29	10.50
7383	NASDAQ	OSUR	Fri, Jul 9, 2021	10.26	10.39	10.13	10.35
7382	NASDAQ	OSUR	Thu, Jul 8, 2021	9.97	10.24	9.72	10.20
7381	NASDAQ	OSUR	Wed, Jul 7, 2021	10.35	10.44	9.97	10.17
7380	NASDAQ	OSUR	Tue, Jul 6, 2021	10.17	10.42	10.15	10.40
7379	NASDAQ	OSUR	Fri, Jul 2, 2021	10.39	10.39	10.10	10.21
7378	NASDAQ	OSUR	Thu, Jul 1, 2021	10.16	10.39	10.09	10.37
7377	NASDAQ	OSUR	Wed, Jun 30, 2021	10.36	10.37	10.08	10.14
7376	NASDAQ	OSUR	Tue, Jun 29, 2021	10.20	10.37	9.97	10.36
7375	NASDAQ	OSUR	Mon, Jun 28, 2021	9.52	10.15	9.42	10.12
7374	NASDAQ	OSUR	Fri, Jun 25, 2021	9.57	9.62	9.46	9.56
7373	NASDAQ	OSUR	Thu, Jun 24, 2021	9.67	9.86	9.55	9.58
7372	NASDAQ	OSUR	Wed, Jun 23, 2021	9.20	9.64	9.20	9.63
7371	NASDAQ	OSUR	Tue, Jun 22, 2021	9.19	9.21	9.04	9.15
7370	NASDAQ	OSUR	Mon, Jun 21, 2021	9.34	9.41	9.02	9.13
7369	NASDAQ	OSUR	Fri, Jun 18, 2021	9.43	9.54	9.29	9.36
7368	NASDAQ	OSUR	Thu, Jun 17, 2021	9.40	9.60	9.36	9.48
7367	NASDAQ	OSUR	Wed, Jun 16, 2021	9.43	9.54	9.28	9.39
7366	NASDAQ	OSUR	Tue, Jun 15, 2021	9.52	9.56	9.37	9.45
7365	NASDAQ	OSUR	Mon, Jun 14, 2021	9.72	9.73	9.47	9.51
7364	NASDAQ	OSUR	Fri, Jun 11, 2021	9.69	9.72	9.58	9.65
7363	NASDAQ	OSUR	Thu, Jun 10, 2021	9.71	9.75	9.55	9.65
7362	NASDAQ	OSUR	Wed, Jun 9, 2021	10.10	10.10	9.71	9.71
7361	NASDAQ	OSUR	Tue, Jun 8, 2021	9.75	10.15	9.71	10.05
7360	NASDAQ	OSUR	Mon, Jun 7, 2021	9.33	9.87	9.33	9.68
7359	NASDAQ	OSUR	Fri, Jun 4, 2021	9.50	9.53	9.29	9.29
7358	NASDAQ	OSUR	Thu, Jun 3, 2021	9.42	9.55	9.35	9.49
7357	NASDAQ	OSUR	Wed, Jun 2, 2021	9.30	9.59	9.28	9.52
7356	NASDAQ	OSUR	Tue, Jun 1, 2021	9.61	9.65	9.23	9.30
7355	NASDAQ	OSUR	Fri, May 28, 2021	9.77	9.99	9.59	9.61
7354	NASDAQ	OSUR	Thu, May 27, 2021	9.58	9.82	9.52	9.73
7353	NASDAQ	OSUR	Wed, May 26, 2021	9.42	9.70	9.35	9.59
7352	NASDAQ	OSUR	Tue, May 25, 2021	9.62	9.71	9.34	9.34
7351	NASDAQ	OSUR	Mon, May 24, 2021	9.69	9.81	9.52	9.59
7350	NASDAQ	OSUR	Fri, May 21, 2021	9.82	9.93	9.64	9.64
7349	NASDAQ	OSUR	Thu, May 20, 2021	9.63	9.81	9.51	9.74
7348	NASDAQ	OSUR	Wed, May 19, 2021	9.54	9.63	9.44	9.62
7347	NASDAQ	OSUR	Tue, May 18, 2021	9.46	9.77	9.41	9.65
7346	NASDAQ	OSUR	Mon, May 17, 2021	9.50	9.64	9.36	9.44
7345	NASDAQ	OSUR	Fri, May 14, 2021	9.33	9.53	9.33	9.51
7344	NASDAQ	OSUR	Thu, May 13, 2021	9.33	9.47	9.03	9.33
7343	NASDAQ	OSUR	Wed, May 12, 2021	9.45	9.79	9.26	9.28
7342	NASDAQ	OSUR	Tue, May 11, 2021	9.39	9.79	9.31	9.55
7341	NASDAQ	OSUR	Mon, May 10, 2021	9.90	9.96	9.46	9.73
7340	NASDAQ	OSUR	Fri, May 7, 2021	9.63	10.10	9.60	9.86
7339	NASDAQ	OSUR	Thu, May 6, 2021	9.16	9.79	8.58	9.73
7338	NASDAQ	OSUR	Wed, May 5, 2021	9.29	9.41	8.95	9.02
7337	NASDAQ	OSUR	Tue, May 4, 2021	9.32	9.32	9.11	9.27
7336	NASDAQ	OSUR	Mon, May 3, 2021	9.27	9.48	9.05	9.37
7335	NASDAQ	OSUR	Fri, Apr 30, 2021	9.03	9.18	8.95	9.15
7334	NASDAQ	OSUR	Thu, Apr 29, 2021	9.51	9.53	9.06	9.13
7333	NASDAQ	OSUR	Wed, Apr 28, 2021	9.50	9.59	9.45	9.49
7332	NASDAQ	OSUR	Tue, Apr 27, 2021	9.72	9.82	9.53	9.54
7331	NASDAQ	OSUR	Mon, Apr 26, 2021	9.49	9.89	9.33	9.75
7330	NASDAQ	OSUR	Fri, Apr 23, 2021	9.80	9.81	9.37	9.40
7329	NASDAQ	OSUR	Thu, Apr 22, 2021	9.86	9.98	9.61	9.84
7328	NASDAQ	OSUR	Wed, Apr 21, 2021	9.37	9.88	9.36	9.79
7327	NASDAQ	OSUR	Tue, Apr 20, 2021	9.48	9.55	9.26	9.42
7326	NASDAQ	OSUR	Mon, Apr 19, 2021	10.08	10.10	9.48	9.50
7325	NASDAQ	OSUR	Fri, Apr 16, 2021	10.04	10.10	9.70	10.01
7324	NASDAQ	OSUR	Thu, Apr 15, 2021	10.33	10.50	10.00	10.01
7323	NASDAQ	OSUR	Wed, Apr 14, 2021	10.27	10.49	10.18	10.26
7322	NASDAQ	OSUR	Tue, Apr 13, 2021	10.00	10.42	10.00	10.32
7321	NASDAQ	OSUR	Mon, Apr 12, 2021	10.35	10.39	9.94	10.05
7320	NASDAQ	OSUR	Fri, Apr 9, 2021	10.47	10.61	10.35	10.42
7319	NASDAQ	OSUR	Thu, Apr 8, 2021	10.41	10.53	10.20	10.45
7318	NASDAQ	OSUR	Wed, Apr 7, 2021	11.00	11.20	10.39	10.45
7317	NASDAQ	OSUR	Tue, Apr 6, 2021	11.16	11.31	10.95	11.07
7316	NASDAQ	OSUR	Mon, Apr 5, 2021	11.80	11.80	11.17	11.19
7315	NASDAQ	OSUR	Thu, Apr 1, 2021	11.78	11.98	11.62	11.68
7314	NASDAQ	OSUR	Wed, Mar 31, 2021	11.25	11.95	11.25	11.67
7313	NASDAQ	OSUR	Tue, Mar 30, 2021	11.06	11.33	10.62	11.11
7312	NASDAQ	OSUR	Mon, Mar 29, 2021	10.97	11.18	10.75	10.98
7311	NASDAQ	OSUR	Fri, Mar 26, 2021	10.38	11.03	10.38	11.01
7310	NASDAQ	OSUR	Thu, Mar 25, 2021	10.33	10.59	10.16	10.32
7309	NASDAQ	OSUR	Wed, Mar 24, 2021	11.21	11.34	10.57	10.58
7308	NASDAQ	OSUR	Tue, Mar 23, 2021	11.35	11.51	11.15	11.28
7307	NASDAQ	OSUR	Mon, Mar 22, 2021	11.31	11.60	11.14	11.46
7306	NASDAQ	OSUR	Fri, Mar 19, 2021	11.27	11.36	10.90	11.34
7305	NASDAQ	OSUR	Thu, Mar 18, 2021	10.94	11.34	10.80	10.86
7304	NASDAQ	OSUR	Wed, Mar 17, 2021	11.06	11.20	10.76	11.07
7303	NASDAQ	OSUR	Tue, Mar 16, 2021	11.42	11.54	11.06	11.26
7302	NASDAQ	OSUR	Mon, Mar 15, 2021	11.50	11.62	11.21	11.37
7301	NASDAQ	OSUR	Fri, Mar 12, 2021	10.83	11.31	10.50	11.27
7300	NASDAQ	OSUR	Thu, Mar 11, 2021	10.47	10.98	10.32	10.93
7299	NASDAQ	OSUR	Wed, Mar 10, 2021	10.23	10.72	9.50	10.06
7298	NASDAQ	OSUR	Tue, Mar 9, 2021	9.82	10.38	9.82	10.00
7297	NASDAQ	OSUR	Mon, Mar 8, 2021	10.31	10.31	9.53	9.53
7296	NASDAQ	OSUR	Fri, Mar 5, 2021	10.74	10.74	9.97	10.30
7295	NASDAQ	OSUR	Thu, Mar 4, 2021	11.08	11.08	10.52	10.75
7294	NASDAQ	OSUR	Wed, Mar 3, 2021	11.10	11.42	10.81	11.13
7293	NASDAQ	OSUR	Tue, Mar 2, 2021	11.00	11.53	10.50	11.08
7292	NASDAQ	OSUR	Mon, Mar 1, 2021	10.94	11.18	10.77	11.06
7291	NASDAQ	OSUR	Fri, Feb 26, 2021	10.57	10.79	10.25	10.60
7290	NASDAQ	OSUR	Thu, Feb 25, 2021	10.96	11.04	10.54	10.69
7289	NASDAQ	OSUR	Wed, Feb 24, 2021	10.80	11.06	10.50	10.85
7288	NASDAQ	OSUR	Tue, Feb 23, 2021	10.70	10.95	10.11	10.32
7287	NASDAQ	OSUR	Mon, Feb 22, 2021	11.60	11.61	10.73	10.83
7286	NASDAQ	OSUR	Fri, Feb 19, 2021	12.43	12.62	11.05	11.43
7285	NASDAQ	OSUR	Thu, Feb 18, 2021	13.08	13.08	12.53	12.83
7284	NASDAQ	OSUR	Wed, Feb 17, 2021	13.60	13.60	12.80	13.16
7283	NASDAQ	OSUR	Tue, Feb 16, 2021	14.23	14.46	13.30	13.60
7282	NASDAQ	OSUR	Fri, Feb 12, 2021	13.90	14.34	13.57	14.16
7281	NASDAQ	OSUR	Thu, Feb 11, 2021	14.16	14.51	13.73	13.80
7280	NASDAQ	OSUR	Wed, Feb 10, 2021	14.64	14.75	13.94	14.16
7279	NASDAQ	OSUR	Tue, Feb 9, 2021	14.19	14.50	14.14	14.44
7278	NASDAQ	OSUR	Mon, Feb 8, 2021	14.76	15.05	14.29	14.31
7277	NASDAQ	OSUR	Fri, Feb 5, 2021	13.95	14.71	13.78	14.56
7276	NASDAQ	OSUR	Thu, Feb 4, 2021	14.23	14.32	13.75	14.09
7275	NASDAQ	OSUR	Wed, Feb 3, 2021	14.53	14.62	14.02	14.32
7274	NASDAQ	OSUR	Tue, Feb 2, 2021	15.36	15.72	14.30	14.54
7273	NASDAQ	OSUR	Mon, Feb 1, 2021	15.38	15.94	15.17	15.42
7272	NASDAQ	OSUR	Fri, Jan 29, 2021	14.55	15.68	14.50	15.23
7271	NASDAQ	OSUR	Thu, Jan 28, 2021	13.96	14.83	13.78	14.56
7270	NASDAQ	OSUR	Wed, Jan 27, 2021	13.91	14.34	13.56	13.89
7269	NASDAQ	OSUR	Tue, Jan 26, 2021	14.68	14.70	13.95	14.16
7268	NASDAQ	OSUR	Mon, Jan 25, 2021	13.84	14.50	13.81	14.38
7267	NASDAQ	OSUR	Fri, Jan 22, 2021	13.38	13.93	13.33	13.87
7266	NASDAQ	OSUR	Thu, Jan 21, 2021	13.54	13.92	13.24	13.54
7265	NASDAQ	OSUR	Wed, Jan 20, 2021	13.68	13.80	13.01	13.33
7264	NASDAQ	OSUR	Tue, Jan 19, 2021	13.02	13.73	12.81	13.66
7263	NASDAQ	OSUR	Fri, Jan 15, 2021	12.90	13.25	12.72	12.92
7262	NASDAQ	OSUR	Thu, Jan 14, 2021	12.70	13.44	12.51	12.86
7261	NASDAQ	OSUR	Wed, Jan 13, 2021	12.60	12.91	12.39	12.58
7260	NASDAQ	OSUR	Tue, Jan 12, 2021	12.42	12.58	12.26	12.56
7259	NASDAQ	OSUR	Mon, Jan 11, 2021	11.66	12.38	11.54	12.30
7258	NASDAQ	OSUR	Fri, Jan 8, 2021	11.93	12.03	11.42	11.90
7257	NASDAQ	OSUR	Thu, Jan 7, 2021	11.79	12.38	11.68	11.92
7256	NASDAQ	OSUR	Wed, Jan 6, 2021	11.89	12.12	11.52	11.78
7255	NASDAQ	OSUR	Tue, Jan 5, 2021	11.05	12.10	11.05	11.95
7254	NASDAQ	OSUR	Mon, Jan 4, 2021	10.73	11.23	10.42	11.21
7253	NASDAQ	OSUR	Thu, Dec 31, 2020	10.66	10.75	10.42	10.59
7252	NASDAQ	OSUR	Wed, Dec 30, 2020	10.31	10.71	10.25	10.68
7251	NASDAQ	OSUR	Tue, Dec 29, 2020	10.82	10.85	10.23	10.35
7250	NASDAQ	OSUR	Mon, Dec 28, 2020	11.66	11.71	10.71	10.78
7249	NASDAQ	OSUR	Thu, Dec 24, 2020	11.69	11.80	11.41	11.60
7248	NASDAQ	OSUR	Wed, Dec 23, 2020	12.53	12.58	11.56	11.65
7247	NASDAQ	OSUR	Tue, Dec 22, 2020	11.75	11.88	11.43	11.77
7246	NASDAQ	OSUR	Mon, Dec 21, 2020	11.06	11.75	10.96	11.71
7245	NASDAQ	OSUR	Fri, Dec 18, 2020	11.68	11.68	10.96	11.10
7244	NASDAQ	OSUR	Thu, Dec 17, 2020	11.35	11.67	11.06	11.59
7243	NASDAQ	OSUR	Wed, Dec 16, 2020	12.11	12.20	11.38	11.40
7242	NASDAQ	OSUR	Tue, Dec 15, 2020	12.65	12.79	12.07	12.28
7241	NASDAQ	OSUR	Mon, Dec 14, 2020	12.92	13.30	12.57	12.61
7240	NASDAQ	OSUR	Fri, Dec 11, 2020	12.95	13.09	12.58	12.84
7239	NASDAQ	OSUR	Thu, Dec 10, 2020	12.63	13.11	12.50	12.99
7238	NASDAQ	OSUR	Wed, Dec 9, 2020	13.42	13.68	12.15	12.65
7237	NASDAQ	OSUR	Tue, Dec 8, 2020	13.10	13.51	12.78	13.50
7236	NASDAQ	OSUR	Mon, Dec 7, 2020	13.26	13.77	12.70	12.75
7235	NASDAQ	OSUR	Fri, Dec 4, 2020	12.08	12.15	11.63	11.89
7234	NASDAQ	OSUR	Thu, Dec 3, 2020	12.39	12.53	11.81	12.08
7233	NASDAQ	OSUR	Wed, Dec 2, 2020	12.35	12.54	12.04	12.49
7232	NASDAQ	OSUR	Tue, Dec 1, 2020	12.27	12.47	12.07	12.32
7231	NASDAQ	OSUR	Mon, Nov 30, 2020	11.71	12.04	11.65	12.00
7230	NASDAQ	OSUR	Fri, Nov 27, 2020	11.37	11.78	11.27	11.65
7229	NASDAQ	OSUR	Wed, Nov 25, 2020	11.05	11.30	10.78	11.24
7228	NASDAQ	OSUR	Tue, Nov 24, 2020	11.65	11.66	11.01	11.10
7227	NASDAQ	OSUR	Mon, Nov 23, 2020	12.20	12.35	11.54	11.66
7226	NASDAQ	OSUR	Fri, Nov 20, 2020	11.85	12.36	11.78	12.09
7225	NASDAQ	OSUR	Thu, Nov 19, 2020	12.20	12.34	11.72	11.92
7224	NASDAQ	OSUR	Wed, Nov 18, 2020	12.66	12.75	12.09	12.15
7223	NASDAQ	OSUR	Tue, Nov 17, 2020	13.00	13.05	12.51	12.64
7222	NASDAQ	OSUR	Mon, Nov 16, 2020	12.99	13.20	12.78	12.99
7221	NASDAQ	OSUR	Fri, Nov 13, 2020	13.69	13.89	13.00	13.05
7220	NASDAQ	OSUR	Thu, Nov 12, 2020	13.81	13.98	13.24	13.43
7219	NASDAQ	OSUR	Wed, Nov 11, 2020	12.81	13.43	12.64	13.41
7218	NASDAQ	OSUR	Tue, Nov 10, 2020	12.88	13.00	12.06	12.82
7217	NASDAQ	OSUR	Mon, Nov 9, 2020	12.53	12.95	11.12	12.68
7216	NASDAQ	OSUR	Fri, Nov 6, 2020	12.77	13.47	12.37	13.31
7215	NASDAQ	OSUR	Thu, Nov 5, 2020	14.84	15.00	12.36	12.64
7214	NASDAQ	OSUR	Wed, Nov 4, 2020	15.00	15.25	14.47	14.78
7213	NASDAQ	OSUR	Tue, Nov 3, 2020	15.38	15.50	14.75	14.98
7212	NASDAQ	OSUR	Mon, Nov 2, 2020	15.00	15.18	14.51	14.89
7211	NASDAQ	OSUR	Fri, Oct 30, 2020	15.65	15.83	14.73	14.94
7210	NASDAQ	OSUR	Thu, Oct 29, 2020	15.33	15.85	15.13	15.69
7209	NASDAQ	OSUR	Wed, Oct 28, 2020	15.89	15.94	15.09	15.30
7208	NASDAQ	OSUR	Tue, Oct 27, 2020	15.58	16.17	15.24	15.61
7207	NASDAQ	OSUR	Mon, Oct 26, 2020	14.83	16.73	14.79	15.92
7206	NASDAQ	OSUR	Fri, Oct 23, 2020	14.77	15.00	14.60	14.91
7205	NASDAQ	OSUR	Thu, Oct 22, 2020	13.94	14.88	13.75	14.77
7204	NASDAQ	OSUR	Wed, Oct 21, 2020	15.10	15.15	13.94	13.94
7203	NASDAQ	OSUR	Tue, Oct 20, 2020	15.84	15.95	14.56	14.77
7202	NASDAQ	OSUR	Mon, Oct 19, 2020	16.07	17.79	15.36	15.94
7201	NASDAQ	OSUR	Fri, Oct 16, 2020	14.37	14.65	13.74	13.81
7200	NASDAQ	OSUR	Thu, Oct 15, 2020	14.12	14.77	14.00	14.44
7199	NASDAQ	OSUR	Wed, Oct 14, 2020	15.34	15.48	14.23	14.30
7198	NASDAQ	OSUR	Tue, Oct 13, 2020	15.27	15.47	15.00	15.25
7197	NASDAQ	OSUR	Mon, Oct 12, 2020	15.40	15.45	15.00	15.21
7196	NASDAQ	OSUR	Fri, Oct 9, 2020	14.99	15.38	14.81	15.38
7195	NASDAQ	OSUR	Thu, Oct 8, 2020	14.61	14.89	14.39	14.80
7194	NASDAQ	OSUR	Wed, Oct 7, 2020	14.39	14.72	14.24	14.48
7193	NASDAQ	OSUR	Tue, Oct 6, 2020	14.34	14.50	13.94	14.13
7192	NASDAQ	OSUR	Mon, Oct 5, 2020	13.19	14.34	12.98	13.83
7191	NASDAQ	OSUR	Fri, Oct 2, 2020	12.25	12.85	12.11	12.80
7190	NASDAQ	OSUR	Thu, Oct 1, 2020	12.28	12.59	12.01	12.38
7189	NASDAQ	OSUR	Wed, Sep 30, 2020	12.25	12.40	11.95	12.17
7188	NASDAQ	OSUR	Tue, Sep 29, 2020	11.55	12.47	11.54	12.33
7187	NASDAQ	OSUR	Mon, Sep 28, 2020	11.28	11.71	11.25	11.45
7186	NASDAQ	OSUR	Fri, Sep 25, 2020	10.56	11.33	10.45	11.24
7185	NASDAQ	OSUR	Thu, Sep 24, 2020	11.90	11.90	10.61	10.65
7184	NASDAQ	OSUR	Wed, Sep 23, 2020	11.86	12.11	11.55	11.61
7183	NASDAQ	OSUR	Tue, Sep 22, 2020	12.69	12.69	11.88	11.92
7182	NASDAQ	OSUR	Mon, Sep 21, 2020	12.04	12.71	11.96	12.65
7181	NASDAQ	OSUR	Fri, Sep 18, 2020	11.80	12.69	11.62	12.58
7180	NASDAQ	OSUR	Thu, Sep 17, 2020	11.02	11.66	10.89	11.65
7179	NASDAQ	OSUR	Wed, Sep 16, 2020	10.96	11.52	10.86	11.14
7178	NASDAQ	OSUR	Tue, Sep 15, 2020	11.36	11.65	10.89	10.99
7177	NASDAQ	OSUR	Mon, Sep 14, 2020	11.20	11.42	10.81	11.20
7176	NASDAQ	OSUR	Fri, Sep 11, 2020	10.86	11.98	10.66	11.31
7175	NASDAQ	OSUR	Thu, Sep 10, 2020	10.72	10.91	10.32	10.49
7174	NASDAQ	OSUR	Wed, Sep 9, 2020	10.50	10.78	10.13	10.63
7173	NASDAQ	OSUR	Tue, Sep 8, 2020	9.90	10.82	9.71	10.43
7172	NASDAQ	OSUR	Fri, Sep 4, 2020	10.93	11.14	9.58	10.24
7171	NASDAQ	OSUR	Thu, Sep 3, 2020	11.23	11.29	10.61	10.73
7170	NASDAQ	OSUR	Wed, Sep 2, 2020	10.94	11.47	10.64	11.35
7169	NASDAQ	OSUR	Tue, Sep 1, 2020	11.67	11.89	10.76	10.95
7168	NASDAQ	OSUR	Mon, Aug 31, 2020	11.74	11.91	11.30	11.72
7167	NASDAQ	OSUR	Fri, Aug 28, 2020	11.44	12.08	11.14	11.69
7166	NASDAQ	OSUR	Thu, Aug 27, 2020	13.16	13.50	10.51	11.53
7165	NASDAQ	OSUR	Wed, Aug 26, 2020	15.14	15.25	14.23	14.41
7164	NASDAQ	OSUR	Tue, Aug 25, 2020	14.34	15.30	14.05	15.09
7163	NASDAQ	OSUR	Mon, Aug 24, 2020	14.93	15.22	14.28	14.42
7162	NASDAQ	OSUR	Fri, Aug 21, 2020	13.57	14.88	13.47	14.79
7161	NASDAQ	OSUR	Thu, Aug 20, 2020	13.06	13.29	12.92	13.19
7160	NASDAQ	OSUR	Wed, Aug 19, 2020	13.60	13.60	12.82	13.15
7159	NASDAQ	OSUR	Tue, Aug 18, 2020	13.60	13.70	13.22	13.57
7158	NASDAQ	OSUR	Mon, Aug 17, 2020	13.23	13.76	12.86	13.58
7157	NASDAQ	OSUR	Fri, Aug 14, 2020	13.60	13.67	13.01	13.18
7156	NASDAQ	OSUR	Thu, Aug 13, 2020	13.75	13.80	13.18	13.44
7155	NASDAQ	OSUR	Wed, Aug 12, 2020	13.65	14.05	13.22	13.79
7154	NASDAQ	OSUR	Tue, Aug 11, 2020	14.35	14.49	13.35	13.41
7153	NASDAQ	OSUR	Mon, Aug 10, 2020	14.20	15.28	14.05	14.55
7152	NASDAQ	OSUR	Fri, Aug 7, 2020	13.77	14.86	13.31	14.05
7151	NASDAQ	OSUR	Thu, Aug 6, 2020	14.52	14.52	11.66	13.09
7150	NASDAQ	OSUR	Wed, Aug 5, 2020	19.50	19.75	19.26	19.58
7149	NASDAQ	OSUR	Tue, Aug 4, 2020	19.10	19.36	18.51	19.29
7148	NASDAQ	OSUR	Mon, Aug 3, 2020	18.51	19.44	18.33	19.15
7147	NASDAQ	OSUR	Fri, Jul 31, 2020	18.71	19.01	17.98	18.15
7146	NASDAQ	OSUR	Thu, Jul 30, 2020	17.50	19.14	17.45	18.73
7145	NASDAQ	OSUR	Wed, Jul 29, 2020	17.32	17.58	17.16	17.50
7144	NASDAQ	OSUR	Tue, Jul 28, 2020	17.79	17.83	17.20	17.24
7143	NASDAQ	OSUR	Mon, Jul 27, 2020	16.51	17.90	16.51	17.70
7142	NASDAQ	OSUR	Fri, Jul 24, 2020	16.50	16.81	16.13	16.50
7141	NASDAQ	OSUR	Thu, Jul 23, 2020	16.78	17.40	16.57	16.85
7140	NASDAQ	OSUR	Wed, Jul 22, 2020	17.00	17.27	16.77	17.05
7139	NASDAQ	OSUR	Tue, Jul 21, 2020	16.55	17.06	16.41	16.93
7138	NASDAQ	OSUR	Mon, Jul 20, 2020	16.26	16.59	16.01	16.49
7137	NASDAQ	OSUR	Fri, Jul 17, 2020	14.70	16.18	14.70	16.15
7136	NASDAQ	OSUR	Thu, Jul 16, 2020	14.59	14.88	14.40	14.72
7135	NASDAQ	OSUR	Wed, Jul 15, 2020	14.00	14.82	14.00	14.70
7134	NASDAQ	OSUR	Tue, Jul 14, 2020	13.92	14.08	13.29	14.01
7133	NASDAQ	OSUR	Mon, Jul 13, 2020	13.66	14.46	13.42	13.97
7132	NASDAQ	OSUR	Fri, Jul 10, 2020	13.79	13.90	13.19	13.43
7131	NASDAQ	OSUR	Thu, Jul 9, 2020	13.35	13.93	13.31	13.85
7130	NASDAQ	OSUR	Wed, Jul 8, 2020	13.14	13.63	13.00	13.37
7129	NASDAQ	OSUR	Tue, Jul 7, 2020	12.51	13.03	12.35	12.97
7128	NASDAQ	OSUR	Mon, Jul 6, 2020	12.18	12.95	12.16	12.62
7127	NASDAQ	OSUR	Thu, Jul 2, 2020	11.30	12.30	11.23	12.02
7126	NASDAQ	OSUR	Wed, Jul 1, 2020	11.53	11.66	10.65	11.25
7125	NASDAQ	OSUR	Tue, Jun 30, 2020	11.12	11.75	11.03	11.63
7124	NASDAQ	OSUR	Mon, Jun 29, 2020	10.90	11.20	10.75	11.06
7123	NASDAQ	OSUR	Fri, Jun 26, 2020	10.87	11.10	10.62	10.87
7122	NASDAQ	OSUR	Thu, Jun 25, 2020	10.33	10.85	10.31	10.81
7121	NASDAQ	OSUR	Wed, Jun 24, 2020	9.71	10.21	9.46	10.13
7120	NASDAQ	OSUR	Tue, Jun 23, 2020	10.01	10.03	9.46	9.71
7119	NASDAQ	OSUR	Mon, Jun 22, 2020	9.97	9.97	9.49	9.92
7118	NASDAQ	OSUR	Fri, Jun 19, 2020	10.26	10.39	9.91	9.94
7117	NASDAQ	OSUR	Thu, Jun 18, 2020	10.16	10.48	10.04	10.22
7116	NASDAQ	OSUR	Wed, Jun 17, 2020	10.77	10.83	10.15	10.20
7115	NASDAQ	OSUR	Tue, Jun 16, 2020	10.64	10.79	10.42	10.72
7114	NASDAQ	OSUR	Mon, Jun 15, 2020	10.26	10.74	10.24	10.59
7113	NASDAQ	OSUR	Fri, Jun 12, 2020	10.43	10.50	10.06	10.36
7112	NASDAQ	OSUR	Thu, Jun 11, 2020	10.53	10.69	10.14	10.27
7111	NASDAQ	OSUR	Wed, Jun 10, 2020	11.23	11.80	10.53	10.74
7110	NASDAQ	OSUR	Tue, Jun 9, 2020	10.65	10.92	10.44	10.73
7109	NASDAQ	OSUR	Mon, Jun 8, 2020	10.41	10.70	10.26	10.55
7108	NASDAQ	OSUR	Fri, Jun 5, 2020	10.95	10.95	10.29	10.34
7107	NASDAQ	OSUR	Thu, Jun 4, 2020	11.26	11.38	10.77	10.80
7106	NASDAQ	OSUR	Wed, Jun 3, 2020	12.01	12.01	11.07	11.26
7105	NASDAQ	OSUR	Tue, Jun 2, 2020	13.48	13.70	11.75	12.11
7104	NASDAQ	OSUR	Mon, Jun 1, 2020	14.37	14.48	14.03	14.12
7103	NASDAQ	OSUR	Fri, May 29, 2020	13.68	14.61	13.49	14.54
7102	NASDAQ	OSUR	Thu, May 28, 2020	13.72	13.78	13.15	13.51
7101	NASDAQ	OSUR	Wed, May 27, 2020	14.06	14.17	12.82	13.63
7100	NASDAQ	OSUR	Tue, May 26, 2020	15.19	15.19	14.13	14.21
7099	NASDAQ	OSUR	Fri, May 22, 2020	15.60	15.69	14.37	14.87
7098	NASDAQ	OSUR	Thu, May 21, 2020	14.82	14.89	14.27	14.39
7097	NASDAQ	OSUR	Wed, May 20, 2020	14.96	15.19	14.18	14.91
7096	NASDAQ	OSUR	Tue, May 19, 2020	15.42	15.53	14.54	14.88
7095	NASDAQ	OSUR	Mon, May 18, 2020	16.53	16.72	15.21	15.50
7094	NASDAQ	OSUR	Fri, May 15, 2020	15.94	16.44	15.64	16.38
7093	NASDAQ	OSUR	Thu, May 14, 2020	16.29	16.51	15.69	15.95
7092	NASDAQ	OSUR	Wed, May 13, 2020	17.25	17.87	15.93	16.45
7091	NASDAQ	OSUR	Tue, May 12, 2020	18.05	18.20	17.14	17.17
7090	NASDAQ	OSUR	Mon, May 11, 2020	17.78	18.27	17.27	17.87
7089	NASDAQ	OSUR	Fri, May 8, 2020	16.53	17.75	16.35	16.86
7088	NASDAQ	OSUR	Thu, May 7, 2020	16.25	16.59	15.60	16.41
7087	NASDAQ	OSUR	Wed, May 6, 2020	15.65	16.89	15.55	16.26
7086	NASDAQ	OSUR	Tue, May 5, 2020	15.55	16.03	15.14	15.46
7085	NASDAQ	OSUR	Mon, May 4, 2020	15.13	15.81	14.77	15.54
7084	NASDAQ	OSUR	Fri, May 1, 2020	15.73	15.98	14.60	15.04
7083	NASDAQ	OSUR	Thu, Apr 30, 2020	15.36	16.22	15.09	15.94
7082	NASDAQ	OSUR	Wed, Apr 29, 2020	14.95	15.75	14.56	15.43
7081	NASDAQ	OSUR	Tue, Apr 28, 2020	16.00	16.43	14.74	14.80
7080	NASDAQ	OSUR	Mon, Apr 27, 2020	15.50	16.26	15.06	15.79
7079	NASDAQ	OSUR	Fri, Apr 24, 2020	15.90	15.91	14.58	15.37
7078	NASDAQ	OSUR	Thu, Apr 23, 2020	14.85	15.93	14.68	15.45
7077	NASDAQ	OSUR	Wed, Apr 22, 2020	13.61	14.85	13.61	14.71
7076	NASDAQ	OSUR	Tue, Apr 21, 2020	13.64	14.50	13.25	13.44
7075	NASDAQ	OSUR	Mon, Apr 20, 2020	13.12	13.71	12.97	13.68
7074	NASDAQ	OSUR	Fri, Apr 17, 2020	12.87	13.25	12.72	13.20
7073	NASDAQ	OSUR	Thu, Apr 16, 2020	11.64	13.24	11.44	13.11
7072	NASDAQ	OSUR	Wed, Apr 15, 2020	11.71	11.99	11.11	11.61
7071	NASDAQ	OSUR	Tue, Apr 14, 2020	11.80	11.98	10.77	11.62
7070	NASDAQ	OSUR	Mon, Apr 13, 2020	10.83	11.60	10.71	11.57
7069	NASDAQ	OSUR	Thu, Apr 9, 2020	10.92	11.08	10.46	10.82
7068	NASDAQ	OSUR	Wed, Apr 8, 2020	10.50	10.88	10.33	10.72
7067	NASDAQ	OSUR	Tue, Apr 7, 2020	11.17	11.45	10.14	10.64
7066	NASDAQ	OSUR	Mon, Apr 6, 2020	11.35	11.59	10.72	11.11
7065	NASDAQ	OSUR	Fri, Apr 3, 2020	10.36	10.88	10.01	10.31
7064	NASDAQ	OSUR	Thu, Apr 2, 2020	11.00	11.50	10.04	10.48
7063	NASDAQ	OSUR	Wed, Apr 1, 2020	11.50	11.77	10.60	11.58
7062	NASDAQ	OSUR	Tue, Mar 31, 2020	9.66	10.92	9.43	10.76
7061	NASDAQ	OSUR	Mon, Mar 30, 2020	8.25	10.00	8.13	9.83
7060	NASDAQ	OSUR	Fri, Mar 27, 2020	7.84	8.44	7.69	8.13
7059	NASDAQ	OSUR	Thu, Mar 26, 2020	7.19	8.09	7.14	8.09
7058	NASDAQ	OSUR	Wed, Mar 25, 2020	7.34	7.49	6.77	7.14
7057	NASDAQ	OSUR	Tue, Mar 24, 2020	6.91	7.27	6.73	7.27
7056	NASDAQ	OSUR	Mon, Mar 23, 2020	7.15	7.42	6.50	6.72
7055	NASDAQ	OSUR	Fri, Mar 20, 2020	7.49	8.70	6.45	7.13
7054	NASDAQ	OSUR	Thu, Mar 19, 2020	6.85	7.57	6.67	7.21
7053	NASDAQ	OSUR	Wed, Mar 18, 2020	6.17	7.00	6.03	6.79
7052	NASDAQ	OSUR	Tue, Mar 17, 2020	6.99	7.73	6.08	6.29
7051	NASDAQ	OSUR	Mon, Mar 16, 2020	7.80	7.89	6.70	6.86
7050	NASDAQ	OSUR	Fri, Mar 13, 2020	5.73	7.86	5.23	7.54
7049	NASDAQ	OSUR	Thu, Mar 12, 2020	5.72	5.93	5.55	5.57
7048	NASDAQ	OSUR	Wed, Mar 11, 2020	5.85	6.01	5.70	5.90
7047	NASDAQ	OSUR	Tue, Mar 10, 2020	6.03	6.03	5.73	5.94
7046	NASDAQ	OSUR	Mon, Mar 9, 2020	5.67	5.97	5.64	5.91
7045	NASDAQ	OSUR	Fri, Mar 6, 2020	5.93	6.10	5.85	5.92
7044	NASDAQ	OSUR	Thu, Mar 5, 2020	6.06	6.18	5.96	6.05
7043	NASDAQ	OSUR	Wed, Mar 4, 2020	6.07	6.21	5.96	6.19
7042	NASDAQ	OSUR	Tue, Mar 3, 2020	6.14	6.16	5.94	6.00
7041	NASDAQ	OSUR	Mon, Mar 2, 2020	6.07	6.17	5.99	6.15
7040	NASDAQ	OSUR	Fri, Feb 28, 2020	5.93	6.28	5.93	6.03
7039	NASDAQ	OSUR	Thu, Feb 27, 2020	5.93	6.24	5.93	6.00
7038	NASDAQ	OSUR	Wed, Feb 26, 2020	6.11	6.23	5.99	6.06
7037	NASDAQ	OSUR	Tue, Feb 25, 2020	6.14	6.15	5.98	6.05
7036	NASDAQ	OSUR	Mon, Feb 24, 2020	5.94	6.29	5.84	6.17
7035	NASDAQ	OSUR	Fri, Feb 21, 2020	6.17	6.28	6.00	6.09
7034	NASDAQ	OSUR	Thu, Feb 20, 2020	5.94	6.24	5.61	6.13
7033	NASDAQ	OSUR	Wed, Feb 19, 2020	6.57	7.18	6.57	7.12
7032	NASDAQ	OSUR	Tue, Feb 18, 2020	6.81	6.81	6.40	6.57
7031	NASDAQ	OSUR	Fri, Feb 14, 2020	6.74	6.89	6.67	6.84
7030	NASDAQ	OSUR	Thu, Feb 13, 2020	6.70	6.78	6.61	6.72
7029	NASDAQ	OSUR	Wed, Feb 12, 2020	6.84	6.87	6.61	6.72
7028	NASDAQ	OSUR	Tue, Feb 11, 2020	6.71	6.91	6.68	6.81
7027	NASDAQ	OSUR	Mon, Feb 10, 2020	6.59	6.74	6.43	6.68
7026	NASDAQ	OSUR	Fri, Feb 7, 2020	6.79	6.82	6.52	6.60
7025	NASDAQ	OSUR	Thu, Feb 6, 2020	6.94	7.00	6.79	6.84
7024	NASDAQ	OSUR	Wed, Feb 5, 2020	6.99	7.18	6.89	6.90
7023	NASDAQ	OSUR	Tue, Feb 4, 2020	7.20	7.25	7.01	7.03
7022	NASDAQ	OSUR	Mon, Feb 3, 2020	7.11	7.27	7.06	7.12
7021	NASDAQ	OSUR	Fri, Jan 31, 2020	7.26	7.37	6.97	7.05
7020	NASDAQ	OSUR	Thu, Jan 30, 2020	7.36	7.43	7.14	7.31
7019	NASDAQ	OSUR	Wed, Jan 29, 2020	7.66	7.74	7.39	7.46
7018	NASDAQ	OSUR	Tue, Jan 28, 2020	7.86	7.87	7.60	7.65
7017	NASDAQ	OSUR	Mon, Jan 27, 2020	7.76	8.02	7.74	7.81
7016	NASDAQ	OSUR	Fri, Jan 24, 2020	8.27	8.30	7.91	7.94
7015	NASDAQ	OSUR	Thu, Jan 23, 2020	8.14	8.31	8.02	8.24
7014	NASDAQ	OSUR	Wed, Jan 22, 2020	8.17	8.24	8.03	8.17
7013	NASDAQ	OSUR	Tue, Jan 21, 2020	8.21	8.29	8.02	8.13
7012	NASDAQ	OSUR	Fri, Jan 17, 2020	8.42	8.43	8.17	8.22
7011	NASDAQ	OSUR	Thu, Jan 16, 2020	8.00	8.37	7.98	8.35
7010	NASDAQ	OSUR	Wed, Jan 15, 2020	8.07	8.20	7.87	7.90
7009	NASDAQ	OSUR	Tue, Jan 14, 2020	8.06	8.32	8.00	8.07
7008	NASDAQ	OSUR	Mon, Jan 13, 2020	7.92	8.09	7.85	8.08
7007	NASDAQ	OSUR	Fri, Jan 10, 2020	7.87	8.05	7.77	7.96
7006	NASDAQ	OSUR	Thu, Jan 9, 2020	7.90	7.96	7.82	7.85
7005	NASDAQ	OSUR	Wed, Jan 8, 2020	7.91	7.95	7.79	7.89
7004	NASDAQ	OSUR	Tue, Jan 7, 2020	7.95	8.03	7.86	7.89
7003	NASDAQ	OSUR	Mon, Jan 6, 2020	7.77	8.08	7.69	8.00
7002	NASDAQ	OSUR	Fri, Jan 3, 2020	7.77	7.89	7.72	7.80
7001	NASDAQ	OSUR	Thu, Jan 2, 2020	8.10	8.10	7.84	7.89
7000	NASDAQ	OSUR	Tue, Dec 31, 2019	7.78	8.05	7.78	8.03
6999	NASDAQ	OSUR	Mon, Dec 30, 2019	7.93	7.96	7.74	7.81
6998	NASDAQ	OSUR	Fri, Dec 27, 2019	8.04	8.16	7.89	7.92
6997	NASDAQ	OSUR	Thu, Dec 26, 2019	8.31	8.32	7.98	8.01
6996	NASDAQ	OSUR	Tue, Dec 24, 2019	8.41	8.41	8.21	8.29
6995	NASDAQ	OSUR	Mon, Dec 23, 2019	8.48	8.52	8.31	8.39
6994	NASDAQ	OSUR	Fri, Dec 20, 2019	8.43	8.55	8.31	8.45
6993	NASDAQ	OSUR	Thu, Dec 19, 2019	8.50	8.52	8.31	8.41
6992	NASDAQ	OSUR	Wed, Dec 18, 2019	8.31	8.52	8.25	8.50
6991	NASDAQ	OSUR	Tue, Dec 17, 2019	7.99	8.35	7.91	8.28
6990	NASDAQ	OSUR	Mon, Dec 16, 2019	7.98	8.21	7.98	7.99
6989	NASDAQ	OSUR	Fri, Dec 13, 2019	7.98	8.09	7.85	8.05
6988	NASDAQ	OSUR	Thu, Dec 12, 2019	7.84	8.08	7.75	7.96
6987	NASDAQ	OSUR	Wed, Dec 11, 2019	7.86	7.94	7.77	7.85
6986	NASDAQ	OSUR	Tue, Dec 10, 2019	7.89	7.98	7.72	7.86
6985	NASDAQ	OSUR	Mon, Dec 9, 2019	7.91	8.08	7.85	7.89
6984	NASDAQ	OSUR	Fri, Dec 6, 2019	7.76	7.99	7.75	7.97
6983	NASDAQ	OSUR	Thu, Dec 5, 2019	7.72	7.83	7.67	7.74
6982	NASDAQ	OSUR	Wed, Dec 4, 2019	7.81	7.89	7.61	7.71
6981	NASDAQ	OSUR	Tue, Dec 3, 2019	7.94	8.01	7.72	7.74
6980	NASDAQ	OSUR	Mon, Dec 2, 2019	8.12	8.13	7.80	8.01
6979	NASDAQ	OSUR	Fri, Nov 29, 2019	8.20	8.26	8.06	8.10
6978	NASDAQ	OSUR	Wed, Nov 27, 2019	8.14	8.30	8.10	8.23
6977	NASDAQ	OSUR	Tue, Nov 26, 2019	7.89	8.23	7.86	8.09
6976	NASDAQ	OSUR	Mon, Nov 25, 2019	7.86	8.10	7.83	7.88
6975	NASDAQ	OSUR	Fri, Nov 22, 2019	7.91	7.94	7.77	7.83
6974	NASDAQ	OSUR	Thu, Nov 21, 2019	7.88	7.90	7.70	7.86
6973	NASDAQ	OSUR	Wed, Nov 20, 2019	7.62	7.91	7.56	7.87
6972	NASDAQ	OSUR	Tue, Nov 19, 2019	7.89	8.01	7.63	7.65
6971	NASDAQ	OSUR	Mon, Nov 18, 2019	7.99	8.04	7.82	7.84
6970	NASDAQ	OSUR	Fri, Nov 15, 2019	7.90	8.16	7.79	8.00
6969	NASDAQ	OSUR	Thu, Nov 14, 2019	8.15	8.16	7.73	7.85
6968	NASDAQ	OSUR	Wed, Nov 13, 2019	8.15	8.28	8.08	8.13
6967	NASDAQ	OSUR	Tue, Nov 12, 2019	8.24	8.40	8.12	8.21
6966	NASDAQ	OSUR	Mon, Nov 11, 2019	8.55	8.65	8.22	8.28
6965	NASDAQ	OSUR	Fri, Nov 8, 2019	8.57	8.68	8.15	8.57
6964	NASDAQ	OSUR	Thu, Nov 7, 2019	8.91	9.33	8.22	8.61
6963	NASDAQ	OSUR	Wed, Nov 6, 2019	8.87	8.95	8.77	8.88
6962	NASDAQ	OSUR	Tue, Nov 5, 2019	8.89	8.98	8.80	8.89
6961	NASDAQ	OSUR	Mon, Nov 4, 2019	8.90	8.94	8.66	8.82
6960	NASDAQ	OSUR	Fri, Nov 1, 2019	8.61	8.97	8.51	8.77
6959	NASDAQ	OSUR	Thu, Oct 31, 2019	8.56	8.59	8.33	8.54
6958	NASDAQ	OSUR	Wed, Oct 30, 2019	8.55	8.63	8.39	8.56
6957	NASDAQ	OSUR	Tue, Oct 29, 2019	8.25	8.53	8.19	8.51
6956	NASDAQ	OSUR	Mon, Oct 28, 2019	8.21	8.47	8.20	8.31
6955	NASDAQ	OSUR	Fri, Oct 25, 2019	8.11	8.31	8.10	8.24
6954	NASDAQ	OSUR	Thu, Oct 24, 2019	8.42	8.42	8.05	8.13
6953	NASDAQ	OSUR	Wed, Oct 23, 2019	8.28	8.39	8.17	8.38
6952	NASDAQ	OSUR	Tue, Oct 22, 2019	8.18	8.33	8.05	8.29
6951	NASDAQ	OSUR	Mon, Oct 21, 2019	8.50	8.61	8.06	8.18
6950	NASDAQ	OSUR	Fri, Oct 18, 2019	8.43	8.53	8.32	8.48
6949	NASDAQ	OSUR	Thu, Oct 17, 2019	8.34	8.50	8.30	8.48
6948	NASDAQ	OSUR	Wed, Oct 16, 2019	8.27	8.34	8.07	8.29
6947	NASDAQ	OSUR	Tue, Oct 15, 2019	7.85	8.28	7.79	8.26
6946	NASDAQ	OSUR	Mon, Oct 14, 2019	7.65	7.88	7.64	7.80
6945	NASDAQ	OSUR	Fri, Oct 11, 2019	7.60	7.81	7.60	7.70
6944	NASDAQ	OSUR	Thu, Oct 10, 2019	7.58	7.85	7.36	7.47
6943	NASDAQ	OSUR	Wed, Oct 9, 2019	7.54	7.56	7.34	7.54
6942	NASDAQ	OSUR	Tue, Oct 8, 2019	7.73	7.80	7.46	7.48
6941	NASDAQ	OSUR	Mon, Oct 7, 2019	7.59	7.90	7.52	7.80
6940	NASDAQ	OSUR	Fri, Oct 4, 2019	7.47	7.61	7.40	7.60
6939	NASDAQ	OSUR	Thu, Oct 3, 2019	7.20	7.48	7.16	7.47
6938	NASDAQ	OSUR	Wed, Oct 2, 2019	7.27	7.27	7.08	7.21
6937	NASDAQ	OSUR	Tue, Oct 1, 2019	7.49	7.64	7.31	7.33
6936	NASDAQ	OSUR	Mon, Sep 30, 2019	7.35	7.51	7.27	7.47
6935	NASDAQ	OSUR	Fri, Sep 27, 2019	7.60	7.67	7.27	7.35
6934	NASDAQ	OSUR	Thu, Sep 26, 2019	7.58	7.62	7.36	7.60
6933	NASDAQ	OSUR	Wed, Sep 25, 2019	7.52	7.63	7.43	7.58
6932	NASDAQ	OSUR	Tue, Sep 24, 2019	7.63	7.67	7.53	7.54
6931	NASDAQ	OSUR	Mon, Sep 23, 2019	7.58	7.70	7.53	7.63
6930	NASDAQ	OSUR	Fri, Sep 20, 2019	7.52	7.67	7.51	7.64
6929	NASDAQ	OSUR	Thu, Sep 19, 2019	7.53	7.59	7.42	7.49
6928	NASDAQ	OSUR	Wed, Sep 18, 2019	7.54	7.61	7.41	7.50
6927	NASDAQ	OSUR	Tue, Sep 17, 2019	7.53	7.64	7.52	7.56
6926	NASDAQ	OSUR	Mon, Sep 16, 2019	7.54	7.70	7.50	7.60
6925	NASDAQ	OSUR	Fri, Sep 13, 2019	7.66	7.72	7.59	7.59
6924	NASDAQ	OSUR	Thu, Sep 12, 2019	7.51	7.80	7.49	7.60
6923	NASDAQ	OSUR	Wed, Sep 11, 2019	7.38	7.59	7.32	7.53
6922	NASDAQ	OSUR	Tue, Sep 10, 2019	7.01	7.41	6.98	7.33
6921	NASDAQ	OSUR	Mon, Sep 9, 2019	6.81	7.09	6.78	7.03
6920	NASDAQ	OSUR	Fri, Sep 6, 2019	6.83	6.93	6.74	6.77
6919	NASDAQ	OSUR	Thu, Sep 5, 2019	6.65	6.91	6.62	6.80
6918	NASDAQ	OSUR	Wed, Sep 4, 2019	6.65	6.72	6.48	6.57
6917	NASDAQ	OSUR	Tue, Sep 3, 2019	6.52	6.61	6.35	6.57
6916	NASDAQ	OSUR	Fri, Aug 30, 2019	6.81	6.81	6.52	6.60
6915	NASDAQ	OSUR	Thu, Aug 29, 2019	6.83	6.90	6.75	6.76
6914	NASDAQ	OSUR	Wed, Aug 28, 2019	6.61	6.80	6.56	6.75
6913	NASDAQ	OSUR	Tue, Aug 27, 2019	6.93	6.94	6.54	6.63
6912	NASDAQ	OSUR	Mon, Aug 26, 2019	6.87	7.01	6.76	6.89
6911	NASDAQ	OSUR	Fri, Aug 23, 2019	7.09	7.10	6.76	6.80
6910	NASDAQ	OSUR	Thu, Aug 22, 2019	7.36	7.39	7.12	7.12
6909	NASDAQ	OSUR	Wed, Aug 21, 2019	7.36	7.37	7.21	7.34
6908	NASDAQ	OSUR	Tue, Aug 20, 2019	7.28	7.40	7.22	7.30
6907	NASDAQ	OSUR	Mon, Aug 19, 2019	7.29	7.43	7.24	7.27
6906	NASDAQ	OSUR	Fri, Aug 16, 2019	7.20	7.27	7.04	7.22
6905	NASDAQ	OSUR	Thu, Aug 15, 2019	7.21	7.26	7.08	7.14
6904	NASDAQ	OSUR	Wed, Aug 14, 2019	7.32	7.36	7.02	7.19
6903	NASDAQ	OSUR	Tue, Aug 13, 2019	7.42	7.71	7.42	7.57
6902	NASDAQ	OSUR	Mon, Aug 12, 2019	7.49	7.53	7.36	7.41
6901	NASDAQ	OSUR	Fri, Aug 9, 2019	7.84	7.84	7.52	7.53
6900	NASDAQ	OSUR	Thu, Aug 8, 2019	7.69	7.98	7.61	7.86
6899	NASDAQ	OSUR	Wed, Aug 7, 2019	7.84	7.84	7.15	7.68
6898	NASDAQ	OSUR	Tue, Aug 6, 2019	8.01	8.05	7.68	7.83
6897	NASDAQ	OSUR	Mon, Aug 5, 2019	8.11	8.16	7.83	7.94
6896	NASDAQ	OSUR	Fri, Aug 2, 2019	8.28	8.29	8.09	8.25
6895	NASDAQ	OSUR	Thu, Aug 1, 2019	8.32	8.41	8.23	8.32
6894	NASDAQ	OSUR	Wed, Jul 31, 2019	8.45	8.53	8.23	8.35
6893	NASDAQ	OSUR	Tue, Jul 30, 2019	8.44	8.49	8.08	8.40
6892	NASDAQ	OSUR	Mon, Jul 29, 2019	8.61	8.67	8.44	8.55
6891	NASDAQ	OSUR	Fri, Jul 26, 2019	8.46	8.64	8.41	8.62
6890	NASDAQ	OSUR	Thu, Jul 25, 2019	8.74	8.86	8.42	8.46
6889	NASDAQ	OSUR	Wed, Jul 24, 2019	8.58	8.73	8.58	8.73
6888	NASDAQ	OSUR	Tue, Jul 23, 2019	8.39	8.60	8.39	8.59
6887	NASDAQ	OSUR	Mon, Jul 22, 2019	8.58	8.58	8.33	8.38
6886	NASDAQ	OSUR	Fri, Jul 19, 2019	8.42	8.63	8.42	8.54
6885	NASDAQ	OSUR	Thu, Jul 18, 2019	8.45	8.51	8.37	8.46
6884	NASDAQ	OSUR	Wed, Jul 17, 2019	8.49	8.59	8.35	8.42
6883	NASDAQ	OSUR	Tue, Jul 16, 2019	8.55	8.64	8.45	8.49
6882	NASDAQ	OSUR	Mon, Jul 15, 2019	8.58	8.68	8.48	8.55
6881	NASDAQ	OSUR	Fri, Jul 12, 2019	8.80	8.84	8.46	8.58
6880	NASDAQ	OSUR	Thu, Jul 11, 2019	9.22	9.22	8.82	8.90
6879	NASDAQ	OSUR	Wed, Jul 10, 2019	9.17	9.32	9.10	9.18
6878	NASDAQ	OSUR	Tue, Jul 9, 2019	9.01	9.15	8.97	9.14
6877	NASDAQ	OSUR	Mon, Jul 8, 2019	9.10	9.12	9.00	9.08
6876	NASDAQ	OSUR	Fri, Jul 5, 2019	9.10	9.15	8.93	9.13
6875	NASDAQ	OSUR	Wed, Jul 3, 2019	9.15	9.23	9.09	9.13
6874	NASDAQ	OSUR	Tue, Jul 2, 2019	9.46	9.46	9.09	9.13
6873	NASDAQ	OSUR	Mon, Jul 1, 2019	9.38	9.49	9.28	9.46
6872	NASDAQ	OSUR	Fri, Jun 28, 2019	9.20	9.35	9.05	9.28
6871	NASDAQ	OSUR	Thu, Jun 27, 2019	8.61	9.21	8.61	9.19
6870	NASDAQ	OSUR	Wed, Jun 26, 2019	8.76	8.82	8.52	8.57
6869	NASDAQ	OSUR	Tue, Jun 25, 2019	8.67	8.88	8.60	8.76
6868	NASDAQ	OSUR	Mon, Jun 24, 2019	8.88	8.90	8.63	8.67
6867	NASDAQ	OSUR	Fri, Jun 21, 2019	8.82	8.93	8.65	8.89
6866	NASDAQ	OSUR	Thu, Jun 20, 2019	8.90	9.00	8.75	8.84
6865	NASDAQ	OSUR	Wed, Jun 19, 2019	8.76	8.88	8.68	8.84
6864	NASDAQ	OSUR	Tue, Jun 18, 2019	8.63	8.81	8.63	8.71
6863	NASDAQ	OSUR	Mon, Jun 17, 2019	8.54	8.68	8.50	8.61
6862	NASDAQ	OSUR	Fri, Jun 14, 2019	8.70	8.72	8.54	8.54
6861	NASDAQ	OSUR	Thu, Jun 13, 2019	8.52	8.69	8.52	8.68
6860	NASDAQ	OSUR	Wed, Jun 12, 2019	8.43	8.59	8.34	8.51
6859	NASDAQ	OSUR	Tue, Jun 11, 2019	8.69	8.73	8.23	8.42
6858	NASDAQ	OSUR	Mon, Jun 10, 2019	8.56	8.68	8.51	8.61
6857	NASDAQ	OSUR	Fri, Jun 7, 2019	8.42	8.57	8.40	8.51
6856	NASDAQ	OSUR	Thu, Jun 6, 2019	8.51	8.52	8.38	8.41
6855	NASDAQ	OSUR	Wed, Jun 5, 2019	8.59	8.60	8.45	8.53
6854	NASDAQ	OSUR	Tue, Jun 4, 2019	8.50	8.56	8.40	8.55
6853	NASDAQ	OSUR	Mon, Jun 3, 2019	8.30	8.44	8.28	8.41
6852	NASDAQ	OSUR	Fri, May 31, 2019	8.17	8.33	8.02	8.30
6851	NASDAQ	OSUR	Thu, May 30, 2019	8.20	8.33	8.20	8.27
6850	NASDAQ	OSUR	Wed, May 29, 2019	8.10	8.21	8.02	8.18
6849	NASDAQ	OSUR	Tue, May 28, 2019	8.21	8.24	8.01	8.17
6848	NASDAQ	OSUR	Fri, May 24, 2019	8.21	8.32	8.08	8.21
6847	NASDAQ	OSUR	Thu, May 23, 2019	8.28	8.47	8.12	8.17
6846	NASDAQ	OSUR	Wed, May 22, 2019	8.43	8.47	8.17	8.39
6845	NASDAQ	OSUR	Tue, May 21, 2019	8.47	8.60	8.36	8.47
6844	NASDAQ	OSUR	Mon, May 20, 2019	8.47	8.61	8.35	8.44
6843	NASDAQ	OSUR	Fri, May 17, 2019	8.86	8.93	8.48	8.53
6842	NASDAQ	OSUR	Thu, May 16, 2019	8.83	9.07	8.82	8.96
6841	NASDAQ	OSUR	Wed, May 15, 2019	9.02	9.21	8.80	8.87
6840	NASDAQ	OSUR	Tue, May 14, 2019	8.54	8.79	8.47	8.74
6839	NASDAQ	OSUR	Mon, May 13, 2019	8.99	9.06	8.50	8.52
6838	NASDAQ	OSUR	Fri, May 10, 2019	8.91	9.23	8.50	9.15
6837	NASDAQ	OSUR	Thu, May 9, 2019	8.64	9.32	8.27	8.97
6836	NASDAQ	OSUR	Wed, May 8, 2019	9.73	9.93	9.66	9.75
6835	NASDAQ	OSUR	Tue, May 7, 2019	9.91	10.02	9.66	9.75
6834	NASDAQ	OSUR	Mon, May 6, 2019	9.81	10.07	9.70	10.00
6833	NASDAQ	OSUR	Fri, May 3, 2019	9.79	9.97	9.76	9.97
6832	NASDAQ	OSUR	Thu, May 2, 2019	9.58	9.92	9.57	9.70
6831	NASDAQ	OSUR	Wed, May 1, 2019	9.49	9.74	9.36	9.64
6830	NASDAQ	OSUR	Tue, Apr 30, 2019	9.34	9.65	9.33	9.46
6829	NASDAQ	OSUR	Mon, Apr 29, 2019	8.96	9.40	8.75	9.32
6828	NASDAQ	OSUR	Fri, Apr 26, 2019	9.51	9.62	8.88	8.94
6827	NASDAQ	OSUR	Thu, Apr 25, 2019	9.60	9.69	9.44	9.53
6826	NASDAQ	OSUR	Wed, Apr 24, 2019	9.48	9.81	9.44	9.60
6825	NASDAQ	OSUR	Tue, Apr 23, 2019	9.42	9.64	9.34	9.50
6824	NASDAQ	OSUR	Mon, Apr 22, 2019	9.56	9.71	9.38	9.42
6823	NASDAQ	OSUR	Thu, Apr 18, 2019	9.52	9.64	9.46	9.57
6822	NASDAQ	OSUR	Wed, Apr 17, 2019	9.89	9.89	9.52	9.55
6821	NASDAQ	OSUR	Tue, Apr 16, 2019	10.09	10.20	9.82	9.90
6820	NASDAQ	OSUR	Mon, Apr 15, 2019	10.13	10.25	9.93	10.08
6819	NASDAQ	OSUR	Fri, Apr 12, 2019	10.30	10.42	10.11	10.13
6818	NASDAQ	OSUR	Thu, Apr 11, 2019	10.42	10.45	10.20	10.24
6817	NASDAQ	OSUR	Wed, Apr 10, 2019	10.54	10.62	10.36	10.41
6816	NASDAQ	OSUR	Tue, Apr 9, 2019	10.82	10.92	10.55	10.55
6815	NASDAQ	OSUR	Mon, Apr 8, 2019	10.76	10.88	10.58	10.87
6814	NASDAQ	OSUR	Fri, Apr 5, 2019	10.69	10.87	10.67	10.76
6813	NASDAQ	OSUR	Thu, Apr 4, 2019	10.78	10.89	10.64	10.68
6812	NASDAQ	OSUR	Wed, Apr 3, 2019	10.91	10.97	10.68	10.77
6811	NASDAQ	OSUR	Tue, Apr 2, 2019	11.03	11.05	10.76	10.81
6810	NASDAQ	OSUR	Mon, Apr 1, 2019	11.20	11.25	10.94	11.07
6809	NASDAQ	OSUR	Fri, Mar 29, 2019	11.21	11.31	11.09	11.15
6808	NASDAQ	OSUR	Thu, Mar 28, 2019	11.02	11.16	10.91	11.14
6807	NASDAQ	OSUR	Wed, Mar 27, 2019	11.00	11.09	10.85	11.02
6806	NASDAQ	OSUR	Tue, Mar 26, 2019	10.97	11.12	10.91	11.02
6805	NASDAQ	OSUR	Mon, Mar 25, 2019	10.78	10.99	10.64	10.88
6804	NASDAQ	OSUR	Fri, Mar 22, 2019	11.49	11.55	10.77	10.77
6803	NASDAQ	OSUR	Thu, Mar 21, 2019	11.41	11.71	11.37	11.56
6802	NASDAQ	OSUR	Wed, Mar 20, 2019	11.60	11.64	11.41	11.43
6801	NASDAQ	OSUR	Tue, Mar 19, 2019	11.72	11.78	11.51	11.56
6800	NASDAQ	OSUR	Mon, Mar 18, 2019	11.71	11.87	11.53	11.66
6799	NASDAQ	OSUR	Fri, Mar 15, 2019	11.37	11.71	11.35	11.70
6798	NASDAQ	OSUR	Thu, Mar 14, 2019	11.36	11.45	11.24	11.33
6797	NASDAQ	OSUR	Wed, Mar 13, 2019	11.27	11.41	11.17	11.38
6796	NASDAQ	OSUR	Tue, Mar 12, 2019	11.22	11.40	11.16	11.26
6795	NASDAQ	OSUR	Mon, Mar 11, 2019	11.06	11.25	10.92	11.20
6794	NASDAQ	OSUR	Fri, Mar 8, 2019	10.99	11.12	10.88	11.01
6793	NASDAQ	OSUR	Thu, Mar 7, 2019	11.03	11.28	11.01	11.01
6792	NASDAQ	OSUR	Wed, Mar 6, 2019	11.19	11.19	10.94	11.04
6791	NASDAQ	OSUR	Tue, Mar 5, 2019	11.44	11.44	11.13	11.15
6790	NASDAQ	OSUR	Mon, Mar 4, 2019	11.14	11.50	11.12	11.46
6789	NASDAQ	OSUR	Fri, Mar 1, 2019	10.80	11.14	10.76	11.12
6788	NASDAQ	OSUR	Thu, Feb 28, 2019	10.87	10.88	10.54	10.75
6787	NASDAQ	OSUR	Wed, Feb 27, 2019	10.93	11.02	10.80	10.87
6786	NASDAQ	OSUR	Tue, Feb 26, 2019	11.36	11.43	10.96	10.97
6785	NASDAQ	OSUR	Mon, Feb 25, 2019	11.66	11.71	11.28	11.37
6784	NASDAQ	OSUR	Fri, Feb 22, 2019	11.47	11.63	11.47	11.60
6783	NASDAQ	OSUR	Thu, Feb 21, 2019	11.73	11.75	11.42	11.51
6782	NASDAQ	OSUR	Wed, Feb 20, 2019	11.52	11.79	11.45	11.75
6781	NASDAQ	OSUR	Tue, Feb 19, 2019	11.43	11.57	11.26	11.53
6780	NASDAQ	OSUR	Fri, Feb 15, 2019	11.62	11.69	11.42	11.48
6779	NASDAQ	OSUR	Thu, Feb 14, 2019	11.40	11.55	11.25	11.54
6778	NASDAQ	OSUR	Wed, Feb 13, 2019	10.75	11.72	10.73	11.40
6777	NASDAQ	OSUR	Tue, Feb 12, 2019	10.63	10.94	10.62	10.73
6776	NASDAQ	OSUR	Mon, Feb 11, 2019	10.68	11.18	10.30	10.56
6775	NASDAQ	OSUR	Fri, Feb 8, 2019	9.72	11.40	9.72	10.85
6774	NASDAQ	OSUR	Thu, Feb 7, 2019	9.73	10.30	9.15	9.63
6773	NASDAQ	OSUR	Wed, Feb 6, 2019	12.90	13.04	12.76	12.81
6772	NASDAQ	OSUR	Tue, Feb 5, 2019	13.01	13.09	12.81	12.93
6771	NASDAQ	OSUR	Mon, Feb 4, 2019	13.11	13.25	12.93	13.00
6770	NASDAQ	OSUR	Fri, Feb 1, 2019	12.86	13.18	12.79	13.09
6769	NASDAQ	OSUR	Thu, Jan 31, 2019	12.64	12.94	12.62	12.85
6768	NASDAQ	OSUR	Wed, Jan 30, 2019	12.39	12.76	12.31	12.62
6767	NASDAQ	OSUR	Tue, Jan 29, 2019	12.40	12.54	12.32	12.35
6766	NASDAQ	OSUR	Mon, Jan 28, 2019	12.38	12.47	12.15	12.40
6765	NASDAQ	OSUR	Fri, Jan 25, 2019	12.08	12.52	12.01	12.43
6764	NASDAQ	OSUR	Thu, Jan 24, 2019	12.03	12.11	11.95	12.01
6763	NASDAQ	OSUR	Wed, Jan 23, 2019	12.10	12.23	11.99	12.03
6762	NASDAQ	OSUR	Tue, Jan 22, 2019	12.10	12.28	11.94	12.06
6761	NASDAQ	OSUR	Fri, Jan 18, 2019	12.10	12.46	12.01	12.19
6760	NASDAQ	OSUR	Thu, Jan 17, 2019	11.54	12.11	11.54	12.08
6759	NASDAQ	OSUR	Wed, Jan 16, 2019	11.59	11.95	11.55	11.58
6758	NASDAQ	OSUR	Tue, Jan 15, 2019	11.88	11.93	11.21	11.60
6757	NASDAQ	OSUR	Mon, Jan 14, 2019	12.08	12.22	11.91	11.93
6756	NASDAQ	OSUR	Fri, Jan 11, 2019	11.80	12.29	11.76	12.17
6755	NASDAQ	OSUR	Thu, Jan 10, 2019	11.73	11.99	11.69	11.90
6754	NASDAQ	OSUR	Wed, Jan 9, 2019	11.82	12.06	11.72	11.79
6753	NASDAQ	OSUR	Tue, Jan 8, 2019	12.01	12.10	11.42	11.74
6752	NASDAQ	OSUR	Mon, Jan 7, 2019	11.84	12.18	11.71	12.00
6751	NASDAQ	OSUR	Fri, Jan 4, 2019	11.53	11.88	11.30	11.85
6750	NASDAQ	OSUR	Thu, Jan 3, 2019	11.61	11.76	11.27	11.40
6749	NASDAQ	OSUR	Wed, Jan 2, 2019	11.54	11.87	11.44	11.67
6748	NASDAQ	OSUR	Mon, Dec 31, 2018	11.44	11.77	11.17	11.68
6747	NASDAQ	OSUR	Fri, Dec 28, 2018	11.38	11.65	11.31	11.39
6746	NASDAQ	OSUR	Thu, Dec 27, 2018	11.08	11.34	10.93	11.32
6745	NASDAQ	OSUR	Wed, Dec 26, 2018	10.66	11.24	10.50	11.14
6744	NASDAQ	OSUR	Mon, Dec 24, 2018	10.55	10.86	10.43	10.61
6743	NASDAQ	OSUR	Fri, Dec 21, 2018	10.99	11.06	10.27	10.53
6742	NASDAQ	OSUR	Thu, Dec 20, 2018	11.14	11.26	10.87	10.95
6741	NASDAQ	OSUR	Wed, Dec 19, 2018	11.33	11.58	11.02	11.13
6740	NASDAQ	OSUR	Tue, Dec 18, 2018	11.62	11.68	11.17	11.35
6739	NASDAQ	OSUR	Mon, Dec 17, 2018	11.40	11.90	11.21	11.51
6738	NASDAQ	OSUR	Fri, Dec 14, 2018	11.79	11.88	11.32	11.45
6737	NASDAQ	OSUR	Thu, Dec 13, 2018	12.19	12.37	11.84	11.87
6736	NASDAQ	OSUR	Wed, Dec 12, 2018	12.09	12.40	12.04	12.20
6735	NASDAQ	OSUR	Tue, Dec 11, 2018	12.38	12.48	11.82	11.96
6734	NASDAQ	OSUR	Mon, Dec 10, 2018	12.27	12.42	11.96	12.31
6733	NASDAQ	OSUR	Fri, Dec 7, 2018	12.74	12.74	12.22	12.28
6732	NASDAQ	OSUR	Thu, Dec 6, 2018	12.49	12.68	12.37	12.63
6731	NASDAQ	OSUR	Tue, Dec 4, 2018	12.89	12.99	12.39	12.64
6730	NASDAQ	OSUR	Mon, Dec 3, 2018	12.80	12.95	12.58	12.83
6729	NASDAQ	OSUR	Fri, Nov 30, 2018	13.16	13.21	12.54	12.70
6728	NASDAQ	OSUR	Thu, Nov 29, 2018	13.19	13.58	13.03	13.21
6727	NASDAQ	OSUR	Wed, Nov 28, 2018	12.73	13.28	12.55	13.25
6726	NASDAQ	OSUR	Tue, Nov 27, 2018	12.68	13.25	12.50	12.73
6725	NASDAQ	OSUR	Mon, Nov 26, 2018	13.37	13.64	12.67	12.67
6724	NASDAQ	OSUR	Fri, Nov 23, 2018	13.17	13.42	13.08	13.26
6723	NASDAQ	OSUR	Wed, Nov 21, 2018	12.86	13.88	12.62	13.29
6722	NASDAQ	OSUR	Tue, Nov 20, 2018	12.40	12.86	12.27	12.79
6721	NASDAQ	OSUR	Mon, Nov 19, 2018	12.65	12.74	12.38	12.43
6720	NASDAQ	OSUR	Fri, Nov 16, 2018	13.02	13.04	12.59	12.61
6719	NASDAQ	OSUR	Thu, Nov 15, 2018	12.51	13.12	12.43	13.10
6718	NASDAQ	OSUR	Wed, Nov 14, 2018	13.06	13.25	12.36	12.58
6717	NASDAQ	OSUR	Tue, Nov 13, 2018	13.46	13.58	12.91	12.95
6716	NASDAQ	OSUR	Mon, Nov 12, 2018	12.90	13.69	12.75	13.49
6715	NASDAQ	OSUR	Fri, Nov 9, 2018	13.13	14.14	12.93	13.01
6714	NASDAQ	OSUR	Thu, Nov 8, 2018	13.85	13.88	12.50	13.20
6713	NASDAQ	OSUR	Wed, Nov 7, 2018	14.46	14.82	14.31	14.72
6712	NASDAQ	OSUR	Tue, Nov 6, 2018	14.60	14.80	14.35	14.45
6711	NASDAQ	OSUR	Mon, Nov 5, 2018	14.24	14.89	14.17	14.65
6710	NASDAQ	OSUR	Fri, Nov 2, 2018	14.07	14.70	14.07	14.20
6709	NASDAQ	OSUR	Thu, Nov 1, 2018	13.98	14.34	13.80	14.00
6708	NASDAQ	OSUR	Wed, Oct 31, 2018	14.01	14.12	13.88	13.90
6707	NASDAQ	OSUR	Tue, Oct 30, 2018	13.62	14.03	13.58	13.91
6706	NASDAQ	OSUR	Mon, Oct 29, 2018	13.82	14.11	13.45	13.59
6705	NASDAQ	OSUR	Fri, Oct 26, 2018	14.40	14.40	13.66	13.68
6704	NASDAQ	OSUR	Thu, Oct 25, 2018	14.83	14.93	14.53	14.56
6703	NASDAQ	OSUR	Wed, Oct 24, 2018	14.95	15.08	14.60	14.71
6702	NASDAQ	OSUR	Tue, Oct 23, 2018	14.68	15.11	14.49	15.01
6701	NASDAQ	OSUR	Mon, Oct 22, 2018	14.78	14.98	14.64	14.86
6700	NASDAQ	OSUR	Fri, Oct 19, 2018	14.78	14.95	14.68	14.77
6699	NASDAQ	OSUR	Thu, Oct 18, 2018	14.54	14.85	14.38	14.81
6698	NASDAQ	OSUR	Wed, Oct 17, 2018	14.60	14.65	14.41	14.55
6697	NASDAQ	OSUR	Tue, Oct 16, 2018	14.19	14.69	14.18	14.62
6696	NASDAQ	OSUR	Mon, Oct 15, 2018	14.23	14.29	13.96	14.10
6695	NASDAQ	OSUR	Fri, Oct 12, 2018	14.41	14.67	14.10	14.24
6694	NASDAQ	OSUR	Thu, Oct 11, 2018	14.53	14.79	14.16	14.21
6693	NASDAQ	OSUR	Wed, Oct 10, 2018	14.92	15.09	14.59	14.62
6692	NASDAQ	OSUR	Tue, Oct 9, 2018	14.82	15.11	14.60	14.90
6691	NASDAQ	OSUR	Mon, Oct 8, 2018	15.27	15.37	14.81	14.85
6690	NASDAQ	OSUR	Fri, Oct 5, 2018	15.38	15.49	15.23	15.34
6689	NASDAQ	OSUR	Thu, Oct 4, 2018	15.55	15.55	15.26	15.34
6688	NASDAQ	OSUR	Wed, Oct 3, 2018	15.41	15.64	15.12	15.54
6687	NASDAQ	OSUR	Tue, Oct 2, 2018	15.00	15.43	14.58	15.37
6686	NASDAQ	OSUR	Mon, Oct 1, 2018	15.48	15.49	14.97	15.01
6685	NASDAQ	OSUR	Fri, Sep 28, 2018	15.55	15.58	15.31	15.45
6684	NASDAQ	OSUR	Thu, Sep 27, 2018	15.60	15.75	15.51	15.58
6683	NASDAQ	OSUR	Wed, Sep 26, 2018	15.52	15.78	15.42	15.58
6682	NASDAQ	OSUR	Tue, Sep 25, 2018	15.25	15.66	15.22	15.47
6681	NASDAQ	OSUR	Mon, Sep 24, 2018	15.29	15.46	15.00	15.25
6680	NASDAQ	OSUR	Fri, Sep 21, 2018	15.56	15.58	15.27	15.33
6679	NASDAQ	OSUR	Thu, Sep 20, 2018	15.61	15.75	15.29	15.46
6678	NASDAQ	OSUR	Wed, Sep 19, 2018	15.44	15.68	15.40	15.52
6677	NASDAQ	OSUR	Tue, Sep 18, 2018	15.41	15.53	15.30	15.47
6676	NASDAQ	OSUR	Mon, Sep 17, 2018	15.63	15.80	15.31	15.36
6675	NASDAQ	OSUR	Fri, Sep 14, 2018	16.00	16.20	15.65	15.69
6674	NASDAQ	OSUR	Thu, Sep 13, 2018	15.93	16.09	15.65	16.01
6673	NASDAQ	OSUR	Wed, Sep 12, 2018	15.72	15.92	15.55	15.88
6672	NASDAQ	OSUR	Tue, Sep 11, 2018	15.80	15.86	15.44	15.73
6671	NASDAQ	OSUR	Mon, Sep 10, 2018	15.89	16.24	15.77	15.85
6670	NASDAQ	OSUR	Fri, Sep 7, 2018	15.59	15.94	15.46	15.79
6669	NASDAQ	OSUR	Thu, Sep 6, 2018	15.70	15.85	15.56	15.60
6668	NASDAQ	OSUR	Wed, Sep 5, 2018	16.00	16.15	15.69	15.75
6667	NASDAQ	OSUR	Tue, Sep 4, 2018	16.02	16.16	15.86	16.03
6666	NASDAQ	OSUR	Fri, Aug 31, 2018	16.01	16.16	15.85	16.01
6665	NASDAQ	OSUR	Thu, Aug 30, 2018	16.20	16.22	15.96	16.03
6664	NASDAQ	OSUR	Wed, Aug 29, 2018	16.25	16.32	16.04	16.24
6663	NASDAQ	OSUR	Tue, Aug 28, 2018	16.30	16.58	16.17	16.25
6662	NASDAQ	OSUR	Mon, Aug 27, 2018	16.17	16.54	16.05	16.28
6661	NASDAQ	OSUR	Fri, Aug 24, 2018	16.45	16.45	16.03	16.15
6660	NASDAQ	OSUR	Thu, Aug 23, 2018	16.57	16.57	16.25	16.38
6659	NASDAQ	OSUR	Wed, Aug 22, 2018	16.59	16.80	16.55	16.61
6658	NASDAQ	OSUR	Tue, Aug 21, 2018	16.47	16.74	16.46	16.60
6657	NASDAQ	OSUR	Mon, Aug 20, 2018	16.41	16.48	16.15	16.47
6656	NASDAQ	OSUR	Fri, Aug 17, 2018	16.22	16.39	16.04	16.36
6655	NASDAQ	OSUR	Thu, Aug 16, 2018	16.05	16.31	15.93	16.31
6654	NASDAQ	OSUR	Wed, Aug 15, 2018	16.27	16.27	15.86	16.05
6653	NASDAQ	OSUR	Tue, Aug 14, 2018	16.49	16.64	16.24	16.27
6652	NASDAQ	OSUR	Mon, Aug 13, 2018	16.79	16.95	16.29	16.59
6651	NASDAQ	OSUR	Fri, Aug 10, 2018	16.56	17.11	16.42	16.76
6650	NASDAQ	OSUR	Thu, Aug 9, 2018	16.76	17.20	14.88	16.66
6649	NASDAQ	OSUR	Wed, Aug 8, 2018	16.76	16.89	16.45	16.61
6648	NASDAQ	OSUR	Tue, Aug 7, 2018	16.94	17.19	16.69	16.76
6647	NASDAQ	OSUR	Mon, Aug 6, 2018	16.76	17.06	16.63	16.89
6646	NASDAQ	OSUR	Fri, Aug 3, 2018	16.84	17.20	16.61	16.80
6645	NASDAQ	OSUR	Thu, Aug 2, 2018	16.58	16.99	16.49	16.82
6644	NASDAQ	OSUR	Wed, Aug 1, 2018	16.74	17.11	16.44	16.62
6643	NASDAQ	OSUR	Tue, Jul 31, 2018	16.52	17.16	16.36	16.79
6642	NASDAQ	OSUR	Mon, Jul 30, 2018	16.66	16.86	16.53	16.58
6641	NASDAQ	OSUR	Fri, Jul 27, 2018	17.15	17.15	16.57	16.65
6640	NASDAQ	OSUR	Thu, Jul 26, 2018	16.91	17.19	16.88	17.10
6639	NASDAQ	OSUR	Wed, Jul 25, 2018	16.93	17.23	16.89	16.95
6638	NASDAQ	OSUR	Tue, Jul 24, 2018	17.01	17.32	16.86	16.94
6637	NASDAQ	OSUR	Mon, Jul 23, 2018	16.95	17.10	16.69	17.00
6636	NASDAQ	OSUR	Fri, Jul 20, 2018	16.89	17.04	16.69	16.93
6635	NASDAQ	OSUR	Thu, Jul 19, 2018	16.68	16.96	16.55	16.91
6634	NASDAQ	OSUR	Wed, Jul 18, 2018	16.73	16.80	16.14	16.69
6633	NASDAQ	OSUR	Tue, Jul 17, 2018	16.18	16.88	16.00	16.71
6632	NASDAQ	OSUR	Mon, Jul 16, 2018	16.15	16.59	14.41	16.28
6631	NASDAQ	OSUR	Fri, Jul 13, 2018	17.28	17.50	17.19	17.30
6630	NASDAQ	OSUR	Thu, Jul 12, 2018	17.47	17.50	17.06	17.31
6629	NASDAQ	OSUR	Wed, Jul 11, 2018	17.27	17.51	17.16	17.28
6628	NASDAQ	OSUR	Tue, Jul 10, 2018	17.65	17.72	17.34	17.42
6627	NASDAQ	OSUR	Mon, Jul 9, 2018	17.72	17.75	17.53	17.64
6626	NASDAQ	OSUR	Fri, Jul 6, 2018	17.47	17.76	17.47	17.72
6625	NASDAQ	OSUR	Thu, Jul 5, 2018	16.80	17.46	16.57	17.43
6624	NASDAQ	OSUR	Tue, Jul 3, 2018	16.80	16.90	16.56	16.74
6623	NASDAQ	OSUR	Mon, Jul 2, 2018	16.42	16.77	16.28	16.75
6622	NASDAQ	OSUR	Fri, Jun 29, 2018	16.91	17.01	16.45	16.47
6621	NASDAQ	OSUR	Thu, Jun 28, 2018	16.76	16.94	16.56	16.83
6620	NASDAQ	OSUR	Wed, Jun 27, 2018	17.33	17.47	16.84	16.84
6619	NASDAQ	OSUR	Tue, Jun 26, 2018	16.88	17.41	16.80	17.31
6618	NASDAQ	OSUR	Mon, Jun 25, 2018	17.22	17.22	16.70	16.95
6617	NASDAQ	OSUR	Fri, Jun 22, 2018	17.18	17.46	16.92	17.28
6616	NASDAQ	OSUR	Thu, Jun 21, 2018	17.53	17.53	17.00	17.14
6615	NASDAQ	OSUR	Wed, Jun 20, 2018	17.85	17.87	17.45	17.52
6614	NASDAQ	OSUR	Tue, Jun 19, 2018	17.56	17.82	17.30	17.71
6613	NASDAQ	OSUR	Mon, Jun 18, 2018	17.76	17.76	17.18	17.63
6612	NASDAQ	OSUR	Fri, Jun 15, 2018	17.78	17.97	17.67	17.88
6611	NASDAQ	OSUR	Thu, Jun 14, 2018	17.56	17.90	17.24	17.87
6610	NASDAQ	OSUR	Wed, Jun 13, 2018	17.42	17.54	17.18	17.50
6609	NASDAQ	OSUR	Tue, Jun 12, 2018	17.51	17.60	17.30	17.34
6608	NASDAQ	OSUR	Mon, Jun 11, 2018	17.34	17.60	17.20	17.45
6607	NASDAQ	OSUR	Fri, Jun 8, 2018	17.34	17.58	17.21	17.36
6606	NASDAQ	OSUR	Thu, Jun 7, 2018	17.62	17.65	16.94	17.41
6605	NASDAQ	OSUR	Wed, Jun 6, 2018	17.34	17.62	17.14	17.53
6604	NASDAQ	OSUR	Tue, Jun 5, 2018	17.54	17.61	17.05	17.29
6603	NASDAQ	OSUR	Mon, Jun 4, 2018	17.31	17.61	16.97	17.58
6602	NASDAQ	OSUR	Fri, Jun 1, 2018	17.07	17.34	16.90	17.32
6601	NASDAQ	OSUR	Thu, May 31, 2018	16.90	17.15	16.86	17.01
6600	NASDAQ	OSUR	Wed, May 30, 2018	16.28	17.00	16.28	16.97
6599	NASDAQ	OSUR	Tue, May 29, 2018	16.11	16.37	15.70	16.27
6598	NASDAQ	OSUR	Fri, May 25, 2018	16.01	16.22	15.91	16.21
6597	NASDAQ	OSUR	Thu, May 24, 2018	16.06	16.30	15.94	16.08
6596	NASDAQ	OSUR	Wed, May 23, 2018	16.04	16.40	16.00	16.03
6595	NASDAQ	OSUR	Tue, May 22, 2018	16.22	16.31	15.94	16.11
6594	NASDAQ	OSUR	Mon, May 21, 2018	16.35	16.51	16.18	16.21
6593	NASDAQ	OSUR	Fri, May 18, 2018	16.34	16.34	16.19	16.27
6592	NASDAQ	OSUR	Thu, May 17, 2018	16.09	16.44	15.97	16.33
6591	NASDAQ	OSUR	Wed, May 16, 2018	15.58	16.22	15.58	16.04
6590	NASDAQ	OSUR	Tue, May 15, 2018	15.78	16.00	15.60	15.61
6589	NASDAQ	OSUR	Mon, May 14, 2018	15.90	16.19	15.76	15.83
6588	NASDAQ	OSUR	Fri, May 11, 2018	16.21	16.35	15.67	15.81
6587	NASDAQ	OSUR	Thu, May 10, 2018	15.75	16.31	15.66	16.27
6586	NASDAQ	OSUR	Wed, May 9, 2018	15.44	15.83	15.44	15.66
6585	NASDAQ	OSUR	Tue, May 8, 2018	15.54	15.65	15.27	15.35
6584	NASDAQ	OSUR	Mon, May 7, 2018	14.70	15.84	14.59	15.78
6583	NASDAQ	OSUR	Fri, May 4, 2018	14.88	15.41	14.39	14.46
6582	NASDAQ	OSUR	Thu, May 3, 2018	17.62	18.20	14.58	15.00
6581	NASDAQ	OSUR	Wed, May 2, 2018	17.82	18.45	17.63	17.80
6580	NASDAQ	OSUR	Tue, May 1, 2018	17.75	17.87	17.50	17.74
6579	NASDAQ	OSUR	Mon, Apr 30, 2018	18.08	18.29	17.71	17.73
6578	NASDAQ	OSUR	Fri, Apr 27, 2018	18.05	18.19	17.90	18.08
6577	NASDAQ	OSUR	Thu, Apr 26, 2018	17.34	18.11	17.25	18.02
6576	NASDAQ	OSUR	Wed, Apr 25, 2018	17.05	17.28	16.79	17.19
6575	NASDAQ	OSUR	Tue, Apr 24, 2018	17.21	17.45	16.80	17.05
6574	NASDAQ	OSUR	Mon, Apr 23, 2018	17.30	17.49	17.01	17.17
6573	NASDAQ	OSUR	Fri, Apr 20, 2018	17.50	17.50	17.10	17.18
6572	NASDAQ	OSUR	Thu, Apr 19, 2018	17.74	17.74	17.42	17.55
6571	NASDAQ	OSUR	Wed, Apr 18, 2018	17.76	17.95	17.58	17.74
6570	NASDAQ	OSUR	Tue, Apr 17, 2018	17.49	17.85	17.28	17.76
6569	NASDAQ	OSUR	Mon, Apr 16, 2018	16.94	17.37	16.82	17.30
6568	NASDAQ	OSUR	Fri, Apr 13, 2018	17.22	17.22	16.72	16.80
6567	NASDAQ	OSUR	Thu, Apr 12, 2018	17.01	17.22	16.84	17.07
6566	NASDAQ	OSUR	Wed, Apr 11, 2018	17.22	17.32	16.82	16.86
6565	NASDAQ	OSUR	Tue, Apr 10, 2018	16.90	17.49	16.84	17.28
6564	NASDAQ	OSUR	Mon, Apr 9, 2018	16.87	16.97	16.66	16.73
6563	NASDAQ	OSUR	Fri, Apr 6, 2018	16.91	17.02	16.30	16.72
6562	NASDAQ	OSUR	Thu, Apr 5, 2018	17.00	17.23	16.84	17.06
6561	NASDAQ	OSUR	Wed, Apr 4, 2018	16.60	17.02	16.30	16.95
6560	NASDAQ	OSUR	Tue, Apr 3, 2018	16.68	17.00	16.56	16.84
6559	NASDAQ	OSUR	Mon, Apr 2, 2018	16.93	17.09	16.50	16.65
6558	NASDAQ	OSUR	Thu, Mar 29, 2018	16.93	17.10	16.65	16.89
6557	NASDAQ	OSUR	Wed, Mar 28, 2018	16.84	17.12	16.15	16.79
6556	NASDAQ	OSUR	Tue, Mar 27, 2018	17.10	17.12	16.70	16.85
6555	NASDAQ	OSUR	Mon, Mar 26, 2018	17.05	17.11	16.41	17.08
6554	NASDAQ	OSUR	Fri, Mar 23, 2018	17.41	17.65	16.75	16.77
6553	NASDAQ	OSUR	Thu, Mar 22, 2018	17.73	18.04	17.43	17.43
6552	NASDAQ	OSUR	Wed, Mar 21, 2018	17.42	17.91	17.42	17.86
6551	NASDAQ	OSUR	Tue, Mar 20, 2018	17.79	17.95	17.38	17.44
6550	NASDAQ	OSUR	Mon, Mar 19, 2018	17.92	18.02	17.54	17.76
6549	NASDAQ	OSUR	Fri, Mar 16, 2018	18.27	18.46	17.46	18.06
6548	NASDAQ	OSUR	Thu, Mar 15, 2018	18.54	18.58	18.26	18.28
6547	NASDAQ	OSUR	Wed, Mar 14, 2018	18.67	18.71	18.22	18.46
6546	NASDAQ	OSUR	Tue, Mar 13, 2018	18.59	18.64	18.33	18.60
6545	NASDAQ	OSUR	Mon, Mar 12, 2018	18.26	18.54	18.24	18.53
6544	NASDAQ	OSUR	Fri, Mar 9, 2018	18.08	18.38	18.05	18.25
6543	NASDAQ	OSUR	Thu, Mar 8, 2018	17.98	18.20	17.76	17.98
6542	NASDAQ	OSUR	Wed, Mar 7, 2018	17.64	18.03	17.64	17.89
6541	NASDAQ	OSUR	Tue, Mar 6, 2018	17.67	17.82	17.38	17.76
6540	NASDAQ	OSUR	Mon, Mar 5, 2018	17.76	17.81	17.40	17.64
6539	NASDAQ	OSUR	Fri, Mar 2, 2018	16.88	17.90	16.87	17.83
6538	NASDAQ	OSUR	Thu, Mar 1, 2018	17.25	17.43	16.82	16.98
6537	NASDAQ	OSUR	Wed, Feb 28, 2018	17.79	17.95	17.26	17.26
6536	NASDAQ	OSUR	Tue, Feb 27, 2018	17.85	18.00	17.64	17.68
6535	NASDAQ	OSUR	Mon, Feb 26, 2018	17.63	18.01	17.36	17.85
6534	NASDAQ	OSUR	Fri, Feb 23, 2018	17.52	17.74	17.25	17.62
6533	NASDAQ	OSUR	Thu, Feb 22, 2018	17.83	17.90	17.19	17.39
6532	NASDAQ	OSUR	Wed, Feb 21, 2018	17.85	18.16	17.68	17.82
6531	NASDAQ	OSUR	Tue, Feb 20, 2018	18.12	18.23	17.75	17.86
6530	NASDAQ	OSUR	Fri, Feb 16, 2018	17.89	18.37	17.82	18.28
6529	NASDAQ	OSUR	Thu, Feb 15, 2018	17.88	18.15	17.51	18.01
6528	NASDAQ	OSUR	Wed, Feb 14, 2018	17.17	17.98	17.17	17.86
6527	NASDAQ	OSUR	Tue, Feb 13, 2018	17.32	17.47	16.86	17.28
6526	NASDAQ	OSUR	Mon, Feb 12, 2018	18.40	18.40	16.99	17.46
6525	NASDAQ	OSUR	Fri, Feb 9, 2018	17.66	18.11	16.43	18.00
6524	NASDAQ	OSUR	Thu, Feb 8, 2018	20.69	20.76	17.49	17.58
6523	NASDAQ	OSUR	Wed, Feb 7, 2018	20.13	20.59	20.06	20.33
6522	NASDAQ	OSUR	Tue, Feb 6, 2018	19.83	20.52	19.00	20.16
6521	NASDAQ	OSUR	Mon, Feb 5, 2018	21.39	21.69	20.31	20.33
6520	NASDAQ	OSUR	Fri, Feb 2, 2018	21.91	22.03	21.35	21.55
6519	NASDAQ	OSUR	Thu, Feb 1, 2018	21.72	21.91	21.38	21.90
6518	NASDAQ	OSUR	Wed, Jan 31, 2018	21.97	22.13	21.64	21.76
6517	NASDAQ	OSUR	Tue, Jan 30, 2018	21.50	22.18	21.49	21.93
6516	NASDAQ	OSUR	Mon, Jan 29, 2018	21.57	21.93	21.48	21.69
6515	NASDAQ	OSUR	Fri, Jan 26, 2018	21.14	21.86	21.04	21.56
6514	NASDAQ	OSUR	Thu, Jan 25, 2018	21.56	21.93	20.90	21.11
6513	NASDAQ	OSUR	Wed, Jan 24, 2018	22.14	22.22	21.50	21.51
6512	NASDAQ	OSUR	Tue, Jan 23, 2018	21.78	22.18	21.49	22.04
6511	NASDAQ	OSUR	Mon, Jan 22, 2018	21.55	21.89	21.54	21.83
6510	NASDAQ	OSUR	Fri, Jan 19, 2018	21.51	21.89	21.28	21.71
6509	NASDAQ	OSUR	Thu, Jan 18, 2018	21.24	21.59	21.11	21.51
6508	NASDAQ	OSUR	Wed, Jan 17, 2018	20.50	21.25	20.25	21.22
6507	NASDAQ	OSUR	Tue, Jan 16, 2018	19.99	20.91	19.95	20.47
6506	NASDAQ	OSUR	Fri, Jan 12, 2018	19.75	19.91	19.47	19.81
6505	NASDAQ	OSUR	Thu, Jan 11, 2018	19.40	19.82	19.11	19.75
6504	NASDAQ	OSUR	Wed, Jan 10, 2018	19.36	19.42	19.09	19.39
6503	NASDAQ	OSUR	Tue, Jan 9, 2018	19.40	19.50	19.03	19.42
6502	NASDAQ	OSUR	Mon, Jan 8, 2018	19.65	19.76	19.28	19.29
6501	NASDAQ	OSUR	Fri, Jan 5, 2018	19.42	19.74	19.20	19.65
6500	NASDAQ	OSUR	Thu, Jan 4, 2018	19.27	19.52	18.15	19.25
6499	NASDAQ	OSUR	Wed, Jan 3, 2018	19.35	19.35	18.51	19.04
6498	NASDAQ	OSUR	Tue, Jan 2, 2018	18.90	19.49	18.78	19.29
6497	NASDAQ	OSUR	Fri, Dec 29, 2017	18.70	19.03	18.68	18.86
6496	NASDAQ	OSUR	Thu, Dec 28, 2017	18.80	18.90	18.65	18.73
6495	NASDAQ	OSUR	Wed, Dec 27, 2017	18.40	18.88	18.37	18.74
6494	NASDAQ	OSUR	Tue, Dec 26, 2017	18.85	18.88	18.30	18.34
6493	NASDAQ	OSUR	Fri, Dec 22, 2017	18.84	18.98	18.62	18.90
6492	NASDAQ	OSUR	Thu, Dec 21, 2017	18.99	18.99	18.71	18.79
6491	NASDAQ	OSUR	Wed, Dec 20, 2017	18.78	19.02	18.72	18.93
6490	NASDAQ	OSUR	Tue, Dec 19, 2017	18.43	18.80	18.28	18.67
6489	NASDAQ	OSUR	Mon, Dec 18, 2017	18.16	18.52	18.11	18.46
6488	NASDAQ	OSUR	Fri, Dec 15, 2017	17.67	18.23	17.66	18.19
6487	NASDAQ	OSUR	Thu, Dec 14, 2017	17.35	17.78	17.30	17.60
6486	NASDAQ	OSUR	Wed, Dec 13, 2017	17.45	17.64	17.16	17.46
6485	NASDAQ	OSUR	Tue, Dec 12, 2017	17.33	17.63	17.25	17.40
6484	NASDAQ	OSUR	Mon, Dec 11, 2017	17.36	17.65	17.04	17.34
6483	NASDAQ	OSUR	Fri, Dec 8, 2017	17.26	17.45	17.15	17.37
6482	NASDAQ	OSUR	Thu, Dec 7, 2017	16.81	17.40	16.76	17.22
6481	NASDAQ	OSUR	Wed, Dec 6, 2017	16.49	16.97	16.38	16.87
6480	NASDAQ	OSUR	Tue, Dec 5, 2017	16.72	16.90	16.19	16.44
6479	NASDAQ	OSUR	Mon, Dec 4, 2017	17.24	17.33	16.62	16.68
6478	NASDAQ	OSUR	Fri, Dec 1, 2017	16.45	17.04	16.30	17.03
6477	NASDAQ	OSUR	Thu, Nov 30, 2017	16.74	16.85	16.54	16.55
6476	NASDAQ	OSUR	Wed, Nov 29, 2017	16.63	16.79	16.40	16.71
6475	NASDAQ	OSUR	Tue, Nov 28, 2017	16.51	16.59	16.36	16.53
6474	NASDAQ	OSUR	Mon, Nov 27, 2017	16.36	16.54	15.99	16.41
6473	NASDAQ	OSUR	Fri, Nov 24, 2017	16.85	16.85	16.18	16.38
6472	NASDAQ	OSUR	Wed, Nov 22, 2017	16.66	17.30	16.36	16.86
6471	NASDAQ	OSUR	Tue, Nov 21, 2017	14.05	16.77	13.73	16.55
6470	NASDAQ	OSUR	Mon, Nov 20, 2017	13.80	14.16	13.76	13.96
6469	NASDAQ	OSUR	Fri, Nov 17, 2017	13.99	14.07	13.64	13.74
6468	NASDAQ	OSUR	Thu, Nov 16, 2017	13.82	14.25	13.82	14.09
6467	NASDAQ	OSUR	Wed, Nov 15, 2017	14.00	14.08	13.68	13.84
6466	NASDAQ	OSUR	Tue, Nov 14, 2017	14.28	14.35	14.02	14.11
6465	NASDAQ	OSUR	Mon, Nov 13, 2017	14.12	14.42	13.96	14.39
6464	NASDAQ	OSUR	Fri, Nov 10, 2017	14.56	14.60	13.82	14.25
6463	NASDAQ	OSUR	Thu, Nov 9, 2017	13.36	14.42	13.21	14.33
6462	NASDAQ	OSUR	Wed, Nov 8, 2017	13.90	13.98	13.37	13.44
6461	NASDAQ	OSUR	Tue, Nov 7, 2017	14.42	14.53	13.77	13.85
6460	NASDAQ	OSUR	Mon, Nov 6, 2017	14.36	14.76	14.06	14.49
6459	NASDAQ	OSUR	Fri, Nov 3, 2017	13.71	14.85	12.86	14.82
6458	NASDAQ	OSUR	Thu, Nov 2, 2017	14.52	16.20	13.38	13.76
6457	NASDAQ	OSUR	Wed, Nov 1, 2017	19.82	20.00	18.93	19.02
6456	NASDAQ	OSUR	Tue, Oct 31, 2017	20.02	20.05	19.53	19.75
6455	NASDAQ	OSUR	Mon, Oct 30, 2017	21.11	21.11	19.93	20.00
6454	NASDAQ	OSUR	Fri, Oct 27, 2017	20.46	21.33	20.46	21.28
6453	NASDAQ	OSUR	Thu, Oct 26, 2017	20.65	20.80	20.34	20.37
6452	NASDAQ	OSUR	Wed, Oct 25, 2017	20.59	20.82	20.48	20.64
6451	NASDAQ	OSUR	Tue, Oct 24, 2017	20.40	20.90	20.34	20.62
6450	NASDAQ	OSUR	Mon, Oct 23, 2017	20.30	20.83	20.30	20.39
6449	NASDAQ	OSUR	Fri, Oct 20, 2017	19.75	20.25	19.58	20.24
6448	NASDAQ	OSUR	Thu, Oct 19, 2017	19.69	20.19	19.39	19.58
6447	NASDAQ	OSUR	Wed, Oct 18, 2017	18.80	20.22	18.55	19.85
6446	NASDAQ	OSUR	Tue, Oct 17, 2017	20.51	20.51	18.36	18.89
6445	NASDAQ	OSUR	Mon, Oct 16, 2017	21.51	21.85	20.92	20.97
6444	NASDAQ	OSUR	Fri, Oct 13, 2017	22.11	22.11	21.52	21.57
6443	NASDAQ	OSUR	Thu, Oct 12, 2017	22.00	22.19	21.90	22.06
6442	NASDAQ	OSUR	Wed, Oct 11, 2017	22.02	22.41	22.00	22.06
6441	NASDAQ	OSUR	Tue, Oct 10, 2017	21.98	22.15	21.71	21.97
6440	NASDAQ	OSUR	Mon, Oct 9, 2017	22.26	22.37	21.73	21.91
6439	NASDAQ	OSUR	Fri, Oct 6, 2017	22.34	22.70	22.17	22.25
6438	NASDAQ	OSUR	Thu, Oct 5, 2017	22.81	22.95	22.33	22.34
6437	NASDAQ	OSUR	Wed, Oct 4, 2017	22.90	23.01	22.61	22.78
6436	NASDAQ	OSUR	Tue, Oct 3, 2017	22.88	22.99	22.24	22.77
6435	NASDAQ	OSUR	Mon, Oct 2, 2017	22.60	22.94	22.54	22.81
6434	NASDAQ	OSUR	Fri, Sep 29, 2017	22.63	22.79	22.22	22.50
6433	NASDAQ	OSUR	Thu, Sep 28, 2017	22.65	22.79	22.34	22.74
6432	NASDAQ	OSUR	Wed, Sep 27, 2017	22.03	22.76	21.75	22.71
6431	NASDAQ	OSUR	Tue, Sep 26, 2017	22.20	22.40	21.77	21.84
6430	NASDAQ	OSUR	Mon, Sep 25, 2017	21.67	22.15	21.50	22.14
6429	NASDAQ	OSUR	Fri, Sep 22, 2017	21.54	21.79	21.36	21.74
6428	NASDAQ	OSUR	Thu, Sep 21, 2017	21.87	21.87	21.36	21.61
6427	NASDAQ	OSUR	Wed, Sep 20, 2017	21.82	21.99	21.72	21.94
6426	NASDAQ	OSUR	Tue, Sep 19, 2017	21.88	22.04	21.76	21.81
6425	NASDAQ	OSUR	Mon, Sep 18, 2017	22.03	22.22	21.90	21.97
6424	NASDAQ	OSUR	Fri, Sep 15, 2017	22.19	22.25	21.89	21.98
6423	NASDAQ	OSUR	Thu, Sep 14, 2017	21.77	22.16	21.71	22.15
6422	NASDAQ	OSUR	Wed, Sep 13, 2017	21.65	21.71	21.44	21.71
6421	NASDAQ	OSUR	Tue, Sep 12, 2017	22.02	22.10	21.52	21.66
6420	NASDAQ	OSUR	Mon, Sep 11, 2017	21.77	22.15	21.66	22.02
6419	NASDAQ	OSUR	Fri, Sep 8, 2017	21.66	21.80	21.40	21.60
6418	NASDAQ	OSUR	Thu, Sep 7, 2017	21.19	21.84	21.02	21.65
6417	NASDAQ	OSUR	Wed, Sep 6, 2017	20.77	21.25	20.59	21.11
6416	NASDAQ	OSUR	Tue, Sep 5, 2017	20.73	20.99	20.51	20.74
6415	NASDAQ	OSUR	Fri, Sep 1, 2017	20.41	20.89	20.27	20.84
6414	NASDAQ	OSUR	Thu, Aug 31, 2017	20.32	20.49	20.18	20.41
6413	NASDAQ	OSUR	Wed, Aug 30, 2017	20.06	20.38	19.98	20.24
6412	NASDAQ	OSUR	Tue, Aug 29, 2017	20.11	20.22	19.88	20.02
6411	NASDAQ	OSUR	Mon, Aug 28, 2017	20.31	20.40	20.08	20.30
6410	NASDAQ	OSUR	Fri, Aug 25, 2017	20.62	20.62	20.12	20.28
6409	NASDAQ	OSUR	Thu, Aug 24, 2017	20.60	20.75	20.27	20.58
6408	NASDAQ	OSUR	Wed, Aug 23, 2017	20.81	20.90	20.45	20.52
6407	NASDAQ	OSUR	Tue, Aug 22, 2017	20.55	21.15	20.49	20.86
6406	NASDAQ	OSUR	Mon, Aug 21, 2017	20.18	20.53	20.06	20.47
6405	NASDAQ	OSUR	Fri, Aug 18, 2017	19.84	20.41	19.63	20.26
6404	NASDAQ	OSUR	Thu, Aug 17, 2017	20.26	20.40	19.93	19.97
6403	NASDAQ	OSUR	Wed, Aug 16, 2017	20.62	20.82	20.22	20.29
6402	NASDAQ	OSUR	Tue, Aug 15, 2017	20.86	20.89	20.48	20.53
6401	NASDAQ	OSUR	Mon, Aug 14, 2017	20.91	21.37	20.50	20.73
6400	NASDAQ	OSUR	Fri, Aug 11, 2017	20.30	20.94	20.24	20.73
6399	NASDAQ	OSUR	Thu, Aug 10, 2017	20.94	20.94	20.18	20.30
6398	NASDAQ	OSUR	Wed, Aug 9, 2017	20.96	21.40	20.80	20.94
6397	NASDAQ	OSUR	Tue, Aug 8, 2017	21.20	21.55	20.98	21.46
6396	NASDAQ	OSUR	Mon, Aug 7, 2017	20.52	21.59	20.37	21.20
6395	NASDAQ	OSUR	Fri, Aug 4, 2017	20.38	20.61	20.03	20.61
6394	NASDAQ	OSUR	Thu, Aug 3, 2017	18.73	20.55	18.40	20.15
6393	NASDAQ	OSUR	Wed, Aug 2, 2017	17.71	17.88	17.06	17.27
6392	NASDAQ	OSUR	Tue, Aug 1, 2017	17.63	17.81	17.46	17.75
6391	NASDAQ	OSUR	Mon, Jul 31, 2017	17.84	17.95	17.52	17.54
6390	NASDAQ	OSUR	Fri, Jul 28, 2017	17.69	18.03	17.55	17.78
6389	NASDAQ	OSUR	Thu, Jul 27, 2017	18.00	18.13	17.43	17.73
6388	NASDAQ	OSUR	Wed, Jul 26, 2017	18.30	18.30	17.92	18.00
6387	NASDAQ	OSUR	Tue, Jul 25, 2017	18.66	18.87	18.20	18.25
6386	NASDAQ	OSUR	Mon, Jul 24, 2017	18.05	18.67	18.03	18.63
6385	NASDAQ	OSUR	Fri, Jul 21, 2017	18.64	18.67	17.91	18.00
6384	NASDAQ	OSUR	Thu, Jul 20, 2017	18.58	18.65	18.32	18.36
6383	NASDAQ	OSUR	Wed, Jul 19, 2017	18.69	18.71	18.50	18.56
6382	NASDAQ	OSUR	Tue, Jul 18, 2017	19.18	19.33	18.51	18.59
6381	NASDAQ	OSUR	Mon, Jul 17, 2017	19.06	19.28	18.84	19.19
6380	NASDAQ	OSUR	Fri, Jul 14, 2017	18.75	19.05	18.67	19.01
6379	NASDAQ	OSUR	Thu, Jul 13, 2017	18.77	18.81	18.45	18.81
6378	NASDAQ	OSUR	Wed, Jul 12, 2017	18.86	18.89	18.56	18.71
6377	NASDAQ	OSUR	Tue, Jul 11, 2017	18.57	18.90	18.55	18.68
6376	NASDAQ	OSUR	Mon, Jul 10, 2017	18.01	18.68	17.91	18.51
6375	NASDAQ	OSUR	Fri, Jul 7, 2017	17.51	17.95	17.33	17.89
6374	NASDAQ	OSUR	Thu, Jul 6, 2017	17.83	17.83	17.31	17.37
6373	NASDAQ	OSUR	Wed, Jul 5, 2017	17.52	18.05	17.44	17.92
6372	NASDAQ	OSUR	Mon, Jul 3, 2017	17.26	17.54	17.14	17.44
6371	NASDAQ	OSUR	Fri, Jun 30, 2017	17.87	17.91	17.25	17.26
6370	NASDAQ	OSUR	Thu, Jun 29, 2017	17.80	17.96	17.62	17.84
6369	NASDAQ	OSUR	Wed, Jun 28, 2017	17.34	17.71	17.19	17.71
6368	NASDAQ	OSUR	Tue, Jun 27, 2017	16.00	17.68	15.86	17.30
6367	NASDAQ	OSUR	Mon, Jun 26, 2017	15.56	15.84	15.46	15.72
6366	NASDAQ	OSUR	Fri, Jun 23, 2017	15.30	15.58	15.15	15.55
6365	NASDAQ	OSUR	Thu, Jun 22, 2017	14.86	15.33	14.84	15.29
6364	NASDAQ	OSUR	Wed, Jun 21, 2017	15.01	15.07	14.83	14.87
6363	NASDAQ	OSUR	Tue, Jun 20, 2017	14.91	15.02	14.82	14.96
6362	NASDAQ	OSUR	Mon, Jun 19, 2017	14.96	15.10	14.91	14.94
6361	NASDAQ	OSUR	Fri, Jun 16, 2017	15.00	15.22	14.12	14.94
6360	NASDAQ	OSUR	Thu, Jun 15, 2017	15.19	15.19	14.89	15.16
6359	NASDAQ	OSUR	Wed, Jun 14, 2017	15.35	15.48	15.20	15.33
6358	NASDAQ	OSUR	Tue, Jun 13, 2017	15.21	15.39	15.10	15.33
6357	NASDAQ	OSUR	Mon, Jun 12, 2017	15.10	15.20	14.69	15.16
6356	NASDAQ	OSUR	Fri, Jun 9, 2017	15.75	15.90	14.95	15.17
6355	NASDAQ	OSUR	Thu, Jun 8, 2017	15.37	15.73	15.31	15.71
6354	NASDAQ	OSUR	Wed, Jun 7, 2017	15.44	15.48	15.26	15.40
6353	NASDAQ	OSUR	Tue, Jun 6, 2017	15.60	15.64	15.42	15.43
6352	NASDAQ	OSUR	Mon, Jun 5, 2017	15.79	15.86	15.60	15.62
6351	NASDAQ	OSUR	Fri, Jun 2, 2017	15.39	15.85	15.39	15.74
6350	NASDAQ	OSUR	Thu, Jun 1, 2017	15.10	15.46	15.01	15.40
6349	NASDAQ	OSUR	Wed, May 31, 2017	15.23	15.29	14.89	15.07
6348	NASDAQ	OSUR	Tue, May 30, 2017	14.80	15.33	14.78	15.12
6347	NASDAQ	OSUR	Fri, May 26, 2017	14.79	14.90	14.74	14.84
6346	NASDAQ	OSUR	Thu, May 25, 2017	14.74	14.91	14.68	14.80
6345	NASDAQ	OSUR	Wed, May 24, 2017	14.61	14.65	14.46	14.65
6344	NASDAQ	OSUR	Tue, May 23, 2017	14.64	14.64	14.44	14.59
6343	NASDAQ	OSUR	Mon, May 22, 2017	14.57	14.62	14.47	14.59
6342	NASDAQ	OSUR	Fri, May 19, 2017	14.38	14.59	14.27	14.52
6341	NASDAQ	OSUR	Thu, May 18, 2017	14.45	14.63	14.09	14.35
6340	NASDAQ	OSUR	Wed, May 17, 2017	14.80	14.81	14.48	14.50
6339	NASDAQ	OSUR	Tue, May 16, 2017	15.18	15.32	14.86	14.90
6338	NASDAQ	OSUR	Mon, May 15, 2017	15.05	15.28	14.98	15.11
6337	NASDAQ	OSUR	Fri, May 12, 2017	14.92	15.12	14.86	14.96
6336	NASDAQ	OSUR	Thu, May 11, 2017	14.87	15.09	14.75	14.99
6335	NASDAQ	OSUR	Wed, May 10, 2017	15.00	15.00	14.55	14.90
6334	NASDAQ	OSUR	Tue, May 9, 2017	14.75	15.10	14.66	15.00
6333	NASDAQ	OSUR	Mon, May 8, 2017	14.96	15.25	14.82	14.84
6332	NASDAQ	OSUR	Fri, May 5, 2017	15.32	15.40	14.84	14.99
6331	NASDAQ	OSUR	Thu, May 4, 2017	14.24	15.72	13.73	15.64
6330	NASDAQ	OSUR	Wed, May 3, 2017	13.36	13.41	13.00	13.21
6329	NASDAQ	OSUR	Tue, May 2, 2017	13.25	13.41	13.10	13.38
6328	NASDAQ	OSUR	Mon, May 1, 2017	13.20	13.48	13.05	13.28
6327	NASDAQ	OSUR	Fri, Apr 28, 2017	13.05	13.23	13.00	13.11
6326	NASDAQ	OSUR	Thu, Apr 27, 2017	13.12	13.30	13.01	13.02
6325	NASDAQ	OSUR	Wed, Apr 26, 2017	12.86	13.14	12.83	13.13
6324	NASDAQ	OSUR	Tue, Apr 25, 2017	12.76	12.89	12.73	12.86
6323	NASDAQ	OSUR	Mon, Apr 24, 2017	12.83	12.90	12.61	12.69
6322	NASDAQ	OSUR	Fri, Apr 21, 2017	12.60	12.74	12.43	12.67
6321	NASDAQ	OSUR	Thu, Apr 20, 2017	12.57	12.71	12.44	12.64
6320	NASDAQ	OSUR	Wed, Apr 19, 2017	12.49	12.69	12.41	12.51
6319	NASDAQ	OSUR	Tue, Apr 18, 2017	12.46	12.47	12.31	12.41
6318	NASDAQ	OSUR	Mon, Apr 17, 2017	12.35	12.56	12.29	12.49
6317	NASDAQ	OSUR	Thu, Apr 13, 2017	12.30	12.45	12.20	12.35
6316	NASDAQ	OSUR	Wed, Apr 12, 2017	12.31	12.41	12.27	12.33
6315	NASDAQ	OSUR	Tue, Apr 11, 2017	12.21	12.36	12.03	12.34
6314	NASDAQ	OSUR	Mon, Apr 10, 2017	12.60	12.61	12.23	12.25
6313	NASDAQ	OSUR	Fri, Apr 7, 2017	12.53	12.95	12.50	12.51
6312	NASDAQ	OSUR	Thu, Apr 6, 2017	12.34	12.37	12.11	12.30
6311	NASDAQ	OSUR	Wed, Apr 5, 2017	12.68	12.79	12.33	12.36
6310	NASDAQ	OSUR	Tue, Apr 4, 2017	12.50	12.64	12.40	12.63
6309	NASDAQ	OSUR	Mon, Apr 3, 2017	13.00	13.03	12.52	12.52
6308	NASDAQ	OSUR	Fri, Mar 31, 2017	12.70	12.97	12.56	12.93
6307	NASDAQ	OSUR	Thu, Mar 30, 2017	12.60	12.76	12.47	12.70
6306	NASDAQ	OSUR	Wed, Mar 29, 2017	12.72	12.75	12.55	12.57
6305	NASDAQ	OSUR	Tue, Mar 28, 2017	12.50	12.74	12.32	12.73
6304	NASDAQ	OSUR	Mon, Mar 27, 2017	12.06	12.50	11.88	12.49
6303	NASDAQ	OSUR	Fri, Mar 24, 2017	12.07	12.14	11.92	12.13
6302	NASDAQ	OSUR	Thu, Mar 23, 2017	11.93	12.28	11.91	12.06
6301	NASDAQ	OSUR	Wed, Mar 22, 2017	11.83	12.06	11.62	12.06
6300	NASDAQ	OSUR	Tue, Mar 21, 2017	11.76	12.08	11.61	11.80
6299	NASDAQ	OSUR	Mon, Mar 20, 2017	10.84	10.99	10.75	10.89
6298	NASDAQ	OSUR	Fri, Mar 17, 2017	11.07	11.20	10.85	10.86
6297	NASDAQ	OSUR	Thu, Mar 16, 2017	11.34	11.38	11.05	11.13
6296	NASDAQ	OSUR	Wed, Mar 15, 2017	11.11	11.36	11.03	11.32
6295	NASDAQ	OSUR	Tue, Mar 14, 2017	11.37	11.37	11.06	11.07
6294	NASDAQ	OSUR	Mon, Mar 13, 2017	11.46	11.58	11.29	11.43
6293	NASDAQ	OSUR	Fri, Mar 10, 2017	11.59	11.62	11.34	11.46
6292	NASDAQ	OSUR	Thu, Mar 9, 2017	11.48	11.61	11.43	11.47
6291	NASDAQ	OSUR	Wed, Mar 8, 2017	11.56	11.65	11.45	11.50
6290	NASDAQ	OSUR	Tue, Mar 7, 2017	11.63	11.75	11.47	11.55
6289	NASDAQ	OSUR	Mon, Mar 6, 2017	11.71	11.81	11.54	11.63
6288	NASDAQ	OSUR	Fri, Mar 3, 2017	11.90	11.94	11.60	11.80
6287	NASDAQ	OSUR	Thu, Mar 2, 2017	11.33	12.07	11.33	11.83
6286	NASDAQ	OSUR	Wed, Mar 1, 2017	11.39	11.50	11.21	11.38
6285	NASDAQ	OSUR	Tue, Feb 28, 2017	11.16	11.39	11.06	11.21
6284	NASDAQ	OSUR	Mon, Feb 27, 2017	11.27	11.44	11.20	11.22
6283	NASDAQ	OSUR	Fri, Feb 24, 2017	10.97	11.48	10.89	11.15
6282	NASDAQ	OSUR	Thu, Feb 23, 2017	11.09	11.12	10.95	11.08
6281	NASDAQ	OSUR	Wed, Feb 22, 2017	10.96	11.17	10.91	11.08
6280	NASDAQ	OSUR	Tue, Feb 21, 2017	11.23	11.34	10.97	11.00
6279	NASDAQ	OSUR	Fri, Feb 17, 2017	11.06	11.28	10.70	11.23
6278	NASDAQ	OSUR	Thu, Feb 16, 2017	11.12	11.20	10.82	11.10
6277	NASDAQ	OSUR	Wed, Feb 15, 2017	10.93	11.17	10.88	11.12
6276	NASDAQ	OSUR	Tue, Feb 14, 2017	10.40	10.87	10.28	10.86
6275	NASDAQ	OSUR	Mon, Feb 13, 2017	10.61	10.72	10.41	10.49
6274	NASDAQ	OSUR	Fri, Feb 10, 2017	10.50	10.89	10.37	10.51
6273	NASDAQ	OSUR	Thu, Feb 9, 2017	10.06	11.41	9.92	10.49
6272	NASDAQ	OSUR	Wed, Feb 8, 2017	8.83	8.91	8.70	8.85
6271	NASDAQ	OSUR	Tue, Feb 7, 2017	8.90	8.93	8.78	8.82
6270	NASDAQ	OSUR	Mon, Feb 6, 2017	8.88	9.05	8.85	8.98
6269	NASDAQ	OSUR	Fri, Feb 3, 2017	8.82	8.97	8.71	8.94
6268	NASDAQ	OSUR	Thu, Feb 2, 2017	8.89	9.00	8.73	8.78
6267	NASDAQ	OSUR	Wed, Feb 1, 2017	8.86	8.94	8.80	8.93
6266	NASDAQ	OSUR	Tue, Jan 31, 2017	8.61	8.88	8.46	8.82
6265	NASDAQ	OSUR	Mon, Jan 30, 2017	8.63	8.68	8.40	8.66
6264	NASDAQ	OSUR	Fri, Jan 27, 2017	8.54	8.70	8.54	8.66
6263	NASDAQ	OSUR	Thu, Jan 26, 2017	8.58	8.61	8.46	8.55
6262	NASDAQ	OSUR	Wed, Jan 25, 2017	8.66	8.73	8.51	8.64
6261	NASDAQ	OSUR	Tue, Jan 24, 2017	8.50	8.61	8.43	8.58
6260	NASDAQ	OSUR	Mon, Jan 23, 2017	8.52	8.59	8.39	8.48
6259	NASDAQ	OSUR	Fri, Jan 20, 2017	8.61	8.69	8.52	8.53
6258	NASDAQ	OSUR	Thu, Jan 19, 2017	8.78	8.78	8.50	8.61
6257	NASDAQ	OSUR	Wed, Jan 18, 2017	8.76	8.83	8.65	8.73
6256	NASDAQ	OSUR	Tue, Jan 17, 2017	8.84	8.84	8.62	8.71
6255	NASDAQ	OSUR	Fri, Jan 13, 2017	8.81	8.92	8.71	8.86
6254	NASDAQ	OSUR	Thu, Jan 12, 2017	8.87	8.90	8.67	8.75
6253	NASDAQ	OSUR	Wed, Jan 11, 2017	9.09	9.09	8.83	8.91
6252	NASDAQ	OSUR	Tue, Jan 10, 2017	8.80	9.09	8.77	9.09
6251	NASDAQ	OSUR	Mon, Jan 9, 2017	8.75	8.85	8.67	8.75
6250	NASDAQ	OSUR	Fri, Jan 6, 2017	8.89	8.89	8.76	8.77
6249	NASDAQ	OSUR	Thu, Jan 5, 2017	8.92	8.93	8.82	8.87
6248	NASDAQ	OSUR	Wed, Jan 4, 2017	8.81	8.98	8.78	8.94
6247	NASDAQ	OSUR	Tue, Jan 3, 2017	8.87	8.88	8.70	8.79
6246	NASDAQ	OSUR	Fri, Dec 30, 2016	8.85	8.88	8.72	8.78
6245	NASDAQ	OSUR	Thu, Dec 29, 2016	8.79	8.94	8.79	8.84
6244	NASDAQ	OSUR	Wed, Dec 28, 2016	8.89	8.91	8.76	8.78
6243	NASDAQ	OSUR	Tue, Dec 27, 2016	8.72	8.96	8.72	8.86
6242	NASDAQ	OSUR	Fri, Dec 23, 2016	8.72	8.95	8.65	8.75
6241	NASDAQ	OSUR	Thu, Dec 22, 2016	8.95	8.95	8.74	8.75
6240	NASDAQ	OSUR	Wed, Dec 21, 2016	9.00	9.11	8.93	8.99
6239	NASDAQ	OSUR	Tue, Dec 20, 2016	9.10	9.13	8.87	8.88
6238	NASDAQ	OSUR	Mon, Dec 19, 2016	9.23	9.28	8.99	9.01
6237	NASDAQ	OSUR	Fri, Dec 16, 2016	9.40	9.53	9.19	9.20
6236	NASDAQ	OSUR	Thu, Dec 15, 2016	9.17	9.41	9.09	9.37
6235	NASDAQ	OSUR	Wed, Dec 14, 2016	9.14	9.30	9.02	9.17
6234	NASDAQ	OSUR	Tue, Dec 13, 2016	8.91	9.33	8.83	9.07
6233	NASDAQ	OSUR	Mon, Dec 12, 2016	8.77	8.89	8.64	8.88
6232	NASDAQ	OSUR	Fri, Dec 9, 2016	8.95	9.05	8.76	8.77
6231	NASDAQ	OSUR	Thu, Dec 8, 2016	8.84	8.98	8.74	8.90
6230	NASDAQ	OSUR	Wed, Dec 7, 2016	8.71	8.83	8.53	8.79
6229	NASDAQ	OSUR	Tue, Dec 6, 2016	8.75	8.75	8.51	8.71
6228	NASDAQ	OSUR	Mon, Dec 5, 2016	8.43	8.71	8.41	8.70
6227	NASDAQ	OSUR	Fri, Dec 2, 2016	8.50	8.65	8.21	8.37
6226	NASDAQ	OSUR	Thu, Dec 1, 2016	8.64	8.77	8.43	8.55
6225	NASDAQ	OSUR	Wed, Nov 30, 2016	8.55	8.60	8.37	8.43
6224	NASDAQ	OSUR	Tue, Nov 29, 2016	8.50	8.93	8.42	8.43
6223	NASDAQ	OSUR	Mon, Nov 28, 2016	8.87	8.94	8.42	8.44
6222	NASDAQ	OSUR	Fri, Nov 25, 2016	8.91	8.97	8.80	8.93
6221	NASDAQ	OSUR	Wed, Nov 23, 2016	8.89	9.04	8.80	8.87
6220	NASDAQ	OSUR	Tue, Nov 22, 2016	8.62	8.96	8.55	8.94
6219	NASDAQ	OSUR	Mon, Nov 21, 2016	8.67	8.79	8.54	8.60
6218	NASDAQ	OSUR	Fri, Nov 18, 2016	8.49	8.70	8.34	8.61
6217	NASDAQ	OSUR	Thu, Nov 17, 2016	8.25	8.59	8.23	8.49
6216	NASDAQ	OSUR	Wed, Nov 16, 2016	8.17	8.36	8.10	8.22
6215	NASDAQ	OSUR	Tue, Nov 15, 2016	8.15	8.24	8.01	8.17
6214	NASDAQ	OSUR	Mon, Nov 14, 2016	8.38	8.49	8.16	8.22
6213	NASDAQ	OSUR	Fri, Nov 11, 2016	8.02	8.33	7.84	8.31
6212	NASDAQ	OSUR	Thu, Nov 10, 2016	7.80	8.08	7.71	8.00
6211	NASDAQ	OSUR	Wed, Nov 9, 2016	7.34	7.67	7.28	7.67
6210	NASDAQ	OSUR	Tue, Nov 8, 2016	7.43	7.57	7.36	7.49
6209	NASDAQ	OSUR	Mon, Nov 7, 2016	7.23	7.49	7.15	7.42
6208	NASDAQ	OSUR	Fri, Nov 4, 2016	7.31	7.40	7.09	7.10
6207	NASDAQ	OSUR	Thu, Nov 3, 2016	8.00	8.00	7.21	7.31
6206	NASDAQ	OSUR	Wed, Nov 2, 2016	7.28	7.35	7.21	7.31
6205	NASDAQ	OSUR	Tue, Nov 1, 2016	7.51	7.58	7.26	7.32
6204	NASDAQ	OSUR	Mon, Oct 31, 2016	7.50	7.54	7.40	7.51
6203	NASDAQ	OSUR	Fri, Oct 28, 2016	7.54	7.61	7.49	7.50
6202	NASDAQ	OSUR	Thu, Oct 27, 2016	7.73	7.79	7.58	7.59
6201	NASDAQ	OSUR	Wed, Oct 26, 2016	7.73	7.82	7.64	7.65
6200	NASDAQ	OSUR	Tue, Oct 25, 2016	7.82	7.85	7.73	7.80
6199	NASDAQ	OSUR	Mon, Oct 24, 2016	7.76	7.84	7.71	7.83
6198	NASDAQ	OSUR	Fri, Oct 21, 2016	7.56	7.80	7.50	7.70
6197	NASDAQ	OSUR	Thu, Oct 20, 2016	7.74	7.84	7.63	7.63
6196	NASDAQ	OSUR	Wed, Oct 19, 2016	7.85	7.85	7.67	7.74
6195	NASDAQ	OSUR	Tue, Oct 18, 2016	7.81	7.88	7.73	7.81
6194	NASDAQ	OSUR	Mon, Oct 17, 2016	7.72	7.78	7.66	7.70
6193	NASDAQ	OSUR	Fri, Oct 14, 2016	7.83	7.98	7.70	7.71
6192	NASDAQ	OSUR	Thu, Oct 13, 2016	7.76	7.97	7.73	7.83
6191	NASDAQ	OSUR	Wed, Oct 12, 2016	7.80	7.91	7.77	7.80
6190	NASDAQ	OSUR	Tue, Oct 11, 2016	7.99	8.01	7.74	7.82
6189	NASDAQ	OSUR	Mon, Oct 10, 2016	8.01	8.19	8.00	8.02
6188	NASDAQ	OSUR	Fri, Oct 7, 2016	8.07	8.11	7.92	7.95
6187	NASDAQ	OSUR	Thu, Oct 6, 2016	8.03	8.15	7.99	8.07
6186	NASDAQ	OSUR	Wed, Oct 5, 2016	8.08	8.15	7.99	8.06
6185	NASDAQ	OSUR	Tue, Oct 4, 2016	8.03	8.15	8.01	8.01
6184	NASDAQ	OSUR	Mon, Oct 3, 2016	7.90	8.08	7.86	8.03
6183	NASDAQ	OSUR	Fri, Sep 30, 2016	7.95	7.99	7.80	7.97
6182	NASDAQ	OSUR	Thu, Sep 29, 2016	8.17	8.20	7.88	7.89
6181	NASDAQ	OSUR	Wed, Sep 28, 2016	8.20	8.22	8.12	8.15
6180	NASDAQ	OSUR	Tue, Sep 27, 2016	8.14	8.26	8.01	8.19
6179	NASDAQ	OSUR	Mon, Sep 26, 2016	8.25	8.28	8.14	8.14
6178	NASDAQ	OSUR	Fri, Sep 23, 2016	8.43	8.51	8.29	8.31
6177	NASDAQ	OSUR	Thu, Sep 22, 2016	8.45	8.59	8.06	8.49
6176	NASDAQ	OSUR	Wed, Sep 21, 2016	8.31	8.50	8.22	8.49
6175	NASDAQ	OSUR	Tue, Sep 20, 2016	8.46	8.55	8.34	8.35
6174	NASDAQ	OSUR	Mon, Sep 19, 2016	8.36	8.50	8.08	8.46
6173	NASDAQ	OSUR	Fri, Sep 16, 2016	8.66	8.87	8.58	8.65
6172	NASDAQ	OSUR	Thu, Sep 15, 2016	8.64	8.77	8.55	8.68
6171	NASDAQ	OSUR	Wed, Sep 14, 2016	8.65	8.66	8.49	8.60
6170	NASDAQ	OSUR	Tue, Sep 13, 2016	8.67	8.79	8.56	8.58
6169	NASDAQ	OSUR	Mon, Sep 12, 2016	8.49	8.75	8.31	8.73
6168	NASDAQ	OSUR	Fri, Sep 9, 2016	8.83	8.83	8.52	8.52
6167	NASDAQ	OSUR	Thu, Sep 8, 2016	8.72	9.05	8.71	8.94
6166	NASDAQ	OSUR	Wed, Sep 7, 2016	8.60	8.81	8.60	8.77
6165	NASDAQ	OSUR	Tue, Sep 6, 2016	8.81	8.82	8.51	8.64
6164	NASDAQ	OSUR	Fri, Sep 2, 2016	8.63	8.74	8.51	8.72
6163	NASDAQ	OSUR	Thu, Sep 1, 2016	8.57	8.63	8.42	8.56
6162	NASDAQ	OSUR	Wed, Aug 31, 2016	8.56	8.64	8.44	8.57
6161	NASDAQ	OSUR	Tue, Aug 30, 2016	8.83	8.86	8.43	8.58
6160	NASDAQ	OSUR	Mon, Aug 29, 2016	8.24	9.00	8.14	8.66
6159	NASDAQ	OSUR	Fri, Aug 26, 2016	7.75	8.09	7.72	7.85
6158	NASDAQ	OSUR	Thu, Aug 25, 2016	7.75	7.90	7.57	7.76
6157	NASDAQ	OSUR	Wed, Aug 24, 2016	7.48	8.20	7.42	7.74
6156	NASDAQ	OSUR	Tue, Aug 23, 2016	7.03	7.10	6.99	7.00
6155	NASDAQ	OSUR	Mon, Aug 22, 2016	6.89	7.00	6.87	6.99
6154	NASDAQ	OSUR	Fri, Aug 19, 2016	6.91	7.02	6.84	6.94
6153	NASDAQ	OSUR	Thu, Aug 18, 2016	6.98	7.07	6.91	6.93
6152	NASDAQ	OSUR	Wed, Aug 17, 2016	7.06	7.16	6.95	6.96
6151	NASDAQ	OSUR	Tue, Aug 16, 2016	7.00	7.13	7.00	7.03
6150	NASDAQ	OSUR	Mon, Aug 15, 2016	7.02	7.17	7.01	7.06
6149	NASDAQ	OSUR	Fri, Aug 12, 2016	7.05	7.13	6.92	6.97
6148	NASDAQ	OSUR	Thu, Aug 11, 2016	7.00	7.17	7.00	7.05
6147	NASDAQ	OSUR	Wed, Aug 10, 2016	7.23	7.25	7.01	7.05
6146	NASDAQ	OSUR	Tue, Aug 9, 2016	7.26	7.30	7.14	7.20
6145	NASDAQ	OSUR	Mon, Aug 8, 2016	7.28	7.32	7.18	7.24
6144	NASDAQ	OSUR	Fri, Aug 5, 2016	7.02	7.35	6.94	7.31
6143	NASDAQ	OSUR	Thu, Aug 4, 2016	6.95	7.24	6.87	6.98
6142	NASDAQ	OSUR	Wed, Aug 3, 2016	6.61	6.82	6.53	6.81
6141	NASDAQ	OSUR	Tue, Aug 2, 2016	6.77	6.82	6.57	6.67
6140	NASDAQ	OSUR	Mon, Aug 1, 2016	6.80	6.82	6.67	6.81
6139	NASDAQ	OSUR	Fri, Jul 29, 2016	6.62	6.84	6.43	6.82
6138	NASDAQ	OSUR	Thu, Jul 28, 2016	6.60	6.65	6.42	6.59
6137	NASDAQ	OSUR	Wed, Jul 27, 2016	6.51	6.66	6.43	6.63
6136	NASDAQ	OSUR	Tue, Jul 26, 2016	6.50	6.57	6.41	6.50
6135	NASDAQ	OSUR	Mon, Jul 25, 2016	6.46	6.55	6.39	6.51
6134	NASDAQ	OSUR	Fri, Jul 22, 2016	6.50	6.53	6.37	6.46
6133	NASDAQ	OSUR	Thu, Jul 21, 2016	6.48	6.62	6.45	6.49
6132	NASDAQ	OSUR	Wed, Jul 20, 2016	6.45	6.53	6.41	6.46
6131	NASDAQ	OSUR	Tue, Jul 19, 2016	6.44	6.56	6.40	6.45
6130	NASDAQ	OSUR	Mon, Jul 18, 2016	6.42	6.49	6.23	6.42
6129	NASDAQ	OSUR	Fri, Jul 15, 2016	6.52	6.59	6.42	6.46
6128	NASDAQ	OSUR	Thu, Jul 14, 2016	6.46	6.65	6.35	6.48
6127	NASDAQ	OSUR	Wed, Jul 13, 2016	6.65	6.69	6.41	6.47
6126	NASDAQ	OSUR	Tue, Jul 12, 2016	6.60	6.72	6.54	6.59
6125	NASDAQ	OSUR	Mon, Jul 11, 2016	6.50	6.57	6.39	6.56
6124	NASDAQ	OSUR	Fri, Jul 8, 2016	6.23	6.58	6.21	6.44
6123	NASDAQ	OSUR	Thu, Jul 7, 2016	6.26	6.41	6.14	6.20
6122	NASDAQ	OSUR	Wed, Jul 6, 2016	5.93	6.31	5.92	6.27
6121	NASDAQ	OSUR	Tue, Jul 5, 2016	6.10	6.16	5.89	5.97
6120	NASDAQ	OSUR	Fri, Jul 1, 2016	5.57	6.39	5.57	6.20
6119	NASDAQ	OSUR	Thu, Jun 30, 2016	7.06	7.19	5.81	5.91
6118	NASDAQ	OSUR	Wed, Jun 29, 2016	6.83	7.09	6.82	7.08
6117	NASDAQ	OSUR	Tue, Jun 28, 2016	6.60	6.83	6.60	6.73
6116	NASDAQ	OSUR	Mon, Jun 27, 2016	6.51	6.64	6.45	6.55
6115	NASDAQ	OSUR	Fri, Jun 24, 2016	6.57	6.74	6.44	6.61
6114	NASDAQ	OSUR	Thu, Jun 23, 2016	6.81	6.95	6.76	6.81
6113	NASDAQ	OSUR	Wed, Jun 22, 2016	6.90	6.93	6.63	6.77
6112	NASDAQ	OSUR	Tue, Jun 21, 2016	6.89	7.03	6.83	6.89
6111	NASDAQ	OSUR	Mon, Jun 20, 2016	7.00	7.02	6.86	6.87
6110	NASDAQ	OSUR	Fri, Jun 17, 2016	6.97	7.00	6.87	6.94
6109	NASDAQ	OSUR	Thu, Jun 16, 2016	6.98	7.05	6.80	6.95
6108	NASDAQ	OSUR	Wed, Jun 15, 2016	6.99	7.09	6.95	7.00
6107	NASDAQ	OSUR	Tue, Jun 14, 2016	6.74	7.05	6.74	6.99
6106	NASDAQ	OSUR	Mon, Jun 13, 2016	7.40	7.50	6.67	6.83
6105	NASDAQ	OSUR	Fri, Jun 10, 2016	7.84	7.89	7.72	7.78
6104	NASDAQ	OSUR	Thu, Jun 9, 2016	7.83	7.92	7.74	7.91
6103	NASDAQ	OSUR	Wed, Jun 8, 2016	7.87	7.90	7.69	7.83
6102	NASDAQ	OSUR	Tue, Jun 7, 2016	7.89	7.97	7.77	7.91
6101	NASDAQ	OSUR	Mon, Jun 6, 2016	7.81	7.99	7.76	7.90
6100	NASDAQ	OSUR	Fri, Jun 3, 2016	7.91	7.91	7.72	7.82
6099	NASDAQ	OSUR	Thu, Jun 2, 2016	7.85	7.97	7.80	7.91
6098	NASDAQ	OSUR	Wed, Jun 1, 2016	7.64	7.91	7.60	7.89
6097	NASDAQ	OSUR	Tue, May 31, 2016	7.51	7.71	7.51	7.68
6096	NASDAQ	OSUR	Fri, May 27, 2016	7.34	7.58	7.24	7.51
6095	NASDAQ	OSUR	Thu, May 26, 2016	7.31	7.38	7.20	7.34
6094	NASDAQ	OSUR	Wed, May 25, 2016	7.16	7.36	7.03	7.32
6093	NASDAQ	OSUR	Tue, May 24, 2016	7.00	7.17	6.94	7.17
6092	NASDAQ	OSUR	Mon, May 23, 2016	6.86	7.04	6.85	6.97
6091	NASDAQ	OSUR	Fri, May 20, 2016	6.71	7.03	6.71	6.84
6090	NASDAQ	OSUR	Thu, May 19, 2016	6.89	6.91	6.67	6.72
6089	NASDAQ	OSUR	Wed, May 18, 2016	6.70	7.04	6.65	6.91
6088	NASDAQ	OSUR	Tue, May 17, 2016	6.90	6.99	6.69	6.71
6087	NASDAQ	OSUR	Mon, May 16, 2016	6.68	6.98	6.68	6.93
6086	NASDAQ	OSUR	Fri, May 13, 2016	6.56	6.76	6.54	6.68
6085	NASDAQ	OSUR	Thu, May 12, 2016	6.78	6.96	6.54	6.56
6084	NASDAQ	OSUR	Wed, May 11, 2016	6.81	6.92	6.72	6.78
6083	NASDAQ	OSUR	Tue, May 10, 2016	6.73	6.96	6.71	6.84
6082	NASDAQ	OSUR	Mon, May 9, 2016	6.62	6.79	6.53	6.67
6081	NASDAQ	OSUR	Fri, May 6, 2016	6.50	6.90	6.46	6.64
6080	NASDAQ	OSUR	Thu, May 5, 2016	6.65	6.86	6.40	6.51
6079	NASDAQ	OSUR	Wed, May 4, 2016	6.94	7.07	6.76	6.85
6078	NASDAQ	OSUR	Tue, May 3, 2016	7.13	7.14	6.95	6.97
6077	NASDAQ	OSUR	Mon, May 2, 2016	7.22	7.37	7.09	7.16
6076	NASDAQ	OSUR	Fri, Apr 29, 2016	7.32	7.49	7.11	7.18
6075	NASDAQ	OSUR	Thu, Apr 28, 2016	7.22	7.49	7.22	7.37
6074	NASDAQ	OSUR	Wed, Apr 27, 2016	7.40	7.53	7.11	7.27
6073	NASDAQ	OSUR	Tue, Apr 26, 2016	7.33	7.49	7.11	7.40
6072	NASDAQ	OSUR	Mon, Apr 25, 2016	7.26	7.37	7.24	7.32
6071	NASDAQ	OSUR	Fri, Apr 22, 2016	7.48	7.51	7.25	7.29
6070	NASDAQ	OSUR	Thu, Apr 21, 2016	7.38	7.60	7.37	7.46
6069	NASDAQ	OSUR	Wed, Apr 20, 2016	7.22	7.44	7.19	7.38
6068	NASDAQ	OSUR	Tue, Apr 19, 2016	7.05	7.28	6.98	7.18
6067	NASDAQ	OSUR	Mon, Apr 18, 2016	7.10	7.20	6.99	7.04
6066	NASDAQ	OSUR	Fri, Apr 15, 2016	7.09	7.18	7.03	7.11
6065	NASDAQ	OSUR	Thu, Apr 14, 2016	7.11	7.21	7.01	7.15
6064	NASDAQ	OSUR	Wed, Apr 13, 2016	7.15	7.35	7.10	7.14
6063	NASDAQ	OSUR	Tue, Apr 12, 2016	6.98	7.16	6.91	7.09
6062	NASDAQ	OSUR	Mon, Apr 11, 2016	7.08	7.17	6.89	7.02
6061	NASDAQ	OSUR	Fri, Apr 8, 2016	7.20	7.22	7.03	7.07
6060	NASDAQ	OSUR	Thu, Apr 7, 2016	7.18	7.27	7.10	7.13
6059	NASDAQ	OSUR	Wed, Apr 6, 2016	7.10	7.22	7.03	7.21
6058	NASDAQ	OSUR	Tue, Apr 5, 2016	7.12	7.12	7.12	7.10
6057	NASDAQ	OSUR	Mon, Apr 4, 2016	7.14	7.24	7.00	7.12
6056	NASDAQ	OSUR	Fri, Apr 1, 2016	7.14	7.19	7.02	7.18
6055	NASDAQ	OSUR	Thu, Mar 31, 2016	7.19	7.32	7.06	7.20
6054	NASDAQ	OSUR	Wed, Mar 30, 2016	7.06	7.25	7.01	7.20
6053	NASDAQ	OSUR	Tue, Mar 29, 2016	6.81	7.13	6.79	6.81
6052	NASDAQ	OSUR	Mon, Mar 28, 2016	6.85	6.93	6.75	6.81
6051	NASDAQ	OSUR	Thu, Mar 24, 2016	6.82	6.82	6.82	6.85
6050	NASDAQ	OSUR	Wed, Mar 23, 2016	7.35	7.39	6.81	6.82
6049	NASDAQ	OSUR	Tue, Mar 22, 2016	7.27	7.39	7.16	7.39
6048	NASDAQ	OSUR	Mon, Mar 21, 2016	7.34	7.36	7.18	7.27
6047	NASDAQ	OSUR	Fri, Mar 18, 2016	6.85	7.39	6.77	7.37
6046	NASDAQ	OSUR	Thu, Mar 17, 2016	6.66	6.79	6.51	6.78
6045	NASDAQ	OSUR	Wed, Mar 16, 2016	6.79	6.97	6.68	6.69
6044	NASDAQ	OSUR	Tue, Mar 15, 2016	6.86	6.86	6.86	6.80
6043	NASDAQ	OSUR	Mon, Mar 14, 2016	6.89	6.97	6.81	6.86
6042	NASDAQ	OSUR	Fri, Mar 11, 2016	7.01	7.09	6.83	6.93
6041	NASDAQ	OSUR	Thu, Mar 10, 2016	6.85	7.14	6.84	6.83
6040	NASDAQ	OSUR	Wed, Mar 9, 2016	6.84	6.84	6.84	6.83
6039	NASDAQ	OSUR	Tue, Mar 8, 2016	7.20	7.22	6.81	7.17
6038	NASDAQ	OSUR	Mon, Mar 7, 2016	6.88	7.27	6.83	7.17
6037	NASDAQ	OSUR	Fri, Mar 4, 2016	6.96	6.96	6.96	6.96
6036	NASDAQ	OSUR	Thu, Mar 3, 2016	6.77	6.77	6.77	6.96
6035	NASDAQ	OSUR	Wed, Mar 2, 2016	6.56	6.77	6.55	6.61
6034	NASDAQ	OSUR	Tue, Mar 1, 2016	6.71	6.71	6.71	6.61
6033	NASDAQ	OSUR	Mon, Feb 29, 2016	6.74	6.78	6.62	6.71
6032	NASDAQ	OSUR	Fri, Feb 26, 2016	6.59	6.79	6.53	6.68
6031	NASDAQ	OSUR	Thu, Feb 25, 2016	6.55	6.64	6.38	6.56
6030	NASDAQ	OSUR	Wed, Feb 24, 2016	6.39	6.55	6.31	6.54
6029	NASDAQ	OSUR	Tue, Feb 23, 2016	6.27	6.58	6.25	6.44
6028	NASDAQ	OSUR	Mon, Feb 22, 2016	6.27	6.35	6.20	6.25
6027	NASDAQ	OSUR	Fri, Feb 19, 2016	6.24	6.36	6.16	6.23
6026	NASDAQ	OSUR	Thu, Feb 18, 2016	6.35	6.46	6.21	6.31
6025	NASDAQ	OSUR	Wed, Feb 17, 2016	6.45	6.54	6.33	6.38
6024	NASDAQ	OSUR	Tue, Feb 16, 2016	6.34	6.43	6.27	6.37
6023	NASDAQ	OSUR	Fri, Feb 12, 2016	6.33	6.48	6.20	6.27
6022	NASDAQ	OSUR	Thu, Feb 11, 2016	6.20	6.39	6.11	6.26
6021	NASDAQ	OSUR	Wed, Feb 10, 2016	6.58	6.75	6.28	6.29
6020	NASDAQ	OSUR	Tue, Feb 9, 2016	6.38	6.69	6.16	6.56
6019	NASDAQ	OSUR	Mon, Feb 8, 2016	6.03	6.46	5.95	6.44
6018	NASDAQ	OSUR	Fri, Feb 5, 2016	6.22	6.29	5.90	6.06
6017	NASDAQ	OSUR	Thu, Feb 4, 2016	6.68	6.77	6.01	6.18
6016	NASDAQ	OSUR	Wed, Feb 3, 2016	5.42	5.50	5.20	5.50
6015	NASDAQ	OSUR	Tue, Feb 2, 2016	5.30	5.41	5.25	5.39
6014	NASDAQ	OSUR	Mon, Feb 1, 2016	5.45	5.45	5.29	5.35
6013	NASDAQ	OSUR	Fri, Jan 29, 2016	5.21	5.50	5.21	5.47
6012	NASDAQ	OSUR	Thu, Jan 28, 2016	5.50	5.60	5.09	5.18
6011	NASDAQ	OSUR	Wed, Jan 27, 2016	5.62	5.74	5.45	5.47
6010	NASDAQ	OSUR	Tue, Jan 26, 2016	5.61	5.76	5.46	5.68
6009	NASDAQ	OSUR	Mon, Jan 25, 2016	5.60	5.74	5.60	5.61
6008	NASDAQ	OSUR	Fri, Jan 22, 2016	5.68	5.73	5.55	5.67
6007	NASDAQ	OSUR	Thu, Jan 21, 2016	5.64	5.72	5.49	5.59
6006	NASDAQ	OSUR	Wed, Jan 20, 2016	5.56	5.69	5.25	5.61
6005	NASDAQ	OSUR	Tue, Jan 19, 2016	5.79	5.87	5.52	5.66
6004	NASDAQ	OSUR	Fri, Jan 15, 2016	5.53	5.80	5.42	5.75
6003	NASDAQ	OSUR	Thu, Jan 14, 2016	5.62	5.81	5.54	5.73
6002	NASDAQ	OSUR	Wed, Jan 13, 2016	5.93	6.04	5.61	5.63
6001	NASDAQ	OSUR	Tue, Jan 12, 2016	5.89	6.02	5.80	5.92
6000	NASDAQ	OSUR	Mon, Jan 11, 2016	6.04	6.11	5.80	5.86
5999	NASDAQ	OSUR	Fri, Jan 8, 2016	5.93	6.17	5.93	6.04
5998	NASDAQ	OSUR	Thu, Jan 7, 2016	6.26	6.26	5.92	5.93
5997	NASDAQ	OSUR	Wed, Jan 6, 2016	6.37	6.56	6.33	6.37
5996	NASDAQ	OSUR	Tue, Jan 5, 2016	6.35	6.58	6.30	6.44
5995	NASDAQ	OSUR	Mon, Jan 4, 2016	6.35	6.43	5.98	6.35
5994	NASDAQ	OSUR	Thu, Dec 31, 2015	6.54	6.55	6.42	6.44
5993	NASDAQ	OSUR	Wed, Dec 30, 2015	6.61	6.70	6.53	6.55
5992	NASDAQ	OSUR	Tue, Dec 29, 2015	6.58	6.80	6.56	6.65
5991	NASDAQ	OSUR	Mon, Dec 28, 2015	6.78	6.78	6.52	6.54
5990	NASDAQ	OSUR	Thu, Dec 24, 2015	6.67	6.86	6.67	6.75
5989	NASDAQ	OSUR	Wed, Dec 23, 2015	6.80	6.86	6.62	6.69
5988	NASDAQ	OSUR	Tue, Dec 22, 2015	6.75	6.79	6.59	6.78
5987	NASDAQ	OSUR	Mon, Dec 21, 2015	6.72	6.75	6.42	6.71
5986	NASDAQ	OSUR	Fri, Dec 18, 2015	6.83	6.99	6.69	6.70
5985	NASDAQ	OSUR	Thu, Dec 17, 2015	6.75	6.94	6.71	6.87
5984	NASDAQ	OSUR	Wed, Dec 16, 2015	6.80	6.87	6.60	6.71
5983	NASDAQ	OSUR	Tue, Dec 15, 2015	6.50	6.80	6.45	6.73
5982	NASDAQ	OSUR	Mon, Dec 14, 2015	6.21	6.50	6.13	6.46
5981	NASDAQ	OSUR	Fri, Dec 11, 2015	6.16	6.27	6.12	6.19
5980	NASDAQ	OSUR	Thu, Dec 10, 2015	6.23	6.32	6.02	6.28
5979	NASDAQ	OSUR	Wed, Dec 9, 2015	6.27	6.38	6.21	6.25
5978	NASDAQ	OSUR	Tue, Dec 8, 2015	6.21	6.36	6.19	6.27
5977	NASDAQ	OSUR	Mon, Dec 7, 2015	6.35	6.47	6.21	6.25
5976	NASDAQ	OSUR	Fri, Dec 4, 2015	6.24	6.54	6.22	6.38
5975	NASDAQ	OSUR	Thu, Dec 3, 2015	6.31	6.45	6.16	6.21
5974	NASDAQ	OSUR	Wed, Dec 2, 2015	6.28	6.47	6.22	6.30
5973	NASDAQ	OSUR	Tue, Dec 1, 2015	6.28	6.33	6.22	6.26
5972	NASDAQ	OSUR	Mon, Nov 30, 2015	6.26	6.38	6.21	6.25
5971	NASDAQ	OSUR	Fri, Nov 27, 2015	6.20	6.34	6.19	6.25
5970	NASDAQ	OSUR	Wed, Nov 25, 2015	6.07	6.30	6.01	6.22
5969	NASDAQ	OSUR	Tue, Nov 24, 2015	6.19	6.29	6.06	6.09
5968	NASDAQ	OSUR	Mon, Nov 23, 2015	6.09	6.38	6.06	6.23
5967	NASDAQ	OSUR	Fri, Nov 20, 2015	6.22	6.28	6.07	6.08
5966	NASDAQ	OSUR	Thu, Nov 19, 2015	6.11	6.27	5.97	6.18
5965	NASDAQ	OSUR	Wed, Nov 18, 2015	5.95	6.13	5.93	6.09
5964	NASDAQ	OSUR	Tue, Nov 17, 2015	5.87	6.02	5.75	5.96
5963	NASDAQ	OSUR	Mon, Nov 16, 2015	5.84	6.08	5.83	5.86
5962	NASDAQ	OSUR	Fri, Nov 13, 2015	5.64	5.94	5.58	5.87
5961	NASDAQ	OSUR	Thu, Nov 12, 2015	5.76	5.87	5.63	5.68
5960	NASDAQ	OSUR	Wed, Nov 11, 2015	6.04	6.04	5.79	5.80
5959	NASDAQ	OSUR	Tue, Nov 10, 2015	5.84	6.04	5.75	6.00
5958	NASDAQ	OSUR	Mon, Nov 9, 2015	5.92	5.96	5.78	5.85
5957	NASDAQ	OSUR	Fri, Nov 6, 2015	5.26	5.96	5.26	5.92
5956	NASDAQ	OSUR	Thu, Nov 5, 2015	5.37	5.59	5.08	5.25
5955	NASDAQ	OSUR	Wed, Nov 4, 2015	5.23	5.32	5.19	5.30
5954	NASDAQ	OSUR	Tue, Nov 3, 2015	5.21	5.40	5.21	5.23
5953	NASDAQ	OSUR	Mon, Nov 2, 2015	5.21	5.32	5.17	5.25
5952	NASDAQ	OSUR	Fri, Oct 30, 2015	5.05	5.29	5.04	5.20
5951	NASDAQ	OSUR	Thu, Oct 29, 2015	5.29	5.33	5.02	5.05
5950	NASDAQ	OSUR	Wed, Oct 28, 2015	4.98	5.30	4.88	5.29
5949	NASDAQ	OSUR	Tue, Oct 27, 2015	5.13	5.13	4.81	4.95
5948	NASDAQ	OSUR	Mon, Oct 26, 2015	4.88	5.17	4.82	5.16
5947	NASDAQ	OSUR	Fri, Oct 23, 2015	4.84	4.96	4.77	4.91
5946	NASDAQ	OSUR	Thu, Oct 22, 2015	4.82	4.98	4.77	4.78
5945	NASDAQ	OSUR	Wed, Oct 21, 2015	4.99	4.99	4.77	4.81
5944	NASDAQ	OSUR	Tue, Oct 20, 2015	4.90	5.04	4.85	4.97
5943	NASDAQ	OSUR	Mon, Oct 19, 2015	4.82	5.00	4.75	4.91
5942	NASDAQ	OSUR	Fri, Oct 16, 2015	4.75	4.94	4.73	4.83
5941	NASDAQ	OSUR	Thu, Oct 15, 2015	4.53	4.73	4.52	4.73
5940	NASDAQ	OSUR	Wed, Oct 14, 2015	4.52	4.59	4.46	4.54
5939	NASDAQ	OSUR	Tue, Oct 13, 2015	4.47	4.58	4.42	4.49
5938	NASDAQ	OSUR	Mon, Oct 12, 2015	4.52	4.57	4.40	4.49
5937	NASDAQ	OSUR	Fri, Oct 9, 2015	4.49	4.62	4.42	4.54
5936	NASDAQ	OSUR	Thu, Oct 8, 2015	4.57	4.64	4.41	4.48
5935	NASDAQ	OSUR	Wed, Oct 7, 2015	4.51	4.69	4.49	4.59
5934	NASDAQ	OSUR	Tue, Oct 6, 2015	4.69	4.78	4.48	4.50
5933	NASDAQ	OSUR	Mon, Oct 5, 2015	4.74	4.87	4.67	4.71
5932	NASDAQ	OSUR	Fri, Oct 2, 2015	4.59	4.71	4.53	4.71
5931	NASDAQ	OSUR	Thu, Oct 1, 2015	4.45	4.68	4.41	4.64
5930	NASDAQ	OSUR	Wed, Sep 30, 2015	4.77	4.83	4.39	4.44
5929	NASDAQ	OSUR	Tue, Sep 29, 2015	4.81	5.05	4.66	4.69
5928	NASDAQ	OSUR	Mon, Sep 28, 2015	5.03	5.03	4.60	4.83
5927	NASDAQ	OSUR	Fri, Sep 25, 2015	5.48	5.53	4.98	5.04
5926	NASDAQ	OSUR	Thu, Sep 24, 2015	5.12	5.47	5.12	5.45
5925	NASDAQ	OSUR	Wed, Sep 23, 2015	5.26	5.42	5.13	5.15
5924	NASDAQ	OSUR	Tue, Sep 22, 2015	5.10	5.33	5.01	5.27
5923	NASDAQ	OSUR	Mon, Sep 21, 2015	5.14	5.28	5.01	5.18
5922	NASDAQ	OSUR	Fri, Sep 18, 2015	5.17	5.35	5.04	5.07
5921	NASDAQ	OSUR	Thu, Sep 17, 2015	5.10	5.33	5.10	5.27
5920	NASDAQ	OSUR	Wed, Sep 16, 2015	5.13	5.31	5.05	5.14
5919	NASDAQ	OSUR	Tue, Sep 15, 2015	5.00	5.16	4.95	5.16
5918	NASDAQ	OSUR	Mon, Sep 14, 2015	5.12	5.19	4.97	5.00
5917	NASDAQ	OSUR	Fri, Sep 11, 2015	5.08	5.13	4.91	5.13
5916	NASDAQ	OSUR	Thu, Sep 10, 2015	5.18	5.21	5.03	5.13
5915	NASDAQ	OSUR	Wed, Sep 9, 2015	5.35	5.43	5.15	5.18
5914	NASDAQ	OSUR	Tue, Sep 8, 2015	5.21	5.35	5.10	5.34
5913	NASDAQ	OSUR	Fri, Sep 4, 2015	5.17	5.24	5.12	5.15
5912	NASDAQ	OSUR	Thu, Sep 3, 2015	5.38	5.55	5.22	5.23
5911	NASDAQ	OSUR	Wed, Sep 2, 2015	5.39	5.47	5.31	5.39
5910	NASDAQ	OSUR	Tue, Sep 1, 2015	5.27	5.45	5.25	5.32
5909	NASDAQ	OSUR	Mon, Aug 31, 2015	5.38	5.55	5.38	5.40
5908	NASDAQ	OSUR	Fri, Aug 28, 2015	5.23	5.49	5.23	5.37
5907	NASDAQ	OSUR	Thu, Aug 27, 2015	5.11	5.36	5.03	5.25
5906	NASDAQ	OSUR	Wed, Aug 26, 2015	5.24	5.24	5.01	5.05
5905	NASDAQ	OSUR	Tue, Aug 25, 2015	5.38	5.41	5.06	5.07
5904	NASDAQ	OSUR	Mon, Aug 24, 2015	5.15	5.38	5.10	5.17
5903	NASDAQ	OSUR	Fri, Aug 21, 2015	5.37	5.54	5.34	5.41
5902	NASDAQ	OSUR	Thu, Aug 20, 2015	5.74	5.74	5.48	5.48
5901	NASDAQ	OSUR	Wed, Aug 19, 2015	5.74	5.95	5.71	5.78
5900	NASDAQ	OSUR	Tue, Aug 18, 2015	5.69	5.87	5.64	5.79
5899	NASDAQ	OSUR	Mon, Aug 17, 2015	5.52	5.74	5.47	5.72
5898	NASDAQ	OSUR	Fri, Aug 14, 2015	5.43	5.58	5.36	5.45
5897	NASDAQ	OSUR	Thu, Aug 13, 2015	5.58	5.64	5.43	5.47
5896	NASDAQ	OSUR	Wed, Aug 12, 2015	5.50	5.67	5.40	5.60
5895	NASDAQ	OSUR	Tue, Aug 11, 2015	5.56	5.69	5.51	5.54
5894	NASDAQ	OSUR	Mon, Aug 10, 2015	5.17	5.66	5.15	5.66
5893	NASDAQ	OSUR	Fri, Aug 7, 2015	5.22	5.39	5.01	5.16
5892	NASDAQ	OSUR	Thu, Aug 6, 2015	5.11	5.57	5.07	5.35
5891	NASDAQ	OSUR	Wed, Aug 5, 2015	5.00	5.10	4.95	5.02
5890	NASDAQ	OSUR	Tue, Aug 4, 2015	4.95	5.06	4.93	5.00
5889	NASDAQ	OSUR	Mon, Aug 3, 2015	5.05	5.14	4.92	4.96
5888	NASDAQ	OSUR	Fri, Jul 31, 2015	5.03	5.03	4.85	4.94
5887	NASDAQ	OSUR	Thu, Jul 30, 2015	5.01	5.16	4.96	5.06
5886	NASDAQ	OSUR	Wed, Jul 29, 2015	5.28	5.30	5.01	5.06
5885	NASDAQ	OSUR	Tue, Jul 28, 2015	4.97	5.25	4.83	5.24
5884	NASDAQ	OSUR	Mon, Jul 27, 2015	5.04	5.04	4.75	4.89
5883	NASDAQ	OSUR	Fri, Jul 24, 2015	5.26	5.27	5.03	5.04
5882	NASDAQ	OSUR	Thu, Jul 23, 2015	5.25	5.35	5.17	5.25
5881	NASDAQ	OSUR	Wed, Jul 22, 2015	5.17	5.25	5.07	5.20
5880	NASDAQ	OSUR	Tue, Jul 21, 2015	5.27	5.37	5.12	5.17
5879	NASDAQ	OSUR	Mon, Jul 20, 2015	5.37	5.43	5.25	5.30
5878	NASDAQ	OSUR	Fri, Jul 17, 2015	5.33	5.46	5.29	5.37
5877	NASDAQ	OSUR	Thu, Jul 16, 2015	5.32	5.42	5.28	5.32
5876	NASDAQ	OSUR	Wed, Jul 15, 2015	5.32	5.34	5.20	5.24
5875	NASDAQ	OSUR	Tue, Jul 14, 2015	5.35	5.44	5.32	5.33
5874	NASDAQ	OSUR	Mon, Jul 13, 2015	5.17	5.35	5.16	5.35
5873	NASDAQ	OSUR	Fri, Jul 10, 2015	5.20	5.40	5.13	5.15
5872	NASDAQ	OSUR	Thu, Jul 9, 2015	5.08	5.22	5.02	5.15
5871	NASDAQ	OSUR	Wed, Jul 8, 2015	5.14	5.21	4.99	5.04
5870	NASDAQ	OSUR	Tue, Jul 7, 2015	4.98	5.19	4.93	5.19
5869	NASDAQ	OSUR	Mon, Jul 6, 2015	5.06	5.10	4.71	4.92
5868	NASDAQ	OSUR	Thu, Jul 2, 2015	5.36	5.40	5.10	5.14
5867	NASDAQ	OSUR	Wed, Jul 1, 2015	5.44	5.57	5.32	5.37
5866	NASDAQ	OSUR	Tue, Jun 30, 2015	5.43	5.48	5.37	5.39
5865	NASDAQ	OSUR	Mon, Jun 29, 2015	5.50	5.57	5.38	5.41
5864	NASDAQ	OSUR	Fri, Jun 26, 2015	5.64	5.67	5.45	5.58
5863	NASDAQ	OSUR	Thu, Jun 25, 2015	5.79	5.83	5.53	5.64
5862	NASDAQ	OSUR	Wed, Jun 24, 2015	5.80	5.89	5.76	5.79
5861	NASDAQ	OSUR	Tue, Jun 23, 2015	5.81	5.93	5.80	5.83
5860	NASDAQ	OSUR	Mon, Jun 22, 2015	6.00	6.06	5.81	5.83
5859	NASDAQ	OSUR	Fri, Jun 19, 2015	5.94	6.04	5.93	6.01
5858	NASDAQ	OSUR	Thu, Jun 18, 2015	5.80	6.01	5.75	5.95
5857	NASDAQ	OSUR	Wed, Jun 17, 2015	5.69	5.85	5.64	5.75
5856	NASDAQ	OSUR	Tue, Jun 16, 2015	5.67	5.79	5.60	5.65
5855	NASDAQ	OSUR	Mon, Jun 15, 2015	5.63	5.69	5.44	5.68
5854	NASDAQ	OSUR	Fri, Jun 12, 2015	6.01	6.06	5.59	5.69
5853	NASDAQ	OSUR	Thu, Jun 11, 2015	5.60	5.84	5.56	5.80
5852	NASDAQ	OSUR	Wed, Jun 10, 2015	5.63	5.71	5.56	5.64
5851	NASDAQ	OSUR	Tue, Jun 9, 2015	5.67	5.77	5.57	5.62
5850	NASDAQ	OSUR	Mon, Jun 8, 2015	5.77	5.80	5.53	5.68
5849	NASDAQ	OSUR	Fri, Jun 5, 2015	5.89	5.91	5.52	5.80
5848	NASDAQ	OSUR	Thu, Jun 4, 2015	6.02	6.04	5.82	5.95
5847	NASDAQ	OSUR	Wed, Jun 3, 2015	6.14	6.15	5.88	6.05
5846	NASDAQ	OSUR	Tue, Jun 2, 2015	6.15	6.20	6.05	6.15
5845	NASDAQ	OSUR	Mon, Jun 1, 2015	6.26	6.37	6.06	6.18
5844	NASDAQ	OSUR	Fri, May 29, 2015	6.32	6.34	6.15	6.19
5843	NASDAQ	OSUR	Thu, May 28, 2015	6.62	6.67	6.25	6.31
5842	NASDAQ	OSUR	Wed, May 27, 2015	7.05	7.08	6.48	6.63
5841	NASDAQ	OSUR	Tue, May 26, 2015	6.78	7.00	6.70	6.76
5840	NASDAQ	OSUR	Fri, May 22, 2015	6.44	6.71	6.41	6.60
5839	NASDAQ	OSUR	Thu, May 21, 2015	6.28	6.48	6.25	6.42
5838	NASDAQ	OSUR	Wed, May 20, 2015	6.35	6.55	6.14	6.30
5837	NASDAQ	OSUR	Tue, May 19, 2015	7.64	7.64	6.33	6.44
5836	NASDAQ	OSUR	Mon, May 18, 2015	6.85	7.59	6.40	7.41
5835	NASDAQ	OSUR	Fri, May 15, 2015	6.10	6.43	5.81	5.98
5834	NASDAQ	OSUR	Thu, May 14, 2015	5.30	5.50	5.16	5.49
5833	NASDAQ	OSUR	Wed, May 13, 2015	5.32	5.33	5.19	5.26
5832	NASDAQ	OSUR	Tue, May 12, 2015	5.37	5.51	5.24	5.28
5831	NASDAQ	OSUR	Mon, May 11, 2015	5.50	5.66	5.40	5.41
5830	NASDAQ	OSUR	Fri, May 8, 2015	5.67	5.68	5.43	5.50
5829	NASDAQ	OSUR	Thu, May 7, 2015	5.39	5.84	4.42	5.33
5828	NASDAQ	OSUR	Wed, May 6, 2015	6.03	6.28	5.89	6.16
5827	NASDAQ	OSUR	Tue, May 5, 2015	6.22	6.35	5.99	6.08
5826	NASDAQ	OSUR	Mon, May 4, 2015	6.40	6.53	6.22	6.27
5825	NASDAQ	OSUR	Fri, May 1, 2015	6.32	6.65	6.26	6.38
5824	NASDAQ	OSUR	Thu, Apr 30, 2015	6.50	6.68	6.20	6.30
5823	NASDAQ	OSUR	Wed, Apr 29, 2015	6.54	6.72	6.49	6.56
5822	NASDAQ	OSUR	Tue, Apr 28, 2015	6.64	6.71	6.39	6.62
5821	NASDAQ	OSUR	Mon, Apr 27, 2015	6.76	6.92	6.55	6.63
5820	NASDAQ	OSUR	Fri, Apr 24, 2015	6.78	6.94	6.68	6.71
5819	NASDAQ	OSUR	Thu, Apr 23, 2015	6.70	6.83	6.63	6.80
5818	NASDAQ	OSUR	Wed, Apr 22, 2015	6.75	6.82	6.63	6.75
5817	NASDAQ	OSUR	Tue, Apr 21, 2015	6.84	6.88	6.66	6.78
5816	NASDAQ	OSUR	Mon, Apr 20, 2015	6.59	6.87	6.50	6.81
5815	NASDAQ	OSUR	Fri, Apr 17, 2015	6.65	6.83	6.49	6.52
5814	NASDAQ	OSUR	Thu, Apr 16, 2015	6.73	6.88	6.64	6.71
5813	NASDAQ	OSUR	Wed, Apr 15, 2015	6.73	6.76	6.57	6.74
5812	NASDAQ	OSUR	Tue, Apr 14, 2015	6.82	6.90	6.65	6.66
5811	NASDAQ	OSUR	Mon, Apr 13, 2015	6.78	6.94	6.78	6.81
5810	NASDAQ	OSUR	Fri, Apr 10, 2015	6.84	6.88	6.73	6.80
5809	NASDAQ	OSUR	Thu, Apr 9, 2015	6.75	6.81	6.57	6.79
5808	NASDAQ	OSUR	Wed, Apr 8, 2015	6.68	6.88	6.64	6.74
5807	NASDAQ	OSUR	Tue, Apr 7, 2015	6.56	6.68	6.38	6.64
5806	NASDAQ	OSUR	Mon, Apr 6, 2015	6.49	6.69	6.49	6.58
5805	NASDAQ	OSUR	Thu, Apr 2, 2015	6.50	6.66	6.41	6.56
5804	NASDAQ	OSUR	Wed, Apr 1, 2015	6.50	6.63	6.41	6.47
5803	NASDAQ	OSUR	Tue, Mar 31, 2015	6.37	6.68	6.35	6.54
5802	NASDAQ	OSUR	Mon, Mar 30, 2015	6.25	6.52	6.16	6.42
5801	NASDAQ	OSUR	Fri, Mar 27, 2015	6.48	6.55	6.11	6.19
5800	NASDAQ	OSUR	Thu, Mar 26, 2015	6.30	6.55	6.28	6.48
5799	NASDAQ	OSUR	Wed, Mar 25, 2015	6.67	6.75	6.10	6.29
5798	NASDAQ	OSUR	Tue, Mar 24, 2015	6.86	6.92	6.55	6.67
5797	NASDAQ	OSUR	Mon, Mar 23, 2015	7.26	7.27	6.82	6.84
5796	NASDAQ	OSUR	Fri, Mar 20, 2015	7.26	7.42	7.22	7.30
5795	NASDAQ	OSUR	Thu, Mar 19, 2015	7.04	7.33	7.04	7.22
5794	NASDAQ	OSUR	Wed, Mar 18, 2015	7.15	7.15	6.92	7.05
5793	NASDAQ	OSUR	Tue, Mar 17, 2015	7.15	7.24	7.05	7.16
5792	NASDAQ	OSUR	Mon, Mar 16, 2015	7.42	7.44	7.09	7.20
5791	NASDAQ	OSUR	Fri, Mar 13, 2015	7.66	7.68	7.25	7.35
5790	NASDAQ	OSUR	Thu, Mar 12, 2015	7.45	7.68	7.41	7.67
5789	NASDAQ	OSUR	Wed, Mar 11, 2015	7.35	7.51	7.26	7.36
5788	NASDAQ	OSUR	Tue, Mar 10, 2015	7.26	7.44	7.24	7.31
5787	NASDAQ	OSUR	Mon, Mar 9, 2015	7.18	7.35	7.07	7.30
5786	NASDAQ	OSUR	Fri, Mar 6, 2015	7.03	7.24	6.98	7.17
5785	NASDAQ	OSUR	Thu, Mar 5, 2015	7.17	7.42	6.99	7.11
5784	NASDAQ	OSUR	Wed, Mar 4, 2015	7.16	7.26	6.88	7.13
5783	NASDAQ	OSUR	Tue, Mar 3, 2015	7.30	7.41	7.08	7.18
5782	NASDAQ	OSUR	Mon, Mar 2, 2015	7.13	7.42	7.13	7.31
5781	NASDAQ	OSUR	Fri, Feb 27, 2015	7.42	7.68	7.15	7.16
5780	NASDAQ	OSUR	Thu, Feb 26, 2015	7.59	7.76	7.38	7.45
5779	NASDAQ	OSUR	Wed, Feb 25, 2015	7.68	7.76	7.57	7.62
5778	NASDAQ	OSUR	Tue, Feb 24, 2015	7.78	7.84	7.53	7.70
5777	NASDAQ	OSUR	Mon, Feb 23, 2015	7.84	7.93	7.54	7.78
5776	NASDAQ	OSUR	Fri, Feb 20, 2015	7.61	7.90	7.53	7.84
5775	NASDAQ	OSUR	Thu, Feb 19, 2015	7.78	7.92	7.58	7.59
5774	NASDAQ	OSUR	Wed, Feb 18, 2015	7.85	7.95	7.72	7.82
5773	NASDAQ	OSUR	Tue, Feb 17, 2015	8.12	8.20	7.86	7.87
5772	NASDAQ	OSUR	Fri, Feb 13, 2015	8.10	8.16	8.02	8.13
5771	NASDAQ	OSUR	Thu, Feb 12, 2015	7.91	8.08	7.85	8.07
5770	NASDAQ	OSUR	Wed, Feb 11, 2015	7.85	8.05	7.80	7.92
5769	NASDAQ	OSUR	Tue, Feb 10, 2015	7.81	8.00	7.70	7.85
5768	NASDAQ	OSUR	Mon, Feb 9, 2015	8.08	8.19	7.60	7.70
5767	NASDAQ	OSUR	Fri, Feb 6, 2015	8.33	8.72	7.97	8.12
5766	NASDAQ	OSUR	Thu, Feb 5, 2015	8.79	8.89	7.85	8.29
5765	NASDAQ	OSUR	Wed, Feb 4, 2015	9.33	9.47	9.14	9.29
5764	NASDAQ	OSUR	Tue, Feb 3, 2015	9.34	9.42	9.19	9.41
5763	NASDAQ	OSUR	Mon, Feb 2, 2015	9.18	9.32	8.94	9.28
5762	NASDAQ	OSUR	Fri, Jan 30, 2015	9.64	9.79	9.16	9.19
5761	NASDAQ	OSUR	Thu, Jan 29, 2015	9.70	9.90	9.56	9.77
5760	NASDAQ	OSUR	Wed, Jan 28, 2015	9.98	10.02	9.54	9.66
5759	NASDAQ	OSUR	Tue, Jan 27, 2015	9.87	10.09	9.79	9.90
5758	NASDAQ	OSUR	Mon, Jan 26, 2015	9.87	10.19	9.78	10.03
5757	NASDAQ	OSUR	Fri, Jan 23, 2015	9.73	9.92	9.64	9.87
5756	NASDAQ	OSUR	Thu, Jan 22, 2015	9.54	9.81	9.13	9.70
5755	NASDAQ	OSUR	Wed, Jan 21, 2015	9.95	9.95	9.34	9.42
5754	NASDAQ	OSUR	Tue, Jan 20, 2015	10.19	10.23	9.93	9.95
5753	NASDAQ	OSUR	Fri, Jan 16, 2015	9.82	10.16	9.82	10.13
5752	NASDAQ	OSUR	Thu, Jan 15, 2015	10.57	10.57	9.81	9.85
5751	NASDAQ	OSUR	Wed, Jan 14, 2015	10.23	10.58	10.23	10.52
5750	NASDAQ	OSUR	Tue, Jan 13, 2015	10.50	10.62	10.26	10.37
5749	NASDAQ	OSUR	Mon, Jan 12, 2015	10.37	10.41	10.25	10.37
5748	NASDAQ	OSUR	Fri, Jan 9, 2015	10.50	10.56	10.27	10.32
5747	NASDAQ	OSUR	Thu, Jan 8, 2015	10.38	10.52	10.20	10.47
5746	NASDAQ	OSUR	Wed, Jan 7, 2015	9.89	10.41	9.82	10.22
5745	NASDAQ	OSUR	Tue, Jan 6, 2015	10.09	10.14	9.60	9.78
5744	NASDAQ	OSUR	Mon, Jan 5, 2015	9.85	10.27	9.85	10.07
5743	NASDAQ	OSUR	Fri, Jan 2, 2015	10.17	10.35	9.85	9.95
5742	NASDAQ	OSUR	Wed, Dec 31, 2014	10.40	10.40	10.10	10.14
5741	NASDAQ	OSUR	Tue, Dec 30, 2014	10.21	10.30	10.13	10.17
5740	NASDAQ	OSUR	Mon, Dec 29, 2014	10.32	10.40	10.11	10.27
5739	NASDAQ	OSUR	Fri, Dec 26, 2014	10.34	10.44	10.23	10.28
5738	NASDAQ	OSUR	Wed, Dec 24, 2014	10.04	10.32	10.04	10.26
5737	NASDAQ	OSUR	Tue, Dec 23, 2014	10.55	10.55	9.89	10.01
5736	NASDAQ	OSUR	Mon, Dec 22, 2014	10.71	10.93	10.45	10.51
5735	NASDAQ	OSUR	Fri, Dec 19, 2014	9.77	10.53	9.66	10.53
5734	NASDAQ	OSUR	Thu, Dec 18, 2014	9.88	9.88	9.69	9.80
5733	NASDAQ	OSUR	Wed, Dec 17, 2014	9.09	9.71	9.05	9.70
5732	NASDAQ	OSUR	Tue, Dec 16, 2014	9.04	9.18	8.94	9.10
5731	NASDAQ	OSUR	Mon, Dec 15, 2014	9.53	9.56	8.97	9.10
5730	NASDAQ	OSUR	Fri, Dec 12, 2014	9.58	9.81	9.46	9.49
5729	NASDAQ	OSUR	Thu, Dec 11, 2014	9.69	9.88	9.64	9.74
5728	NASDAQ	OSUR	Wed, Dec 10, 2014	9.89	10.00	9.58	9.61
5727	NASDAQ	OSUR	Tue, Dec 9, 2014	9.50	10.00	9.38	9.94
5726	NASDAQ	OSUR	Mon, Dec 8, 2014	9.90	10.00	9.59	9.61
5725	NASDAQ	OSUR	Fri, Dec 5, 2014	9.71	9.92	9.68	9.89
5724	NASDAQ	OSUR	Thu, Dec 4, 2014	9.83	9.88	9.56	9.62
5723	NASDAQ	OSUR	Wed, Dec 3, 2014	9.46	9.87	9.31	9.78
5722	NASDAQ	OSUR	Tue, Dec 2, 2014	8.96	9.46	8.95	9.43
5721	NASDAQ	OSUR	Mon, Dec 1, 2014	9.01	9.12	8.92	8.95
5720	NASDAQ	OSUR	Fri, Nov 28, 2014	9.21	9.43	8.96	9.01
5719	NASDAQ	OSUR	Wed, Nov 26, 2014	9.20	9.26	9.14	9.23
5718	NASDAQ	OSUR	Tue, Nov 25, 2014	9.50	9.53	9.13	9.20
5717	NASDAQ	OSUR	Mon, Nov 24, 2014	8.82	9.55	8.80	9.54
5716	NASDAQ	OSUR	Fri, Nov 21, 2014	8.90	8.90	8.61	8.81
5715	NASDAQ	OSUR	Thu, Nov 20, 2014	8.64	8.80	8.56	8.71
5714	NASDAQ	OSUR	Wed, Nov 19, 2014	8.84	8.98	8.54	8.67
5713	NASDAQ	OSUR	Tue, Nov 18, 2014	8.86	8.98	8.85	8.89
5712	NASDAQ	OSUR	Mon, Nov 17, 2014	8.73	8.90	8.70	8.81
5711	NASDAQ	OSUR	Fri, Nov 14, 2014	8.99	9.02	8.72	8.77
5710	NASDAQ	OSUR	Thu, Nov 13, 2014	9.18	9.29	9.14	9.20
5709	NASDAQ	OSUR	Wed, Nov 12, 2014	9.21	9.29	9.09	9.18
5708	NASDAQ	OSUR	Tue, Nov 11, 2014	9.20	9.38	9.15	9.24
5707	NASDAQ	OSUR	Mon, Nov 10, 2014	9.04	9.20	8.92	9.17
5706	NASDAQ	OSUR	Fri, Nov 7, 2014	9.00	9.17	8.91	8.98
5705	NASDAQ	OSUR	Thu, Nov 6, 2014	8.99	9.36	8.82	9.01
5704	NASDAQ	OSUR	Wed, Nov 5, 2014	8.82	8.87	8.62	8.69
5703	NASDAQ	OSUR	Tue, Nov 4, 2014	8.77	8.84	8.70	8.76
5702	NASDAQ	OSUR	Mon, Nov 3, 2014	8.92	8.99	8.73	8.78
5701	NASDAQ	OSUR	Fri, Oct 31, 2014	8.97	8.98	8.78	8.95
5700	NASDAQ	OSUR	Thu, Oct 30, 2014	8.67	8.80	8.63	8.79
5699	NASDAQ	OSUR	Wed, Oct 29, 2014	8.63	8.80	8.49	8.70
5698	NASDAQ	OSUR	Tue, Oct 28, 2014	8.45	8.71	8.38	8.64
5697	NASDAQ	OSUR	Mon, Oct 27, 2014	8.30	8.59	8.19	8.38
5696	NASDAQ	OSUR	Fri, Oct 24, 2014	8.58	8.69	8.26	8.35
5695	NASDAQ	OSUR	Thu, Oct 23, 2014	8.44	8.65	8.38	8.55
5694	NASDAQ	OSUR	Wed, Oct 22, 2014	8.50	8.55	8.24	8.32
5693	NASDAQ	OSUR	Tue, Oct 21, 2014	8.16	8.50	8.12	8.46
5692	NASDAQ	OSUR	Mon, Oct 20, 2014	8.24	8.51	7.98	8.12
5691	NASDAQ	OSUR	Fri, Oct 17, 2014	8.74	8.74	8.31	8.34
5690	NASDAQ	OSUR	Thu, Oct 16, 2014	9.35	9.58	8.55	8.60
5689	NASDAQ	OSUR	Wed, Oct 15, 2014	8.02	8.83	7.73	8.34
5688	NASDAQ	OSUR	Tue, Oct 14, 2014	8.24	8.38	7.93	8.02
5687	NASDAQ	OSUR	Mon, Oct 13, 2014	7.97	8.30	7.87	8.18
5686	NASDAQ	OSUR	Fri, Oct 10, 2014	7.75	8.16	7.73	7.93
5685	NASDAQ	OSUR	Thu, Oct 9, 2014	7.93	7.93	7.70	7.79
5684	NASDAQ	OSUR	Wed, Oct 8, 2014	7.64	8.02	7.52	7.97
5683	NASDAQ	OSUR	Tue, Oct 7, 2014	7.50	7.89	7.38	7.66
5682	NASDAQ	OSUR	Mon, Oct 6, 2014	7.42	7.61	7.39	7.56
5681	NASDAQ	OSUR	Fri, Oct 3, 2014	7.19	7.42	7.11	7.41
5680	NASDAQ	OSUR	Thu, Oct 2, 2014	7.03	7.21	6.93	7.09
5679	NASDAQ	OSUR	Wed, Oct 1, 2014	7.23	7.33	6.95	7.04
5678	NASDAQ	OSUR	Tue, Sep 30, 2014	7.40	7.56	7.21	7.22
5677	NASDAQ	OSUR	Mon, Sep 29, 2014	7.24	7.44	7.24	7.42
5676	NASDAQ	OSUR	Fri, Sep 26, 2014	7.27	7.46	7.20	7.39
5675	NASDAQ	OSUR	Thu, Sep 25, 2014	7.28	7.28	7.06	7.21
5674	NASDAQ	OSUR	Wed, Sep 24, 2014	7.22	7.39	7.17	7.30
5673	NASDAQ	OSUR	Tue, Sep 23, 2014	7.32	7.43	7.21	7.23
5672	NASDAQ	OSUR	Mon, Sep 22, 2014	7.67	7.70	7.26	7.38
5671	NASDAQ	OSUR	Fri, Sep 19, 2014	7.65	7.77	7.54	7.73
5670	NASDAQ	OSUR	Thu, Sep 18, 2014	7.47	7.64	7.34	7.63
5669	NASDAQ	OSUR	Wed, Sep 17, 2014	7.36	7.55	7.33	7.41
5668	NASDAQ	OSUR	Tue, Sep 16, 2014	7.34	7.46	7.30	7.38
5667	NASDAQ	OSUR	Mon, Sep 15, 2014	7.50	7.64	7.31	7.35
5666	NASDAQ	OSUR	Fri, Sep 12, 2014	7.87	7.87	7.52	7.56
5665	NASDAQ	OSUR	Thu, Sep 11, 2014	7.82	7.91	7.68	7.85
5664	NASDAQ	OSUR	Wed, Sep 10, 2014	7.78	7.90	7.67	7.89
5663	NASDAQ	OSUR	Tue, Sep 9, 2014	7.94	8.02	7.72	7.80
5662	NASDAQ	OSUR	Mon, Sep 8, 2014	7.80	7.95	7.73	7.94
5661	NASDAQ	OSUR	Fri, Sep 5, 2014	7.87	7.99	7.67	7.81
5660	NASDAQ	OSUR	Thu, Sep 4, 2014	8.10	8.16	7.89	7.90
5659	NASDAQ	OSUR	Wed, Sep 3, 2014	8.44	8.53	8.06	8.07
5658	NASDAQ	OSUR	Tue, Sep 2, 2014	8.33	8.50	8.24	8.41
5657	NASDAQ	OSUR	Fri, Aug 29, 2014	8.26	8.41	8.17	8.33
5656	NASDAQ	OSUR	Thu, Aug 28, 2014	8.45	8.51	8.24	8.26
5655	NASDAQ	OSUR	Wed, Aug 27, 2014	8.64	8.70	8.45	8.49
5654	NASDAQ	OSUR	Tue, Aug 26, 2014	8.49	8.71	8.35	8.61
5653	NASDAQ	OSUR	Mon, Aug 25, 2014	8.04	8.47	7.91	8.46
5652	NASDAQ	OSUR	Fri, Aug 22, 2014	7.78	8.24	7.78	7.91
5651	NASDAQ	OSUR	Thu, Aug 21, 2014	7.76	7.91	7.65	7.82
5650	NASDAQ	OSUR	Wed, Aug 20, 2014	7.75	7.91	7.65	7.78
5649	NASDAQ	OSUR	Tue, Aug 19, 2014	7.85	7.94	7.70	7.83
5648	NASDAQ	OSUR	Mon, Aug 18, 2014	7.95	8.03	7.75	7.87
5647	NASDAQ	OSUR	Fri, Aug 15, 2014	8.00	8.07	7.65	7.84
5646	NASDAQ	OSUR	Thu, Aug 14, 2014	7.90	8.00	7.80	7.89
5645	NASDAQ	OSUR	Wed, Aug 13, 2014	7.64	7.94	7.64	7.92
5644	NASDAQ	OSUR	Tue, Aug 12, 2014	7.66	7.85	7.56	7.59
5643	NASDAQ	OSUR	Mon, Aug 11, 2014	7.50	7.75	7.41	7.72
5642	NASDAQ	OSUR	Fri, Aug 8, 2014	7.55	7.80	7.23	7.49
5641	NASDAQ	OSUR	Thu, Aug 7, 2014	7.87	8.23	7.51	7.59
5640	NASDAQ	OSUR	Wed, Aug 6, 2014	8.05	8.65	8.04	8.34
5639	NASDAQ	OSUR	Tue, Aug 5, 2014	8.17	8.47	8.17	8.22
5638	NASDAQ	OSUR	Mon, Aug 4, 2014	8.19	8.32	7.97	8.23
5637	NASDAQ	OSUR	Fri, Aug 1, 2014	8.25	8.31	7.95	8.15
5636	NASDAQ	OSUR	Thu, Jul 31, 2014	8.25	8.35	7.96	8.23
5635	NASDAQ	OSUR	Wed, Jul 30, 2014	8.38	8.49	8.28	8.40
5634	NASDAQ	OSUR	Tue, Jul 29, 2014	8.08	8.38	7.95	8.28
5633	NASDAQ	OSUR	Mon, Jul 28, 2014	8.29	8.30	8.02	8.09
5632	NASDAQ	OSUR	Fri, Jul 25, 2014	8.50	8.55	8.18	8.30
5631	NASDAQ	OSUR	Thu, Jul 24, 2014	8.48	8.72	8.44	8.61
5630	NASDAQ	OSUR	Wed, Jul 23, 2014	8.38	8.47	8.27	8.44
5629	NASDAQ	OSUR	Tue, Jul 22, 2014	8.38	8.54	8.25	8.34
5628	NASDAQ	OSUR	Mon, Jul 21, 2014	8.09	8.35	8.00	8.28
5627	NASDAQ	OSUR	Fri, Jul 18, 2014	7.96	8.31	7.95	8.18
5626	NASDAQ	OSUR	Thu, Jul 17, 2014	8.09	8.21	7.93	7.96
5625	NASDAQ	OSUR	Wed, Jul 16, 2014	8.30	8.34	8.12	8.20
5624	NASDAQ	OSUR	Tue, Jul 15, 2014	8.40	8.51	8.15	8.25
5623	NASDAQ	OSUR	Mon, Jul 14, 2014	8.46	8.51	8.30	8.38
5622	NASDAQ	OSUR	Fri, Jul 11, 2014	8.40	8.54	8.28	8.29
5621	NASDAQ	OSUR	Thu, Jul 10, 2014	8.09	8.60	8.01	8.39
5620	NASDAQ	OSUR	Wed, Jul 9, 2014	8.36	8.53	8.27	8.37
5619	NASDAQ	OSUR	Tue, Jul 8, 2014	8.49	8.51	8.10	8.30
5618	NASDAQ	OSUR	Mon, Jul 7, 2014	8.68	8.74	8.42	8.52
5617	NASDAQ	OSUR	Thu, Jul 3, 2014	8.55	8.82	8.51	8.76
5616	NASDAQ	OSUR	Wed, Jul 2, 2014	8.68	8.79	8.47	8.55
5615	NASDAQ	OSUR	Tue, Jul 1, 2014	8.64	8.94	8.56	8.72
5614	NASDAQ	OSUR	Mon, Jun 30, 2014	8.63	8.73	8.49	8.61
5613	NASDAQ	OSUR	Fri, Jun 27, 2014	8.52	8.70	8.40	8.64
5612	NASDAQ	OSUR	Thu, Jun 26, 2014	8.62	8.68	8.40	8.60
5611	NASDAQ	OSUR	Wed, Jun 25, 2014	8.67	8.78	8.27	8.64
5610	NASDAQ	OSUR	Tue, Jun 24, 2014	8.62	8.76	8.32	8.36
5609	NASDAQ	OSUR	Mon, Jun 23, 2014	8.92	9.00	8.53	8.62
5608	NASDAQ	OSUR	Fri, Jun 20, 2014	8.89	9.00	8.75	8.95
5607	NASDAQ	OSUR	Thu, Jun 19, 2014	8.80	8.89	8.63	8.81
5606	NASDAQ	OSUR	Wed, Jun 18, 2014	8.63	8.78	8.53	8.76
5605	NASDAQ	OSUR	Tue, Jun 17, 2014	8.23	8.65	8.23	8.59
5604	NASDAQ	OSUR	Mon, Jun 16, 2014	8.05	8.37	7.95	8.36
5603	NASDAQ	OSUR	Fri, Jun 13, 2014	7.79	8.14	7.63	8.09
5602	NASDAQ	OSUR	Thu, Jun 12, 2014	7.44	7.82	7.38	7.80
5601	NASDAQ	OSUR	Wed, Jun 11, 2014	7.50	7.75	7.42	7.48
5600	NASDAQ	OSUR	Tue, Jun 10, 2014	6.89	7.26	6.85	7.23
5599	NASDAQ	OSUR	Mon, Jun 9, 2014	6.79	6.91	6.62	6.83
5598	NASDAQ	OSUR	Fri, Jun 6, 2014	6.51	6.80	6.49	6.72
5597	NASDAQ	OSUR	Thu, Jun 5, 2014	6.25	6.57	6.21	6.49
5596	NASDAQ	OSUR	Wed, Jun 4, 2014	6.04	6.29	6.04	6.21
5595	NASDAQ	OSUR	Tue, Jun 3, 2014	6.09	6.20	6.01	6.08
5594	NASDAQ	OSUR	Mon, Jun 2, 2014	6.26	6.34	6.00	6.14
5593	NASDAQ	OSUR	Fri, May 30, 2014	6.34	6.38	6.26	6.32
5592	NASDAQ	OSUR	Thu, May 29, 2014	6.34	6.40	6.19	6.33
5591	NASDAQ	OSUR	Wed, May 28, 2014	6.36	6.38	6.24	6.28
5590	NASDAQ	OSUR	Tue, May 27, 2014	6.41	6.53	6.26	6.37
5589	NASDAQ	OSUR	Fri, May 23, 2014	6.22	6.31	6.15	6.29
5588	NASDAQ	OSUR	Thu, May 22, 2014	6.15	6.31	6.01	6.21
5587	NASDAQ	OSUR	Wed, May 21, 2014	6.09	6.12	5.95	6.09
5586	NASDAQ	OSUR	Tue, May 20, 2014	6.20	6.32	5.95	6.04
5585	NASDAQ	OSUR	Mon, May 19, 2014	6.02	6.34	5.96	6.25
5584	NASDAQ	OSUR	Fri, May 16, 2014	6.12	6.20	5.86	6.01
5583	NASDAQ	OSUR	Thu, May 15, 2014	6.16	6.19	5.98	6.14
5582	NASDAQ	OSUR	Wed, May 14, 2014	6.44	6.49	6.12	6.20
5581	NASDAQ	OSUR	Tue, May 13, 2014	6.38	6.74	6.30	6.47
5580	NASDAQ	OSUR	Mon, May 12, 2014	6.07	6.43	6.01	6.40
5579	NASDAQ	OSUR	Fri, May 9, 2014	5.99	6.05	5.78	6.02
5578	NASDAQ	OSUR	Thu, May 8, 2014	6.55	6.55	5.94	6.03
5577	NASDAQ	OSUR	Wed, May 7, 2014	6.68	6.76	6.27	6.59
5576	NASDAQ	OSUR	Tue, May 6, 2014	6.49	6.80	6.49	6.64
5575	NASDAQ	OSUR	Mon, May 5, 2014	6.66	6.67	6.45	6.56
5574	NASDAQ	OSUR	Fri, May 2, 2014	6.52	6.79	6.48	6.70
5573	NASDAQ	OSUR	Thu, May 1, 2014	6.56	6.71	6.37	6.48
5572	NASDAQ	OSUR	Wed, Apr 30, 2014	6.60	6.62	6.25	6.55
5571	NASDAQ	OSUR	Tue, Apr 29, 2014	6.54	6.76	6.44	6.58
5570	NASDAQ	OSUR	Mon, Apr 28, 2014	6.37	6.65	6.31	6.48
5569	NASDAQ	OSUR	Fri, Apr 25, 2014	6.74	6.78	6.27	6.32
5568	NASDAQ	OSUR	Thu, Apr 24, 2014	6.96	7.04	6.57	6.80
5567	NASDAQ	OSUR	Wed, Apr 23, 2014	7.09	7.09	6.88	6.89
5566	NASDAQ	OSUR	Tue, Apr 22, 2014	6.88	7.19	6.80	7.12
5565	NASDAQ	OSUR	Mon, Apr 21, 2014	6.92	6.98	6.80	6.89
5564	NASDAQ	OSUR	Thu, Apr 17, 2014	6.61	6.94	6.58	6.92
5563	NASDAQ	OSUR	Wed, Apr 16, 2014	6.49	6.69	6.46	6.67
5562	NASDAQ	OSUR	Tue, Apr 15, 2014	6.50	6.62	6.10	6.44
5561	NASDAQ	OSUR	Mon, Apr 14, 2014	6.71	6.73	6.38	6.47
5560	NASDAQ	OSUR	Fri, Apr 11, 2014	6.60	6.89	6.54	6.59
5559	NASDAQ	OSUR	Thu, Apr 10, 2014	7.15	7.16	6.64	6.68
5558	NASDAQ	OSUR	Wed, Apr 9, 2014	6.95	7.20	6.85	7.19
5557	NASDAQ	OSUR	Tue, Apr 8, 2014	6.99	7.17	6.81	6.90
5556	NASDAQ	OSUR	Mon, Apr 7, 2014	7.28	7.28	6.91	6.95
5555	NASDAQ	OSUR	Fri, Apr 4, 2014	7.80	7.88	7.29	7.29
5554	NASDAQ	OSUR	Thu, Apr 3, 2014	7.88	7.89	7.48	7.70
5553	NASDAQ	OSUR	Wed, Apr 2, 2014	8.08	8.08	7.74	7.88
5552	NASDAQ	OSUR	Tue, Apr 1, 2014	7.97	8.19	7.83	8.07
5551	NASDAQ	OSUR	Mon, Mar 31, 2014	7.77	8.09	7.77	7.97
5550	NASDAQ	OSUR	Fri, Mar 28, 2014	8.17	8.17	7.70	7.71
5549	NASDAQ	OSUR	Thu, Mar 27, 2014	7.83	8.17	7.67	8.16
5548	NASDAQ	OSUR	Wed, Mar 26, 2014	7.81	8.08	7.72	7.83
5547	NASDAQ	OSUR	Tue, Mar 25, 2014	7.55	7.99	7.53	7.72
5546	NASDAQ	OSUR	Mon, Mar 24, 2014	7.75	7.75	7.25	7.46
5545	NASDAQ	OSUR	Fri, Mar 21, 2014	7.93	7.99	7.68	7.73
5544	NASDAQ	OSUR	Thu, Mar 20, 2014	7.93	8.02	7.83	7.87
5543	NASDAQ	OSUR	Wed, Mar 19, 2014	8.15	8.15	7.84	7.94
5542	NASDAQ	OSUR	Tue, Mar 18, 2014	7.86	8.20	7.76	8.14
5541	NASDAQ	OSUR	Mon, Mar 17, 2014	7.94	8.03	7.82	7.84
5540	NASDAQ	OSUR	Fri, Mar 14, 2014	7.91	8.09	7.82	7.86
5539	NASDAQ	OSUR	Thu, Mar 13, 2014	8.02	8.10	7.86	7.96
5538	NASDAQ	OSUR	Wed, Mar 12, 2014	8.06	8.06	7.87	7.97
5537	NASDAQ	OSUR	Tue, Mar 11, 2014	8.18	8.38	8.02	8.12
5536	NASDAQ	OSUR	Mon, Mar 10, 2014	8.48	8.50	8.03	8.18
5535	NASDAQ	OSUR	Fri, Mar 7, 2014	8.20	8.50	8.10	8.48
5534	NASDAQ	OSUR	Thu, Mar 6, 2014	8.40	8.60	7.96	8.13
5533	NASDAQ	OSUR	Wed, Mar 5, 2014	7.55	8.48	7.36	8.23
5532	NASDAQ	OSUR	Tue, Mar 4, 2014	6.99	7.49	6.99	7.39
5531	NASDAQ	OSUR	Mon, Mar 3, 2014	6.83	7.09	6.64	6.88
5530	NASDAQ	OSUR	Fri, Feb 28, 2014	7.11	7.30	6.87	6.94
5529	NASDAQ	OSUR	Thu, Feb 27, 2014	7.04	7.22	7.00	7.14
5528	NASDAQ	OSUR	Wed, Feb 26, 2014	6.98	7.20	6.89	7.07
5527	NASDAQ	OSUR	Tue, Feb 25, 2014	6.80	6.98	6.76	6.98
5526	NASDAQ	OSUR	Mon, Feb 24, 2014	6.77	6.89	6.72	6.78
5525	NASDAQ	OSUR	Fri, Feb 21, 2014	6.82	6.90	6.67	6.73
5524	NASDAQ	OSUR	Thu, Feb 20, 2014	6.70	6.85	6.64	6.78
5523	NASDAQ	OSUR	Wed, Feb 19, 2014	6.75	6.76	6.60	6.70
5522	NASDAQ	OSUR	Tue, Feb 18, 2014	6.69	6.85	6.63	6.81
5521	NASDAQ	OSUR	Fri, Feb 14, 2014	6.70	6.75	6.58	6.65
5520	NASDAQ	OSUR	Thu, Feb 13, 2014	6.49	6.76	6.48	6.75
5519	NASDAQ	OSUR	Wed, Feb 12, 2014	6.43	6.67	6.25	6.58
5518	NASDAQ	OSUR	Tue, Feb 11, 2014	6.35	6.57	6.29	6.42
5517	NASDAQ	OSUR	Mon, Feb 10, 2014	6.09	6.36	6.00	6.36
5516	NASDAQ	OSUR	Fri, Feb 7, 2014	6.14	6.50	6.05	6.07
5515	NASDAQ	OSUR	Thu, Feb 6, 2014	6.21	6.38	6.00	6.12
5514	NASDAQ	OSUR	Wed, Feb 5, 2014	5.51	5.72	5.34	5.55
5513	NASDAQ	OSUR	Tue, Feb 4, 2014	5.55	5.65	5.45	5.59
5512	NASDAQ	OSUR	Mon, Feb 3, 2014	5.86	5.99	5.44	5.53
5511	NASDAQ	OSUR	Fri, Jan 31, 2014	5.91	6.09	5.85	5.87
5510	NASDAQ	OSUR	Thu, Jan 30, 2014	6.08	6.18	6.00	6.01
5509	NASDAQ	OSUR	Wed, Jan 29, 2014	6.01	6.08	5.99	6.03
5508	NASDAQ	OSUR	Tue, Jan 28, 2014	5.95	6.10	5.95	6.07
5507	NASDAQ	OSUR	Mon, Jan 27, 2014	6.40	6.40	5.92	5.94
5506	NASDAQ	OSUR	Fri, Jan 24, 2014	6.60	6.66	6.32	6.36
5505	NASDAQ	OSUR	Thu, Jan 23, 2014	6.69	6.86	6.50	6.66
5504	NASDAQ	OSUR	Wed, Jan 22, 2014	6.90	6.90	6.75	6.76
5503	NASDAQ	OSUR	Tue, Jan 21, 2014	6.82	7.10	6.80	6.92
5502	NASDAQ	OSUR	Fri, Jan 17, 2014	6.88	6.95	6.68	6.75
5501	NASDAQ	OSUR	Thu, Jan 16, 2014	6.84	6.93	6.71	6.90
5500	NASDAQ	OSUR	Wed, Jan 15, 2014	6.68	6.88	6.65	6.83
5499	NASDAQ	OSUR	Tue, Jan 14, 2014	6.55	6.80	6.55	6.69
5498	NASDAQ	OSUR	Mon, Jan 13, 2014	6.79	6.88	6.44	6.52
5497	NASDAQ	OSUR	Fri, Jan 10, 2014	6.80	6.99	6.56	6.83
5496	NASDAQ	OSUR	Thu, Jan 9, 2014	6.99	7.24	6.73	6.79
5495	NASDAQ	OSUR	Wed, Jan 8, 2014	6.59	6.99	6.48	6.98
5494	NASDAQ	OSUR	Tue, Jan 7, 2014	6.56	6.67	6.22	6.62
5493	NASDAQ	OSUR	Mon, Jan 6, 2014	6.82	6.93	6.49	6.54
5492	NASDAQ	OSUR	Fri, Jan 3, 2014	6.47	6.93	6.47	6.80
5491	NASDAQ	OSUR	Thu, Jan 2, 2014	6.28	6.50	6.13	6.47
5490	NASDAQ	OSUR	Tue, Dec 31, 2013	6.04	6.30	6.01	6.29
5489	NASDAQ	OSUR	Mon, Dec 30, 2013	6.10	6.23	5.97	6.05
5488	NASDAQ	OSUR	Fri, Dec 27, 2013	6.03	6.14	5.90	6.08
5487	NASDAQ	OSUR	Thu, Dec 26, 2013	6.02	6.13	5.96	6.00
5486	NASDAQ	OSUR	Tue, Dec 24, 2013	5.97	6.06	5.92	6.01
5485	NASDAQ	OSUR	Mon, Dec 23, 2013	6.15	6.15	5.92	5.98
5484	NASDAQ	OSUR	Fri, Dec 20, 2013	5.86	6.15	5.77	6.07
5483	NASDAQ	OSUR	Thu, Dec 19, 2013	5.86	5.95	5.78	5.82
5482	NASDAQ	OSUR	Wed, Dec 18, 2013	5.81	5.88	5.64	5.88
5481	NASDAQ	OSUR	Tue, Dec 17, 2013	5.91	5.91	5.75	5.79
5480	NASDAQ	OSUR	Mon, Dec 16, 2013	5.92	5.99	5.82	5.93
5479	NASDAQ	OSUR	Fri, Dec 13, 2013	5.86	6.07	5.82	5.87
5478	NASDAQ	OSUR	Thu, Dec 12, 2013	5.86	5.97	5.82	5.84
5477	NASDAQ	OSUR	Wed, Dec 11, 2013	5.94	5.97	5.81	5.85
5476	NASDAQ	OSUR	Tue, Dec 10, 2013	6.16	6.22	5.93	5.94
5475	NASDAQ	OSUR	Mon, Dec 9, 2013	6.07	6.20	6.00	6.19
5474	NASDAQ	OSUR	Fri, Dec 6, 2013	5.77	6.15	5.73	6.05
5473	NASDAQ	OSUR	Thu, Dec 5, 2013	5.83	5.86	5.67	5.70
5472	NASDAQ	OSUR	Wed, Dec 4, 2013	5.75	5.92	5.75	5.83
5471	NASDAQ	OSUR	Tue, Dec 3, 2013	5.98	6.04	5.74	5.76
5470	NASDAQ	OSUR	Mon, Dec 2, 2013	6.21	6.22	5.85	5.97
5469	NASDAQ	OSUR	Fri, Nov 29, 2013	6.22	6.22	6.01	6.15
5468	NASDAQ	OSUR	Wed, Nov 27, 2013	6.17	6.25	6.00	6.17
5467	NASDAQ	OSUR	Tue, Nov 26, 2013	6.13	6.39	5.95	6.18
5466	NASDAQ	OSUR	Mon, Nov 25, 2013	7.01	7.09	5.75	5.83
5465	NASDAQ	OSUR	Fri, Nov 22, 2013	7.09	7.18	6.91	6.99
5464	NASDAQ	OSUR	Thu, Nov 21, 2013	6.57	7.07	6.56	7.07
5463	NASDAQ	OSUR	Wed, Nov 20, 2013	6.81	6.82	6.50	6.54
5462	NASDAQ	OSUR	Tue, Nov 19, 2013	6.93	7.05	6.72	6.80
5461	NASDAQ	OSUR	Mon, Nov 18, 2013	7.17	7.24	6.90	6.91
5460	NASDAQ	OSUR	Fri, Nov 15, 2013	6.95	7.25	6.89	7.16
5459	NASDAQ	OSUR	Thu, Nov 14, 2013	7.07	7.18	6.88	6.92
5458	NASDAQ	OSUR	Wed, Nov 13, 2013	7.10	7.21	6.96	7.08
5457	NASDAQ	OSUR	Tue, Nov 12, 2013	7.00	7.25	6.97	7.12
5456	NASDAQ	OSUR	Mon, Nov 11, 2013	6.86	7.11	6.70	7.01
5455	NASDAQ	OSUR	Fri, Nov 8, 2013	6.36	6.93	6.36	6.86
5454	NASDAQ	OSUR	Thu, Nov 7, 2013	6.24	6.58	5.90	6.38
5453	NASDAQ	OSUR	Wed, Nov 6, 2013	6.37	6.51	5.91	5.97
5452	NASDAQ	OSUR	Tue, Nov 5, 2013	6.61	6.64	6.40	6.40
5451	NASDAQ	OSUR	Mon, Nov 4, 2013	6.31	6.65	6.25	6.62
5450	NASDAQ	OSUR	Fri, Nov 1, 2013	6.50	6.57	6.24	6.27
5449	NASDAQ	OSUR	Thu, Oct 31, 2013	6.64	6.69	6.34	6.52
5448	NASDAQ	OSUR	Wed, Oct 30, 2013	6.41	6.68	6.40	6.59
5447	NASDAQ	OSUR	Tue, Oct 29, 2013	6.31	6.45	6.29	6.36
5446	NASDAQ	OSUR	Mon, Oct 28, 2013	6.29	6.42	6.17	6.31
5445	NASDAQ	OSUR	Fri, Oct 25, 2013	6.56	6.67	6.22	6.27
5444	NASDAQ	OSUR	Thu, Oct 24, 2013	6.56	6.69	6.52	6.54
5443	NASDAQ	OSUR	Wed, Oct 23, 2013	6.41	6.56	6.36	6.56
5442	NASDAQ	OSUR	Tue, Oct 22, 2013	6.49	6.55	6.33	6.43
5441	NASDAQ	OSUR	Mon, Oct 21, 2013	6.57	6.63	6.41	6.46
5440	NASDAQ	OSUR	Fri, Oct 18, 2013	6.60	6.70	6.44	6.55
5439	NASDAQ	OSUR	Thu, Oct 17, 2013	6.45	6.67	6.31	6.55
5438	NASDAQ	OSUR	Wed, Oct 16, 2013	6.33	6.54	6.22	6.47
5437	NASDAQ	OSUR	Tue, Oct 15, 2013	6.39	6.39	6.22	6.30
5436	NASDAQ	OSUR	Mon, Oct 14, 2013	6.36	6.45	6.16	6.43
5435	NASDAQ	OSUR	Fri, Oct 11, 2013	6.13	6.40	6.12	6.40
5434	NASDAQ	OSUR	Thu, Oct 10, 2013	5.92	6.14	5.88	6.11
5433	NASDAQ	OSUR	Wed, Oct 9, 2013	5.95	6.02	5.70	5.86
5432	NASDAQ	OSUR	Tue, Oct 8, 2013	5.92	6.08	5.85	5.93
5431	NASDAQ	OSUR	Mon, Oct 7, 2013	5.81	5.94	5.72	5.85
5430	NASDAQ	OSUR	Fri, Oct 4, 2013	5.90	6.10	5.82	5.85
5429	NASDAQ	OSUR	Thu, Oct 3, 2013	6.05	6.20	5.85	5.86
5428	NASDAQ	OSUR	Wed, Oct 2, 2013	6.12	6.23	6.05	6.06
5427	NASDAQ	OSUR	Tue, Oct 1, 2013	6.00	6.24	5.99	6.15
5426	NASDAQ	OSUR	Mon, Sep 30, 2013	6.11	6.20	5.99	6.01
5425	NASDAQ	OSUR	Fri, Sep 27, 2013	6.10	6.21	6.02	6.16
5424	NASDAQ	OSUR	Thu, Sep 26, 2013	6.00	6.17	5.99	6.16
5423	NASDAQ	OSUR	Wed, Sep 25, 2013	6.11	6.30	5.97	5.98
5422	NASDAQ	OSUR	Tue, Sep 24, 2013	6.18	6.20	6.04	6.11
5421	NASDAQ	OSUR	Mon, Sep 23, 2013	6.27	6.42	6.17	6.21
5420	NASDAQ	OSUR	Fri, Sep 20, 2013	6.45	6.46	6.18	6.27
5419	NASDAQ	OSUR	Thu, Sep 19, 2013	6.11	6.43	5.99	6.41
5418	NASDAQ	OSUR	Wed, Sep 18, 2013	5.66	5.80	5.51	5.76
5417	NASDAQ	OSUR	Tue, Sep 17, 2013	5.55	5.72	5.55	5.68
5416	NASDAQ	OSUR	Mon, Sep 16, 2013	5.77	5.97	5.51	5.55
5415	NASDAQ	OSUR	Fri, Sep 13, 2013	5.42	5.72	5.42	5.72
5414	NASDAQ	OSUR	Thu, Sep 12, 2013	5.51	5.51	5.32	5.40
5413	NASDAQ	OSUR	Wed, Sep 11, 2013	5.29	5.56	5.19	5.54
5412	NASDAQ	OSUR	Tue, Sep 10, 2013	5.18	5.31	5.16	5.29
5411	NASDAQ	OSUR	Mon, Sep 9, 2013	5.16	5.22	5.09	5.18
5410	NASDAQ	OSUR	Fri, Sep 6, 2013	5.20	5.29	5.15	5.17
5409	NASDAQ	OSUR	Thu, Sep 5, 2013	4.88	5.21	4.88	5.16
5408	NASDAQ	OSUR	Wed, Sep 4, 2013	4.95	5.03	4.88	4.89
5407	NASDAQ	OSUR	Tue, Sep 3, 2013	4.83	5.02	4.80	4.93
5406	NASDAQ	OSUR	Fri, Aug 30, 2013	4.81	4.88	4.75	4.78
5405	NASDAQ	OSUR	Thu, Aug 29, 2013	4.90	4.99	4.83	4.84
5404	NASDAQ	OSUR	Wed, Aug 28, 2013	5.00	5.09	4.67	4.81
5403	NASDAQ	OSUR	Tue, Aug 27, 2013	5.02	5.13	4.98	5.02
5402	NASDAQ	OSUR	Mon, Aug 26, 2013	5.21	5.22	4.99	5.06
5401	NASDAQ	OSUR	Fri, Aug 23, 2013	5.30	5.39	5.14	5.21
5400	NASDAQ	OSUR	Thu, Aug 22, 2013	5.25	5.31	5.19	5.26
5399	NASDAQ	OSUR	Wed, Aug 21, 2013	5.30	5.39	5.15	5.23
5398	NASDAQ	OSUR	Tue, Aug 20, 2013	5.29	5.56	5.20	5.33
5397	NASDAQ	OSUR	Mon, Aug 19, 2013	5.14	5.40	5.10	5.30
5396	NASDAQ	OSUR	Fri, Aug 16, 2013	5.34	5.35	5.09	5.13
5395	NASDAQ	OSUR	Thu, Aug 15, 2013	4.89	5.35	4.86	5.33
5394	NASDAQ	OSUR	Wed, Aug 14, 2013	4.96	5.00	4.87	4.94
5393	NASDAQ	OSUR	Tue, Aug 13, 2013	4.96	5.07	4.84	4.94
5392	NASDAQ	OSUR	Mon, Aug 12, 2013	4.77	5.03	4.76	4.95
5391	NASDAQ	OSUR	Fri, Aug 9, 2013	4.88	5.00	4.75	4.79
5390	NASDAQ	OSUR	Thu, Aug 8, 2013	4.69	5.05	4.50	4.87
5389	NASDAQ	OSUR	Wed, Aug 7, 2013	4.40	4.44	4.17	4.25
5388	NASDAQ	OSUR	Tue, Aug 6, 2013	4.45	4.52	4.40	4.42
5387	NASDAQ	OSUR	Mon, Aug 5, 2013	4.39	4.46	4.35	4.42
5386	NASDAQ	OSUR	Fri, Aug 2, 2013	4.34	4.42	4.26	4.38
5385	NASDAQ	OSUR	Thu, Aug 1, 2013	4.49	4.50	4.37	4.40
5384	NASDAQ	OSUR	Wed, Jul 31, 2013	4.44	4.49	4.40	4.43
5383	NASDAQ	OSUR	Tue, Jul 30, 2013	4.53	4.53	4.37	4.44
5382	NASDAQ	OSUR	Mon, Jul 29, 2013	4.61	4.64	4.50	4.50
5381	NASDAQ	OSUR	Fri, Jul 26, 2013	4.67	4.74	4.56	4.63
5380	NASDAQ	OSUR	Thu, Jul 25, 2013	4.71	4.77	4.60	4.72
5379	NASDAQ	OSUR	Wed, Jul 24, 2013	4.89	4.89	4.68	4.71
5378	NASDAQ	OSUR	Tue, Jul 23, 2013	5.00	5.02	4.86	4.87
5377	NASDAQ	OSUR	Mon, Jul 22, 2013	5.12	5.12	4.98	5.00
5376	NASDAQ	OSUR	Fri, Jul 19, 2013	5.15	5.24	5.03	5.15
5375	NASDAQ	OSUR	Thu, Jul 18, 2013	4.99	5.21	4.81	5.17
5374	NASDAQ	OSUR	Wed, Jul 17, 2013	4.98	5.13	4.92	4.96
5373	NASDAQ	OSUR	Tue, Jul 16, 2013	4.85	5.00	4.76	4.93
5372	NASDAQ	OSUR	Mon, Jul 15, 2013	4.49	4.62	4.38	4.62
5371	NASDAQ	OSUR	Fri, Jul 12, 2013	4.17	4.48	4.17	4.46
5370	NASDAQ	OSUR	Thu, Jul 11, 2013	4.10	4.19	4.08	4.15
5369	NASDAQ	OSUR	Wed, Jul 10, 2013	4.00	4.08	3.96	4.05
5368	NASDAQ	OSUR	Tue, Jul 9, 2013	4.10	4.10	3.98	4.02
5367	NASDAQ	OSUR	Mon, Jul 8, 2013	4.20	4.24	4.03	4.06
5366	NASDAQ	OSUR	Fri, Jul 5, 2013	4.19	4.19	4.08	4.18
5365	NASDAQ	OSUR	Wed, Jul 3, 2013	4.12	4.24	4.12	4.13
5364	NASDAQ	OSUR	Tue, Jul 2, 2013	3.97	4.14	3.86	4.13
5363	NASDAQ	OSUR	Mon, Jul 1, 2013	3.88	4.04	3.88	3.96
5362	NASDAQ	OSUR	Fri, Jun 28, 2013	3.81	3.90	3.75	3.88
5361	NASDAQ	OSUR	Thu, Jun 27, 2013	3.88	4.00	3.81	3.82
5360	NASDAQ	OSUR	Wed, Jun 26, 2013	3.81	3.91	3.80	3.84
5359	NASDAQ	OSUR	Tue, Jun 25, 2013	4.03	4.06	3.77	3.79
5358	NASDAQ	OSUR	Mon, Jun 24, 2013	3.87	4.00	3.85	3.90
5357	NASDAQ	OSUR	Fri, Jun 21, 2013	3.83	4.03	3.82	3.91
5356	NASDAQ	OSUR	Thu, Jun 20, 2013	4.00	4.01	3.79	3.80
5355	NASDAQ	OSUR	Wed, Jun 19, 2013	4.16	4.22	4.01	4.01
5354	NASDAQ	OSUR	Tue, Jun 18, 2013	4.24	4.31	4.12	4.15
5353	NASDAQ	OSUR	Mon, Jun 17, 2013	4.28	4.39	4.13	4.23
5352	NASDAQ	OSUR	Fri, Jun 14, 2013	4.15	4.30	4.06	4.24
5351	NASDAQ	OSUR	Thu, Jun 13, 2013	4.19	4.22	4.10	4.15
5350	NASDAQ	OSUR	Wed, Jun 12, 2013	4.25	4.30	4.13	4.18
5349	NASDAQ	OSUR	Tue, Jun 11, 2013	4.32	4.60	4.23	4.23
5348	NASDAQ	OSUR	Mon, Jun 10, 2013	4.28	4.37	4.20	4.36
5347	NASDAQ	OSUR	Fri, Jun 7, 2013	4.32	4.37	4.27	4.30
5346	NASDAQ	OSUR	Thu, Jun 6, 2013	4.34	4.40	4.25	4.30
5345	NASDAQ	OSUR	Wed, Jun 5, 2013	4.33	4.36	4.27	4.32
5344	NASDAQ	OSUR	Tue, Jun 4, 2013	4.42	4.49	4.30	4.33
5343	NASDAQ	OSUR	Mon, Jun 3, 2013	4.43	4.48	4.32	4.40
5342	NASDAQ	OSUR	Fri, May 31, 2013	4.58	4.62	4.37	4.38
5341	NASDAQ	OSUR	Thu, May 30, 2013	4.45	4.54	4.42	4.47
5340	NASDAQ	OSUR	Wed, May 29, 2013	4.50	4.52	4.41	4.42
5339	NASDAQ	OSUR	Tue, May 28, 2013	4.40	4.55	4.37	4.53
5338	NASDAQ	OSUR	Fri, May 24, 2013	4.39	4.40	4.31	4.34
5337	NASDAQ	OSUR	Thu, May 23, 2013	4.31	4.43	4.26	4.41
5336	NASDAQ	OSUR	Wed, May 22, 2013	4.41	4.48	4.34	4.35
5335	NASDAQ	OSUR	Tue, May 21, 2013	4.42	4.45	4.34	4.39
5334	NASDAQ	OSUR	Mon, May 20, 2013	4.40	4.45	4.34	4.43
5333	NASDAQ	OSUR	Fri, May 17, 2013	4.42	4.48	4.37	4.41
5332	NASDAQ	OSUR	Thu, May 16, 2013	4.46	4.51	4.39	4.40
5331	NASDAQ	OSUR	Wed, May 15, 2013	4.51	4.53	4.46	4.50
5330	NASDAQ	OSUR	Tue, May 14, 2013	4.58	4.63	4.51	4.54
5329	NASDAQ	OSUR	Mon, May 13, 2013	4.69	4.70	4.53	4.59
5328	NASDAQ	OSUR	Fri, May 10, 2013	4.73	4.75	4.65	4.71
5327	NASDAQ	OSUR	Thu, May 9, 2013	4.83	5.05	4.70	4.73
5326	NASDAQ	OSUR	Wed, May 8, 2013	4.76	4.79	4.67	4.78
5325	NASDAQ	OSUR	Tue, May 7, 2013	4.79	4.80	4.63	4.75
5324	NASDAQ	OSUR	Mon, May 6, 2013	4.66	4.77	4.61	4.73
5323	NASDAQ	OSUR	Fri, May 3, 2013	4.45	4.66	4.44	4.61
5322	NASDAQ	OSUR	Thu, May 2, 2013	4.32	4.45	4.29	4.39
5321	NASDAQ	OSUR	Wed, May 1, 2013	4.46	4.57	4.32	4.32
5320	NASDAQ	OSUR	Tue, Apr 30, 2013	4.38	4.47	4.36	4.46
5319	NASDAQ	OSUR	Mon, Apr 29, 2013	4.38	4.38	4.30	4.34
5318	NASDAQ	OSUR	Fri, Apr 26, 2013	4.29	4.35	4.24	4.34
5317	NASDAQ	OSUR	Thu, Apr 25, 2013	4.34	4.51	4.29	4.31
5316	NASDAQ	OSUR	Wed, Apr 24, 2013	4.37	4.40	4.27	4.31
5315	NASDAQ	OSUR	Tue, Apr 23, 2013	4.47	4.49	4.32	4.36
5314	NASDAQ	OSUR	Mon, Apr 22, 2013	4.54	4.60	4.38	4.41
5313	NASDAQ	OSUR	Fri, Apr 19, 2013	4.51	4.60	4.48	4.51
5312	NASDAQ	OSUR	Thu, Apr 18, 2013	4.60	4.69	4.48	4.51
5311	NASDAQ	OSUR	Wed, Apr 17, 2013	4.58	4.71	4.55	4.61
5310	NASDAQ	OSUR	Tue, Apr 16, 2013	4.68	4.71	4.53	4.60
5309	NASDAQ	OSUR	Mon, Apr 15, 2013	4.85	4.86	4.60	4.61
5308	NASDAQ	OSUR	Fri, Apr 12, 2013	5.04	5.07	4.85	4.90
5307	NASDAQ	OSUR	Thu, Apr 11, 2013	5.03	5.10	4.98	5.04
5306	NASDAQ	OSUR	Wed, Apr 10, 2013	5.06	5.15	5.02	5.04
5305	NASDAQ	OSUR	Tue, Apr 9, 2013	5.00	5.13	4.93	5.05
5304	NASDAQ	OSUR	Mon, Apr 8, 2013	5.02	5.05	4.96	4.99
5303	NASDAQ	OSUR	Fri, Apr 5, 2013	4.93	5.10	4.93	5.03
5302	NASDAQ	OSUR	Thu, Apr 4, 2013	5.12	5.18	5.00	5.07
5301	NASDAQ	OSUR	Wed, Apr 3, 2013	5.23	5.29	5.11	5.11
5300	NASDAQ	OSUR	Tue, Apr 2, 2013	5.32	5.45	5.22	5.23
5299	NASDAQ	OSUR	Mon, Apr 1, 2013	5.41	5.42	5.21	5.29
5298	NASDAQ	OSUR	Thu, Mar 28, 2013	5.38	5.50	5.25	5.40
5297	NASDAQ	OSUR	Wed, Mar 27, 2013	5.40	5.44	5.31	5.32
5296	NASDAQ	OSUR	Tue, Mar 26, 2013	5.55	5.55	5.37	5.45
5295	NASDAQ	OSUR	Mon, Mar 25, 2013	5.68	5.68	5.50	5.50
5294	NASDAQ	OSUR	Fri, Mar 22, 2013	5.75	5.78	5.62	5.66
5293	NASDAQ	OSUR	Thu, Mar 21, 2013	5.66	5.76	5.63	5.70
5292	NASDAQ	OSUR	Wed, Mar 20, 2013	5.75	5.82	5.67	5.72
5291	NASDAQ	OSUR	Tue, Mar 19, 2013	5.78	5.93	5.70	5.73
5290	NASDAQ	OSUR	Mon, Mar 18, 2013	5.76	6.00	5.68	5.78
5289	NASDAQ	OSUR	Fri, Mar 15, 2013	5.75	5.81	5.75	5.81
5288	NASDAQ	OSUR	Thu, Mar 14, 2013	5.76	5.85	5.70	5.79
5287	NASDAQ	OSUR	Wed, Mar 13, 2013	5.97	5.97	5.67	5.75
5286	NASDAQ	OSUR	Tue, Mar 12, 2013	5.72	5.77	5.69	5.70
5285	NASDAQ	OSUR	Mon, Mar 11, 2013	5.94	5.94	5.72	5.75
5284	NASDAQ	OSUR	Fri, Mar 8, 2013	5.69	6.00	5.64	5.98
5283	NASDAQ	OSUR	Thu, Mar 7, 2013	5.55	5.64	5.50	5.61
5282	NASDAQ	OSUR	Wed, Mar 6, 2013	5.60	5.68	5.46	5.56
5281	NASDAQ	OSUR	Tue, Mar 5, 2013	5.46	5.58	5.36	5.58
5280	NASDAQ	OSUR	Mon, Mar 4, 2013	5.55	5.65	5.34	5.42
5279	NASDAQ	OSUR	Fri, Mar 1, 2013	5.49	5.66	5.44	5.58
5278	NASDAQ	OSUR	Thu, Feb 28, 2013	5.52	5.60	5.42	5.56
5277	NASDAQ	OSUR	Wed, Feb 27, 2013	5.52	5.66	5.39	5.48
5276	NASDAQ	OSUR	Tue, Feb 26, 2013	5.56	5.63	5.48	5.52
5275	NASDAQ	OSUR	Mon, Feb 25, 2013	5.72	5.76	5.54	5.54
5274	NASDAQ	OSUR	Fri, Feb 22, 2013	5.81	5.89	5.68	5.70
5273	NASDAQ	OSUR	Thu, Feb 21, 2013	5.92	5.98	5.74	5.78
5272	NASDAQ	OSUR	Wed, Feb 20, 2013	6.08	6.15	5.93	5.93
5271	NASDAQ	OSUR	Tue, Feb 19, 2013	5.97	6.12	5.96	6.08
5270	NASDAQ	OSUR	Fri, Feb 15, 2013	5.87	5.98	5.73	5.96
5269	NASDAQ	OSUR	Thu, Feb 14, 2013	5.82	5.91	5.75	5.83
5268	NASDAQ	OSUR	Wed, Feb 13, 2013	5.85	5.94	5.82	5.82
5267	NASDAQ	OSUR	Tue, Feb 12, 2013	5.84	6.00	5.84	5.85
5266	NASDAQ	OSUR	Mon, Feb 11, 2013	6.03	6.04	5.84	5.85
5265	NASDAQ	OSUR	Fri, Feb 8, 2013	6.09	6.18	6.02	6.08
5264	NASDAQ	OSUR	Thu, Feb 7, 2013	6.80	6.83	5.98	6.10
5263	NASDAQ	OSUR	Wed, Feb 6, 2013	6.91	7.05	6.86	7.02
5262	NASDAQ	OSUR	Tue, Feb 5, 2013	6.94	7.05	6.87	6.96
5261	NASDAQ	OSUR	Mon, Feb 4, 2013	6.99	6.99	6.85	6.91
5260	NASDAQ	OSUR	Fri, Feb 1, 2013	7.09	7.12	6.97	7.02
5259	NASDAQ	OSUR	Thu, Jan 31, 2013	7.03	7.21	7.02	7.05
5258	NASDAQ	OSUR	Wed, Jan 30, 2013	7.33	7.38	7.00	7.02
5257	NASDAQ	OSUR	Tue, Jan 29, 2013	7.00	7.42	6.90	7.37
5256	NASDAQ	OSUR	Mon, Jan 28, 2013	6.92	7.04	6.91	7.00
5255	NASDAQ	OSUR	Fri, Jan 25, 2013	6.93	6.99	6.85	6.93
5254	NASDAQ	OSUR	Thu, Jan 24, 2013	6.87	7.02	6.82	6.90
5253	NASDAQ	OSUR	Wed, Jan 23, 2013	7.03	7.05	6.84	6.86
5252	NASDAQ	OSUR	Tue, Jan 22, 2013	7.03	7.06	6.89	7.00
5251	NASDAQ	OSUR	Fri, Jan 18, 2013	6.97	7.05	6.91	7.01
5250	NASDAQ	OSUR	Thu, Jan 17, 2013	7.13	7.20	6.94	6.98
5249	NASDAQ	OSUR	Wed, Jan 16, 2013	7.23	7.28	7.12	7.12
5248	NASDAQ	OSUR	Tue, Jan 15, 2013	7.15	7.34	7.15	7.27
5247	NASDAQ	OSUR	Mon, Jan 14, 2013	7.26	7.34	7.16	7.19
5246	NASDAQ	OSUR	Fri, Jan 11, 2013	7.33	7.34	7.22	7.25
5245	NASDAQ	OSUR	Thu, Jan 10, 2013	7.24	7.34	7.20	7.30
5244	NASDAQ	OSUR	Wed, Jan 9, 2013	7.11	7.24	7.08	7.19
5243	NASDAQ	OSUR	Tue, Jan 8, 2013	7.02	7.15	7.00	7.05
5242	NASDAQ	OSUR	Mon, Jan 7, 2013	7.23	7.30	6.99	7.03
5241	NASDAQ	OSUR	Fri, Jan 4, 2013	7.22	7.36	7.17	7.30
5240	NASDAQ	OSUR	Thu, Jan 3, 2013	7.26	7.31	7.09	7.19
5239	NASDAQ	OSUR	Wed, Jan 2, 2013	7.39	7.52	7.19	7.25
5238	NASDAQ	OSUR	Mon, Dec 31, 2012	6.68	7.20	6.56	7.18
5237	NASDAQ	OSUR	Fri, Dec 28, 2012	6.70	6.76	6.63	6.69
5236	NASDAQ	OSUR	Thu, Dec 27, 2012	6.82	6.82	6.58	6.77
5235	NASDAQ	OSUR	Wed, Dec 26, 2012	6.93	6.98	6.80	6.83
5234	NASDAQ	OSUR	Mon, Dec 24, 2012	7.03	7.03	6.88	6.89
5233	NASDAQ	OSUR	Fri, Dec 21, 2012	7.00	7.13	6.85	7.00
5232	NASDAQ	OSUR	Thu, Dec 20, 2012	7.31	7.31	7.05	7.08
5231	NASDAQ	OSUR	Wed, Dec 19, 2012	7.37	7.39	7.25	7.32
5230	NASDAQ	OSUR	Tue, Dec 18, 2012	7.22	7.45	7.16	7.38
5229	NASDAQ	OSUR	Mon, Dec 17, 2012	7.19	7.25	7.03	7.21
5228	NASDAQ	OSUR	Fri, Dec 14, 2012	7.09	7.18	7.03	7.13
5227	NASDAQ	OSUR	Thu, Dec 13, 2012	7.28	7.33	7.08	7.10
5226	NASDAQ	OSUR	Wed, Dec 12, 2012	7.42	7.42	7.27	7.29
5225	NASDAQ	OSUR	Tue, Dec 11, 2012	7.47	7.51	7.34	7.36
5224	NASDAQ	OSUR	Mon, Dec 10, 2012	7.49	7.64	7.39	7.43
5223	NASDAQ	OSUR	Fri, Dec 7, 2012	7.67	7.70	7.42	7.45
5222	NASDAQ	OSUR	Thu, Dec 6, 2012	7.60	7.64	7.55	7.60
5221	NASDAQ	OSUR	Wed, Dec 5, 2012	7.68	7.68	7.48	7.60
5220	NASDAQ	OSUR	Tue, Dec 4, 2012	7.66	7.72	7.56	7.65
5219	NASDAQ	OSUR	Mon, Dec 3, 2012	7.75	7.79	7.57	7.60
5218	NASDAQ	OSUR	Fri, Nov 30, 2012	7.78	7.79	7.56	7.70
5217	NASDAQ	OSUR	Thu, Nov 29, 2012	7.83	7.95	7.74	7.74
5216	NASDAQ	OSUR	Wed, Nov 28, 2012	7.66	7.89	7.65	7.73
5215	NASDAQ	OSUR	Tue, Nov 27, 2012	7.80	7.83	7.67	7.75
5214	NASDAQ	OSUR	Mon, Nov 26, 2012	7.72	7.88	7.68	7.76
5213	NASDAQ	OSUR	Fri, Nov 23, 2012	7.80	7.86	7.69	7.75
5212	NASDAQ	OSUR	Wed, Nov 21, 2012	7.70	8.02	7.69	7.75
5211	NASDAQ	OSUR	Tue, Nov 20, 2012	7.25	7.65	7.15	7.64
5210	NASDAQ	OSUR	Mon, Nov 19, 2012	7.01	7.21	6.98	7.17
5209	NASDAQ	OSUR	Fri, Nov 16, 2012	7.04	7.04	6.77	6.90
5208	NASDAQ	OSUR	Thu, Nov 15, 2012	7.35	7.43	6.93	7.01
5207	NASDAQ	OSUR	Wed, Nov 14, 2012	7.49	7.68	7.29	7.38
5206	NASDAQ	OSUR	Tue, Nov 13, 2012	7.44	7.63	7.43	7.47
5205	NASDAQ	OSUR	Mon, Nov 12, 2012	7.34	7.60	7.30	7.52
5204	NASDAQ	OSUR	Fri, Nov 9, 2012	7.50	7.85	7.30	7.33
5203	NASDAQ	OSUR	Thu, Nov 8, 2012	8.02	8.32	6.79	7.61
5202	NASDAQ	OSUR	Wed, Nov 7, 2012	9.15	9.30	8.66	8.66
5201	NASDAQ	OSUR	Tue, Nov 6, 2012	9.16	9.38	9.03	9.10
5200	NASDAQ	OSUR	Mon, Nov 5, 2012	8.84	9.19	8.80	9.13
5199	NASDAQ	OSUR	Fri, Nov 2, 2012	9.06	9.06	8.65	8.85
5198	NASDAQ	OSUR	Thu, Nov 1, 2012	9.06	9.16	8.86	9.01
5197	NASDAQ	OSUR	Wed, Oct 31, 2012	9.06	9.06	8.89	9.06
5196	NASDAQ	OSUR	Fri, Oct 26, 2012	8.96	9.09	8.90	9.02
5195	NASDAQ	OSUR	Thu, Oct 25, 2012	9.25	9.26	8.91	8.93
5194	NASDAQ	OSUR	Wed, Oct 24, 2012	9.37	9.48	9.13	9.17
5193	NASDAQ	OSUR	Tue, Oct 23, 2012	9.33	9.37	9.01	9.31
5192	NASDAQ	OSUR	Mon, Oct 22, 2012	9.31	9.43	9.19	9.43
5191	NASDAQ	OSUR	Fri, Oct 19, 2012	9.40	9.41	9.20	9.30
5190	NASDAQ	OSUR	Thu, Oct 18, 2012	9.54	9.57	9.43	9.50
5189	NASDAQ	OSUR	Wed, Oct 17, 2012	9.71	9.71	9.51	9.59
5188	NASDAQ	OSUR	Tue, Oct 16, 2012	9.83	9.94	9.55	9.69
5187	NASDAQ	OSUR	Mon, Oct 15, 2012	9.88	9.94	9.72	9.85
5186	NASDAQ	OSUR	Fri, Oct 12, 2012	10.28	10.37	9.69	9.85
5185	NASDAQ	OSUR	Thu, Oct 11, 2012	10.57	10.69	10.24	10.25
5184	NASDAQ	OSUR	Wed, Oct 10, 2012	10.59	11.00	10.35	10.40
5183	NASDAQ	OSUR	Tue, Oct 9, 2012	10.45	10.64	10.10	10.21
5182	NASDAQ	OSUR	Mon, Oct 8, 2012	10.56	10.58	10.40	10.43
5181	NASDAQ	OSUR	Fri, Oct 5, 2012	10.71	10.71	10.46	10.59
5180	NASDAQ	OSUR	Thu, Oct 4, 2012	10.83	10.83	10.51	10.71
5179	NASDAQ	OSUR	Wed, Oct 3, 2012	10.88	10.88	10.67	10.74
5178	NASDAQ	OSUR	Tue, Oct 2, 2012	11.22	11.28	10.84	10.89
5177	NASDAQ	OSUR	Mon, Oct 1, 2012	11.25	11.34	11.05	11.20
5176	NASDAQ	OSUR	Fri, Sep 28, 2012	11.29	11.43	11.09	11.11
5175	NASDAQ	OSUR	Thu, Sep 27, 2012	10.85	10.86	10.64	10.71
5174	NASDAQ	OSUR	Wed, Sep 26, 2012	10.64	10.87	10.60	10.79
5173	NASDAQ	OSUR	Tue, Sep 25, 2012	11.02	11.02	10.61	10.64
5172	NASDAQ	OSUR	Mon, Sep 24, 2012	11.29	11.29	10.92	10.99
5171	NASDAQ	OSUR	Fri, Sep 21, 2012	10.90	11.37	10.75	11.35
5170	NASDAQ	OSUR	Thu, Sep 20, 2012	10.55	10.84	10.52	10.76
5169	NASDAQ	OSUR	Wed, Sep 19, 2012	10.64	10.79	10.50	10.66
5168	NASDAQ	OSUR	Tue, Sep 18, 2012	10.35	10.64	10.27	10.61
5167	NASDAQ	OSUR	Mon, Sep 17, 2012	10.43	10.51	10.34	10.39
5166	NASDAQ	OSUR	Fri, Sep 14, 2012	10.29	10.46	10.11	10.22
5165	NASDAQ	OSUR	Thu, Sep 13, 2012	10.18	10.47	10.06	10.19
5164	NASDAQ	OSUR	Wed, Sep 12, 2012	10.24	10.35	10.09	10.20
5163	NASDAQ	OSUR	Tue, Sep 11, 2012	9.76	10.35	9.76	10.25
5162	NASDAQ	OSUR	Mon, Sep 10, 2012	9.73	9.76	9.42	9.73
5161	NASDAQ	OSUR	Fri, Sep 7, 2012	9.85	9.85	9.68	9.75
5160	NASDAQ	OSUR	Thu, Sep 6, 2012	9.54	9.78	9.44	9.74
5159	NASDAQ	OSUR	Wed, Sep 5, 2012	9.62	9.68	9.42	9.44
5158	NASDAQ	OSUR	Tue, Sep 4, 2012	9.74	9.93	9.54	9.66
5157	NASDAQ	OSUR	Fri, Aug 31, 2012	9.77	9.82	9.48	9.71
5156	NASDAQ	OSUR	Thu, Aug 30, 2012	9.80	9.81	9.39	9.67
5155	NASDAQ	OSUR	Wed, Aug 29, 2012	10.22	10.35	9.82	9.82
5154	NASDAQ	OSUR	Tue, Aug 28, 2012	10.69	10.81	10.16	10.22
5153	NASDAQ	OSUR	Mon, Aug 27, 2012	11.00	11.10	10.68	10.71
5152	NASDAQ	OSUR	Fri, Aug 24, 2012	10.65	10.97	10.62	10.94
5151	NASDAQ	OSUR	Thu, Aug 23, 2012	10.85	11.00	10.63	10.72
5150	NASDAQ	OSUR	Wed, Aug 22, 2012	10.75	11.05	10.46	10.88
5149	NASDAQ	OSUR	Tue, Aug 21, 2012	10.55	10.94	10.55	10.76
5148	NASDAQ	OSUR	Mon, Aug 20, 2012	10.71	10.78	10.47	10.52
5147	NASDAQ	OSUR	Fri, Aug 17, 2012	10.50	10.85	10.49	10.71
5146	NASDAQ	OSUR	Thu, Aug 16, 2012	10.12	10.57	10.04	10.48
5145	NASDAQ	OSUR	Wed, Aug 15, 2012	9.76	10.15	9.76	10.13
5144	NASDAQ	OSUR	Tue, Aug 14, 2012	10.02	10.16	9.74	9.76
5143	NASDAQ	OSUR	Mon, Aug 13, 2012	10.13	10.13	9.78	9.94
5142	NASDAQ	OSUR	Fri, Aug 10, 2012	9.93	10.35	9.88	10.12
5141	NASDAQ	OSUR	Thu, Aug 9, 2012	9.79	9.94	9.72	9.75
5140	NASDAQ	OSUR	Wed, Aug 8, 2012	10.17	10.32	9.60	9.84
5139	NASDAQ	OSUR	Tue, Aug 7, 2012	10.68	10.78	10.40	10.42
5138	NASDAQ	OSUR	Mon, Aug 6, 2012	10.65	10.89	10.56	10.59
5137	NASDAQ	OSUR	Fri, Aug 3, 2012	10.43	10.76	10.34	10.67
5136	NASDAQ	OSUR	Thu, Aug 2, 2012	10.40	10.55	10.19	10.27
5135	NASDAQ	OSUR	Wed, Aug 1, 2012	10.73	10.85	10.42	10.42
5134	NASDAQ	OSUR	Tue, Jul 31, 2012	10.70	10.90	10.57	10.61
5133	NASDAQ	OSUR	Mon, Jul 30, 2012	11.17	11.20	10.64	10.72
5132	NASDAQ	OSUR	Fri, Jul 27, 2012	10.86	11.18	10.74	11.15
5131	NASDAQ	OSUR	Thu, Jul 26, 2012	11.01	11.01	10.73	10.84
5130	NASDAQ	OSUR	Wed, Jul 25, 2012	10.68	10.86	10.57	10.85
5129	NASDAQ	OSUR	Tue, Jul 24, 2012	10.76	10.87	10.44	10.56
5128	NASDAQ	OSUR	Mon, Jul 23, 2012	11.02	11.06	10.68	10.75
5127	NASDAQ	OSUR	Fri, Jul 20, 2012	11.59	11.71	11.01	11.15
5126	NASDAQ	OSUR	Thu, Jul 19, 2012	11.94	11.97	11.54	11.75
5125	NASDAQ	OSUR	Wed, Jul 18, 2012	11.98	12.15	11.83	11.89
5124	NASDAQ	OSUR	Tue, Jul 17, 2012	12.48	12.48	11.80	12.00
5123	NASDAQ	OSUR	Mon, Jul 16, 2012	12.33	12.40	12.29	12.32
5122	NASDAQ	OSUR	Fri, Jul 13, 2012	12.43	12.44	11.79	12.32
5121	NASDAQ	OSUR	Thu, Jul 12, 2012	12.34	12.42	12.30	12.33
5120	NASDAQ	OSUR	Wed, Jul 11, 2012	12.71	12.78	12.30	12.51
5119	NASDAQ	OSUR	Tue, Jul 10, 2012	12.84	13.36	12.10	12.34
5118	NASDAQ	OSUR	Mon, Jul 9, 2012	13.22	14.01	13.21	13.38
5117	NASDAQ	OSUR	Fri, Jul 6, 2012	13.10	13.59	12.76	13.19
5116	NASDAQ	OSUR	Thu, Jul 5, 2012	12.60	13.65	12.44	13.36
5115	NASDAQ	OSUR	Tue, Jul 3, 2012	11.56	12.19	11.40	12.10
5114	NASDAQ	OSUR	Mon, Jul 2, 2012	11.32	11.52	11.00	11.50
5113	NASDAQ	OSUR	Fri, Jun 29, 2012	10.60	11.28	10.24	11.24
5112	NASDAQ	OSUR	Thu, Jun 28, 2012	10.44	10.49	10.10	10.32
5111	NASDAQ	OSUR	Wed, Jun 27, 2012	10.36	10.71	10.33	10.48
5110	NASDAQ	OSUR	Tue, Jun 26, 2012	10.25	10.42	10.23	10.27
5109	NASDAQ	OSUR	Mon, Jun 25, 2012	10.14	10.36	10.06	10.25
5108	NASDAQ	OSUR	Fri, Jun 22, 2012	10.24	10.39	10.16	10.37
5107	NASDAQ	OSUR	Thu, Jun 21, 2012	10.70	10.71	10.16	10.20
5106	NASDAQ	OSUR	Wed, Jun 20, 2012	10.63	10.93	10.46	10.74
5105	NASDAQ	OSUR	Tue, Jun 19, 2012	10.51	10.66	10.26	10.62
5104	NASDAQ	OSUR	Mon, Jun 18, 2012	10.29	10.57	10.20	10.48
5103	NASDAQ	OSUR	Fri, Jun 15, 2012	10.08	10.42	10.08	10.40
5102	NASDAQ	OSUR	Thu, Jun 14, 2012	9.98	10.15	9.92	10.04
5101	NASDAQ	OSUR	Wed, Jun 13, 2012	10.15	10.20	9.90	9.96
5100	NASDAQ	OSUR	Tue, Jun 12, 2012	10.24	10.24	10.01	10.19
5099	NASDAQ	OSUR	Mon, Jun 11, 2012	10.64	10.82	10.19	10.21
5098	NASDAQ	OSUR	Fri, Jun 8, 2012	10.38	10.70	10.15	10.53
5097	NASDAQ	OSUR	Thu, Jun 7, 2012	10.43	10.54	10.20	10.38
5096	NASDAQ	OSUR	Wed, Jun 6, 2012	10.07	10.42	9.93	10.22
5095	NASDAQ	OSUR	Tue, Jun 5, 2012	10.01	10.26	9.90	9.95
5094	NASDAQ	OSUR	Mon, Jun 4, 2012	10.18	10.35	9.98	10.11
5093	NASDAQ	OSUR	Fri, Jun 1, 2012	10.06	10.31	9.91	10.08
5092	NASDAQ	OSUR	Thu, May 31, 2012	10.30	10.42	10.00	10.35
5091	NASDAQ	OSUR	Wed, May 30, 2012	10.41	10.49	10.21	10.31
5090	NASDAQ	OSUR	Tue, May 29, 2012	10.52	10.61	10.18	10.50
5089	NASDAQ	OSUR	Fri, May 25, 2012	10.56	10.68	10.21	10.37
5088	NASDAQ	OSUR	Thu, May 24, 2012	10.43	10.65	10.39	10.58
5087	NASDAQ	OSUR	Wed, May 23, 2012	10.21	10.43	10.01	10.42
5086	NASDAQ	OSUR	Tue, May 22, 2012	10.85	10.98	10.24	10.32
5085	NASDAQ	OSUR	Mon, May 21, 2012	10.50	10.98	10.41	10.82
5084	NASDAQ	OSUR	Fri, May 18, 2012	10.45	10.82	9.90	10.40
5083	NASDAQ	OSUR	Thu, May 17, 2012	11.02	11.07	10.00	10.43
5082	NASDAQ	OSUR	Wed, May 16, 2012	12.00	12.28	10.32	10.95
5081	NASDAQ	OSUR	Mon, May 14, 2012	9.73	9.81	8.90	9.10
5080	NASDAQ	OSUR	Fri, May 11, 2012	11.06	11.17	9.55	9.85
5079	NASDAQ	OSUR	Thu, May 10, 2012	10.91	11.20	10.82	11.17
5078	NASDAQ	OSUR	Wed, May 9, 2012	10.43	10.85	10.35	10.82
5077	NASDAQ	OSUR	Tue, May 8, 2012	10.27	10.65	10.07	10.64
5076	NASDAQ	OSUR	Mon, May 7, 2012	10.04	10.43	9.62	10.37
5075	NASDAQ	OSUR	Fri, May 4, 2012	10.45	10.57	10.06	10.06
5074	NASDAQ	OSUR	Thu, May 3, 2012	10.96	11.06	10.46	10.51
5073	NASDAQ	OSUR	Wed, May 2, 2012	11.27	11.28	10.96	11.07
5072	NASDAQ	OSUR	Tue, May 1, 2012	11.45	11.48	10.95	11.17
5071	NASDAQ	OSUR	Mon, Apr 30, 2012	11.48	11.50	11.34	11.47
5070	NASDAQ	OSUR	Fri, Apr 27, 2012	11.36	11.48	11.19	11.45
5069	NASDAQ	OSUR	Thu, Apr 26, 2012	11.40	11.47	11.35	11.36
5068	NASDAQ	OSUR	Wed, Apr 25, 2012	11.19	11.45	11.12	11.44
5067	NASDAQ	OSUR	Tue, Apr 24, 2012	10.88	11.04	10.73	11.02
5066	NASDAQ	OSUR	Mon, Apr 23, 2012	10.75	11.04	10.70	10.85
5065	NASDAQ	OSUR	Fri, Apr 20, 2012	10.68	10.98	10.50	10.93
5064	NASDAQ	OSUR	Thu, Apr 19, 2012	10.40	10.63	10.31	10.57
5063	NASDAQ	OSUR	Wed, Apr 18, 2012	10.44	10.48	10.30	10.37
5062	NASDAQ	OSUR	Tue, Apr 17, 2012	10.48	10.60	10.38	10.51
5061	NASDAQ	OSUR	Mon, Apr 16, 2012	10.44	10.47	10.19	10.37
5060	NASDAQ	OSUR	Fri, Apr 13, 2012	10.52	10.59	10.31	10.41
5059	NASDAQ	OSUR	Thu, Apr 12, 2012	10.58	10.69	10.54	10.59
5058	NASDAQ	OSUR	Wed, Apr 11, 2012	10.69	10.70	10.47	10.60
5057	NASDAQ	OSUR	Tue, Apr 10, 2012	11.04	11.12	10.53	10.56
5056	NASDAQ	OSUR	Mon, Apr 9, 2012	10.96	11.11	10.80	10.88
5055	NASDAQ	OSUR	Thu, Apr 5, 2012	11.24	11.29	11.08	11.18
5054	NASDAQ	OSUR	Wed, Apr 4, 2012	11.30	11.44	11.15	11.29
5053	NASDAQ	OSUR	Tue, Apr 3, 2012	11.44	11.51	11.42	11.47
5052	NASDAQ	OSUR	Mon, Apr 2, 2012	11.43	11.51	11.33	11.51
5051	NASDAQ	OSUR	Fri, Mar 30, 2012	11.53	11.58	11.44	11.49
5050	NASDAQ	OSUR	Thu, Mar 29, 2012	11.30	11.50	11.30	11.48
5049	NASDAQ	OSUR	Wed, Mar 28, 2012	11.38	11.50	11.18	11.39
5048	NASDAQ	OSUR	Tue, Mar 27, 2012	11.21	11.60	11.21	11.43
5047	NASDAQ	OSUR	Mon, Mar 26, 2012	10.88	11.05	10.82	11.05
5046	NASDAQ	OSUR	Fri, Mar 23, 2012	10.85	10.85	10.61	10.71
5045	NASDAQ	OSUR	Thu, Mar 22, 2012	10.96	10.96	10.66	10.84
5044	NASDAQ	OSUR	Wed, Mar 21, 2012	10.94	11.14	10.75	11.00
5043	NASDAQ	OSUR	Tue, Mar 20, 2012	10.46	10.77	10.41	10.60
5042	NASDAQ	OSUR	Mon, Mar 19, 2012	10.31	10.71	10.17	10.56
5041	NASDAQ	OSUR	Fri, Mar 16, 2012	10.16	10.35	10.02	10.33
5040	NASDAQ	OSUR	Thu, Mar 15, 2012	9.70	10.13	9.60	10.13
5039	NASDAQ	OSUR	Wed, Mar 14, 2012	9.65	9.84	9.60	9.69
5038	NASDAQ	OSUR	Tue, Mar 13, 2012	9.52	9.69	9.36	9.68
5037	NASDAQ	OSUR	Mon, Mar 12, 2012	9.48	9.58	9.36	9.42
5036	NASDAQ	OSUR	Fri, Mar 9, 2012	9.47	9.73	9.38	9.48
5035	NASDAQ	OSUR	Thu, Mar 8, 2012	9.40	9.53	9.28	9.45
5034	NASDAQ	OSUR	Wed, Mar 7, 2012	9.48	9.68	9.30	9.33
5033	NASDAQ	OSUR	Tue, Mar 6, 2012	9.67	9.68	9.44	9.45
5032	NASDAQ	OSUR	Mon, Mar 5, 2012	9.68	9.97	9.66	9.83
5031	NASDAQ	OSUR	Fri, Mar 2, 2012	10.05	10.17	9.70	9.71
5030	NASDAQ	OSUR	Thu, Mar 1, 2012	10.08	10.35	10.01	10.04
5029	NASDAQ	OSUR	Wed, Feb 29, 2012	10.26	10.31	10.01	10.03
5028	NASDAQ	OSUR	Tue, Feb 28, 2012	10.35	10.41	10.11	10.23
5027	NASDAQ	OSUR	Mon, Feb 27, 2012	10.70	10.70	10.31	10.37
5026	NASDAQ	OSUR	Fri, Feb 24, 2012	10.53	10.94	10.36	10.84
5025	NASDAQ	OSUR	Thu, Feb 23, 2012	10.09	10.52	10.09	10.51
5024	NASDAQ	OSUR	Wed, Feb 22, 2012	10.19	10.28	10.02	10.10
5023	NASDAQ	OSUR	Tue, Feb 21, 2012	10.44	10.51	10.13	10.24
5022	NASDAQ	OSUR	Fri, Feb 17, 2012	10.78	10.82	10.33	10.46
5021	NASDAQ	OSUR	Thu, Feb 16, 2012	10.46	10.84	10.40	10.76
5020	NASDAQ	OSUR	Wed, Feb 15, 2012	10.74	10.74	10.40	10.46
5019	NASDAQ	OSUR	Tue, Feb 14, 2012	10.52	10.71	10.50	10.69
5018	NASDAQ	OSUR	Mon, Feb 13, 2012	10.54	10.72	10.34	10.60
5017	NASDAQ	OSUR	Fri, Feb 10, 2012	10.49	10.66	10.27	10.42
5016	NASDAQ	OSUR	Thu, Feb 9, 2012	10.25	11.15	10.00	10.80
5015	NASDAQ	OSUR	Wed, Feb 8, 2012	11.25	11.25	10.78	11.00
5014	NASDAQ	OSUR	Tue, Feb 7, 2012	11.56	11.60	11.13	11.22
5013	NASDAQ	OSUR	Mon, Feb 6, 2012	11.25	11.78	11.10	11.56
5012	NASDAQ	OSUR	Fri, Feb 3, 2012	11.42	11.50	11.24	11.35
5011	NASDAQ	OSUR	Thu, Feb 2, 2012	11.46	11.50	11.18	11.23
5010	NASDAQ	OSUR	Wed, Feb 1, 2012	11.21	11.45	11.14	11.42
5009	NASDAQ	OSUR	Tue, Jan 31, 2012	11.14	11.23	10.79	11.12
5008	NASDAQ	OSUR	Mon, Jan 30, 2012	11.08	11.58	11.07	11.08
5007	NASDAQ	OSUR	Fri, Jan 27, 2012	10.98	11.25	10.98	11.21
5006	NASDAQ	OSUR	Thu, Jan 26, 2012	11.20	11.20	10.88	11.06
5005	NASDAQ	OSUR	Wed, Jan 25, 2012	10.93	11.17	10.69	11.15
5004	NASDAQ	OSUR	Tue, Jan 24, 2012	11.20	11.27	10.92	10.94
5003	NASDAQ	OSUR	Mon, Jan 23, 2012	11.17	11.57	11.16	11.29
5002	NASDAQ	OSUR	Fri, Jan 20, 2012	11.16	11.50	11.06	11.24
5001	NASDAQ	OSUR	Thu, Jan 19, 2012	10.88	11.57	10.80	11.15
5000	NASDAQ	OSUR	Wed, Jan 18, 2012	9.89	10.95	9.76	10.84
4999	NASDAQ	OSUR	Tue, Jan 17, 2012	9.92	9.98	9.78	9.88
4998	NASDAQ	OSUR	Fri, Jan 13, 2012	9.76	9.87	9.64	9.80
4997	NASDAQ	OSUR	Thu, Jan 12, 2012	9.79	9.97	9.17	9.94
4996	NASDAQ	OSUR	Wed, Jan 11, 2012	9.69	9.83	9.62	9.79
4995	NASDAQ	OSUR	Tue, Jan 10, 2012	9.57	9.88	9.53	9.77
4994	NASDAQ	OSUR	Mon, Jan 9, 2012	9.89	9.89	9.43	9.44
4993	NASDAQ	OSUR	Fri, Jan 6, 2012	9.60	9.96	9.42	9.86
4992	NASDAQ	OSUR	Thu, Jan 5, 2012	9.41	9.69	9.18	9.57
4991	NASDAQ	OSUR	Wed, Jan 4, 2012	9.49	9.55	9.30	9.32
4990	NASDAQ	OSUR	Tue, Jan 3, 2012	9.35	9.55	9.23	9.51
4989	NASDAQ	OSUR	Fri, Dec 30, 2011	9.14	9.24	9.07	9.11
4988	NASDAQ	OSUR	Thu, Dec 29, 2011	9.03	9.31	9.02	9.17
4987	NASDAQ	OSUR	Wed, Dec 28, 2011	9.48	9.48	8.97	9.01
4986	NASDAQ	OSUR	Tue, Dec 27, 2011	9.10	9.51	8.90	9.50
4985	NASDAQ	OSUR	Fri, Dec 23, 2011	9.37	9.37	9.12	9.16
4984	NASDAQ	OSUR	Thu, Dec 22, 2011	9.56	9.60	9.29	9.33
4983	NASDAQ	OSUR	Wed, Dec 21, 2011	9.50	9.62	9.29	9.50
4982	NASDAQ	OSUR	Tue, Dec 20, 2011	8.97	9.54	8.95	9.50
4981	NASDAQ	OSUR	Mon, Dec 19, 2011	9.10	9.29	8.75	8.76
4980	NASDAQ	OSUR	Fri, Dec 16, 2011	9.04	9.14	8.93	9.06
4979	NASDAQ	OSUR	Thu, Dec 15, 2011	9.04	9.05	8.87	8.96
4978	NASDAQ	OSUR	Wed, Dec 14, 2011	9.07	9.23	8.76	8.86
4977	NASDAQ	OSUR	Tue, Dec 13, 2011	9.37	9.49	9.06	9.16
4976	NASDAQ	OSUR	Mon, Dec 12, 2011	9.22	9.31	9.12	9.27
4975	NASDAQ	OSUR	Fri, Dec 9, 2011	9.53	9.57	9.25	9.39
4974	NASDAQ	OSUR	Thu, Dec 8, 2011	9.68	9.79	9.46	9.47
4973	NASDAQ	OSUR	Wed, Dec 7, 2011	9.79	9.85	9.52	9.78
4972	NASDAQ	OSUR	Tue, Dec 6, 2011	9.91	9.96	9.80	9.85
4971	NASDAQ	OSUR	Mon, Dec 5, 2011	9.67	9.90	9.49	9.89
4970	NASDAQ	OSUR	Fri, Dec 2, 2011	9.53	9.67	9.40	9.50
4969	NASDAQ	OSUR	Thu, Dec 1, 2011	9.49	9.74	9.26	9.40
4968	NASDAQ	OSUR	Wed, Nov 30, 2011	8.87	9.50	8.87	9.50
4967	NASDAQ	OSUR	Tue, Nov 29, 2011	7.89	8.59	7.89	8.55
4966	NASDAQ	OSUR	Mon, Nov 28, 2011	8.02	8.21	7.79	7.86
4965	NASDAQ	OSUR	Fri, Nov 25, 2011	7.86	8.04	7.72	7.72
4964	NASDAQ	OSUR	Wed, Nov 23, 2011	8.24	8.35	7.91	7.93
4963	NASDAQ	OSUR	Tue, Nov 22, 2011	8.42	8.56	8.31	8.31
4962	NASDAQ	OSUR	Mon, Nov 21, 2011	8.43	8.55	8.28	8.43
4961	NASDAQ	OSUR	Fri, Nov 18, 2011	8.48	8.67	8.38	8.63
4960	NASDAQ	OSUR	Thu, Nov 17, 2011	8.35	8.50	8.26	8.48
4959	NASDAQ	OSUR	Wed, Nov 16, 2011	8.29	8.54	8.24	8.36
4958	NASDAQ	OSUR	Tue, Nov 15, 2011	8.22	8.45	8.12	8.38
4957	NASDAQ	OSUR	Mon, Nov 14, 2011	8.72	8.72	8.28	8.30
4956	NASDAQ	OSUR	Fri, Nov 11, 2011	8.72	8.84	8.56	8.77
4955	NASDAQ	OSUR	Thu, Nov 10, 2011	8.69	8.80	8.45	8.58
4954	NASDAQ	OSUR	Wed, Nov 9, 2011	8.77	9.00	8.57	8.59
4953	NASDAQ	OSUR	Tue, Nov 8, 2011	8.96	9.13	8.74	9.09
4952	NASDAQ	OSUR	Mon, Nov 7, 2011	8.86	9.00	8.49	8.88
4951	NASDAQ	OSUR	Fri, Nov 4, 2011	9.16	9.18	8.80	8.86
4950	NASDAQ	OSUR	Thu, Nov 3, 2011	9.57	9.57	9.12	9.30
4949	NASDAQ	OSUR	Wed, Nov 2, 2011	9.27	9.42	8.99	9.36
4948	NASDAQ	OSUR	Tue, Nov 1, 2011	8.80	9.28	8.57	9.07
4947	NASDAQ	OSUR	Mon, Oct 31, 2011	9.41	9.49	9.03	9.29
4946	NASDAQ	OSUR	Fri, Oct 28, 2011	9.58	9.75	9.44	9.63
4945	NASDAQ	OSUR	Thu, Oct 27, 2011	9.49	9.67	9.26	9.62
4944	NASDAQ	OSUR	Wed, Oct 26, 2011	9.15	9.35	8.97	9.28
4943	NASDAQ	OSUR	Tue, Oct 25, 2011	9.20	9.23	8.94	8.97
4942	NASDAQ	OSUR	Mon, Oct 24, 2011	9.08	9.35	8.90	9.29
4941	NASDAQ	OSUR	Fri, Oct 21, 2011	9.35	9.35	8.91	9.06
4940	NASDAQ	OSUR	Thu, Oct 20, 2011	8.81	9.29	8.61	9.20
4939	NASDAQ	OSUR	Wed, Oct 19, 2011	9.03	9.21	8.73	8.81
4938	NASDAQ	OSUR	Tue, Oct 18, 2011	8.72	9.11	8.52	9.02
4937	NASDAQ	OSUR	Mon, Oct 17, 2011	9.04	9.10	8.61	8.69
4936	NASDAQ	OSUR	Fri, Oct 14, 2011	8.95	9.17	8.59	9.17
4935	NASDAQ	OSUR	Thu, Oct 13, 2011	9.02	9.08	8.79	8.82
4934	NASDAQ	OSUR	Wed, Oct 12, 2011	9.29	9.34	9.01	9.10
4933	NASDAQ	OSUR	Tue, Oct 11, 2011	9.14	9.27	8.92	9.16
4932	NASDAQ	OSUR	Mon, Oct 10, 2011	8.94	9.23	8.68	9.22
4931	NASDAQ	OSUR	Fri, Oct 7, 2011	8.96	9.05	8.71	8.77
4930	NASDAQ	OSUR	Thu, Oct 6, 2011	8.90	9.04	8.57	8.99
4929	NASDAQ	OSUR	Wed, Oct 5, 2011	8.50	9.04	8.23	8.88
4928	NASDAQ	OSUR	Tue, Oct 4, 2011	7.71	8.50	7.52	8.49
4927	NASDAQ	OSUR	Mon, Oct 3, 2011	7.87	8.18	7.74	7.74
4926	NASDAQ	OSUR	Fri, Sep 30, 2011	8.06	8.23	7.94	7.96
4925	NASDAQ	OSUR	Thu, Sep 29, 2011	8.26	8.27	7.95	8.20
4924	NASDAQ	OSUR	Wed, Sep 28, 2011	8.24	8.27	7.97	8.01
4923	NASDAQ	OSUR	Tue, Sep 27, 2011	7.75	8.43	7.71	8.27
4922	NASDAQ	OSUR	Mon, Sep 26, 2011	7.29	7.56	7.02	7.53
4921	NASDAQ	OSUR	Fri, Sep 23, 2011	7.26	7.48	6.94	7.20
4920	NASDAQ	OSUR	Thu, Sep 22, 2011	7.32	7.38	7.10	7.27
4919	NASDAQ	OSUR	Wed, Sep 21, 2011	7.48	7.73	7.28	7.60
4918	NASDAQ	OSUR	Tue, Sep 20, 2011	7.89	7.90	7.47	7.49
4917	NASDAQ	OSUR	Mon, Sep 19, 2011	7.63	7.94	7.53	7.87
4916	NASDAQ	OSUR	Fri, Sep 16, 2011	7.55	7.86	7.54	7.84
4915	NASDAQ	OSUR	Thu, Sep 15, 2011	7.62	7.62	7.24	7.48
4914	NASDAQ	OSUR	Wed, Sep 14, 2011	7.41	7.66	7.14	7.51
4913	NASDAQ	OSUR	Tue, Sep 13, 2011	7.24	7.48	7.14	7.33
4912	NASDAQ	OSUR	Mon, Sep 12, 2011	6.86	7.29	6.86	7.21
4911	NASDAQ	OSUR	Fri, Sep 9, 2011	7.29	7.33	6.87	7.03
4910	NASDAQ	OSUR	Thu, Sep 8, 2011	7.29	7.50	7.21	7.42
4909	NASDAQ	OSUR	Wed, Sep 7, 2011	7.11	7.32	6.95	7.31
4908	NASDAQ	OSUR	Tue, Sep 6, 2011	6.57	6.96	6.46	6.94
4907	NASDAQ	OSUR	Fri, Sep 2, 2011	6.75	6.98	6.72	6.86
4906	NASDAQ	OSUR	Thu, Sep 1, 2011	7.32	7.56	6.90	6.95
4905	NASDAQ	OSUR	Wed, Aug 31, 2011	7.63	7.80	7.16	7.33
4904	NASDAQ	OSUR	Tue, Aug 30, 2011	7.68	7.68	7.35	7.56
4903	NASDAQ	OSUR	Mon, Aug 29, 2011	7.37	7.82	7.30	7.77
4902	NASDAQ	OSUR	Fri, Aug 26, 2011	6.87	7.29	6.83	7.27
4901	NASDAQ	OSUR	Thu, Aug 25, 2011	7.24	7.24	6.83	6.98
4900	NASDAQ	OSUR	Wed, Aug 24, 2011	7.11	7.22	6.86	7.15
4899	NASDAQ	OSUR	Tue, Aug 23, 2011	6.40	7.07	6.31	7.06
4898	NASDAQ	OSUR	Mon, Aug 22, 2011	6.67	6.70	6.29	6.36
4897	NASDAQ	OSUR	Fri, Aug 19, 2011	6.50	6.98	6.41	6.44
4896	NASDAQ	OSUR	Thu, Aug 18, 2011	6.94	6.99	6.63	6.70
4895	NASDAQ	OSUR	Wed, Aug 17, 2011	7.37	7.50	7.15	7.23
4894	NASDAQ	OSUR	Tue, Aug 16, 2011	7.49	7.60	7.22	7.29
4893	NASDAQ	OSUR	Mon, Aug 15, 2011	7.36	7.62	7.31	7.62
4892	NASDAQ	OSUR	Fri, Aug 12, 2011	7.34	7.34	7.07	7.29
4891	NASDAQ	OSUR	Thu, Aug 11, 2011	6.98	7.35	6.74	7.18
4890	NASDAQ	OSUR	Wed, Aug 10, 2011	7.29	8.16	6.87	6.91
4889	NASDAQ	OSUR	Tue, Aug 9, 2011	7.00	7.58	6.56	7.57
4888	NASDAQ	OSUR	Mon, Aug 8, 2011	7.64	7.68	6.70	6.76
4887	NASDAQ	OSUR	Fri, Aug 5, 2011	7.81	8.00	7.00	7.45
4886	NASDAQ	OSUR	Thu, Aug 4, 2011	8.26	8.53	7.67	7.73
4885	NASDAQ	OSUR	Wed, Aug 3, 2011	8.75	8.91	8.43	8.56
4884	NASDAQ	OSUR	Tue, Aug 2, 2011	9.08	9.37	8.75	8.78
4883	NASDAQ	OSUR	Mon, Aug 1, 2011	9.36	9.36	8.91	9.14
4882	NASDAQ	OSUR	Fri, Jul 29, 2011	9.22	9.50	8.79	9.20
4881	NASDAQ	OSUR	Thu, Jul 28, 2011	8.64	9.42	8.64	9.40
4880	NASDAQ	OSUR	Wed, Jul 27, 2011	8.77	8.91	8.40	8.52
4879	NASDAQ	OSUR	Tue, Jul 26, 2011	9.28	9.29	8.81	8.87
4878	NASDAQ	OSUR	Mon, Jul 25, 2011	9.60	9.67	9.23	9.25
4877	NASDAQ	OSUR	Fri, Jul 22, 2011	9.84	9.90	9.47	9.77
4876	NASDAQ	OSUR	Thu, Jul 21, 2011	9.77	9.97	9.57	9.82
4875	NASDAQ	OSUR	Wed, Jul 20, 2011	9.84	9.84	9.39	9.69
4874	NASDAQ	OSUR	Tue, Jul 19, 2011	9.90	10.10	9.72	9.89
4873	NASDAQ	OSUR	Mon, Jul 18, 2011	9.75	9.90	9.43	9.86
4872	NASDAQ	OSUR	Fri, Jul 15, 2011	9.71	9.95	9.64	9.82
4871	NASDAQ	OSUR	Thu, Jul 14, 2011	9.75	9.85	9.53	9.70
4870	NASDAQ	OSUR	Wed, Jul 13, 2011	9.55	9.94	9.50	9.75
4869	NASDAQ	OSUR	Tue, Jul 12, 2011	9.48	9.80	9.35	9.51
4868	NASDAQ	OSUR	Mon, Jul 11, 2011	9.75	9.88	9.46	9.59
4867	NASDAQ	OSUR	Fri, Jul 8, 2011	9.80	10.10	9.50	9.93
4866	NASDAQ	OSUR	Thu, Jul 7, 2011	9.50	10.05	9.38	9.99
4865	NASDAQ	OSUR	Wed, Jul 6, 2011	8.95	9.39	8.90	9.38
4864	NASDAQ	OSUR	Tue, Jul 5, 2011	8.85	9.03	8.85	8.95
4863	NASDAQ	OSUR	Fri, Jul 1, 2011	8.55	8.91	8.55	8.87
4862	NASDAQ	OSUR	Thu, Jun 30, 2011	8.56	8.58	8.47	8.53
4861	NASDAQ	OSUR	Wed, Jun 29, 2011	8.46	8.57	8.38	8.50
4860	NASDAQ	OSUR	Tue, Jun 28, 2011	8.35	8.44	8.25	8.43
4859	NASDAQ	OSUR	Mon, Jun 27, 2011	8.19	8.41	8.18	8.29
4858	NASDAQ	OSUR	Fri, Jun 24, 2011	8.31	8.32	8.11	8.16
4857	NASDAQ	OSUR	Thu, Jun 23, 2011	8.01	8.32	7.89	8.29
4856	NASDAQ	OSUR	Wed, Jun 22, 2011	8.24	8.29	8.10	8.15
4855	NASDAQ	OSUR	Tue, Jun 21, 2011	8.25	8.46	8.13	8.28
4854	NASDAQ	OSUR	Mon, Jun 20, 2011	8.12	8.25	8.08	8.19
4853	NASDAQ	OSUR	Fri, Jun 17, 2011	8.34	8.34	7.99	8.17
4852	NASDAQ	OSUR	Thu, Jun 16, 2011	8.37	8.47	8.15	8.26
4851	NASDAQ	OSUR	Wed, Jun 15, 2011	8.28	8.55	8.25	8.36
4850	NASDAQ	OSUR	Tue, Jun 14, 2011	8.36	8.65	8.22	8.39
4849	NASDAQ	OSUR	Mon, Jun 13, 2011	8.30	8.30	8.14	8.25
4848	NASDAQ	OSUR	Fri, Jun 10, 2011	8.15	8.31	8.15	8.25
4847	NASDAQ	OSUR	Thu, Jun 9, 2011	8.25	8.37	8.15	8.20
4846	NASDAQ	OSUR	Wed, Jun 8, 2011	8.21	8.35	8.14	8.20
4845	NASDAQ	OSUR	Tue, Jun 7, 2011	8.37	8.37	8.18	8.26
4844	NASDAQ	OSUR	Mon, Jun 6, 2011	8.17	8.34	8.05	8.25
4843	NASDAQ	OSUR	Fri, Jun 3, 2011	8.34	8.57	8.04	8.19
4842	NASDAQ	OSUR	Thu, Jun 2, 2011	8.50	8.63	8.45	8.55
4841	NASDAQ	OSUR	Wed, Jun 1, 2011	8.58	8.58	8.31	8.50
4840	NASDAQ	OSUR	Tue, May 31, 2011	8.71	8.71	8.42	8.62
4839	NASDAQ	OSUR	Fri, May 27, 2011	8.49	8.70	8.44	8.62
4838	NASDAQ	OSUR	Thu, May 26, 2011	8.32	8.56	8.27	8.45
4837	NASDAQ	OSUR	Wed, May 25, 2011	7.96	8.54	7.86	8.39
4836	NASDAQ	OSUR	Tue, May 24, 2011	7.89	8.06	7.77	7.97
4835	NASDAQ	OSUR	Mon, May 23, 2011	7.45	7.87	7.43	7.84
4834	NASDAQ	OSUR	Fri, May 20, 2011	7.73	7.73	7.50	7.68
4833	NASDAQ	OSUR	Thu, May 19, 2011	7.46	7.86	7.41	7.81
4832	NASDAQ	OSUR	Wed, May 18, 2011	7.18	7.44	7.18	7.41
4831	NASDAQ	OSUR	Tue, May 17, 2011	7.42	7.55	7.06	7.12
4830	NASDAQ	OSUR	Mon, May 16, 2011	7.43	7.59	7.14	7.50
4829	NASDAQ	OSUR	Fri, May 13, 2011	7.79	7.79	7.36	7.52
4828	NASDAQ	OSUR	Thu, May 12, 2011	7.47	7.90	7.30	7.77
4827	NASDAQ	OSUR	Wed, May 11, 2011	7.95	7.95	7.45	7.55
4826	NASDAQ	OSUR	Tue, May 10, 2011	8.06	8.14	7.82	8.00
4825	NASDAQ	OSUR	Mon, May 9, 2011	8.06	8.26	7.92	8.06
4824	NASDAQ	OSUR	Fri, May 6, 2011	8.43	8.43	7.86	8.09
4823	NASDAQ	OSUR	Thu, May 5, 2011	8.15	8.46	8.00	8.30
4822	NASDAQ	OSUR	Wed, May 4, 2011	8.62	8.69	8.19	8.29
4821	NASDAQ	OSUR	Tue, May 3, 2011	8.63	8.67	8.53	8.64
4820	NASDAQ	OSUR	Mon, May 2, 2011	8.88	8.88	8.63	8.65
4819	NASDAQ	OSUR	Fri, Apr 29, 2011	8.85	9.00	8.61	8.81
4818	NASDAQ	OSUR	Thu, Apr 28, 2011	8.56	8.85	8.55	8.82
4817	NASDAQ	OSUR	Wed, Apr 27, 2011	8.51	8.74	8.47	8.57
4816	NASDAQ	OSUR	Tue, Apr 26, 2011	8.55	8.79	8.41	8.53
4815	NASDAQ	OSUR	Mon, Apr 25, 2011	8.53	8.54	8.44	8.48
4814	NASDAQ	OSUR	Thu, Apr 21, 2011	8.63	8.63	8.44	8.50
4813	NASDAQ	OSUR	Wed, Apr 20, 2011	8.59	8.69	8.53	8.57
4812	NASDAQ	OSUR	Tue, Apr 19, 2011	8.35	8.51	8.32	8.41
4811	NASDAQ	OSUR	Mon, Apr 18, 2011	8.56	8.56	8.25	8.32
4810	NASDAQ	OSUR	Fri, Apr 15, 2011	8.59	8.88	8.44	8.73
4809	NASDAQ	OSUR	Thu, Apr 14, 2011	8.10	8.67	8.10	8.64
4808	NASDAQ	OSUR	Wed, Apr 13, 2011	8.52	8.52	8.10	8.20
4807	NASDAQ	OSUR	Tue, Apr 12, 2011	8.45	8.51	8.29	8.46
4806	NASDAQ	OSUR	Mon, Apr 11, 2011	8.60	8.69	8.39	8.47
4805	NASDAQ	OSUR	Fri, Apr 8, 2011	8.20	8.60	8.06	8.57
4804	NASDAQ	OSUR	Thu, Apr 7, 2011	8.33	8.34	8.11	8.12
4803	NASDAQ	OSUR	Wed, Apr 6, 2011	8.22	8.34	8.07	8.32
4802	NASDAQ	OSUR	Tue, Apr 5, 2011	7.86	8.21	7.45	8.18
4801	NASDAQ	OSUR	Mon, Apr 4, 2011	8.19	8.33	7.85	7.86
4800	NASDAQ	OSUR	Fri, Apr 1, 2011	7.88	8.15	7.79	8.13
4799	NASDAQ	OSUR	Thu, Mar 31, 2011	7.63	7.87	7.63	7.86
4798	NASDAQ	OSUR	Wed, Mar 30, 2011	7.81	7.85	7.70	7.79
4797	NASDAQ	OSUR	Tue, Mar 29, 2011	7.65	7.86	7.70	7.80
4796	NASDAQ	OSUR	Mon, Mar 28, 2011	7.61	7.81	7.60	7.67
4795	NASDAQ	OSUR	Fri, Mar 25, 2011	7.50	7.66	7.29	7.56
4794	NASDAQ	OSUR	Thu, Mar 24, 2011	7.42	7.49	7.17	7.49
4793	NASDAQ	OSUR	Wed, Mar 23, 2011	7.00	7.44	6.90	7.37
4792	NASDAQ	OSUR	Tue, Mar 22, 2011	6.99	7.06	6.86	7.00
4791	NASDAQ	OSUR	Mon, Mar 21, 2011	6.82	7.05	6.82	6.99
4790	NASDAQ	OSUR	Fri, Mar 18, 2011	6.53	6.73	6.51	6.73
4789	NASDAQ	OSUR	Thu, Mar 17, 2011	6.68	6.68	6.43	6.49
4788	NASDAQ	OSUR	Wed, Mar 16, 2011	6.75	6.80	6.37	6.59
4787	NASDAQ	OSUR	Tue, Mar 15, 2011	6.52	6.81	6.44	6.76
4786	NASDAQ	OSUR	Mon, Mar 14, 2011	6.83	7.15	6.66	6.77
4785	NASDAQ	OSUR	Fri, Mar 11, 2011	6.76	6.95	6.52	6.91
4784	NASDAQ	OSUR	Thu, Mar 10, 2011	7.15	7.15	6.67	6.79
4783	NASDAQ	OSUR	Wed, Mar 9, 2011	7.31	7.44	7.19	7.25
4782	NASDAQ	OSUR	Tue, Mar 8, 2011	7.17	7.39	7.05	7.31
4781	NASDAQ	OSUR	Mon, Mar 7, 2011	7.40	7.40	7.04	7.18
4780	NASDAQ	OSUR	Fri, Mar 4, 2011	7.14	7.40	6.96	7.33
4779	NASDAQ	OSUR	Thu, Mar 3, 2011	6.88	7.14	6.84	7.11
4778	NASDAQ	OSUR	Wed, Mar 2, 2011	6.52	6.78	6.52	6.76
4777	NASDAQ	OSUR	Tue, Mar 1, 2011	6.99	7.01	6.53	6.56
4776	NASDAQ	OSUR	Mon, Feb 28, 2011	6.77	7.13	6.73	6.93
4775	NASDAQ	OSUR	Fri, Feb 25, 2011	6.60	6.79	6.46	6.71
4774	NASDAQ	OSUR	Thu, Feb 24, 2011	6.68	6.78	6.53	6.59
4773	NASDAQ	OSUR	Wed, Feb 23, 2011	6.98	6.98	6.49	6.69
4772	NASDAQ	OSUR	Tue, Feb 22, 2011	7.50	7.51	6.98	6.99
4771	NASDAQ	OSUR	Fri, Feb 18, 2011	6.80	7.42	6.80	7.02
4770	NASDAQ	OSUR	Thu, Feb 17, 2011	6.72	6.75	6.68	6.75
4769	NASDAQ	OSUR	Wed, Feb 16, 2011	6.84	6.84	6.65	6.71
4768	NASDAQ	OSUR	Tue, Feb 15, 2011	6.83	6.83	6.69	6.78
4767	NASDAQ	OSUR	Mon, Feb 14, 2011	6.71	6.86	6.67	6.85
4766	NASDAQ	OSUR	Fri, Feb 11, 2011	6.70	6.77	6.62	6.74
4765	NASDAQ	OSUR	Thu, Feb 10, 2011	6.50	6.80	6.18	6.70
4764	NASDAQ	OSUR	Wed, Feb 9, 2011	6.30	6.55	6.21	6.55
4763	NASDAQ	OSUR	Tue, Feb 8, 2011	6.22	6.35	6.21	6.35
4762	NASDAQ	OSUR	Mon, Feb 7, 2011	6.28	6.55	6.21	6.22
4761	NASDAQ	OSUR	Fri, Feb 4, 2011	6.29	6.51	6.17	6.29
4760	NASDAQ	OSUR	Thu, Feb 3, 2011	6.26	6.35	6.15	6.28
4759	NASDAQ	OSUR	Wed, Feb 2, 2011	6.52	6.62	6.27	6.31
4758	NASDAQ	OSUR	Tue, Feb 1, 2011	6.55	6.78	6.47	6.57
4757	NASDAQ	OSUR	Mon, Jan 31, 2011	6.49	6.51	6.37	6.47
4756	NASDAQ	OSUR	Fri, Jan 28, 2011	6.80	6.80	6.32	6.44
4755	NASDAQ	OSUR	Thu, Jan 27, 2011	6.69	6.89	6.62	6.82
4754	NASDAQ	OSUR	Wed, Jan 26, 2011	6.75	6.77	6.59	6.68
4753	NASDAQ	OSUR	Tue, Jan 25, 2011	6.71	6.74	6.40	6.73
4752	NASDAQ	OSUR	Mon, Jan 24, 2011	6.77	6.80	6.69	6.74
4751	NASDAQ	OSUR	Fri, Jan 21, 2011	6.96	6.96	6.72	6.75
4750	NASDAQ	OSUR	Thu, Jan 20, 2011	6.71	6.96	6.65	6.86
4749	NASDAQ	OSUR	Wed, Jan 19, 2011	6.71	7.07	6.65	6.73
4748	NASDAQ	OSUR	Tue, Jan 18, 2011	6.78	6.88	6.70	6.70
4747	NASDAQ	OSUR	Fri, Jan 14, 2011	6.70	6.80	6.69	6.76
4746	NASDAQ	OSUR	Thu, Jan 13, 2011	6.72	6.75	6.64	6.68
4745	NASDAQ	OSUR	Wed, Jan 12, 2011	6.67	6.74	6.57	6.69
4744	NASDAQ	OSUR	Tue, Jan 11, 2011	6.66	6.66	6.45	6.58
4743	NASDAQ	OSUR	Mon, Jan 10, 2011	6.29	6.66	6.23	6.60
4742	NASDAQ	OSUR	Fri, Jan 7, 2011	6.21	6.41	6.02	6.29
4741	NASDAQ	OSUR	Thu, Jan 6, 2011	6.28	6.28	6.09	6.16
4740	NASDAQ	OSUR	Wed, Jan 5, 2011	6.07	6.27	6.04	6.26
4739	NASDAQ	OSUR	Tue, Jan 4, 2011	6.05	6.14	5.98	6.07
4738	NASDAQ	OSUR	Mon, Jan 3, 2011	5.82	6.06	5.81	6.01
4737	NASDAQ	OSUR	Fri, Dec 31, 2010	5.93	5.97	5.72	5.75
4736	NASDAQ	OSUR	Thu, Dec 30, 2010	6.00	6.03	5.94	5.97
4735	NASDAQ	OSUR	Wed, Dec 29, 2010	6.00	6.02	5.95	5.99
4734	NASDAQ	OSUR	Tue, Dec 28, 2010	6.05	6.15	5.98	5.99
4733	NASDAQ	OSUR	Mon, Dec 27, 2010	5.86	6.06	5.80	6.03
4732	NASDAQ	OSUR	Thu, Dec 23, 2010	5.59	5.88	5.53	5.86
4731	NASDAQ	OSUR	Wed, Dec 22, 2010	5.51	5.74	5.46	5.60
4730	NASDAQ	OSUR	Tue, Dec 21, 2010	5.58	5.60	5.44	5.53
4729	NASDAQ	OSUR	Mon, Dec 20, 2010	5.61	5.61	5.43	5.54
4728	NASDAQ	OSUR	Fri, Dec 17, 2010	5.65	5.68	5.52	5.61
4727	NASDAQ	OSUR	Thu, Dec 16, 2010	5.17	5.71	5.17	5.66
4726	NASDAQ	OSUR	Wed, Dec 15, 2010	5.36	5.56	5.36	5.47
4725	NASDAQ	OSUR	Tue, Dec 14, 2010	5.30	5.39	5.25	5.39
4724	NASDAQ	OSUR	Mon, Dec 13, 2010	5.24	5.30	5.20	5.25
4723	NASDAQ	OSUR	Fri, Dec 10, 2010	5.16	5.24	5.08	5.22
4722	NASDAQ	OSUR	Thu, Dec 9, 2010	5.29	5.29	5.15	5.16
4721	NASDAQ	OSUR	Wed, Dec 8, 2010	5.27	5.28	5.18	5.22
4720	NASDAQ	OSUR	Tue, Dec 7, 2010	5.35	5.35	5.17	5.23
4719	NASDAQ	OSUR	Mon, Dec 6, 2010	5.27	5.32	5.24	5.28
4718	NASDAQ	OSUR	Fri, Dec 3, 2010	5.23	5.34	5.13	5.30
4717	NASDAQ	OSUR	Thu, Dec 2, 2010	5.32	5.32	5.23	5.29
4716	NASDAQ	OSUR	Wed, Dec 1, 2010	5.38	5.46	5.27	5.29
4715	NASDAQ	OSUR	Tue, Nov 30, 2010	5.17	5.30	5.12	5.25
4714	NASDAQ	OSUR	Mon, Nov 29, 2010	4.99	5.30	4.81	5.22
4713	NASDAQ	OSUR	Fri, Nov 26, 2010	5.25	5.35	5.05	5.05
4712	NASDAQ	OSUR	Wed, Nov 24, 2010	5.28	5.43	5.21	5.30
4711	NASDAQ	OSUR	Tue, Nov 23, 2010	4.92	5.24	4.78	5.20
4710	NASDAQ	OSUR	Mon, Nov 22, 2010	4.79	5.20	4.61	4.99
4709	NASDAQ	OSUR	Fri, Nov 19, 2010	4.46	4.52	4.28	4.49
4708	NASDAQ	OSUR	Thu, Nov 18, 2010	4.36	4.52	4.36	4.44
4707	NASDAQ	OSUR	Wed, Nov 17, 2010	4.49	4.53	4.24	4.31
4706	NASDAQ	OSUR	Tue, Nov 16, 2010	4.50	4.55	4.43	4.49
4705	NASDAQ	OSUR	Mon, Nov 15, 2010	4.58	4.58	4.44	4.53
4704	NASDAQ	OSUR	Fri, Nov 12, 2010	4.61	4.69	4.53	4.53
4703	NASDAQ	OSUR	Thu, Nov 11, 2010	4.59	4.84	4.59	4.68
4702	NASDAQ	OSUR	Wed, Nov 10, 2010	4.27	4.68	4.06	4.66
4701	NASDAQ	OSUR	Tue, Nov 9, 2010	4.39	4.40	4.19	4.26
4700	NASDAQ	OSUR	Mon, Nov 8, 2010	4.45	4.48	4.35	4.37
4699	NASDAQ	OSUR	Fri, Nov 5, 2010	4.49	4.51	4.38	4.48
4698	NASDAQ	OSUR	Thu, Nov 4, 2010	4.27	4.52	4.27	4.47
4697	NASDAQ	OSUR	Wed, Nov 3, 2010	4.16	4.18	4.05	4.16
4696	NASDAQ	OSUR	Tue, Nov 2, 2010	4.01	4.18	3.92	4.17
4695	NASDAQ	OSUR	Mon, Nov 1, 2010	4.10	4.10	3.79	3.94
4694	NASDAQ	OSUR	Fri, Oct 29, 2010	3.96	4.07	3.93	4.07
4693	NASDAQ	OSUR	Thu, Oct 28, 2010	4.10	4.15	3.99	4.00
4692	NASDAQ	OSUR	Wed, Oct 27, 2010	4.06	4.12	3.98	4.04
4691	NASDAQ	OSUR	Tue, Oct 26, 2010	4.12	4.24	4.09	4.10
4690	NASDAQ	OSUR	Mon, Oct 25, 2010	4.26	4.37	4.05	4.17
4689	NASDAQ	OSUR	Fri, Oct 22, 2010	4.21	4.25	4.15	4.20
4688	NASDAQ	OSUR	Thu, Oct 21, 2010	4.34	4.38	4.03	4.26
4687	NASDAQ	OSUR	Wed, Oct 20, 2010	4.34	4.40	4.22	4.30
4686	NASDAQ	OSUR	Tue, Oct 19, 2010	4.42	4.46	4.26	4.32
4685	NASDAQ	OSUR	Mon, Oct 18, 2010	4.54	4.58	4.41	4.50
4684	NASDAQ	OSUR	Fri, Oct 15, 2010	4.65	4.65	4.45	4.51
4683	NASDAQ	OSUR	Thu, Oct 14, 2010	4.56	4.58	4.43	4.57
4682	NASDAQ	OSUR	Wed, Oct 13, 2010	4.50	4.63	4.38	4.58
4681	NASDAQ	OSUR	Tue, Oct 12, 2010	4.50	4.55	4.40	4.47
4680	NASDAQ	OSUR	Mon, Oct 11, 2010	4.45	4.60	4.29	4.52
4679	NASDAQ	OSUR	Fri, Oct 8, 2010	4.31	4.55	4.19	4.44
4678	NASDAQ	OSUR	Thu, Oct 7, 2010	4.60	4.60	4.30	4.30
4677	NASDAQ	OSUR	Wed, Oct 6, 2010	4.31	4.57	4.19	4.55
4676	NASDAQ	OSUR	Tue, Oct 5, 2010	4.13	4.36	3.97	4.32
4675	NASDAQ	OSUR	Mon, Oct 4, 2010	4.04	4.13	3.99	4.06
4674	NASDAQ	OSUR	Fri, Oct 1, 2010	4.10	4.11	4.00	4.07
4673	NASDAQ	OSUR	Thu, Sep 30, 2010	4.10	4.12	3.99	4.05
4672	NASDAQ	OSUR	Wed, Sep 29, 2010	4.13	4.13	3.99	4.07
4671	NASDAQ	OSUR	Tue, Sep 28, 2010	4.05	4.16	3.92	4.16
4670	NASDAQ	OSUR	Mon, Sep 27, 2010	4.07	4.17	3.84	4.05
4669	NASDAQ	OSUR	Fri, Sep 24, 2010	3.83	4.09	3.83	4.08
4668	NASDAQ	OSUR	Thu, Sep 23, 2010	3.84	3.90	3.72	3.78
4667	NASDAQ	OSUR	Wed, Sep 22, 2010	3.95	4.03	3.83	3.87
4666	NASDAQ	OSUR	Tue, Sep 21, 2010	3.75	4.16	3.66	3.98
4665	NASDAQ	OSUR	Mon, Sep 20, 2010	3.52	3.78	3.46	3.75
4664	NASDAQ	OSUR	Fri, Sep 17, 2010	3.32	3.57	3.18	3.50
4663	NASDAQ	OSUR	Thu, Sep 16, 2010	3.34	3.34	3.25	3.27
4662	NASDAQ	OSUR	Wed, Sep 15, 2010	3.31	3.39	3.31	3.36
4661	NASDAQ	OSUR	Tue, Sep 14, 2010	3.45	3.45	3.30	3.34
4660	NASDAQ	OSUR	Mon, Sep 13, 2010	3.45	3.49	3.41	3.45
4659	NASDAQ	OSUR	Fri, Sep 10, 2010	3.38	3.41	3.25	3.40
4658	NASDAQ	OSUR	Thu, Sep 9, 2010	3.43	3.43	3.30	3.35
4657	NASDAQ	OSUR	Wed, Sep 8, 2010	3.40	3.47	3.32	3.36
4656	NASDAQ	OSUR	Tue, Sep 7, 2010	3.68	3.68	3.35	3.38
4655	NASDAQ	OSUR	Fri, Sep 3, 2010	3.60	3.71	3.51	3.69
4654	NASDAQ	OSUR	Thu, Sep 2, 2010	3.57	3.72	3.51	3.56
4653	NASDAQ	OSUR	Wed, Sep 1, 2010	3.46	3.61	3.42	3.61
4652	NASDAQ	OSUR	Tue, Aug 31, 2010	3.29	3.41	3.26	3.38
4651	NASDAQ	OSUR	Mon, Aug 30, 2010	3.35	3.40	3.24	3.29
4650	NASDAQ	OSUR	Fri, Aug 27, 2010	3.31	3.38	3.26	3.37
4649	NASDAQ	OSUR	Thu, Aug 26, 2010	3.37	3.43	3.25	3.25
4648	NASDAQ	OSUR	Wed, Aug 25, 2010	3.33	3.43	3.29	3.36
4647	NASDAQ	OSUR	Tue, Aug 24, 2010	3.28	3.60	3.28	3.35
4646	NASDAQ	OSUR	Mon, Aug 23, 2010	3.51	3.72	3.35	3.35
4645	NASDAQ	OSUR	Fri, Aug 20, 2010	3.34	3.52	3.34	3.49
4644	NASDAQ	OSUR	Thu, Aug 19, 2010	3.45	3.47	3.24	3.37
4643	NASDAQ	OSUR	Wed, Aug 18, 2010	3.47	3.52	3.40	3.46
4642	NASDAQ	OSUR	Tue, Aug 17, 2010	3.52	3.56	3.39	3.48
4641	NASDAQ	OSUR	Mon, Aug 16, 2010	3.44	3.55	3.42	3.48
4640	NASDAQ	OSUR	Fri, Aug 13, 2010	3.61	3.72	3.43	3.45
4639	NASDAQ	OSUR	Thu, Aug 12, 2010	3.70	3.83	3.63	3.64
4638	NASDAQ	OSUR	Wed, Aug 11, 2010	3.97	3.98	3.70	3.74
4637	NASDAQ	OSUR	Tue, Aug 10, 2010	4.05	4.16	3.98	4.08
4636	NASDAQ	OSUR	Mon, Aug 9, 2010	4.16	4.19	4.03	4.10
4635	NASDAQ	OSUR	Fri, Aug 6, 2010	4.27	4.29	4.06	4.14
4634	NASDAQ	OSUR	Thu, Aug 5, 2010	4.48	4.49	4.35	4.35
4633	NASDAQ	OSUR	Wed, Aug 4, 2010	4.46	4.55	4.43	4.45
4632	NASDAQ	OSUR	Tue, Aug 3, 2010	4.58	4.67	4.40	4.44
4631	NASDAQ	OSUR	Mon, Aug 2, 2010	4.85	4.85	4.57	4.62
4630	NASDAQ	OSUR	Fri, Jul 30, 2010	4.45	4.79	4.45	4.74
4629	NASDAQ	OSUR	Thu, Jul 29, 2010	4.48	4.64	4.37	4.54
4628	NASDAQ	OSUR	Wed, Jul 28, 2010	4.56	4.71	4.42	4.44
4627	NASDAQ	OSUR	Tue, Jul 27, 2010	5.03	5.04	4.50	4.60
4626	NASDAQ	OSUR	Mon, Jul 26, 2010	4.88	5.09	4.84	5.00
4625	NASDAQ	OSUR	Fri, Jul 23, 2010	4.60	4.91	4.44	4.86
4624	NASDAQ	OSUR	Thu, Jul 22, 2010	4.34	4.64	4.26	4.64
4623	NASDAQ	OSUR	Wed, Jul 21, 2010	4.51	4.51	4.24	4.25
4622	NASDAQ	OSUR	Tue, Jul 20, 2010	4.25	4.48	4.21	4.46
4621	NASDAQ	OSUR	Mon, Jul 19, 2010	4.28	4.37	4.16	4.32
4620	NASDAQ	OSUR	Fri, Jul 16, 2010	4.50	4.52	4.20	4.25
4619	NASDAQ	OSUR	Thu, Jul 15, 2010	4.81	4.81	4.46	4.55
4618	NASDAQ	OSUR	Wed, Jul 14, 2010	4.76	4.85	4.69	4.79
4617	NASDAQ	OSUR	Tue, Jul 13, 2010	4.51	4.81	4.37	4.80
4616	NASDAQ	OSUR	Mon, Jul 12, 2010	4.64	4.70	4.42	4.42
4615	NASDAQ	OSUR	Fri, Jul 9, 2010	4.56	4.73	4.53	4.65
4614	NASDAQ	OSUR	Thu, Jul 8, 2010	4.73	4.89	4.52	4.58
4613	NASDAQ	OSUR	Wed, Jul 7, 2010	4.42	4.69	4.41	4.66
4612	NASDAQ	OSUR	Tue, Jul 6, 2010	4.56	4.72	4.36	4.39
4611	NASDAQ	OSUR	Fri, Jul 2, 2010	4.59	4.63	4.38	4.45
4610	NASDAQ	OSUR	Thu, Jul 1, 2010	4.65	4.76	4.29	4.56
4609	NASDAQ	OSUR	Wed, Jun 30, 2010	4.80	4.86	4.60	4.63
4608	NASDAQ	OSUR	Tue, Jun 29, 2010	4.93	4.96	4.75	4.79
4607	NASDAQ	OSUR	Mon, Jun 28, 2010	5.16	5.16	4.95	5.04
4606	NASDAQ	OSUR	Fri, Jun 25, 2010	4.95	5.63	4.95	4.98
4605	NASDAQ	OSUR	Thu, Jun 24, 2010	4.81	4.94	4.81	4.85
4604	NASDAQ	OSUR	Wed, Jun 23, 2010	4.94	5.04	4.75	4.85
4603	NASDAQ	OSUR	Tue, Jun 22, 2010	4.99	5.17	4.95	4.95
4602	NASDAQ	OSUR	Mon, Jun 21, 2010	5.24	5.30	4.95	4.99
4601	NASDAQ	OSUR	Fri, Jun 18, 2010	5.10	5.34	4.95	5.19
4600	NASDAQ	OSUR	Thu, Jun 17, 2010	5.30	5.34	5.02	5.06
4599	NASDAQ	OSUR	Wed, Jun 16, 2010	4.85	5.35	4.85	5.24
4598	NASDAQ	OSUR	Tue, Jun 15, 2010	4.83	4.97	4.67	4.87
4597	NASDAQ	OSUR	Mon, Jun 14, 2010	4.65	4.89	4.52	4.76
4596	NASDAQ	OSUR	Fri, Jun 11, 2010	4.23	4.61	4.18	4.59
4595	NASDAQ	OSUR	Thu, Jun 10, 2010	4.27	4.44	4.17	4.30
4594	NASDAQ	OSUR	Wed, Jun 9, 2010	4.30	4.39	4.15	4.19
4593	NASDAQ	OSUR	Tue, Jun 8, 2010	4.39	4.48	4.25	4.27
4592	NASDAQ	OSUR	Mon, Jun 7, 2010	4.61	4.63	4.36	4.36
4591	NASDAQ	OSUR	Fri, Jun 4, 2010	4.83	4.94	4.60	4.61
4590	NASDAQ	OSUR	Thu, Jun 3, 2010	4.73	5.05	4.65	5.00
4589	NASDAQ	OSUR	Wed, Jun 2, 2010	4.36	4.76	4.32	4.75
4588	NASDAQ	OSUR	Tue, Jun 1, 2010	4.47	4.51	4.35	4.36
4587	NASDAQ	OSUR	Fri, May 28, 2010	4.64	4.64	4.45	4.52
4586	NASDAQ	OSUR	Thu, May 27, 2010	4.68	4.68	4.35	4.67
4585	NASDAQ	OSUR	Wed, May 26, 2010	4.64	4.74	4.44	4.56
4584	NASDAQ	OSUR	Tue, May 25, 2010	4.53	4.61	4.39	4.60
4583	NASDAQ	OSUR	Mon, May 24, 2010	4.64	4.89	4.54	4.61
4582	NASDAQ	OSUR	Fri, May 21, 2010	4.66	4.82	4.60	4.66
4581	NASDAQ	OSUR	Thu, May 20, 2010	5.00	5.00	4.75	4.75
4580	NASDAQ	OSUR	Wed, May 19, 2010	5.23	5.23	5.00	5.06
4579	NASDAQ	OSUR	Tue, May 18, 2010	5.42	5.46	5.16	5.27
4578	NASDAQ	OSUR	Mon, May 17, 2010	5.36	5.47	5.23	5.33
4577	NASDAQ	OSUR	Fri, May 14, 2010	5.63	5.67	5.29	5.34
4576	NASDAQ	OSUR	Thu, May 13, 2010	5.90	5.90	5.63	5.66
4575	NASDAQ	OSUR	Wed, May 12, 2010	5.63	6.00	5.60	5.94
4574	NASDAQ	OSUR	Tue, May 11, 2010	5.43	5.70	5.20	5.63
4573	NASDAQ	OSUR	Mon, May 10, 2010	5.46	5.55	5.20	5.54
4572	NASDAQ	OSUR	Fri, May 7, 2010	5.80	5.88	5.26	5.33
4571	NASDAQ	OSUR	Thu, May 6, 2010	6.15	6.18	5.33	5.77
4570	NASDAQ	OSUR	Wed, May 5, 2010	6.30	6.41	6.20	6.30
4569	NASDAQ	OSUR	Tue, May 4, 2010	6.48	6.48	6.30	6.39
4568	NASDAQ	OSUR	Mon, May 3, 2010	6.39	6.60	6.28	6.58
4567	NASDAQ	OSUR	Fri, Apr 30, 2010	6.48	6.68	6.34	6.34
4566	NASDAQ	OSUR	Thu, Apr 29, 2010	6.22	6.53	6.22	6.50
4565	NASDAQ	OSUR	Wed, Apr 28, 2010	6.12	6.28	6.08	6.19
4564	NASDAQ	OSUR	Tue, Apr 27, 2010	6.25	6.40	6.10	6.10
4563	NASDAQ	OSUR	Mon, Apr 26, 2010	6.25	6.38	6.25	6.26
4562	NASDAQ	OSUR	Fri, Apr 23, 2010	6.48	6.49	6.17	6.27
4561	NASDAQ	OSUR	Thu, Apr 22, 2010	6.50	6.56	6.19	6.50
4560	NASDAQ	OSUR	Wed, Apr 21, 2010	6.66	6.66	6.46	6.55
4559	NASDAQ	OSUR	Tue, Apr 20, 2010	6.42	6.65	6.34	6.65
4558	NASDAQ	OSUR	Mon, Apr 19, 2010	6.57	6.78	6.28	6.36
4557	NASDAQ	OSUR	Fri, Apr 16, 2010	6.76	6.80	6.60	6.61
4556	NASDAQ	OSUR	Thu, Apr 15, 2010	6.72	6.78	6.66	6.77
4555	NASDAQ	OSUR	Wed, Apr 14, 2010	6.43	6.75	6.38	6.74
4554	NASDAQ	OSUR	Tue, Apr 13, 2010	6.33	6.49	6.25	6.41
4553	NASDAQ	OSUR	Mon, Apr 12, 2010	6.24	6.37	6.22	6.31
4552	NASDAQ	OSUR	Fri, Apr 9, 2010	6.04	6.25	5.99	6.24
4551	NASDAQ	OSUR	Thu, Apr 8, 2010	6.05	6.09	5.99	6.06
4550	NASDAQ	OSUR	Wed, Apr 7, 2010	5.98	6.08	5.98	6.07
4549	NASDAQ	OSUR	Tue, Apr 6, 2010	5.98	6.10	5.93	6.00
4548	NASDAQ	OSUR	Mon, Apr 5, 2010	5.93	6.03	5.88	6.03
4547	NASDAQ	OSUR	Thu, Apr 1, 2010	5.95	6.04	5.80	5.93
4546	NASDAQ	OSUR	Wed, Mar 31, 2010	5.78	6.04	5.78	5.93
4545	NASDAQ	OSUR	Tue, Mar 30, 2010	5.74	5.88	5.70	5.78
4544	NASDAQ	OSUR	Mon, Mar 29, 2010	5.91	5.92	5.69	5.70
4543	NASDAQ	OSUR	Fri, Mar 26, 2010	6.00	6.01	5.84	5.91
4542	NASDAQ	OSUR	Thu, Mar 25, 2010	5.90	6.09	5.64	5.95
4541	NASDAQ	OSUR	Wed, Mar 24, 2010	5.86	5.98	5.76	5.84
4540	NASDAQ	OSUR	Tue, Mar 23, 2010	5.57	5.90	5.47	5.88
4539	NASDAQ	OSUR	Mon, Mar 22, 2010	5.37	5.60	5.35	5.58
4538	NASDAQ	OSUR	Fri, Mar 19, 2010	5.50	5.54	5.31	5.40
4537	NASDAQ	OSUR	Thu, Mar 18, 2010	5.57	5.67	5.40	5.46
4536	NASDAQ	OSUR	Wed, Mar 17, 2010	5.47	5.63	5.38	5.55
4535	NASDAQ	OSUR	Tue, Mar 16, 2010	5.46	5.46	5.31	5.44
4534	NASDAQ	OSUR	Mon, Mar 15, 2010	5.37	5.47	5.25	5.41
4533	NASDAQ	OSUR	Fri, Mar 12, 2010	5.46	5.53	5.31	5.35
4532	NASDAQ	OSUR	Thu, Mar 11, 2010	5.23	5.44	5.22	5.43
4531	NASDAQ	OSUR	Wed, Mar 10, 2010	5.34	5.38	5.25	5.28
4530	NASDAQ	OSUR	Tue, Mar 9, 2010	5.27	5.40	5.23	5.35
4529	NASDAQ	OSUR	Mon, Mar 8, 2010	5.43	5.57	5.23	5.27
4528	NASDAQ	OSUR	Fri, Mar 5, 2010	5.41	5.47	5.34	5.43
4527	NASDAQ	OSUR	Thu, Mar 4, 2010	5.53	5.56	5.33	5.36
4526	NASDAQ	OSUR	Wed, Mar 3, 2010	5.78	5.78	5.50	5.52
4525	NASDAQ	OSUR	Tue, Mar 2, 2010	5.91	5.95	5.69	5.75
4524	NASDAQ	OSUR	Mon, Mar 1, 2010	5.53	5.91	5.52	5.87
4523	NASDAQ	OSUR	Fri, Feb 26, 2010	5.47	5.58	5.36	5.50
4522	NASDAQ	OSUR	Thu, Feb 25, 2010	5.41	5.49	5.33	5.49
4521	NASDAQ	OSUR	Wed, Feb 24, 2010	5.23	5.51	5.23	5.49
4520	NASDAQ	OSUR	Tue, Feb 23, 2010	5.35	5.37	5.10	5.35
4519	NASDAQ	OSUR	Mon, Feb 22, 2010	5.28	5.41	5.23	5.37
4518	NASDAQ	OSUR	Fri, Feb 19, 2010	5.19	5.28	5.10	5.26
4517	NASDAQ	OSUR	Thu, Feb 18, 2010	5.09	5.21	5.03	5.17
4516	NASDAQ	OSUR	Wed, Feb 17, 2010	5.02	5.20	5.01	5.11
4515	NASDAQ	OSUR	Tue, Feb 16, 2010	4.98	5.01	4.82	5.01
4514	NASDAQ	OSUR	Fri, Feb 12, 2010	4.80	4.96	4.76	4.95
4513	NASDAQ	OSUR	Thu, Feb 11, 2010	4.95	5.00	4.75	4.84
4512	NASDAQ	OSUR	Wed, Feb 10, 2010	4.81	4.98	4.75	4.95
4511	NASDAQ	OSUR	Tue, Feb 9, 2010	4.97	5.00	4.82	4.85
4510	NASDAQ	OSUR	Mon, Feb 8, 2010	4.91	4.99	4.82	4.91
4509	NASDAQ	OSUR	Fri, Feb 5, 2010	4.95	5.07	4.76	4.90
4508	NASDAQ	OSUR	Thu, Feb 4, 2010	5.17	5.25	4.95	4.96
4507	NASDAQ	OSUR	Wed, Feb 3, 2010	5.27	5.39	5.16	5.20
4506	NASDAQ	OSUR	Tue, Feb 2, 2010	5.37	5.37	5.19	5.31
4505	NASDAQ	OSUR	Mon, Feb 1, 2010	5.12	5.50	5.07	5.35
4504	NASDAQ	OSUR	Fri, Jan 29, 2010	5.07	5.23	5.04	5.12
4503	NASDAQ	OSUR	Thu, Jan 28, 2010	5.17	5.36	5.04	5.06
4502	NASDAQ	OSUR	Wed, Jan 27, 2010	5.12	5.28	5.00	5.16
4501	NASDAQ	OSUR	Tue, Jan 26, 2010	5.13	5.21	5.01	5.17
4500	NASDAQ	OSUR	Mon, Jan 25, 2010	5.24	5.30	5.08	5.17
4499	NASDAQ	OSUR	Fri, Jan 22, 2010	5.29	5.39	5.15	5.19
4498	NASDAQ	OSUR	Thu, Jan 21, 2010	5.33	5.38	5.19	5.28
4497	NASDAQ	OSUR	Wed, Jan 20, 2010	5.46	5.51	5.20	5.30
4496	NASDAQ	OSUR	Tue, Jan 19, 2010	5.45	5.49	5.35	5.47
4495	NASDAQ	OSUR	Fri, Jan 15, 2010	5.31	5.42	5.17	5.39
4494	NASDAQ	OSUR	Thu, Jan 14, 2010	5.07	5.38	5.06	5.29
4493	NASDAQ	OSUR	Wed, Jan 13, 2010	5.10	5.16	5.04	5.11
4492	NASDAQ	OSUR	Tue, Jan 12, 2010	5.05	5.14	5.05	5.09
4491	NASDAQ	OSUR	Mon, Jan 11, 2010	5.01	5.09	4.86	5.09
4490	NASDAQ	OSUR	Fri, Jan 8, 2010	4.87	5.00	4.81	4.95
4489	NASDAQ	OSUR	Thu, Jan 7, 2010	4.95	4.95	4.78	4.88
4488	NASDAQ	OSUR	Wed, Jan 6, 2010	5.09	5.14	4.83	4.94
4487	NASDAQ	OSUR	Tue, Jan 5, 2010	5.30	5.30	5.07	5.10
4486	NASDAQ	OSUR	Mon, Jan 4, 2010	5.17	5.30	5.15	5.29
4485	NASDAQ	OSUR	Thu, Dec 31, 2009	5.17	5.25	5.07	5.08
4484	NASDAQ	OSUR	Wed, Dec 30, 2009	5.19	5.20	5.09	5.19
4483	NASDAQ	OSUR	Tue, Dec 29, 2009	5.20	5.22	5.10	5.15
4482	NASDAQ	OSUR	Mon, Dec 28, 2009	5.05	5.20	4.98	5.18
4481	NASDAQ	OSUR	Thu, Dec 24, 2009	5.05	5.09	4.93	5.03
4480	NASDAQ	OSUR	Wed, Dec 23, 2009	4.91	5.04	4.86	5.01
4479	NASDAQ	OSUR	Tue, Dec 22, 2009	4.78	5.00	4.78	4.87
4478	NASDAQ	OSUR	Mon, Dec 21, 2009	4.72	4.80	4.70	4.77
4477	NASDAQ	OSUR	Fri, Dec 18, 2009	4.76	4.80	4.56	4.75
4476	NASDAQ	OSUR	Thu, Dec 17, 2009	4.74	4.83	4.70	4.74
4475	NASDAQ	OSUR	Wed, Dec 16, 2009	4.81	4.84	4.60	4.78
4474	NASDAQ	OSUR	Tue, Dec 15, 2009	4.31	4.81	4.31	4.73
4473	NASDAQ	OSUR	Mon, Dec 14, 2009	4.20	4.29	4.13	4.28
4472	NASDAQ	OSUR	Fri, Dec 11, 2009	4.10	4.30	4.04	4.19
4471	NASDAQ	OSUR	Thu, Dec 10, 2009	4.29	4.29	4.00	4.06
4470	NASDAQ	OSUR	Wed, Dec 9, 2009	4.15	4.38	4.00	4.28
4469	NASDAQ	OSUR	Tue, Dec 8, 2009	4.18	4.39	3.97	4.16
4468	NASDAQ	OSUR	Mon, Dec 7, 2009	3.89	4.32	3.79	4.22
4467	NASDAQ	OSUR	Fri, Dec 4, 2009	3.94	4.03	3.83	3.90
4466	NASDAQ	OSUR	Thu, Dec 3, 2009	3.97	3.98	3.78	3.82
4465	NASDAQ	OSUR	Wed, Dec 2, 2009	3.91	4.07	3.87	3.94
4464	NASDAQ	OSUR	Tue, Dec 1, 2009	3.87	3.94	3.84	3.92
4463	NASDAQ	OSUR	Mon, Nov 30, 2009	3.91	3.94	3.73	3.84
4462	NASDAQ	OSUR	Fri, Nov 27, 2009	4.00	4.07	3.70	3.94
4461	NASDAQ	OSUR	Wed, Nov 25, 2009	4.29	4.35	4.10	4.10
4460	NASDAQ	OSUR	Tue, Nov 24, 2009	4.30	4.30	4.18	4.26
4459	NASDAQ	OSUR	Mon, Nov 23, 2009	4.15	4.32	4.11	4.28
4458	NASDAQ	OSUR	Fri, Nov 20, 2009	4.15	4.24	4.10	4.15
4457	NASDAQ	OSUR	Thu, Nov 19, 2009	4.30	4.30	4.07	4.18
4456	NASDAQ	OSUR	Wed, Nov 18, 2009	4.40	4.49	4.30	4.34
4455	NASDAQ	OSUR	Tue, Nov 17, 2009	4.37	4.55	4.37	4.40
4454	NASDAQ	OSUR	Mon, Nov 16, 2009	4.00	4.20	4.00	4.20
4453	NASDAQ	OSUR	Fri, Nov 13, 2009	3.76	3.96	3.64	3.96
4452	NASDAQ	OSUR	Thu, Nov 12, 2009	3.83	3.90	3.73	3.75
4451	NASDAQ	OSUR	Wed, Nov 11, 2009	3.79	3.85	3.70	3.83
4450	NASDAQ	OSUR	Tue, Nov 10, 2009	3.58	3.76	3.46	3.74
4449	NASDAQ	OSUR	Mon, Nov 9, 2009	3.51	3.60	3.45	3.60
4448	NASDAQ	OSUR	Fri, Nov 6, 2009	3.46	3.51	3.43	3.50
4447	NASDAQ	OSUR	Thu, Nov 5, 2009	3.31	3.51	3.30	3.51
4446	NASDAQ	OSUR	Wed, Nov 4, 2009	3.30	3.32	3.21	3.31
4445	NASDAQ	OSUR	Tue, Nov 3, 2009	3.18	3.31	3.18	3.31
4444	NASDAQ	OSUR	Mon, Nov 2, 2009	3.28	3.29	3.18	3.29
4443	NASDAQ	OSUR	Fri, Oct 30, 2009	3.25	3.29	3.22	3.26
4442	NASDAQ	OSUR	Thu, Oct 29, 2009	3.26	3.31	3.24	3.30
4441	NASDAQ	OSUR	Wed, Oct 28, 2009	3.26	3.31	3.22	3.22
4440	NASDAQ	OSUR	Tue, Oct 27, 2009	3.28	3.43	3.25	3.32
4439	NASDAQ	OSUR	Mon, Oct 26, 2009	3.34	3.45	3.31	3.33
4438	NASDAQ	OSUR	Fri, Oct 23, 2009	3.39	3.39	3.26	3.32
4437	NASDAQ	OSUR	Thu, Oct 22, 2009	3.31	3.38	3.26	3.38
4436	NASDAQ	OSUR	Wed, Oct 21, 2009	3.31	3.40	3.29	3.33
4435	NASDAQ	OSUR	Tue, Oct 20, 2009	3.45	3.47	3.33	3.33
4434	NASDAQ	OSUR	Mon, Oct 19, 2009	3.39	3.45	3.33	3.44
4433	NASDAQ	OSUR	Fri, Oct 16, 2009	3.37	3.42	3.31	3.38
4432	NASDAQ	OSUR	Thu, Oct 15, 2009	3.32	3.41	3.24	3.40
4431	NASDAQ	OSUR	Wed, Oct 14, 2009	3.39	3.39	3.22	3.37
4430	NASDAQ	OSUR	Tue, Oct 13, 2009	3.35	3.40	3.27	3.32
4429	NASDAQ	OSUR	Mon, Oct 12, 2009	3.47	3.47	3.31	3.37
4428	NASDAQ	OSUR	Fri, Oct 9, 2009	3.08	3.41	3.08	3.41
4427	NASDAQ	OSUR	Thu, Oct 8, 2009	3.20	3.20	3.09	3.14
4426	NASDAQ	OSUR	Wed, Oct 7, 2009	3.17	3.21	3.09	3.18
4425	NASDAQ	OSUR	Tue, Oct 6, 2009	3.15	3.22	3.11	3.18
4424	NASDAQ	OSUR	Mon, Oct 5, 2009	2.96	3.19	2.89	3.13
4423	NASDAQ	OSUR	Fri, Oct 2, 2009	2.82	2.96	2.80	2.93
4422	NASDAQ	OSUR	Thu, Oct 1, 2009	2.89	2.93	2.82	2.85
4421	NASDAQ	OSUR	Wed, Sep 30, 2009	2.99	3.04	2.87	2.90
4420	NASDAQ	OSUR	Tue, Sep 29, 2009	3.10	3.11	2.99	2.99
4419	NASDAQ	OSUR	Mon, Sep 28, 2009	3.01	3.14	3.00	3.07
4418	NASDAQ	OSUR	Fri, Sep 25, 2009	3.09	3.10	2.87	3.00
4417	NASDAQ	OSUR	Thu, Sep 24, 2009	2.98	3.55	2.93	3.09
4416	NASDAQ	OSUR	Wed, Sep 23, 2009	2.85	2.92	2.79	2.82
4415	NASDAQ	OSUR	Tue, Sep 22, 2009	2.90	2.95	2.79	2.81
4414	NASDAQ	OSUR	Mon, Sep 21, 2009	2.75	2.90	2.70	2.86
4413	NASDAQ	OSUR	Fri, Sep 18, 2009	2.80	2.81	2.76	2.80
4412	NASDAQ	OSUR	Thu, Sep 17, 2009	2.82	2.89	2.76	2.79
4411	NASDAQ	OSUR	Wed, Sep 16, 2009	2.81	2.95	2.76	2.82
4410	NASDAQ	OSUR	Tue, Sep 15, 2009	2.78	2.82	2.75	2.81
4409	NASDAQ	OSUR	Mon, Sep 14, 2009	2.72	2.83	2.62	2.80
4408	NASDAQ	OSUR	Fri, Sep 11, 2009	2.85	2.90	2.78	2.82
4407	NASDAQ	OSUR	Thu, Sep 10, 2009	2.70	2.86	2.68	2.85
4406	NASDAQ	OSUR	Wed, Sep 9, 2009	2.54	2.74	2.53	2.70
4405	NASDAQ	OSUR	Tue, Sep 8, 2009	2.64	2.64	2.53	2.55
4404	NASDAQ	OSUR	Fri, Sep 4, 2009	2.50	2.61	2.47	2.60
4403	NASDAQ	OSUR	Thu, Sep 3, 2009	2.53	2.53	2.48	2.52
4402	NASDAQ	OSUR	Wed, Sep 2, 2009	2.53	2.59	2.50	2.52
4401	NASDAQ	OSUR	Tue, Sep 1, 2009	2.61	2.68	2.53	2.53
4400	NASDAQ	OSUR	Mon, Aug 31, 2009	2.64	2.65	2.58	2.64
4399	NASDAQ	OSUR	Fri, Aug 28, 2009	2.74	2.74	2.62	2.67
4398	NASDAQ	OSUR	Thu, Aug 27, 2009	2.62	2.72	2.59	2.71
4397	NASDAQ	OSUR	Wed, Aug 26, 2009	2.58	2.67	2.57	2.67
4396	NASDAQ	OSUR	Tue, Aug 25, 2009	2.62	2.69	2.58	2.59
4395	NASDAQ	OSUR	Mon, Aug 24, 2009	2.56	2.61	2.52	2.61
4394	NASDAQ	OSUR	Fri, Aug 21, 2009	2.60	2.60	2.50	2.55
4393	NASDAQ	OSUR	Thu, Aug 20, 2009	2.54	2.58	2.47	2.56
4392	NASDAQ	OSUR	Wed, Aug 19, 2009	2.45	2.58	2.45	2.54
4391	NASDAQ	OSUR	Tue, Aug 18, 2009	2.46	2.51	2.46	2.49
4390	NASDAQ	OSUR	Mon, Aug 17, 2009	2.47	2.49	2.44	2.45
4389	NASDAQ	OSUR	Fri, Aug 14, 2009	2.54	2.56	2.44	2.52
4388	NASDAQ	OSUR	Thu, Aug 13, 2009	2.56	2.57	2.50	2.51
4387	NASDAQ	OSUR	Wed, Aug 12, 2009	2.52	2.59	2.52	2.55
4386	NASDAQ	OSUR	Tue, Aug 11, 2009	2.64	2.66	2.50	2.51
4385	NASDAQ	OSUR	Mon, Aug 10, 2009	2.60	2.68	2.52	2.66
4384	NASDAQ	OSUR	Fri, Aug 7, 2009	2.57	2.68	2.50	2.63
4383	NASDAQ	OSUR	Thu, Aug 6, 2009	2.70	2.79	2.50	2.51
4382	NASDAQ	OSUR	Wed, Aug 5, 2009	2.79	2.79	2.59	2.68
4381	NASDAQ	OSUR	Tue, Aug 4, 2009	2.78	2.82	2.76	2.80
4380	NASDAQ	OSUR	Mon, Aug 3, 2009	2.89	2.89	2.78	2.82
4379	NASDAQ	OSUR	Fri, Jul 31, 2009	2.92	2.95	2.81	2.84
4378	NASDAQ	OSUR	Thu, Jul 30, 2009	2.85	2.97	2.81	2.95
4377	NASDAQ	OSUR	Wed, Jul 29, 2009	2.88	2.88	2.75	2.81
4376	NASDAQ	OSUR	Tue, Jul 28, 2009	2.92	2.95	2.83	2.92
4375	NASDAQ	OSUR	Mon, Jul 27, 2009	2.90	2.95	2.76	2.94
4374	NASDAQ	OSUR	Fri, Jul 24, 2009	2.70	2.94	2.70	2.92
4373	NASDAQ	OSUR	Thu, Jul 23, 2009	2.65	2.75	2.60	2.75
4372	NASDAQ	OSUR	Wed, Jul 22, 2009	2.65	2.74	2.61	2.66
4371	NASDAQ	OSUR	Tue, Jul 21, 2009	2.71	2.73	2.59	2.68
4370	NASDAQ	OSUR	Mon, Jul 20, 2009	2.73	2.73	2.58	2.68
4369	NASDAQ	OSUR	Fri, Jul 17, 2009	2.73	2.75	2.60	2.68
4368	NASDAQ	OSUR	Thu, Jul 16, 2009	2.60	2.72	2.59	2.71
4367	NASDAQ	OSUR	Wed, Jul 15, 2009	2.61	2.64	2.53	2.63
4366	NASDAQ	OSUR	Tue, Jul 14, 2009	2.55	2.58	2.51	2.56
4365	NASDAQ	OSUR	Mon, Jul 13, 2009	2.51	2.56	2.47	2.56
4364	NASDAQ	OSUR	Fri, Jul 10, 2009	2.56	2.59	2.45	2.50
4363	NASDAQ	OSUR	Thu, Jul 9, 2009	2.43	2.61	2.38	2.59
4362	NASDAQ	OSUR	Wed, Jul 8, 2009	2.48	2.50	2.35	2.43
4361	NASDAQ	OSUR	Tue, Jul 7, 2009	2.52	2.56	2.46	2.46
4360	NASDAQ	OSUR	Mon, Jul 6, 2009	2.52	2.61	2.50	2.59
4359	NASDAQ	OSUR	Thu, Jul 2, 2009	2.55	2.66	2.50	2.62
4358	NASDAQ	OSUR	Wed, Jul 1, 2009	2.49	2.62	2.47	2.62
4357	NASDAQ	OSUR	Tue, Jun 30, 2009	2.50	2.55	2.42	2.47
4356	NASDAQ	OSUR	Mon, Jun 29, 2009	2.57	2.63	2.50	2.51
4355	NASDAQ	OSUR	Fri, Jun 26, 2009	2.52	2.72	2.51	2.63
4354	NASDAQ	OSUR	Thu, Jun 25, 2009	3.23	3.23	2.41	2.53
4353	NASDAQ	OSUR	Wed, Jun 24, 2009	3.34	3.39	3.23	3.28
4352	NASDAQ	OSUR	Tue, Jun 23, 2009	3.39	3.42	3.25	3.29
4351	NASDAQ	OSUR	Mon, Jun 22, 2009	3.53	3.55	3.34	3.34
4350	NASDAQ	OSUR	Fri, Jun 19, 2009	3.66	3.69	3.54	3.58
4349	NASDAQ	OSUR	Thu, Jun 18, 2009	3.47	3.60	3.41	3.57
4348	NASDAQ	OSUR	Wed, Jun 17, 2009	3.27	3.54	3.27	3.49
4347	NASDAQ	OSUR	Tue, Jun 16, 2009	3.53	3.57	3.27	3.28
4346	NASDAQ	OSUR	Mon, Jun 15, 2009	3.57	3.65	3.37	3.45
4345	NASDAQ	OSUR	Fri, Jun 12, 2009	3.63	3.65	3.52	3.65
4344	NASDAQ	OSUR	Thu, Jun 11, 2009	3.52	3.80	3.49	3.61
4343	NASDAQ	OSUR	Wed, Jun 10, 2009	3.60	3.60	3.41	3.51
4342	NASDAQ	OSUR	Tue, Jun 9, 2009	3.87	3.87	3.60	3.62
4341	NASDAQ	OSUR	Mon, Jun 8, 2009	4.01	4.01	3.81	3.83
4340	NASDAQ	OSUR	Fri, Jun 5, 2009	4.06	4.09	3.89	3.98
4339	NASDAQ	OSUR	Thu, Jun 4, 2009	4.06	4.08	3.90	4.00
4338	NASDAQ	OSUR	Wed, Jun 3, 2009	4.02	4.09	3.86	4.01
4337	NASDAQ	OSUR	Tue, Jun 2, 2009	3.71	4.03	3.66	4.00
4336	NASDAQ	OSUR	Mon, Jun 1, 2009	3.72	3.86	3.56	3.78
4335	NASDAQ	OSUR	Fri, May 29, 2009	3.39	3.65	3.25	3.64
4334	NASDAQ	OSUR	Thu, May 28, 2009	3.40	3.48	3.16	3.38
4333	NASDAQ	OSUR	Wed, May 27, 2009	3.39	3.42	3.27	3.30
4332	NASDAQ	OSUR	Tue, May 26, 2009	3.15	3.46	3.15	3.44
4331	NASDAQ	OSUR	Fri, May 22, 2009	3.13	3.48	3.12	3.13
4330	NASDAQ	OSUR	Thu, May 21, 2009	3.21	3.24	3.06	3.11
4329	NASDAQ	OSUR	Wed, May 20, 2009	3.42	3.56	3.21	3.26
4328	NASDAQ	OSUR	Tue, May 19, 2009	3.39	3.42	3.12	3.39
4327	NASDAQ	OSUR	Mon, May 18, 2009	3.20	3.41	3.20	3.40
4326	NASDAQ	OSUR	Fri, May 15, 2009	3.37	3.37	3.10	3.14
4325	NASDAQ	OSUR	Thu, May 14, 2009	3.24	3.39	3.22	3.33
4324	NASDAQ	OSUR	Wed, May 13, 2009	3.54	3.62	3.21	3.21
4323	NASDAQ	OSUR	Tue, May 12, 2009	3.69	3.77	3.54	3.61
4322	NASDAQ	OSUR	Mon, May 11, 2009	3.76	3.89	3.66	3.67
4321	NASDAQ	OSUR	Fri, May 8, 2009	3.77	3.89	3.73	3.80
4320	NASDAQ	OSUR	Thu, May 7, 2009	3.82	3.82	3.64	3.69
4319	NASDAQ	OSUR	Wed, May 6, 2009	3.64	3.79	3.55	3.76
4318	NASDAQ	OSUR	Tue, May 5, 2009	3.55	3.64	3.50	3.57
4317	NASDAQ	OSUR	Mon, May 4, 2009	3.53	3.71	3.43	3.57
4316	NASDAQ	OSUR	Fri, May 1, 2009	3.62	3.78	3.43	3.47
4315	NASDAQ	OSUR	Thu, Apr 30, 2009	3.64	3.86	3.56	3.62
4314	NASDAQ	OSUR	Wed, Apr 29, 2009	3.44	3.65	3.40	3.61
4313	NASDAQ	OSUR	Tue, Apr 28, 2009	3.26	3.61	3.10	3.40
4312	NASDAQ	OSUR	Mon, Apr 27, 2009	3.31	3.46	3.29	3.30
4311	NASDAQ	OSUR	Fri, Apr 24, 2009	3.37	3.45	3.34	3.42
4310	NASDAQ	OSUR	Thu, Apr 23, 2009	3.40	3.49	3.25	3.35
4309	NASDAQ	OSUR	Wed, Apr 22, 2009	3.34	3.47	3.32	3.41
4308	NASDAQ	OSUR	Tue, Apr 21, 2009	3.20	3.50	3.20	3.43
4307	NASDAQ	OSUR	Mon, Apr 20, 2009	3.22	3.42	3.16	3.23
4306	NASDAQ	OSUR	Fri, Apr 17, 2009	3.29	3.36	3.21	3.32
4305	NASDAQ	OSUR	Thu, Apr 16, 2009	3.01	3.31	2.96	3.27
4304	NASDAQ	OSUR	Wed, Apr 15, 2009	2.85	3.00	2.80	3.00
4303	NASDAQ	OSUR	Tue, Apr 14, 2009	2.86	3.00	2.85	2.87
4302	NASDAQ	OSUR	Mon, Apr 13, 2009	2.88	2.95	2.80	2.94
4301	NASDAQ	OSUR	Thu, Apr 9, 2009	2.98	3.05	2.88	2.93
4300	NASDAQ	OSUR	Wed, Apr 8, 2009	2.77	2.97	2.72	2.97
4299	NASDAQ	OSUR	Tue, Apr 7, 2009	2.77	2.86	2.75	2.75
4298	NASDAQ	OSUR	Mon, Apr 6, 2009	2.88	2.88	2.80	2.84
4297	NASDAQ	OSUR	Fri, Apr 3, 2009	2.89	2.96	2.77	2.95
4296	NASDAQ	OSUR	Thu, Apr 2, 2009	2.83	2.95	2.79	2.89
4295	NASDAQ	OSUR	Wed, Apr 1, 2009	2.47	2.72	2.47	2.72
4294	NASDAQ	OSUR	Tue, Mar 31, 2009	2.58	2.64	2.48	2.53
4293	NASDAQ	OSUR	Mon, Mar 30, 2009	2.57	2.63	2.46	2.52
4292	NASDAQ	OSUR	Fri, Mar 27, 2009	2.76	2.85	2.55	2.69
4291	NASDAQ	OSUR	Thu, Mar 26, 2009	2.74	2.85	2.70	2.85
4290	NASDAQ	OSUR	Wed, Mar 25, 2009	2.64	2.73	2.53	2.69
4289	NASDAQ	OSUR	Tue, Mar 24, 2009	2.42	2.70	2.38	2.64
4288	NASDAQ	OSUR	Mon, Mar 23, 2009	2.45	2.53	2.27	2.46
4287	NASDAQ	OSUR	Fri, Mar 20, 2009	2.71	2.82	2.47	2.47
4286	NASDAQ	OSUR	Thu, Mar 19, 2009	2.90	2.92	2.66	2.67
4285	NASDAQ	OSUR	Wed, Mar 18, 2009	2.71	2.90	2.69	2.86
4284	NASDAQ	OSUR	Tue, Mar 17, 2009	2.55	2.78	2.55	2.78
4283	NASDAQ	OSUR	Mon, Mar 16, 2009	2.77	2.79	2.54	2.56
4282	NASDAQ	OSUR	Fri, Mar 13, 2009	2.60	2.86	2.60	2.72
4281	NASDAQ	OSUR	Thu, Mar 12, 2009	2.28	2.60	2.28	2.59
4280	NASDAQ	OSUR	Wed, Mar 11, 2009	2.43	2.49	2.29	2.31
4279	NASDAQ	OSUR	Tue, Mar 10, 2009	2.34	2.43	2.33	2.40
4278	NASDAQ	OSUR	Mon, Mar 9, 2009	2.33	2.37	2.25	2.25
4277	NASDAQ	OSUR	Fri, Mar 6, 2009	2.29	2.35	2.27	2.32
4276	NASDAQ	OSUR	Thu, Mar 5, 2009	2.33	2.38	2.23	2.26
4275	NASDAQ	OSUR	Wed, Mar 4, 2009	2.42	2.57	2.35	2.43
4274	NASDAQ	OSUR	Tue, Mar 3, 2009	2.54	2.54	2.20	2.32
4273	NASDAQ	OSUR	Mon, Mar 2, 2009	2.55	2.70	2.45	2.46
4272	NASDAQ	OSUR	Fri, Feb 27, 2009	2.56	2.81	2.56	2.56
4271	NASDAQ	OSUR	Thu, Feb 26, 2009	2.69	2.82	2.56	2.59
4270	NASDAQ	OSUR	Wed, Feb 25, 2009	2.77	2.82	2.56	2.66
4269	NASDAQ	OSUR	Tue, Feb 24, 2009	2.73	2.94	2.56	2.80
4268	NASDAQ	OSUR	Mon, Feb 23, 2009	2.83	2.83	2.66	2.68
4267	NASDAQ	OSUR	Fri, Feb 20, 2009	2.83	3.20	2.71	2.80
4266	NASDAQ	OSUR	Thu, Feb 19, 2009	2.95	2.96	2.88	2.90
4265	NASDAQ	OSUR	Wed, Feb 18, 2009	2.88	2.97	2.82	2.90
4264	NASDAQ	OSUR	Tue, Feb 17, 2009	2.95	2.98	2.83	2.89
4263	NASDAQ	OSUR	Fri, Feb 13, 2009	3.32	3.32	2.96	3.07
4262	NASDAQ	OSUR	Thu, Feb 12, 2009	2.50	3.47	2.50	3.39
4261	NASDAQ	OSUR	Wed, Feb 11, 2009	2.60	2.65	2.53	2.53
4260	NASDAQ	OSUR	Tue, Feb 10, 2009	2.64	2.79	2.52	2.55
4259	NASDAQ	OSUR	Mon, Feb 9, 2009	2.75	2.75	2.63	2.66
4258	NASDAQ	OSUR	Fri, Feb 6, 2009	2.48	2.88	2.41	2.78
4257	NASDAQ	OSUR	Thu, Feb 5, 2009	2.54	2.67	2.16	2.49
4256	NASDAQ	OSUR	Wed, Feb 4, 2009	2.88	2.99	2.44	2.56
4255	NASDAQ	OSUR	Tue, Feb 3, 2009	2.84	3.02	2.66	2.89
4254	NASDAQ	OSUR	Mon, Feb 2, 2009	2.83	3.19	2.71	2.80
4253	NASDAQ	OSUR	Fri, Jan 30, 2009	3.32	3.32	2.84	2.88
4252	NASDAQ	OSUR	Thu, Jan 29, 2009	3.40	3.48	3.22	3.24
4251	NASDAQ	OSUR	Wed, Jan 28, 2009	3.26	3.48	3.24	3.47
4250	NASDAQ	OSUR	Tue, Jan 27, 2009	3.01	3.31	2.91	3.19
4249	NASDAQ	OSUR	Mon, Jan 26, 2009	2.70	3.04	2.70	2.98
4248	NASDAQ	OSUR	Fri, Jan 23, 2009	2.70	2.95	2.66	2.69
4247	NASDAQ	OSUR	Thu, Jan 22, 2009	3.01	3.01	2.79	2.82
4246	NASDAQ	OSUR	Wed, Jan 21, 2009	2.74	3.17	2.70	3.12
4245	NASDAQ	OSUR	Tue, Jan 20, 2009	3.33	3.33	2.65	2.67
4244	NASDAQ	OSUR	Fri, Jan 16, 2009	3.27	3.50	3.06	3.41
4243	NASDAQ	OSUR	Thu, Jan 15, 2009	3.09	3.34	3.06	3.33
4242	NASDAQ	OSUR	Wed, Jan 14, 2009	3.13	3.23	2.99	3.09
4241	NASDAQ	OSUR	Tue, Jan 13, 2009	3.14	3.29	3.08	3.21
4240	NASDAQ	OSUR	Mon, Jan 12, 2009	3.25	3.48	3.11	3.15
4239	NASDAQ	OSUR	Fri, Jan 9, 2009	3.69	3.73	3.17	3.20
4238	NASDAQ	OSUR	Thu, Jan 8, 2009	3.50	3.81	3.50	3.70
4237	NASDAQ	OSUR	Wed, Jan 7, 2009	3.63	3.76	3.50	3.53
4236	NASDAQ	OSUR	Tue, Jan 6, 2009	3.69	3.82	3.52	3.73
4235	NASDAQ	OSUR	Mon, Jan 5, 2009	3.64	3.69	3.50	3.65
4234	NASDAQ	OSUR	Fri, Jan 2, 2009	3.68	3.75	3.61	3.66
4233	NASDAQ	OSUR	Wed, Dec 31, 2008	3.34	3.73	3.34	3.68
4232	NASDAQ	OSUR	Tue, Dec 30, 2008	3.21	3.38	3.18	3.35
4231	NASDAQ	OSUR	Mon, Dec 29, 2008	3.50	3.53	3.13	3.20
4230	NASDAQ	OSUR	Fri, Dec 26, 2008	3.59	3.59	3.33	3.52
4229	NASDAQ	OSUR	Wed, Dec 24, 2008	3.63	3.75	3.54	3.58
4228	NASDAQ	OSUR	Tue, Dec 23, 2008	3.49	3.66	3.49	3.63
4227	NASDAQ	OSUR	Mon, Dec 22, 2008	3.70	3.70	3.14	3.47
4226	NASDAQ	OSUR	Fri, Dec 19, 2008	3.70	3.81	3.43	3.69
4225	NASDAQ	OSUR	Thu, Dec 18, 2008	3.82	3.84	3.29	3.57
4224	NASDAQ	OSUR	Wed, Dec 17, 2008	3.70	3.80	3.56	3.79
4223	NASDAQ	OSUR	Tue, Dec 16, 2008	3.30	3.89	3.21	3.87
4222	NASDAQ	OSUR	Mon, Dec 15, 2008	3.39	3.49	3.04	3.21
4221	NASDAQ	OSUR	Fri, Dec 12, 2008	3.04	3.39	3.02	3.37
4220	NASDAQ	OSUR	Thu, Dec 11, 2008	3.33	3.48	3.06	3.06
4219	NASDAQ	OSUR	Wed, Dec 10, 2008	3.42	3.79	3.27	3.39
4218	NASDAQ	OSUR	Tue, Dec 9, 2008	3.73	3.93	3.35	3.39
4217	NASDAQ	OSUR	Mon, Dec 8, 2008	3.55	3.83	3.28	3.80
4216	NASDAQ	OSUR	Fri, Dec 5, 2008	3.30	3.46	3.08	3.45
4215	NASDAQ	OSUR	Thu, Dec 4, 2008	3.38	3.70	3.17	3.37
4214	NASDAQ	OSUR	Wed, Dec 3, 2008	3.11	3.48	3.04	3.45
4213	NASDAQ	OSUR	Tue, Dec 2, 2008	2.77	3.22	2.77	3.21
4212	NASDAQ	OSUR	Mon, Dec 1, 2008	3.32	3.32	2.59	2.70
4211	NASDAQ	OSUR	Fri, Nov 28, 2008	3.47	3.47	3.22	3.44
4210	NASDAQ	OSUR	Wed, Nov 26, 2008	3.17	3.55	2.92	3.53
4209	NASDAQ	OSUR	Tue, Nov 25, 2008	2.88	3.29	2.60	3.28
4208	NASDAQ	OSUR	Mon, Nov 24, 2008	2.86	2.98	2.56	2.85
4207	NASDAQ	OSUR	Fri, Nov 21, 2008	2.48	2.84	2.18	2.82
4206	NASDAQ	OSUR	Thu, Nov 20, 2008	2.56	2.76	2.40	2.43
4205	NASDAQ	OSUR	Wed, Nov 19, 2008	2.90	2.97	2.56	2.58
4204	NASDAQ	OSUR	Tue, Nov 18, 2008	3.00	3.10	2.75	2.91
4203	NASDAQ	OSUR	Mon, Nov 17, 2008	2.89	3.12	2.83	2.98
4202	NASDAQ	OSUR	Fri, Nov 14, 2008	3.29	3.39	2.92	2.93
4201	NASDAQ	OSUR	Thu, Nov 13, 2008	2.91	3.38	2.76	3.36
4200	NASDAQ	OSUR	Wed, Nov 12, 2008	3.04	3.21	2.86	2.88
4199	NASDAQ	OSUR	Tue, Nov 11, 2008	3.15	3.45	3.05	3.07
4198	NASDAQ	OSUR	Mon, Nov 10, 2008	3.46	3.49	3.16	3.16
4197	NASDAQ	OSUR	Fri, Nov 7, 2008	3.70	3.73	3.27	3.36
4196	NASDAQ	OSUR	Thu, Nov 6, 2008	4.15	4.15	3.63	3.65
4195	NASDAQ	OSUR	Wed, Nov 5, 2008	4.42	4.51	4.07	4.07
4194	NASDAQ	OSUR	Tue, Nov 4, 2008	4.69	4.73	4.28	4.44
4193	NASDAQ	OSUR	Mon, Nov 3, 2008	4.60	4.94	4.24	4.51
4192	NASDAQ	OSUR	Fri, Oct 31, 2008	4.45	4.75	4.37	4.61
4191	NASDAQ	OSUR	Thu, Oct 30, 2008	4.42	4.59	4.12	4.46
4190	NASDAQ	OSUR	Wed, Oct 29, 2008	4.43	4.50	4.01	4.24
4189	NASDAQ	OSUR	Tue, Oct 28, 2008	3.55	4.54	3.45	4.53
4188	NASDAQ	OSUR	Mon, Oct 27, 2008	3.68	3.83	3.42	3.42
4187	NASDAQ	OSUR	Fri, Oct 24, 2008	3.33	3.81	3.33	3.73
4186	NASDAQ	OSUR	Thu, Oct 23, 2008	3.71	3.84	3.44	3.57
4185	NASDAQ	OSUR	Wed, Oct 22, 2008	3.81	4.07	3.65	3.68
4184	NASDAQ	OSUR	Tue, Oct 21, 2008	4.05	4.10	3.97	3.99
4183	NASDAQ	OSUR	Mon, Oct 20, 2008	4.15	4.20	3.84	4.13
4182	NASDAQ	OSUR	Fri, Oct 17, 2008	3.72	4.20	3.72	4.07
4181	NASDAQ	OSUR	Thu, Oct 16, 2008	3.45	3.92	3.09	3.88
4180	NASDAQ	OSUR	Wed, Oct 15, 2008	3.93	3.97	3.40	3.43
4179	NASDAQ	OSUR	Tue, Oct 14, 2008	4.21	4.21	3.55	3.98
4178	NASDAQ	OSUR	Mon, Oct 13, 2008	3.41	4.08	3.41	4.08
4177	NASDAQ	OSUR	Fri, Oct 10, 2008	3.26	3.40	2.35	3.31
4176	NASDAQ	OSUR	Thu, Oct 9, 2008	4.15	4.33	3.30	3.40
4175	NASDAQ	OSUR	Wed, Oct 8, 2008	4.03	4.43	3.99	4.07
4174	NASDAQ	OSUR	Tue, Oct 7, 2008	4.49	4.68	4.08	4.13
4173	NASDAQ	OSUR	Mon, Oct 6, 2008	4.23	4.45	4.00	4.42
4172	NASDAQ	OSUR	Fri, Oct 3, 2008	4.55	4.74	4.27	4.27
4171	NASDAQ	OSUR	Thu, Oct 2, 2008	4.75	4.81	4.46	4.47
4170	NASDAQ	OSUR	Wed, Oct 1, 2008	4.87	4.96	4.53	4.76
4169	NASDAQ	OSUR	Tue, Sep 30, 2008	4.52	5.09	4.52	4.92
4168	NASDAQ	OSUR	Mon, Sep 29, 2008	4.94	5.34	3.99	4.48
4167	NASDAQ	OSUR	Fri, Sep 26, 2008	4.90	5.19	4.89	5.04
4166	NASDAQ	OSUR	Thu, Sep 25, 2008	5.09	5.21	4.99	4.99
4165	NASDAQ	OSUR	Wed, Sep 24, 2008	5.15	5.36	5.00	5.05
4164	NASDAQ	OSUR	Tue, Sep 23, 2008	5.17	5.40	5.11	5.13
4163	NASDAQ	OSUR	Mon, Sep 22, 2008	5.55	5.55	4.99	5.18
4162	NASDAQ	OSUR	Fri, Sep 19, 2008	5.80	6.25	5.34	5.59
4161	NASDAQ	OSUR	Thu, Sep 18, 2008	4.95	5.53	4.86	5.49
4160	NASDAQ	OSUR	Wed, Sep 17, 2008	4.94	5.08	4.65	4.80
4159	NASDAQ	OSUR	Tue, Sep 16, 2008	4.91	5.06	4.89	5.03
4158	NASDAQ	OSUR	Mon, Sep 15, 2008	4.99	5.16	4.88	4.88
4157	NASDAQ	OSUR	Fri, Sep 12, 2008	4.95	5.16	4.93	5.07
4156	NASDAQ	OSUR	Thu, Sep 11, 2008	4.86	5.07	4.86	5.02
4155	NASDAQ	OSUR	Wed, Sep 10, 2008	4.98	5.11	4.91	5.00
4154	NASDAQ	OSUR	Tue, Sep 9, 2008	5.02	5.13	4.87	4.87
4153	NASDAQ	OSUR	Mon, Sep 8, 2008	5.01	5.09	4.87	5.01
4152	NASDAQ	OSUR	Fri, Sep 5, 2008	4.87	4.90	4.81	4.87
4151	NASDAQ	OSUR	Thu, Sep 4, 2008	5.02	5.02	4.87	4.87
4150	NASDAQ	OSUR	Wed, Sep 3, 2008	5.13	5.20	4.83	5.09
4149	NASDAQ	OSUR	Tue, Sep 2, 2008	5.05	5.17	4.98	5.13
4148	NASDAQ	OSUR	Fri, Aug 29, 2008	5.00	5.06	4.89	4.99
4147	NASDAQ	OSUR	Thu, Aug 28, 2008	4.92	5.05	4.81	5.02
4146	NASDAQ	OSUR	Wed, Aug 27, 2008	4.98	5.07	4.86	4.92
4145	NASDAQ	OSUR	Tue, Aug 26, 2008	4.96	5.08	4.90	4.97
4144	NASDAQ	OSUR	Mon, Aug 25, 2008	5.03	5.03	4.88	4.95
4143	NASDAQ	OSUR	Fri, Aug 22, 2008	4.91	5.07	4.82	5.05
4142	NASDAQ	OSUR	Thu, Aug 21, 2008	4.79	4.95	4.79	4.89
4141	NASDAQ	OSUR	Wed, Aug 20, 2008	4.82	4.95	4.78	4.81
4140	NASDAQ	OSUR	Tue, Aug 19, 2008	4.94	5.00	4.79	4.81
4139	NASDAQ	OSUR	Mon, Aug 18, 2008	4.98	5.08	4.81	5.00
4138	NASDAQ	OSUR	Fri, Aug 15, 2008	4.86	5.06	4.71	4.99
4137	NASDAQ	OSUR	Thu, Aug 14, 2008	4.60	4.78	4.55	4.77
4136	NASDAQ	OSUR	Wed, Aug 13, 2008	4.54	4.70	4.39	4.64
4135	NASDAQ	OSUR	Tue, Aug 12, 2008	4.38	4.53	4.38	4.52
4134	NASDAQ	OSUR	Mon, Aug 11, 2008	4.10	4.46	4.07	4.40
4133	NASDAQ	OSUR	Fri, Aug 8, 2008	4.06	4.14	4.01	4.06
4132	NASDAQ	OSUR	Thu, Aug 7, 2008	4.04	4.13	3.97	4.06
4131	NASDAQ	OSUR	Wed, Aug 6, 2008	4.13	4.13	3.88	4.08
4130	NASDAQ	OSUR	Tue, Aug 5, 2008	4.26	4.26	4.00	4.20
4129	NASDAQ	OSUR	Mon, Aug 4, 2008	4.30	4.45	4.22	4.23
4128	NASDAQ	OSUR	Fri, Aug 1, 2008	4.15	4.31	4.09	4.31
4127	NASDAQ	OSUR	Thu, Jul 31, 2008	4.22	4.36	4.12	4.14
4126	NASDAQ	OSUR	Wed, Jul 30, 2008	4.38	4.45	4.21	4.28
4125	NASDAQ	OSUR	Tue, Jul 29, 2008	4.18	4.47	4.18	4.34
4124	NASDAQ	OSUR	Mon, Jul 28, 2008	4.39	4.40	4.15	4.21
4123	NASDAQ	OSUR	Fri, Jul 25, 2008	4.49	4.65	4.36	4.42
4122	NASDAQ	OSUR	Thu, Jul 24, 2008	4.38	4.51	4.35	4.43
4121	NASDAQ	OSUR	Wed, Jul 23, 2008	4.44	4.49	4.33	4.40
4120	NASDAQ	OSUR	Tue, Jul 22, 2008	4.10	4.36	3.98	4.32
4119	NASDAQ	OSUR	Mon, Jul 21, 2008	4.00	4.16	4.00	4.11
4118	NASDAQ	OSUR	Fri, Jul 18, 2008	4.00	4.10	3.90	3.98
4117	NASDAQ	OSUR	Thu, Jul 17, 2008	4.03	4.06	3.95	4.00
4116	NASDAQ	OSUR	Wed, Jul 16, 2008	4.01	4.37	3.79	4.01
4115	NASDAQ	OSUR	Tue, Jul 15, 2008	4.00	4.34	3.98	4.20
4114	NASDAQ	OSUR	Mon, Jul 14, 2008	4.10	4.14	3.95	4.10
4113	NASDAQ	OSUR	Fri, Jul 11, 2008	4.10	4.24	3.97	4.07
4112	NASDAQ	OSUR	Thu, Jul 10, 2008	4.12	4.38	4.08	4.18
4111	NASDAQ	OSUR	Wed, Jul 9, 2008	4.24	4.25	4.10	4.12
4110	NASDAQ	OSUR	Tue, Jul 8, 2008	4.04	4.25	3.97	4.25
4109	NASDAQ	OSUR	Mon, Jul 7, 2008	4.02	4.13	3.98	4.03
4108	NASDAQ	OSUR	Thu, Jul 3, 2008	4.01	4.03	3.91	4.00
4107	NASDAQ	OSUR	Wed, Jul 2, 2008	3.81	4.06	3.77	3.99
4106	NASDAQ	OSUR	Tue, Jul 1, 2008	3.69	3.86	3.69	3.81
4105	NASDAQ	OSUR	Mon, Jun 30, 2008	3.94	3.98	3.74	3.74
4104	NASDAQ	OSUR	Fri, Jun 27, 2008	4.10	4.18	3.94	3.95
4103	NASDAQ	OSUR	Thu, Jun 26, 2008	4.16	4.26	4.05	4.09
4102	NASDAQ	OSUR	Wed, Jun 25, 2008	4.21	4.21	4.12	4.20
4101	NASDAQ	OSUR	Tue, Jun 24, 2008	4.29	4.29	4.13	4.13
4100	NASDAQ	OSUR	Mon, Jun 23, 2008	4.28	4.37	4.28	4.30
4099	NASDAQ	OSUR	Fri, Jun 20, 2008	4.43	4.49	4.09	4.26
4098	NASDAQ	OSUR	Thu, Jun 19, 2008	4.42	4.56	4.42	4.53
4097	NASDAQ	OSUR	Wed, Jun 18, 2008	4.47	4.55	4.40	4.42
4096	NASDAQ	OSUR	Tue, Jun 17, 2008	4.53	4.53	4.34	4.47
4095	NASDAQ	OSUR	Mon, Jun 16, 2008	5.16	5.16	4.30	4.51
4094	NASDAQ	OSUR	Fri, Jun 13, 2008	4.82	5.19	4.79	5.19
4093	NASDAQ	OSUR	Thu, Jun 12, 2008	4.85	4.99	4.75	4.76
4092	NASDAQ	OSUR	Wed, Jun 11, 2008	5.06	5.08	4.76	4.79
4091	NASDAQ	OSUR	Tue, Jun 10, 2008	5.12	5.17	5.01	5.09
4090	NASDAQ	OSUR	Mon, Jun 9, 2008	5.50	5.51	5.05	5.18
4089	NASDAQ	OSUR	Fri, Jun 6, 2008	5.69	5.85	5.50	5.50
4088	NASDAQ	OSUR	Thu, Jun 5, 2008	5.35	5.75	5.35	5.74
4087	NASDAQ	OSUR	Wed, Jun 4, 2008	5.23	5.45	5.16	5.35
4086	NASDAQ	OSUR	Tue, Jun 3, 2008	5.42	5.45	5.12	5.26
4085	NASDAQ	OSUR	Mon, Jun 2, 2008	5.41	5.48	5.25	5.39
4084	NASDAQ	OSUR	Fri, May 30, 2008	5.59	5.61	5.25	5.44
4083	NASDAQ	OSUR	Thu, May 29, 2008	5.07	5.61	5.04	5.42
4082	NASDAQ	OSUR	Wed, May 28, 2008	5.37	5.37	5.08	5.12
4081	NASDAQ	OSUR	Tue, May 27, 2008	5.24	5.49	5.18	5.34
4080	NASDAQ	OSUR	Fri, May 23, 2008	5.20	5.25	5.11	5.21
4079	NASDAQ	OSUR	Thu, May 22, 2008	5.08	5.25	4.98	5.24
4078	NASDAQ	OSUR	Wed, May 21, 2008	5.03	5.10	4.95	5.05
4077	NASDAQ	OSUR	Tue, May 20, 2008	5.30	5.34	5.02	5.06
4076	NASDAQ	OSUR	Mon, May 19, 2008	5.35	5.43	5.30	5.31
4075	NASDAQ	OSUR	Fri, May 16, 2008	5.37	5.45	5.30	5.37
4074	NASDAQ	OSUR	Thu, May 15, 2008	5.44	5.45	5.30	5.34
4073	NASDAQ	OSUR	Wed, May 14, 2008	5.44	5.50	5.36	5.40
4072	NASDAQ	OSUR	Tue, May 13, 2008	5.50	5.52	5.30	5.45
4071	NASDAQ	OSUR	Mon, May 12, 2008	5.48	5.55	5.34	5.48
4070	NASDAQ	OSUR	Fri, May 9, 2008	5.42	5.55	5.32	5.48
4069	NASDAQ	OSUR	Thu, May 8, 2008	5.45	5.60	5.38	5.46
4068	NASDAQ	OSUR	Wed, May 7, 2008	5.94	6.00	5.21	5.41
4067	NASDAQ	OSUR	Tue, May 6, 2008	6.59	6.67	6.55	6.57
4066	NASDAQ	OSUR	Mon, May 5, 2008	6.68	6.80	6.59	6.67
4065	NASDAQ	OSUR	Fri, May 2, 2008	6.83	6.84	6.57	6.72
4064	NASDAQ	OSUR	Thu, May 1, 2008	6.47	6.81	6.47	6.75
4063	NASDAQ	OSUR	Wed, Apr 30, 2008	6.59	6.67	6.42	6.46
4062	NASDAQ	OSUR	Tue, Apr 29, 2008	6.73	6.73	6.51	6.56
4061	NASDAQ	OSUR	Mon, Apr 28, 2008	6.66	6.78	6.61	6.71
4060	NASDAQ	OSUR	Fri, Apr 25, 2008	6.67	6.73	6.50	6.66
4059	NASDAQ	OSUR	Thu, Apr 24, 2008	6.44	6.78	6.43	6.63
4058	NASDAQ	OSUR	Wed, Apr 23, 2008	6.40	6.63	6.40	6.48
4057	NASDAQ	OSUR	Tue, Apr 22, 2008	6.64	6.72	6.42	6.50
4056	NASDAQ	OSUR	Mon, Apr 21, 2008	6.61	6.79	6.50	6.69
4055	NASDAQ	OSUR	Fri, Apr 18, 2008	6.73	6.76	6.45	6.61
4054	NASDAQ	OSUR	Thu, Apr 17, 2008	6.94	6.94	6.51	6.58
4053	NASDAQ	OSUR	Wed, Apr 16, 2008	7.03	7.13	6.94	6.98
4052	NASDAQ	OSUR	Tue, Apr 15, 2008	7.05	7.08	6.97	6.98
4051	NASDAQ	OSUR	Mon, Apr 14, 2008	7.05	7.08	6.98	7.02
4050	NASDAQ	OSUR	Fri, Apr 11, 2008	7.31	7.34	7.07	7.09
4049	NASDAQ	OSUR	Thu, Apr 10, 2008	7.22	7.47	7.22	7.41
4048	NASDAQ	OSUR	Wed, Apr 9, 2008	7.43	7.43	7.20	7.20
4047	NASDAQ	OSUR	Tue, Apr 8, 2008	7.31	7.58	7.31	7.43
4046	NASDAQ	OSUR	Mon, Apr 7, 2008	7.60	7.60	7.36	7.39
4045	NASDAQ	OSUR	Fri, Apr 4, 2008	7.52	7.67	7.43	7.55
4044	NASDAQ	OSUR	Thu, Apr 3, 2008	7.54	7.62	7.34	7.43
4043	NASDAQ	OSUR	Wed, Apr 2, 2008	7.81	7.81	7.51	7.57
4042	NASDAQ	OSUR	Tue, Apr 1, 2008	7.37	7.75	7.37	7.75
4041	NASDAQ	OSUR	Mon, Mar 31, 2008	7.19	7.53	7.17	7.31
4040	NASDAQ	OSUR	Fri, Mar 28, 2008	7.49	7.73	7.22	7.26
4039	NASDAQ	OSUR	Thu, Mar 27, 2008	7.55	7.65	7.25	7.46
4038	NASDAQ	OSUR	Wed, Mar 26, 2008	7.39	7.58	7.26	7.56
4037	NASDAQ	OSUR	Tue, Mar 25, 2008	7.60	7.60	7.37	7.44
4036	NASDAQ	OSUR	Mon, Mar 24, 2008	7.22	7.58	7.18	7.58
4035	NASDAQ	OSUR	Thu, Mar 20, 2008	7.15	7.27	6.95	7.22
4034	NASDAQ	OSUR	Wed, Mar 19, 2008	7.18	7.25	7.02	7.02
4033	NASDAQ	OSUR	Tue, Mar 18, 2008	6.78	7.15	6.70	7.08
4032	NASDAQ	OSUR	Mon, Mar 17, 2008	6.55	6.85	6.49	6.69
4031	NASDAQ	OSUR	Fri, Mar 14, 2008	7.10	7.19	6.63	6.67
4030	NASDAQ	OSUR	Thu, Mar 13, 2008	6.70	7.07	6.66	7.03
4029	NASDAQ	OSUR	Wed, Mar 12, 2008	6.89	7.01	6.75	6.79
4028	NASDAQ	OSUR	Tue, Mar 11, 2008	6.50	7.09	6.37	6.86
4027	NASDAQ	OSUR	Mon, Mar 10, 2008	6.71	6.72	6.50	6.52
4026	NASDAQ	OSUR	Fri, Mar 7, 2008	6.77	6.95	6.69	6.70
4025	NASDAQ	OSUR	Thu, Mar 6, 2008	7.04	7.04	6.85	6.85
4024	NASDAQ	OSUR	Wed, Mar 5, 2008	7.09	7.10	6.97	7.09
4023	NASDAQ	OSUR	Tue, Mar 4, 2008	6.88	7.06	6.85	7.06
4022	NASDAQ	OSUR	Mon, Mar 3, 2008	7.11	7.19	6.81	6.97
4021	NASDAQ	OSUR	Fri, Feb 29, 2008	6.96	7.17	6.79	7.14
4020	NASDAQ	OSUR	Thu, Feb 28, 2008	7.16	7.23	7.05	7.06
4019	NASDAQ	OSUR	Wed, Feb 27, 2008	7.05	7.20	7.05	7.16
4018	NASDAQ	OSUR	Tue, Feb 26, 2008	7.00	7.19	6.98	7.11
4017	NASDAQ	OSUR	Mon, Feb 25, 2008	6.75	7.07	6.71	7.03
4016	NASDAQ	OSUR	Fri, Feb 22, 2008	6.94	7.06	6.66	6.76
4015	NASDAQ	OSUR	Thu, Feb 21, 2008	7.34	7.43	6.91	6.91
4014	NASDAQ	OSUR	Wed, Feb 20, 2008	7.19	7.41	7.10	7.30
4013	NASDAQ	OSUR	Tue, Feb 19, 2008	7.46	7.56	7.17	7.21
4012	NASDAQ	OSUR	Fri, Feb 15, 2008	7.42	7.48	7.35	7.42
4011	NASDAQ	OSUR	Thu, Feb 14, 2008	7.57	7.59	7.32	7.46
4010	NASDAQ	OSUR	Wed, Feb 13, 2008	7.22	7.57	7.13	7.54
4009	NASDAQ	OSUR	Tue, Feb 12, 2008	7.72	7.79	7.40	7.49
4008	NASDAQ	OSUR	Mon, Feb 11, 2008	7.80	7.93	7.57	7.79
4007	NASDAQ	OSUR	Fri, Feb 8, 2008	7.74	7.97	7.57	7.61
4006	NASDAQ	OSUR	Thu, Feb 7, 2008	7.78	7.95	7.62	7.74
4005	NASDAQ	OSUR	Wed, Feb 6, 2008	7.87	7.94	7.80	7.83
4004	NASDAQ	OSUR	Tue, Feb 5, 2008	7.71	7.90	7.71	7.82
4003	NASDAQ	OSUR	Mon, Feb 4, 2008	8.14	8.18	7.75	7.80
4002	NASDAQ	OSUR	Fri, Feb 1, 2008	7.96	8.19	7.92	8.16
4001	NASDAQ	OSUR	Thu, Jan 31, 2008	8.04	8.12	7.89	7.91
4000	NASDAQ	OSUR	Wed, Jan 30, 2008	8.12	8.33	8.05	8.05
3999	NASDAQ	OSUR	Tue, Jan 29, 2008	8.53	8.53	8.15	8.20
3998	NASDAQ	OSUR	Mon, Jan 28, 2008	8.20	8.56	8.17	8.49
3997	NASDAQ	OSUR	Fri, Jan 25, 2008	8.37	8.50	8.16	8.23
3996	NASDAQ	OSUR	Thu, Jan 24, 2008	8.62	8.62	8.25	8.25
3995	NASDAQ	OSUR	Wed, Jan 23, 2008	8.11	8.63	8.10	8.62
3994	NASDAQ	OSUR	Tue, Jan 22, 2008	8.21	8.40	8.10	8.25
3993	NASDAQ	OSUR	Fri, Jan 18, 2008	8.82	8.94	8.41	8.53
3992	NASDAQ	OSUR	Thu, Jan 17, 2008	9.10	9.13	8.83	8.86
3991	NASDAQ	OSUR	Wed, Jan 16, 2008	8.79	9.23	8.77	9.11
3990	NASDAQ	OSUR	Tue, Jan 15, 2008	8.73	8.90	8.50	8.80
3989	NASDAQ	OSUR	Mon, Jan 14, 2008	8.90	8.94	8.65	8.86
3988	NASDAQ	OSUR	Fri, Jan 11, 2008	8.80	8.93	8.72	8.82
3987	NASDAQ	OSUR	Thu, Jan 10, 2008	8.56	9.00	8.46	8.89
3986	NASDAQ	OSUR	Wed, Jan 9, 2008	8.43	8.72	8.37	8.68
3985	NASDAQ	OSUR	Tue, Jan 8, 2008	8.62	8.72	8.43	8.43
3984	NASDAQ	OSUR	Mon, Jan 7, 2008	8.38	8.74	8.34	8.60
3983	NASDAQ	OSUR	Fri, Jan 4, 2008	8.58	8.63	8.32	8.37
3982	NASDAQ	OSUR	Thu, Jan 3, 2008	8.72	8.86	8.57	8.69
3981	NASDAQ	OSUR	Wed, Jan 2, 2008	8.85	9.01	8.60	8.72
3980	NASDAQ	OSUR	Mon, Dec 31, 2007	8.81	9.00	8.71	8.89
3979	NASDAQ	OSUR	Fri, Dec 28, 2007	8.80	9.00	8.74	8.87
3978	NASDAQ	OSUR	Thu, Dec 27, 2007	9.20	9.24	8.76	8.76
3977	NASDAQ	OSUR	Wed, Dec 26, 2007	9.08	9.25	9.03	9.25
3976	NASDAQ	OSUR	Mon, Dec 24, 2007	9.14	9.21	8.95	9.15
3975	NASDAQ	OSUR	Fri, Dec 21, 2007	8.95	9.21	8.84	9.11
3974	NASDAQ	OSUR	Thu, Dec 20, 2007	8.53	8.82	8.39	8.82
3973	NASDAQ	OSUR	Wed, Dec 19, 2007	8.58	8.69	8.33	8.46
3972	NASDAQ	OSUR	Tue, Dec 18, 2007	8.39	8.59	8.13	8.59
3971	NASDAQ	OSUR	Mon, Dec 17, 2007	8.69	8.79	8.27	8.27
3970	NASDAQ	OSUR	Fri, Dec 14, 2007	8.84	9.06	8.69	8.70
3969	NASDAQ	OSUR	Thu, Dec 13, 2007	8.75	8.99	8.65	8.97
3968	NASDAQ	OSUR	Wed, Dec 12, 2007	8.98	8.99	8.68	8.79
3967	NASDAQ	OSUR	Tue, Dec 11, 2007	8.89	8.92	8.68	8.69
3966	NASDAQ	OSUR	Mon, Dec 10, 2007	8.98	9.02	8.76	8.86
3965	NASDAQ	OSUR	Fri, Dec 7, 2007	9.24	9.24	8.86	9.01
3964	NASDAQ	OSUR	Thu, Dec 6, 2007	8.81	9.23	8.81	9.23
3963	NASDAQ	OSUR	Wed, Dec 5, 2007	9.00	9.10	8.78	8.81
3962	NASDAQ	OSUR	Tue, Dec 4, 2007	8.98	9.02	8.85	8.86
3961	NASDAQ	OSUR	Mon, Dec 3, 2007	9.53	9.56	9.03	9.06
3960	NASDAQ	OSUR	Fri, Nov 30, 2007	9.17	9.64	8.90	9.48
3959	NASDAQ	OSUR	Thu, Nov 29, 2007	9.16	9.19	8.88	9.06
3958	NASDAQ	OSUR	Wed, Nov 28, 2007	8.93	9.21	8.84	9.19
3957	NASDAQ	OSUR	Tue, Nov 27, 2007	8.55	9.07	8.51	8.83
3956	NASDAQ	OSUR	Mon, Nov 26, 2007	8.70	8.77	8.38	8.51
3955	NASDAQ	OSUR	Fri, Nov 23, 2007	8.71	8.79	8.50	8.71
3954	NASDAQ	OSUR	Wed, Nov 21, 2007	8.46	8.73	8.35	8.66
3953	NASDAQ	OSUR	Tue, Nov 20, 2007	8.51	8.82	8.27	8.49
3952	NASDAQ	OSUR	Mon, Nov 19, 2007	8.85	8.85	8.62	8.73
3951	NASDAQ	OSUR	Fri, Nov 16, 2007	8.95	9.04	8.62	8.96
3950	NASDAQ	OSUR	Thu, Nov 15, 2007	9.09	9.19	8.82	8.93
3949	NASDAQ	OSUR	Wed, Nov 14, 2007	9.37	9.61	9.07	9.13
3948	NASDAQ	OSUR	Tue, Nov 13, 2007	9.20	9.27	8.95	9.27
3947	NASDAQ	OSUR	Mon, Nov 12, 2007	8.87	9.33	8.73	9.15
3946	NASDAQ	OSUR	Fri, Nov 9, 2007	8.74	8.94	8.57	8.91
3945	NASDAQ	OSUR	Thu, Nov 8, 2007	8.65	8.86	8.33	8.79
3944	NASDAQ	OSUR	Wed, Nov 7, 2007	8.84	8.99	8.55	8.59
3943	NASDAQ	OSUR	Tue, Nov 6, 2007	9.10	9.13	8.82	8.97
3942	NASDAQ	OSUR	Mon, Nov 5, 2007	9.14	9.16	8.85	9.09
3941	NASDAQ	OSUR	Fri, Nov 2, 2007	9.03	9.30	8.83	9.28
3940	NASDAQ	OSUR	Thu, Nov 1, 2007	8.97	9.08	8.80	8.91
3939	NASDAQ	OSUR	Wed, Oct 31, 2007	9.73	10.00	9.02	9.07
3938	NASDAQ	OSUR	Tue, Oct 30, 2007	10.01	10.07	9.80	9.82
3937	NASDAQ	OSUR	Mon, Oct 29, 2007	10.12	10.12	10.00	10.04
3936	NASDAQ	OSUR	Fri, Oct 26, 2007	10.16	10.20	10.00	10.17
3935	NASDAQ	OSUR	Thu, Oct 25, 2007	10.19	10.19	9.98	10.04
3934	NASDAQ	OSUR	Wed, Oct 24, 2007	10.17	10.17	9.79	10.14
3933	NASDAQ	OSUR	Tue, Oct 23, 2007	10.00	10.21	9.85	10.21
3932	NASDAQ	OSUR	Mon, Oct 22, 2007	9.80	10.02	9.78	9.96
3931	NASDAQ	OSUR	Fri, Oct 19, 2007	10.05	10.11	9.76	9.77
3930	NASDAQ	OSUR	Thu, Oct 18, 2007	10.18	10.22	10.04	10.05
3929	NASDAQ	OSUR	Wed, Oct 17, 2007	10.21	10.27	9.97	10.20
3928	NASDAQ	OSUR	Tue, Oct 16, 2007	10.21	10.22	9.95	10.16
3927	NASDAQ	OSUR	Mon, Oct 15, 2007	10.32	10.36	10.14	10.22
3926	NASDAQ	OSUR	Fri, Oct 12, 2007	10.28	10.37	10.20	10.26
3925	NASDAQ	OSUR	Thu, Oct 11, 2007	10.50	10.57	10.25	10.29
3924	NASDAQ	OSUR	Wed, Oct 10, 2007	10.48	10.50	10.31	10.50
3923	NASDAQ	OSUR	Tue, Oct 9, 2007	10.55	10.57	10.29	10.52
3922	NASDAQ	OSUR	Mon, Oct 8, 2007	10.43	10.52	10.35	10.52
3921	NASDAQ	OSUR	Fri, Oct 5, 2007	10.46	10.53	10.27	10.47
3920	NASDAQ	OSUR	Thu, Oct 4, 2007	10.20	10.42	10.09	10.41
3919	NASDAQ	OSUR	Wed, Oct 3, 2007	10.33	10.44	10.15	10.18
3918	NASDAQ	OSUR	Tue, Oct 2, 2007	10.17	10.45	10.08	10.41
3917	NASDAQ	OSUR	Mon, Oct 1, 2007	10.03	10.25	9.97	10.14
3916	NASDAQ	OSUR	Fri, Sep 28, 2007	9.77	10.20	9.77	10.05
3915	NASDAQ	OSUR	Thu, Sep 27, 2007	9.70	9.83	9.62	9.80
3914	NASDAQ	OSUR	Wed, Sep 26, 2007	9.37	9.83	9.30	9.65
3913	NASDAQ	OSUR	Tue, Sep 25, 2007	9.25	9.38	9.16	9.36
3912	NASDAQ	OSUR	Mon, Sep 24, 2007	9.32	9.39	9.23	9.33
3911	NASDAQ	OSUR	Fri, Sep 21, 2007	9.42	9.57	9.29	9.32
3910	NASDAQ	OSUR	Thu, Sep 20, 2007	9.49	9.56	9.11	9.35
3909	NASDAQ	OSUR	Wed, Sep 19, 2007	9.47	9.73	9.36	9.56
3908	NASDAQ	OSUR	Tue, Sep 18, 2007	9.06	9.51	9.00	9.45
3907	NASDAQ	OSUR	Mon, Sep 17, 2007	9.16	9.31	9.04	9.13
3906	NASDAQ	OSUR	Fri, Sep 14, 2007	9.04	9.21	9.02	9.20
3905	NASDAQ	OSUR	Thu, Sep 13, 2007	9.13	9.25	9.01	9.17
3904	NASDAQ	OSUR	Wed, Sep 12, 2007	9.24	9.30	9.07	9.07
3903	NASDAQ	OSUR	Tue, Sep 11, 2007	9.08	9.31	8.99	9.27
3902	NASDAQ	OSUR	Mon, Sep 10, 2007	9.25	9.37	8.94	9.01
3901	NASDAQ	OSUR	Fri, Sep 7, 2007	9.26	9.55	9.13	9.22
3900	NASDAQ	OSUR	Thu, Sep 6, 2007	9.36	9.47	9.32	9.45
3899	NASDAQ	OSUR	Wed, Sep 5, 2007	9.33	9.48	9.23	9.34
3898	NASDAQ	OSUR	Tue, Sep 4, 2007	9.18	9.44	9.12	9.41
3897	NASDAQ	OSUR	Fri, Aug 31, 2007	9.43	9.43	9.10	9.20
3896	NASDAQ	OSUR	Thu, Aug 30, 2007	9.20	9.41	9.10	9.29
3895	NASDAQ	OSUR	Wed, Aug 29, 2007	9.02	9.31	8.93	9.30
3894	NASDAQ	OSUR	Tue, Aug 28, 2007	9.14	9.25	8.87	8.87
3893	NASDAQ	OSUR	Mon, Aug 27, 2007	9.53	9.55	9.14	9.22
3892	NASDAQ	OSUR	Fri, Aug 24, 2007	9.47	9.60	9.42	9.60
3891	NASDAQ	OSUR	Thu, Aug 23, 2007	9.55	9.59	9.38	9.48
3890	NASDAQ	OSUR	Wed, Aug 22, 2007	9.85	9.86	9.45	9.49
3889	NASDAQ	OSUR	Tue, Aug 21, 2007	9.74	9.83	9.57	9.74
3888	NASDAQ	OSUR	Mon, Aug 20, 2007	9.50	9.81	9.43	9.76
3887	NASDAQ	OSUR	Fri, Aug 17, 2007	9.80	9.83	9.31	9.45
3886	NASDAQ	OSUR	Thu, Aug 16, 2007	9.12	9.49	9.11	9.49
3885	NASDAQ	OSUR	Wed, Aug 15, 2007	9.09	9.53	9.09	9.17
3884	NASDAQ	OSUR	Tue, Aug 14, 2007	9.36	9.53	9.12	9.13
3883	NASDAQ	OSUR	Mon, Aug 13, 2007	9.60	9.70	9.25	9.34
3882	NASDAQ	OSUR	Fri, Aug 10, 2007	9.30	9.70	9.25	9.50
3881	NASDAQ	OSUR	Thu, Aug 9, 2007	9.49	9.93	9.20	9.55
3880	NASDAQ	OSUR	Wed, Aug 8, 2007	9.40	9.86	9.32	9.58
3879	NASDAQ	OSUR	Tue, Aug 7, 2007	9.30	9.49	9.10	9.41
3878	NASDAQ	OSUR	Mon, Aug 6, 2007	8.76	9.40	8.69	9.39
3877	NASDAQ	OSUR	Fri, Aug 3, 2007	8.65	9.00	8.60	8.82
3876	NASDAQ	OSUR	Thu, Aug 2, 2007	8.50	8.69	8.22	8.66
3875	NASDAQ	OSUR	Wed, Aug 1, 2007	8.05	8.50	8.05	8.46
3874	NASDAQ	OSUR	Tue, Jul 31, 2007	8.08	8.30	8.00	8.01
3873	NASDAQ	OSUR	Mon, Jul 30, 2007	8.08	8.19	7.89	8.10
3872	NASDAQ	OSUR	Fri, Jul 27, 2007	8.33	8.46	8.10	8.11
3871	NASDAQ	OSUR	Thu, Jul 26, 2007	8.39	8.49	8.23	8.38
3870	NASDAQ	OSUR	Wed, Jul 25, 2007	8.37	8.51	8.05	8.50
3869	NASDAQ	OSUR	Tue, Jul 24, 2007	8.66	8.66	8.24	8.31
3868	NASDAQ	OSUR	Mon, Jul 23, 2007	8.55	8.75	8.50	8.59
3867	NASDAQ	OSUR	Fri, Jul 20, 2007	8.67	8.67	8.39	8.50
3866	NASDAQ	OSUR	Thu, Jul 19, 2007	8.64	8.74	8.50	8.69
3865	NASDAQ	OSUR	Wed, Jul 18, 2007	8.38	8.63	8.28	8.58
3864	NASDAQ	OSUR	Tue, Jul 17, 2007	8.63	8.69	8.39	8.40
3863	NASDAQ	OSUR	Mon, Jul 16, 2007	8.64	8.73	8.55	8.61
3862	NASDAQ	OSUR	Fri, Jul 13, 2007	8.59	8.73	8.55	8.64
3861	NASDAQ	OSUR	Thu, Jul 12, 2007	8.56	8.65	8.50	8.65
3860	NASDAQ	OSUR	Wed, Jul 11, 2007	8.54	8.60	8.40	8.51
3859	NASDAQ	OSUR	Tue, Jul 10, 2007	8.60	8.63	8.50	8.54
3858	NASDAQ	OSUR	Mon, Jul 9, 2007	8.47	8.64	8.36	8.57
3857	NASDAQ	OSUR	Fri, Jul 6, 2007	8.21	8.46	8.14	8.38
3856	NASDAQ	OSUR	Thu, Jul 5, 2007	8.18	8.26	8.10	8.22
3855	NASDAQ	OSUR	Tue, Jul 3, 2007	8.17	8.24	8.07	8.16
3854	NASDAQ	OSUR	Mon, Jul 2, 2007	8.25	8.29	8.09	8.16
3853	NASDAQ	OSUR	Fri, Jun 29, 2007	8.27	8.31	8.15	8.18
3852	NASDAQ	OSUR	Thu, Jun 28, 2007	8.37	8.37	8.16	8.25
3851	NASDAQ	OSUR	Wed, Jun 27, 2007	8.16	8.37	8.05	8.37
3850	NASDAQ	OSUR	Tue, Jun 26, 2007	8.08	8.31	8.08	8.19
3849	NASDAQ	OSUR	Mon, Jun 25, 2007	8.12	8.34	7.97	8.02
3848	NASDAQ	OSUR	Fri, Jun 22, 2007	8.07	8.21	8.01	8.11
3847	NASDAQ	OSUR	Thu, Jun 21, 2007	8.10	8.15	7.98	8.09
3846	NASDAQ	OSUR	Wed, Jun 20, 2007	8.33	8.33	8.05	8.09
3845	NASDAQ	OSUR	Tue, Jun 19, 2007	8.32	8.37	8.25	8.32
3844	NASDAQ	OSUR	Mon, Jun 18, 2007	8.48	8.48	8.20	8.35
3843	NASDAQ	OSUR	Fri, Jun 15, 2007	8.48	8.49	8.28	8.42
3842	NASDAQ	OSUR	Thu, Jun 14, 2007	8.20	8.41	8.20	8.40
3841	NASDAQ	OSUR	Wed, Jun 13, 2007	8.00	8.33	7.98	8.22
3840	NASDAQ	OSUR	Tue, Jun 12, 2007	7.72	8.02	7.61	7.97
3839	NASDAQ	OSUR	Mon, Jun 11, 2007	7.85	7.91	7.59	7.75
3838	NASDAQ	OSUR	Fri, Jun 8, 2007	7.42	7.61	7.41	7.60
3837	NASDAQ	OSUR	Thu, Jun 7, 2007	7.52	7.67	7.40	7.45
3836	NASDAQ	OSUR	Wed, Jun 6, 2007	7.56	7.72	7.52	7.58
3835	NASDAQ	OSUR	Tue, Jun 5, 2007	7.77	7.80	7.57	7.62
3834	NASDAQ	OSUR	Mon, Jun 4, 2007	7.74	7.80	7.66	7.77
3833	NASDAQ	OSUR	Fri, Jun 1, 2007	7.70	7.80	7.65	7.76
3832	NASDAQ	OSUR	Thu, May 31, 2007	7.54	7.79	7.50	7.66
3831	NASDAQ	OSUR	Wed, May 30, 2007	7.58	7.78	7.53	7.63
3830	NASDAQ	OSUR	Tue, May 29, 2007	7.60	7.74	7.50	7.68
3829	NASDAQ	OSUR	Fri, May 25, 2007	7.39	7.76	7.37	7.56
3828	NASDAQ	OSUR	Thu, May 24, 2007	7.63	7.70	7.27	7.34
3827	NASDAQ	OSUR	Wed, May 23, 2007	7.61	7.66	7.50	7.66
3826	NASDAQ	OSUR	Tue, May 22, 2007	7.47	7.62	7.40	7.57
3825	NASDAQ	OSUR	Mon, May 21, 2007	7.38	7.46	7.31	7.44
3824	NASDAQ	OSUR	Fri, May 18, 2007	7.07	7.38	6.97	7.37
3823	NASDAQ	OSUR	Thu, May 17, 2007	7.12	7.12	6.92	7.04
3822	NASDAQ	OSUR	Wed, May 16, 2007	7.08	7.16	7.01	7.12
3821	NASDAQ	OSUR	Tue, May 15, 2007	7.19	7.20	7.05	7.07
3820	NASDAQ	OSUR	Mon, May 14, 2007	7.29	7.32	7.13	7.18
3819	NASDAQ	OSUR	Fri, May 11, 2007	7.33	7.40	7.22	7.28
3818	NASDAQ	OSUR	Thu, May 10, 2007	7.66	7.72	7.25	7.26
3817	NASDAQ	OSUR	Wed, May 9, 2007	7.61	7.83	7.49	7.72
3816	NASDAQ	OSUR	Tue, May 8, 2007	7.57	7.61	7.40	7.49
3815	NASDAQ	OSUR	Mon, May 7, 2007	7.64	7.66	7.52	7.65
3814	NASDAQ	OSUR	Fri, May 4, 2007	7.58	7.70	7.50	7.54
3813	NASDAQ	OSUR	Thu, May 3, 2007	7.60	7.71	7.46	7.50
3812	NASDAQ	OSUR	Wed, May 2, 2007	7.30	7.62	7.27	7.61
3811	NASDAQ	OSUR	Tue, May 1, 2007	7.46	7.46	7.20	7.26
3810	NASDAQ	OSUR	Mon, Apr 30, 2007	7.72	7.72	7.40	7.45
3809	NASDAQ	OSUR	Fri, Apr 27, 2007	7.63	7.72	7.51	7.61
3808	NASDAQ	OSUR	Thu, Apr 26, 2007	7.49	7.65	7.45	7.64
3807	NASDAQ	OSUR	Wed, Apr 25, 2007	7.42	7.60	7.42	7.46
3806	NASDAQ	OSUR	Tue, Apr 24, 2007	7.47	7.57	7.32	7.49
3805	NASDAQ	OSUR	Mon, Apr 23, 2007	7.48	7.65	7.45	7.47
3804	NASDAQ	OSUR	Fri, Apr 20, 2007	7.45	7.56	7.37	7.52
3803	NASDAQ	OSUR	Thu, Apr 19, 2007	7.48	7.48	7.31	7.33
3802	NASDAQ	OSUR	Wed, Apr 18, 2007	7.53	7.65	7.50	7.51
3801	NASDAQ	OSUR	Tue, Apr 17, 2007	7.47	7.63	7.45	7.59
3800	NASDAQ	OSUR	Mon, Apr 16, 2007	7.67	7.78	7.40	7.49
3799	NASDAQ	OSUR	Fri, Apr 13, 2007	7.62	7.74	7.53	7.64
3798	NASDAQ	OSUR	Thu, Apr 12, 2007	7.54	7.71	7.50	7.63
3797	NASDAQ	OSUR	Wed, Apr 11, 2007	7.61	7.67	7.52	7.56
3796	NASDAQ	OSUR	Tue, Apr 10, 2007	7.36	7.70	7.36	7.62
3795	NASDAQ	OSUR	Mon, Apr 9, 2007	7.59	7.63	7.33	7.38
3794	NASDAQ	OSUR	Thu, Apr 5, 2007	7.54	7.64	7.51	7.60
3793	NASDAQ	OSUR	Wed, Apr 4, 2007	7.63	7.67	7.48	7.56
3792	NASDAQ	OSUR	Tue, Apr 3, 2007	7.46	7.96	7.43	7.65
3791	NASDAQ	OSUR	Mon, Apr 2, 2007	7.44	7.47	7.29	7.46
3790	NASDAQ	OSUR	Fri, Mar 30, 2007	7.35	7.43	7.16	7.35
3789	NASDAQ	OSUR	Thu, Mar 29, 2007	7.39	7.51	7.20	7.32
3788	NASDAQ	OSUR	Wed, Mar 28, 2007	7.36	7.42	7.30	7.36
3787	NASDAQ	OSUR	Tue, Mar 27, 2007	7.50	7.52	7.34	7.41
3786	NASDAQ	OSUR	Mon, Mar 26, 2007	7.53	7.57	7.40	7.54
3785	NASDAQ	OSUR	Fri, Mar 23, 2007	7.62	7.82	7.51	7.55
3784	NASDAQ	OSUR	Thu, Mar 22, 2007	7.66	7.83	7.63	7.65
3783	NASDAQ	OSUR	Wed, Mar 21, 2007	7.42	7.66	7.34	7.63
3782	NASDAQ	OSUR	Tue, Mar 20, 2007	7.27	7.55	7.26	7.39
3781	NASDAQ	OSUR	Mon, Mar 19, 2007	7.23	7.47	7.22	7.30
3780	NASDAQ	OSUR	Fri, Mar 16, 2007	7.32	7.40	7.20	7.20
3779	NASDAQ	OSUR	Thu, Mar 15, 2007	7.33	7.40	7.25	7.33
3778	NASDAQ	OSUR	Wed, Mar 14, 2007	7.20	7.39	7.18	7.32
3777	NASDAQ	OSUR	Tue, Mar 13, 2007	7.33	7.43	7.05	7.20
3776	NASDAQ	OSUR	Mon, Mar 12, 2007	7.42	7.53	7.32	7.37
3775	NASDAQ	OSUR	Fri, Mar 9, 2007	7.45	7.52	7.39	7.46
3774	NASDAQ	OSUR	Thu, Mar 8, 2007	7.40	7.49	7.31	7.37
3773	NASDAQ	OSUR	Wed, Mar 7, 2007	7.42	7.52	7.27	7.30
3772	NASDAQ	OSUR	Tue, Mar 6, 2007	7.20	7.49	7.20	7.44
3771	NASDAQ	OSUR	Mon, Mar 5, 2007	7.30	7.43	7.14	7.18
3770	NASDAQ	OSUR	Fri, Mar 2, 2007	7.68	7.89	7.46	7.58
3769	NASDAQ	OSUR	Thu, Mar 1, 2007	7.94	7.95	7.55	7.76
3768	NASDAQ	OSUR	Wed, Feb 28, 2007	7.95	8.05	7.80	7.96
3767	NASDAQ	OSUR	Tue, Feb 27, 2007	8.16	8.20	7.81	8.01
3766	NASDAQ	OSUR	Mon, Feb 26, 2007	8.25	8.27	8.10	8.23
3765	NASDAQ	OSUR	Fri, Feb 23, 2007	8.30	8.30	8.17	8.25
3764	NASDAQ	OSUR	Thu, Feb 22, 2007	8.25	8.34	8.16	8.33
3763	NASDAQ	OSUR	Wed, Feb 21, 2007	8.01	8.25	8.00	8.25
3762	NASDAQ	OSUR	Tue, Feb 20, 2007	8.01	8.10	7.91	8.06
3761	NASDAQ	OSUR	Fri, Feb 16, 2007	7.92	8.07	7.85	8.06
3760	NASDAQ	OSUR	Thu, Feb 15, 2007	8.04	8.05	7.87	7.89
3759	NASDAQ	OSUR	Wed, Feb 14, 2007	7.78	8.16	6.50	8.06
3758	NASDAQ	OSUR	Tue, Feb 13, 2007	8.13	8.20	8.08	8.16
3757	NASDAQ	OSUR	Mon, Feb 12, 2007	8.16	8.18	8.07	8.15
3756	NASDAQ	OSUR	Fri, Feb 9, 2007	8.19	8.25	8.04	8.13
3755	NASDAQ	OSUR	Thu, Feb 8, 2007	8.25	8.27	8.18	8.21
3754	NASDAQ	OSUR	Wed, Feb 7, 2007	8.22	8.38	8.12	8.30
3753	NASDAQ	OSUR	Tue, Feb 6, 2007	8.21	8.25	8.17	8.22
3752	NASDAQ	OSUR	Mon, Feb 5, 2007	8.25	8.28	8.18	8.22
3751	NASDAQ	OSUR	Fri, Feb 2, 2007	8.29	8.30	8.19	8.27
3750	NASDAQ	OSUR	Thu, Feb 1, 2007	8.28	8.37	8.18	8.25
3749	NASDAQ	OSUR	Wed, Jan 31, 2007	8.35	8.48	8.22	8.28
3748	NASDAQ	OSUR	Tue, Jan 30, 2007	8.27	8.39	8.18	8.38
3747	NASDAQ	OSUR	Mon, Jan 29, 2007	8.27	8.35	8.23	8.25
3746	NASDAQ	OSUR	Fri, Jan 26, 2007	8.29	8.37	8.21	8.28
3745	NASDAQ	OSUR	Thu, Jan 25, 2007	8.49	8.54	8.24	8.30
3744	NASDAQ	OSUR	Wed, Jan 24, 2007	8.39	8.58	8.25	8.50
3743	NASDAQ	OSUR	Tue, Jan 23, 2007	8.27	8.51	8.25	8.39
3742	NASDAQ	OSUR	Mon, Jan 22, 2007	8.54	8.54	8.24	8.27
3741	NASDAQ	OSUR	Fri, Jan 19, 2007	8.25	8.61	8.25	8.53
3740	NASDAQ	OSUR	Thu, Jan 18, 2007	8.57	8.64	8.25	8.28
3739	NASDAQ	OSUR	Wed, Jan 17, 2007	8.51	8.70	8.48	8.56
3738	NASDAQ	OSUR	Tue, Jan 16, 2007	8.65	8.72	8.46	8.56
3737	NASDAQ	OSUR	Fri, Jan 12, 2007	8.64	8.70	8.52	8.64
3736	NASDAQ	OSUR	Thu, Jan 11, 2007	8.62	8.75	8.58	8.63
3735	NASDAQ	OSUR	Wed, Jan 10, 2007	8.38	8.68	8.34	8.60
3734	NASDAQ	OSUR	Tue, Jan 9, 2007	8.44	8.60	8.31	8.44
3733	NASDAQ	OSUR	Mon, Jan 8, 2007	8.56	8.59	8.33	8.45
3732	NASDAQ	OSUR	Fri, Jan 5, 2007	8.72	8.73	8.39	8.58
3731	NASDAQ	OSUR	Thu, Jan 4, 2007	8.61	9.00	8.28	8.74
3730	NASDAQ	OSUR	Wed, Jan 3, 2007	8.34	8.46	8.03	8.15
3729	NASDAQ	OSUR	Fri, Dec 29, 2006	8.50	8.50	8.22	8.26
3728	NASDAQ	OSUR	Thu, Dec 28, 2006	8.40	8.58	8.35	8.50
3727	NASDAQ	OSUR	Wed, Dec 27, 2006	8.25	8.46	8.22	8.39
3726	NASDAQ	OSUR	Tue, Dec 26, 2006	7.97	8.23	7.89	8.21
3725	NASDAQ	OSUR	Fri, Dec 22, 2006	7.96	8.06	7.96	8.00
3724	NASDAQ	OSUR	Thu, Dec 21, 2006	7.98	8.04	7.89	7.96
3723	NASDAQ	OSUR	Wed, Dec 20, 2006	7.98	8.05	7.91	8.00
3722	NASDAQ	OSUR	Tue, Dec 19, 2006	7.85	8.05	7.82	7.99
3721	NASDAQ	OSUR	Mon, Dec 18, 2006	8.12	8.12	7.83	7.90
3720	NASDAQ	OSUR	Fri, Dec 15, 2006	8.19	8.27	8.10	8.12
3719	NASDAQ	OSUR	Thu, Dec 14, 2006	8.21	8.30	8.10	8.15
3718	NASDAQ	OSUR	Wed, Dec 13, 2006	8.35	8.49	7.98	8.18
3717	NASDAQ	OSUR	Tue, Dec 12, 2006	8.34	8.40	8.29	8.32
3716	NASDAQ	OSUR	Mon, Dec 11, 2006	8.36	8.49	8.28	8.37
3715	NASDAQ	OSUR	Fri, Dec 8, 2006	8.40	8.50	8.27	8.42
3714	NASDAQ	OSUR	Thu, Dec 7, 2006	8.52	8.54	8.40	8.40
3713	NASDAQ	OSUR	Wed, Dec 6, 2006	8.56	8.63	8.48	8.53
3712	NASDAQ	OSUR	Tue, Dec 5, 2006	8.63	8.64	8.46	8.62
3711	NASDAQ	OSUR	Mon, Dec 4, 2006	8.58	8.66	8.40	8.63
3710	NASDAQ	OSUR	Fri, Dec 1, 2006	8.58	8.63	8.43	8.58
3709	NASDAQ	OSUR	Thu, Nov 30, 2006	8.50	8.63	8.50	8.61
3708	NASDAQ	OSUR	Wed, Nov 29, 2006	8.41	8.61	8.39	8.46
3707	NASDAQ	OSUR	Tue, Nov 28, 2006	8.17	8.34	8.15	8.32
3706	NASDAQ	OSUR	Mon, Nov 27, 2006	8.63	8.63	8.13	8.19
3705	NASDAQ	OSUR	Fri, Nov 24, 2006	8.59	8.68	8.47	8.56
3704	NASDAQ	OSUR	Wed, Nov 22, 2006	8.42	8.70	8.35	8.67
3703	NASDAQ	OSUR	Tue, Nov 21, 2006	8.30	8.42	8.17	8.41
3702	NASDAQ	OSUR	Mon, Nov 20, 2006	8.30	8.37	8.17	8.25
3701	NASDAQ	OSUR	Fri, Nov 17, 2006	8.17	8.29	8.10	8.27
3700	NASDAQ	OSUR	Thu, Nov 16, 2006	8.01	8.17	7.96	8.17
3699	NASDAQ	OSUR	Wed, Nov 15, 2006	8.05	8.11	8.00	8.08
3698	NASDAQ	OSUR	Tue, Nov 14, 2006	8.11	8.12	7.94	8.05
3697	NASDAQ	OSUR	Mon, Nov 13, 2006	8.03	8.18	7.96	8.11
3696	NASDAQ	OSUR	Fri, Nov 10, 2006	8.00	8.11	7.95	8.08
3695	NASDAQ	OSUR	Thu, Nov 9, 2006	8.21	8.25	7.92	8.01
3694	NASDAQ	OSUR	Wed, Nov 8, 2006	8.14	8.27	8.13	8.22
3693	NASDAQ	OSUR	Tue, Nov 7, 2006	8.12	8.28	8.11	8.17
3692	NASDAQ	OSUR	Mon, Nov 6, 2006	8.17	8.30	7.80	8.14
3691	NASDAQ	OSUR	Fri, Nov 3, 2006	8.08	8.28	8.02	8.21
3690	NASDAQ	OSUR	Thu, Nov 2, 2006	7.54	8.13	7.46	8.03
3689	NASDAQ	OSUR	Wed, Nov 1, 2006	7.73	7.80	7.27	7.44
3688	NASDAQ	OSUR	Tue, Oct 31, 2006	7.98	7.98	7.74	7.76
3687	NASDAQ	OSUR	Mon, Oct 30, 2006	7.85	8.02	7.75	7.92
3686	NASDAQ	OSUR	Fri, Oct 27, 2006	8.06	8.10	7.87	7.87
3685	NASDAQ	OSUR	Thu, Oct 26, 2006	7.97	8.05	7.90	8.03
3684	NASDAQ	OSUR	Wed, Oct 25, 2006	7.91	8.01	7.87	7.98
3683	NASDAQ	OSUR	Tue, Oct 24, 2006	8.01	8.02	7.86	7.91
3682	NASDAQ	OSUR	Mon, Oct 23, 2006	7.89	8.07	7.79	8.01
3681	NASDAQ	OSUR	Fri, Oct 20, 2006	8.04	8.04	7.82	7.89
3680	NASDAQ	OSUR	Thu, Oct 19, 2006	7.95	8.06	7.90	8.00
3679	NASDAQ	OSUR	Wed, Oct 18, 2006	7.95	8.02	7.86	7.95
3678	NASDAQ	OSUR	Tue, Oct 17, 2006	8.03	8.19	7.87	7.93
3677	NASDAQ	OSUR	Mon, Oct 16, 2006	8.01	8.16	7.97	8.11
3676	NASDAQ	OSUR	Fri, Oct 13, 2006	8.00	8.10	7.90	8.05
3675	NASDAQ	OSUR	Thu, Oct 12, 2006	7.97	8.04	7.80	8.00
3674	NASDAQ	OSUR	Wed, Oct 11, 2006	7.91	8.04	7.74	7.87
3673	NASDAQ	OSUR	Tue, Oct 10, 2006	7.96	8.01	7.65	7.95
3672	NASDAQ	OSUR	Mon, Oct 9, 2006	8.08	8.09	7.86	7.93
3671	NASDAQ	OSUR	Fri, Oct 6, 2006	8.07	8.11	7.95	8.08
3670	NASDAQ	OSUR	Thu, Oct 5, 2006	8.21	8.27	7.97	8.13
3669	NASDAQ	OSUR	Wed, Oct 4, 2006	7.70	8.29	7.65	8.12
3668	NASDAQ	OSUR	Tue, Oct 3, 2006	7.80	7.87	7.62	7.67
3667	NASDAQ	OSUR	Mon, Oct 2, 2006	8.01	8.11	7.79	7.84
3666	NASDAQ	OSUR	Fri, Sep 29, 2006	8.25	8.35	8.01	8.04
3665	NASDAQ	OSUR	Thu, Sep 28, 2006	8.19	8.29	8.02	8.24
3664	NASDAQ	OSUR	Wed, Sep 27, 2006	8.02	8.40	8.02	8.15
3663	NASDAQ	OSUR	Tue, Sep 26, 2006	8.00	8.10	7.95	8.00
3662	NASDAQ	OSUR	Mon, Sep 25, 2006	8.20	8.24	7.83	8.00
3661	NASDAQ	OSUR	Fri, Sep 22, 2006	8.44	8.44	8.07	8.19
3660	NASDAQ	OSUR	Thu, Sep 21, 2006	7.00	10.16	6.95	8.54
3659	NASDAQ	OSUR	Wed, Sep 20, 2006	7.14	7.29	6.95	7.01
3658	NASDAQ	OSUR	Tue, Sep 19, 2006	7.36	7.43	7.01	7.10
3657	NASDAQ	OSUR	Mon, Sep 18, 2006	7.24	7.74	7.22	7.39
3656	NASDAQ	OSUR	Fri, Sep 15, 2006	6.87	7.28	6.77	7.22
3655	NASDAQ	OSUR	Thu, Sep 14, 2006	6.61	6.84	6.61	6.82
3654	NASDAQ	OSUR	Wed, Sep 13, 2006	6.78	6.82	6.55	6.67
3653	NASDAQ	OSUR	Tue, Sep 12, 2006	6.61	6.80	6.55	6.76
3652	NASDAQ	OSUR	Mon, Sep 11, 2006	6.66	6.70	6.45	6.65
3651	NASDAQ	OSUR	Fri, Sep 8, 2006	6.59	6.75	6.57	6.75
3650	NASDAQ	OSUR	Thu, Sep 7, 2006	6.66	6.75	6.53	6.60
3649	NASDAQ	OSUR	Wed, Sep 6, 2006	6.90	6.93	6.69	6.70
3648	NASDAQ	OSUR	Tue, Sep 5, 2006	7.04	7.11	6.83	6.96
3647	NASDAQ	OSUR	Fri, Sep 1, 2006	6.87	7.14	6.87	6.99
3646	NASDAQ	OSUR	Thu, Aug 31, 2006	6.90	7.00	6.80	6.86
3645	NASDAQ	OSUR	Wed, Aug 30, 2006	6.69	6.91	6.69	6.84
3644	NASDAQ	OSUR	Tue, Aug 29, 2006	6.59	6.85	6.56	6.70
3643	NASDAQ	OSUR	Mon, Aug 28, 2006	6.54	6.71	6.54	6.59
3642	NASDAQ	OSUR	Fri, Aug 25, 2006	6.51	6.57	6.48	6.56
3641	NASDAQ	OSUR	Thu, Aug 24, 2006	6.41	6.53	6.40	6.50
3640	NASDAQ	OSUR	Wed, Aug 23, 2006	6.40	6.48	6.40	6.42
3639	NASDAQ	OSUR	Tue, Aug 22, 2006	6.40	6.47	6.36	6.42
3638	NASDAQ	OSUR	Mon, Aug 21, 2006	6.47	6.50	6.40	6.44
3637	NASDAQ	OSUR	Fri, Aug 18, 2006	6.54	6.54	6.40	6.47
3636	NASDAQ	OSUR	Thu, Aug 17, 2006	6.67	6.70	6.43	6.50
3635	NASDAQ	OSUR	Wed, Aug 16, 2006	6.56	6.81	6.56	6.73
3634	NASDAQ	OSUR	Tue, Aug 15, 2006	6.37	6.74	6.35	6.57
3633	NASDAQ	OSUR	Mon, Aug 14, 2006	6.34	6.58	6.29	6.53
3632	NASDAQ	OSUR	Fri, Aug 11, 2006	6.50	6.57	6.15	6.25
3631	NASDAQ	OSUR	Thu, Aug 10, 2006	6.82	6.85	6.41	6.54
3630	NASDAQ	OSUR	Wed, Aug 9, 2006	7.64	7.64	6.72	6.88
3629	NASDAQ	OSUR	Tue, Aug 8, 2006	9.19	9.35	9.00	9.00
3628	NASDAQ	OSUR	Mon, Aug 7, 2006	9.20	9.32	9.04	9.11
3627	NASDAQ	OSUR	Fri, Aug 4, 2006	9.45	9.55	9.19	9.30
3626	NASDAQ	OSUR	Thu, Aug 3, 2006	9.10	9.45	9.10	9.37
3625	NASDAQ	OSUR	Wed, Aug 2, 2006	9.17	9.35	9.15	9.15
3624	NASDAQ	OSUR	Tue, Aug 1, 2006	9.24	9.31	8.88	9.09
3623	NASDAQ	OSUR	Mon, Jul 31, 2006	9.33	9.41	9.10	9.34
3622	NASDAQ	OSUR	Fri, Jul 28, 2006	9.13	9.44	9.08	9.37
3621	NASDAQ	OSUR	Thu, Jul 27, 2006	9.24	9.33	9.00	9.07
3620	NASDAQ	OSUR	Wed, Jul 26, 2006	9.24	9.30	9.10	9.16
3619	NASDAQ	OSUR	Tue, Jul 25, 2006	9.12	9.39	9.02	9.33
3618	NASDAQ	OSUR	Mon, Jul 24, 2006	8.82	9.21	8.82	9.14
3617	NASDAQ	OSUR	Fri, Jul 21, 2006	9.04	9.05	8.69	8.72
3616	NASDAQ	OSUR	Thu, Jul 20, 2006	9.14	9.24	9.05	9.09
3615	NASDAQ	OSUR	Wed, Jul 19, 2006	8.88	9.23	8.88	9.09
3614	NASDAQ	OSUR	Tue, Jul 18, 2006	8.55	8.82	8.50	8.66
3613	NASDAQ	OSUR	Mon, Jul 17, 2006	8.51	8.71	8.28	8.50
3612	NASDAQ	OSUR	Fri, Jul 14, 2006	8.60	8.67	8.35	8.47
3611	NASDAQ	OSUR	Thu, Jul 13, 2006	8.83	8.89	8.53	8.60
3610	NASDAQ	OSUR	Wed, Jul 12, 2006	9.05	9.20	8.89	8.93
3609	NASDAQ	OSUR	Tue, Jul 11, 2006	9.16	9.18	8.88	9.09
3608	NASDAQ	OSUR	Mon, Jul 10, 2006	9.47	9.52	9.10	9.21
3607	NASDAQ	OSUR	Fri, Jul 7, 2006	9.63	9.63	9.34	9.43
3606	NASDAQ	OSUR	Thu, Jul 6, 2006	9.41	9.68	9.40	9.62
3605	NASDAQ	OSUR	Wed, Jul 5, 2006	9.47	9.50	9.34	9.40
3604	NASDAQ	OSUR	Mon, Jul 3, 2006	9.50	9.55	9.35	9.49
3603	NASDAQ	OSUR	Fri, Jun 30, 2006	9.44	9.70	9.40	9.52
3602	NASDAQ	OSUR	Thu, Jun 29, 2006	9.15	9.52	9.14	9.45
3601	NASDAQ	OSUR	Wed, Jun 28, 2006	9.12	9.45	8.93	9.12
3600	NASDAQ	OSUR	Tue, Jun 27, 2006	8.90	9.64	8.90	9.06
3599	NASDAQ	OSUR	Mon, Jun 26, 2006	8.59	8.70	8.47	8.66
3598	NASDAQ	OSUR	Fri, Jun 23, 2006	8.25	8.36	8.25	8.34
3597	NASDAQ	OSUR	Thu, Jun 22, 2006	8.12	8.35	8.12	8.31
3596	NASDAQ	OSUR	Wed, Jun 21, 2006	8.11	8.20	8.02	8.18
3595	NASDAQ	OSUR	Tue, Jun 20, 2006	8.03	8.15	7.96	8.09
3594	NASDAQ	OSUR	Mon, Jun 19, 2006	8.15	8.29	7.90	8.02
3593	NASDAQ	OSUR	Fri, Jun 16, 2006	8.17	8.30	8.10	8.13
3592	NASDAQ	OSUR	Thu, Jun 15, 2006	8.07	8.31	8.07	8.18
3591	NASDAQ	OSUR	Wed, Jun 14, 2006	8.14	8.40	7.89	8.02
3590	NASDAQ	OSUR	Tue, Jun 13, 2006	8.22	8.60	8.01	8.16
3589	NASDAQ	OSUR	Mon, Jun 12, 2006	8.44	8.53	8.23	8.24
3588	NASDAQ	OSUR	Fri, Jun 9, 2006	8.63	8.71	8.39	8.43
3587	NASDAQ	OSUR	Thu, Jun 8, 2006	8.50	8.74	8.36	8.59
3586	NASDAQ	OSUR	Wed, Jun 7, 2006	8.65	8.95	8.50	8.55
3585	NASDAQ	OSUR	Tue, Jun 6, 2006	8.72	8.73	8.50	8.61
3584	NASDAQ	OSUR	Mon, Jun 5, 2006	8.82	8.93	8.65	8.67
3583	NASDAQ	OSUR	Fri, Jun 2, 2006	8.86	9.06	8.70	8.83
3582	NASDAQ	OSUR	Thu, Jun 1, 2006	8.75	8.97	8.63	8.84
3581	NASDAQ	OSUR	Wed, May 31, 2006	8.70	8.86	8.63	8.73
3580	NASDAQ	OSUR	Tue, May 30, 2006	8.82	8.90	8.64	8.69
3579	NASDAQ	OSUR	Fri, May 26, 2006	8.73	8.87	8.57	8.83
3578	NASDAQ	OSUR	Thu, May 25, 2006	8.38	8.69	8.38	8.68
3577	NASDAQ	OSUR	Wed, May 24, 2006	8.34	8.46	8.17	8.33
3576	NASDAQ	OSUR	Tue, May 23, 2006	8.54	8.70	8.28	8.35
3575	NASDAQ	OSUR	Mon, May 22, 2006	8.78	8.85	8.31	8.48
3574	NASDAQ	OSUR	Fri, May 19, 2006	9.21	9.23	8.61	8.78
3573	NASDAQ	OSUR	Thu, May 18, 2006	9.51	9.70	9.11	9.21
3572	NASDAQ	OSUR	Wed, May 17, 2006	9.39	9.49	9.21	9.34
3571	NASDAQ	OSUR	Tue, May 16, 2006	9.37	9.47	9.11	9.41
3570	NASDAQ	OSUR	Mon, May 15, 2006	9.41	9.48	9.21	9.31
3569	NASDAQ	OSUR	Fri, May 12, 2006	9.74	9.83	9.45	9.47
3568	NASDAQ	OSUR	Thu, May 11, 2006	9.99	10.01	9.60	9.78
3567	NASDAQ	OSUR	Wed, May 10, 2006	10.00	10.06	9.85	9.95
3566	NASDAQ	OSUR	Tue, May 9, 2006	9.82	10.14	9.75	10.00
3565	NASDAQ	OSUR	Mon, May 8, 2006	10.10	10.14	9.41	9.82
3564	NASDAQ	OSUR	Fri, May 5, 2006	9.44	9.47	9.30	9.40
3563	NASDAQ	OSUR	Thu, May 4, 2006	9.29	9.38	9.10	9.33
3562	NASDAQ	OSUR	Wed, May 3, 2006	9.25	9.55	8.53	9.29
3561	NASDAQ	OSUR	Tue, May 2, 2006	10.45	10.55	10.26	10.45
3560	NASDAQ	OSUR	Mon, May 1, 2006	10.73	10.80	10.34	10.47
3559	NASDAQ	OSUR	Fri, Apr 28, 2006	10.44	10.89	10.34	10.73
3558	NASDAQ	OSUR	Thu, Apr 27, 2006	10.16	10.46	10.14	10.42
3557	NASDAQ	OSUR	Wed, Apr 26, 2006	10.15	10.33	10.05	10.21
3556	NASDAQ	OSUR	Tue, Apr 25, 2006	10.10	10.27	9.89	10.09
3555	NASDAQ	OSUR	Mon, Apr 24, 2006	10.29	10.29	10.10	10.14
3554	NASDAQ	OSUR	Fri, Apr 21, 2006	10.53	10.63	10.11	10.34
3553	NASDAQ	OSUR	Thu, Apr 20, 2006	10.51	10.65	10.25	10.54
3552	NASDAQ	OSUR	Wed, Apr 19, 2006	10.42	10.58	10.39	10.58
3551	NASDAQ	OSUR	Tue, Apr 18, 2006	10.02	10.34	10.02	10.31
3550	NASDAQ	OSUR	Mon, Apr 17, 2006	10.02	10.12	9.97	10.01
3549	NASDAQ	OSUR	Thu, Apr 13, 2006	9.79	10.02	9.61	10.00
3548	NASDAQ	OSUR	Wed, Apr 12, 2006	9.50	9.87	9.50	9.80
3547	NASDAQ	OSUR	Tue, Apr 11, 2006	9.74	9.75	9.40	9.50
3546	NASDAQ	OSUR	Mon, Apr 10, 2006	9.39	9.67	9.36	9.67
3545	NASDAQ	OSUR	Fri, Apr 7, 2006	9.54	9.57	9.37	9.41
3544	NASDAQ	OSUR	Thu, Apr 6, 2006	9.40	9.55	9.38	9.54
3543	NASDAQ	OSUR	Wed, Apr 5, 2006	9.80	9.83	9.40	9.40
3542	NASDAQ	OSUR	Tue, Apr 4, 2006	10.00	10.03	9.75	9.81
3541	NASDAQ	OSUR	Mon, Apr 3, 2006	10.30	10.30	9.95	9.98
3540	NASDAQ	OSUR	Fri, Mar 31, 2006	10.26	10.38	10.23	10.30
3539	NASDAQ	OSUR	Thu, Mar 30, 2006	10.33	10.57	10.14	10.26
3538	NASDAQ	OSUR	Wed, Mar 29, 2006	10.05	10.37	10.05	10.35
3537	NASDAQ	OSUR	Tue, Mar 28, 2006	10.26	10.35	10.05	10.06
3536	NASDAQ	OSUR	Mon, Mar 27, 2006	10.20	10.34	10.16	10.33
3535	NASDAQ	OSUR	Fri, Mar 24, 2006	10.12	10.31	10.02	10.20
3534	NASDAQ	OSUR	Thu, Mar 23, 2006	10.17	10.24	9.97	10.15
3533	NASDAQ	OSUR	Wed, Mar 22, 2006	10.14	10.25	10.02	10.23
3532	NASDAQ	OSUR	Tue, Mar 21, 2006	10.34	10.54	10.20	10.22
3531	NASDAQ	OSUR	Mon, Mar 20, 2006	10.60	10.60	10.34	10.40
3530	NASDAQ	OSUR	Fri, Mar 17, 2006	10.49	10.65	10.17	10.59
3529	NASDAQ	OSUR	Thu, Mar 16, 2006	10.51	10.81	10.32	10.44
3528	NASDAQ	OSUR	Wed, Mar 15, 2006	10.21	10.53	10.11	10.50
3527	NASDAQ	OSUR	Tue, Mar 14, 2006	10.22	10.25	10.01	10.21
3526	NASDAQ	OSUR	Mon, Mar 13, 2006	9.96	10.37	9.96	10.22
3525	NASDAQ	OSUR	Fri, Mar 10, 2006	10.23	10.43	9.89	10.00
3524	NASDAQ	OSUR	Thu, Mar 9, 2006	10.31	10.41	10.17	10.26
3523	NASDAQ	OSUR	Wed, Mar 8, 2006	10.04	10.36	10.04	10.33
3522	NASDAQ	OSUR	Tue, Mar 7, 2006	10.05	10.22	10.02	10.06
3521	NASDAQ	OSUR	Mon, Mar 6, 2006	10.18	10.32	9.93	10.05
3520	NASDAQ	OSUR	Fri, Mar 3, 2006	9.83	10.42	9.80	10.16
3519	NASDAQ	OSUR	Thu, Mar 2, 2006	9.67	9.90	9.66	9.83
3518	NASDAQ	OSUR	Wed, Mar 1, 2006	9.52	9.83	9.25	9.73
3517	NASDAQ	OSUR	Tue, Feb 28, 2006	9.79	9.80	9.43	9.52
3516	NASDAQ	OSUR	Mon, Feb 27, 2006	9.79	9.99	9.73	9.74
3515	NASDAQ	OSUR	Fri, Feb 24, 2006	9.72	9.86	9.57	9.80
3514	NASDAQ	OSUR	Thu, Feb 23, 2006	9.69	9.83	9.61	9.67
3513	NASDAQ	OSUR	Wed, Feb 22, 2006	9.94	9.94	9.68	9.81
3512	NASDAQ	OSUR	Tue, Feb 21, 2006	10.00	10.01	9.65	9.91
3511	NASDAQ	OSUR	Fri, Feb 17, 2006	10.00	10.01	9.85	9.95
3510	NASDAQ	OSUR	Thu, Feb 16, 2006	9.94	10.18	9.82	9.94
3509	NASDAQ	OSUR	Wed, Feb 15, 2006	9.57	10.00	9.43	9.91
3508	NASDAQ	OSUR	Tue, Feb 14, 2006	9.30	9.63	9.08	9.52
3507	NASDAQ	OSUR	Mon, Feb 13, 2006	9.24	9.47	9.16	9.29
3506	NASDAQ	OSUR	Fri, Feb 10, 2006	10.00	10.20	9.03	9.32
3505	NASDAQ	OSUR	Thu, Feb 9, 2006	11.00	11.26	10.90	11.01
3504	NASDAQ	OSUR	Wed, Feb 8, 2006	10.86	11.00	10.48	10.85
3503	NASDAQ	OSUR	Tue, Feb 7, 2006	10.91	11.38	10.80	10.83
3502	NASDAQ	OSUR	Mon, Feb 6, 2006	11.36	11.39	10.81	11.00
3501	NASDAQ	OSUR	Fri, Feb 3, 2006	11.50	11.55	11.06	11.32
3500	NASDAQ	OSUR	Thu, Feb 2, 2006	11.58	11.67	10.87	11.50
3499	NASDAQ	OSUR	Wed, Feb 1, 2006	10.96	11.59	10.95	11.47
3498	NASDAQ	OSUR	Tue, Jan 31, 2006	10.76	10.98	10.54	10.91
3497	NASDAQ	OSUR	Mon, Jan 30, 2006	10.86	10.97	10.67	10.71
3496	NASDAQ	OSUR	Fri, Jan 27, 2006	10.66	10.92	10.33	10.90
3495	NASDAQ	OSUR	Thu, Jan 26, 2006	10.45	10.67	10.19	10.59
3494	NASDAQ	OSUR	Wed, Jan 25, 2006	10.85	10.85	10.18	10.40
3493	NASDAQ	OSUR	Tue, Jan 24, 2006	9.80	10.75	9.80	10.65
3492	NASDAQ	OSUR	Mon, Jan 23, 2006	9.74	9.82	9.30	9.46
3491	NASDAQ	OSUR	Fri, Jan 20, 2006	10.06	10.06	9.74	9.75
3490	NASDAQ	OSUR	Thu, Jan 19, 2006	9.75	10.10	9.75	10.03
3489	NASDAQ	OSUR	Wed, Jan 18, 2006	9.74	9.94	9.64	9.75
3488	NASDAQ	OSUR	Tue, Jan 17, 2006	9.95	10.03	9.78	9.95
3487	NASDAQ	OSUR	Fri, Jan 13, 2006	10.15	10.20	9.77	10.05
3486	NASDAQ	OSUR	Thu, Jan 12, 2006	10.30	10.40	10.09	10.22
3485	NASDAQ	OSUR	Wed, Jan 11, 2006	10.39	10.69	10.21	10.35
3484	NASDAQ	OSUR	Tue, Jan 10, 2006	9.90	10.49	9.81	10.22
3483	NASDAQ	OSUR	Mon, Jan 9, 2006	9.69	9.98	9.58	9.88
3482	NASDAQ	OSUR	Fri, Jan 6, 2006	9.49	9.70	9.35	9.63
3481	NASDAQ	OSUR	Thu, Jan 5, 2006	9.46	9.70	9.35	9.60
3480	NASDAQ	OSUR	Wed, Jan 4, 2006	9.17	9.73	9.10	9.46
3479	NASDAQ	OSUR	Tue, Jan 3, 2006	8.94	9.20	8.80	9.12
3478	NASDAQ	OSUR	Fri, Dec 30, 2005	8.81	8.91	8.70	8.82
3477	NASDAQ	OSUR	Thu, Dec 29, 2005	8.95	8.98	8.78	8.85
3476	NASDAQ	OSUR	Wed, Dec 28, 2005	8.78	8.88	8.70	8.86
3475	NASDAQ	OSUR	Tue, Dec 27, 2005	9.10	9.13	8.76	8.81
3474	NASDAQ	OSUR	Fri, Dec 23, 2005	9.02	9.10	8.81	9.02
3473	NASDAQ	OSUR	Thu, Dec 22, 2005	8.71	9.13	8.70	8.97
3472	NASDAQ	OSUR	Wed, Dec 21, 2005	8.76	8.88	8.61	8.71
3471	NASDAQ	OSUR	Tue, Dec 20, 2005	7.91	8.75	7.85	8.56
3470	NASDAQ	OSUR	Mon, Dec 19, 2005	8.42	8.46	7.74	7.93
3469	NASDAQ	OSUR	Fri, Dec 16, 2005	8.90	9.08	8.34	8.46
3468	NASDAQ	OSUR	Thu, Dec 15, 2005	11.56	11.56	11.07	11.37
3467	NASDAQ	OSUR	Wed, Dec 14, 2005	11.05	11.57	10.72	11.48
3466	NASDAQ	OSUR	Tue, Dec 13, 2005	11.10	11.77	11.05	11.32
3465	NASDAQ	OSUR	Mon, Dec 12, 2005	12.39	12.55	12.12	12.26
3464	NASDAQ	OSUR	Fri, Dec 9, 2005	13.80	13.82	12.07	12.66
3463	NASDAQ	OSUR	Thu, Dec 8, 2005	13.35	13.65	13.11	13.47
3462	NASDAQ	OSUR	Wed, Dec 7, 2005	13.69	13.69	13.27	13.32
3461	NASDAQ	OSUR	Tue, Dec 6, 2005	13.96	13.99	13.56	13.60
3460	NASDAQ	OSUR	Mon, Dec 5, 2005	14.02	14.02	13.66	13.93
3459	NASDAQ	OSUR	Fri, Dec 2, 2005	13.31	13.94	13.17	13.94
3458	NASDAQ	OSUR	Thu, Dec 1, 2005	13.72	13.85	13.17	13.33
3457	NASDAQ	OSUR	Wed, Nov 30, 2005	13.97	14.14	13.56	13.56
3456	NASDAQ	OSUR	Tue, Nov 29, 2005	13.21	13.47	12.91	13.28
3455	NASDAQ	OSUR	Mon, Nov 28, 2005	12.28	12.38	11.45	11.98
3454	NASDAQ	OSUR	Fri, Nov 25, 2005	12.37	12.40	12.15	12.21
3453	NASDAQ	OSUR	Wed, Nov 23, 2005	12.25	12.50	12.12	12.31
3452	NASDAQ	OSUR	Tue, Nov 22, 2005	11.89	12.40	11.76	12.12
3451	NASDAQ	OSUR	Mon, Nov 21, 2005	11.10	11.67	11.04	11.64
3450	NASDAQ	OSUR	Fri, Nov 18, 2005	11.26	11.29	11.00	11.11
3449	NASDAQ	OSUR	Thu, Nov 17, 2005	11.01	11.18	10.97	11.18
3448	NASDAQ	OSUR	Wed, Nov 16, 2005	11.01	11.20	10.91	11.06
3447	NASDAQ	OSUR	Tue, Nov 15, 2005	11.17	11.19	10.91	11.01
3446	NASDAQ	OSUR	Mon, Nov 14, 2005	11.30	11.50	11.02	11.14
3445	NASDAQ	OSUR	Fri, Nov 11, 2005	11.00	11.34	10.90	11.33
3444	NASDAQ	OSUR	Thu, Nov 10, 2005	11.17	11.21	10.53	11.06
3443	NASDAQ	OSUR	Wed, Nov 9, 2005	11.06	11.12	10.57	10.92
3442	NASDAQ	OSUR	Tue, Nov 8, 2005	11.42	11.46	10.97	11.00
3441	NASDAQ	OSUR	Mon, Nov 7, 2005	11.18	11.42	11.00	11.27
3440	NASDAQ	OSUR	Fri, Nov 4, 2005	11.70	11.79	10.89	11.05
3439	NASDAQ	OSUR	Thu, Nov 3, 2005	11.05	11.05	10.40	10.51
3438	NASDAQ	OSUR	Wed, Nov 2, 2005	10.38	10.94	9.86	10.94
3437	NASDAQ	OSUR	Tue, Nov 1, 2005	10.96	11.00	10.33	10.42
3436	NASDAQ	OSUR	Mon, Oct 31, 2005	11.04	11.07	10.90	11.01
3435	NASDAQ	OSUR	Fri, Oct 28, 2005	10.85	11.05	10.80	11.02
3434	NASDAQ	OSUR	Thu, Oct 27, 2005	10.81	10.95	10.56	10.77
3433	NASDAQ	OSUR	Wed, Oct 26, 2005	10.47	10.70	10.42	10.55
3432	NASDAQ	OSUR	Tue, Oct 25, 2005	10.57	10.57	10.12	10.46
3431	NASDAQ	OSUR	Mon, Oct 24, 2005	10.09	10.63	10.05	10.60
3430	NASDAQ	OSUR	Fri, Oct 21, 2005	9.90	10.18	9.90	10.01
3429	NASDAQ	OSUR	Thu, Oct 20, 2005	10.04	10.04	9.90	9.98
3428	NASDAQ	OSUR	Wed, Oct 19, 2005	9.93	10.07	9.76	10.05
3427	NASDAQ	OSUR	Tue, Oct 18, 2005	9.95	10.10	9.95	9.99
3426	NASDAQ	OSUR	Mon, Oct 17, 2005	9.87	10.22	9.87	9.95
3425	NASDAQ	OSUR	Fri, Oct 14, 2005	9.82	10.00	9.67	9.93
3424	NASDAQ	OSUR	Thu, Oct 13, 2005	9.02	9.73	8.92	9.70
3423	NASDAQ	OSUR	Wed, Oct 12, 2005	9.31	9.36	8.90	8.92
3422	NASDAQ	OSUR	Tue, Oct 11, 2005	9.19	9.27	8.90	9.00
3421	NASDAQ	OSUR	Mon, Oct 10, 2005	9.33	9.40	9.12	9.16
3420	NASDAQ	OSUR	Fri, Oct 7, 2005	9.15	9.28	9.10	9.19
3419	NASDAQ	OSUR	Thu, Oct 6, 2005	9.00	9.35	8.93	9.08
3418	NASDAQ	OSUR	Wed, Oct 5, 2005	9.46	9.46	8.95	9.03
3417	NASDAQ	OSUR	Tue, Oct 4, 2005	9.48	9.65	9.45	9.47
3416	NASDAQ	OSUR	Mon, Oct 3, 2005	9.40	9.61	9.40	9.48
3415	NASDAQ	OSUR	Fri, Sep 30, 2005	9.37	9.47	9.26	9.45
3414	NASDAQ	OSUR	Thu, Sep 29, 2005	9.18	9.43	9.13	9.35
3413	NASDAQ	OSUR	Wed, Sep 28, 2005	9.20	9.25	9.14	9.20
3412	NASDAQ	OSUR	Tue, Sep 27, 2005	9.21	9.35	9.15	9.21
3411	NASDAQ	OSUR	Mon, Sep 26, 2005	9.18	9.42	9.11	9.24
3410	NASDAQ	OSUR	Fri, Sep 23, 2005	8.81	9.12	8.81	9.11
3409	NASDAQ	OSUR	Thu, Sep 22, 2005	8.73	8.96	8.66	8.87
3408	NASDAQ	OSUR	Wed, Sep 21, 2005	9.05	9.09	8.76	8.82
3407	NASDAQ	OSUR	Tue, Sep 20, 2005	9.44	9.55	9.06	9.09
3406	NASDAQ	OSUR	Mon, Sep 19, 2005	9.48	9.69	9.40	9.46
3405	NASDAQ	OSUR	Fri, Sep 16, 2005	9.24	9.42	9.19	9.41
3404	NASDAQ	OSUR	Thu, Sep 15, 2005	8.95	9.22	8.95	9.18
3403	NASDAQ	OSUR	Wed, Sep 14, 2005	9.06	9.16	8.94	8.95
3402	NASDAQ	OSUR	Tue, Sep 13, 2005	9.24	9.25	9.01	9.07
3401	NASDAQ	OSUR	Mon, Sep 12, 2005	9.33	9.34	9.18	9.23
3400	NASDAQ	OSUR	Fri, Sep 9, 2005	9.33	9.40	9.27	9.37
3399	NASDAQ	OSUR	Thu, Sep 8, 2005	9.53	9.59	9.25	9.33
3398	NASDAQ	OSUR	Wed, Sep 7, 2005	9.50	9.70	9.45	9.59
3397	NASDAQ	OSUR	Tue, Sep 6, 2005	9.50	9.70	9.41	9.59
3396	NASDAQ	OSUR	Fri, Sep 2, 2005	9.74	9.74	9.37	9.46
3395	NASDAQ	OSUR	Thu, Sep 1, 2005	9.22	9.71	9.22	9.70
3394	NASDAQ	OSUR	Wed, Aug 31, 2005	8.94	9.27	8.70	9.27
3393	NASDAQ	OSUR	Tue, Aug 30, 2005	9.00	9.12	8.99	8.99
3392	NASDAQ	OSUR	Mon, Aug 29, 2005	8.83	9.10	8.62	8.98
3391	NASDAQ	OSUR	Fri, Aug 26, 2005	8.90	8.92	8.75	8.75
3390	NASDAQ	OSUR	Thu, Aug 25, 2005	8.90	9.02	8.85	8.90
3389	NASDAQ	OSUR	Wed, Aug 24, 2005	8.91	9.07	8.83	8.88
3388	NASDAQ	OSUR	Tue, Aug 23, 2005	9.31	9.39	8.86	8.95
3387	NASDAQ	OSUR	Mon, Aug 22, 2005	9.12	9.34	9.03	9.32
3386	NASDAQ	OSUR	Fri, Aug 19, 2005	9.30	9.39	9.11	9.17
3385	NASDAQ	OSUR	Thu, Aug 18, 2005	9.40	9.43	9.20	9.27
3384	NASDAQ	OSUR	Wed, Aug 17, 2005	9.20	9.57	9.20	9.43
3383	NASDAQ	OSUR	Tue, Aug 16, 2005	9.71	9.71	9.20	9.23
3382	NASDAQ	OSUR	Mon, Aug 15, 2005	9.55	9.70	9.43	9.69
3381	NASDAQ	OSUR	Fri, Aug 12, 2005	9.69	9.78	9.40	9.55
3380	NASDAQ	OSUR	Thu, Aug 11, 2005	9.23	9.70	9.19	9.69
3379	NASDAQ	OSUR	Wed, Aug 10, 2005	9.19	9.42	9.05	9.22
3378	NASDAQ	OSUR	Tue, Aug 9, 2005	9.05	9.60	8.42	9.19
3377	NASDAQ	OSUR	Mon, Aug 8, 2005	10.97	11.02	10.76	10.95
3376	NASDAQ	OSUR	Fri, Aug 5, 2005	10.95	11.20	10.95	10.98
3375	NASDAQ	OSUR	Thu, Aug 4, 2005	11.34	11.37	10.88	11.00
3374	NASDAQ	OSUR	Wed, Aug 3, 2005	11.04	11.75	10.92	11.20
3373	NASDAQ	OSUR	Tue, Aug 2, 2005	10.26	10.41	9.91	10.00
3372	NASDAQ	OSUR	Mon, Aug 1, 2005	10.78	11.03	10.78	10.84
3371	NASDAQ	OSUR	Fri, Jul 29, 2005	10.93	11.04	10.78	10.78
3370	NASDAQ	OSUR	Thu, Jul 28, 2005	11.08	11.15	10.51	10.96
3369	NASDAQ	OSUR	Wed, Jul 27, 2005	11.28	11.29	11.01	11.19
3368	NASDAQ	OSUR	Tue, Jul 26, 2005	11.21	11.35	11.12	11.27
3367	NASDAQ	OSUR	Mon, Jul 25, 2005	11.25	11.47	11.09	11.15
3366	NASDAQ	OSUR	Fri, Jul 22, 2005	11.10	11.29	10.80	11.26
3365	NASDAQ	OSUR	Thu, Jul 21, 2005	11.50	11.50	11.07	11.10
3364	NASDAQ	OSUR	Wed, Jul 20, 2005	11.20	11.50	11.05	11.46
3363	NASDAQ	OSUR	Tue, Jul 19, 2005	11.31	11.35	11.11	11.15
3362	NASDAQ	OSUR	Mon, Jul 18, 2005	11.13	11.31	11.10	11.21
3361	NASDAQ	OSUR	Fri, Jul 15, 2005	10.85	11.25	10.80	11.13
3360	NASDAQ	OSUR	Thu, Jul 14, 2005	11.27	11.32	10.74	10.87
3359	NASDAQ	OSUR	Wed, Jul 13, 2005	11.47	11.59	11.13	11.25
3358	NASDAQ	OSUR	Tue, Jul 12, 2005	11.78	11.83	11.31	11.37
3357	NASDAQ	OSUR	Mon, Jul 11, 2005	10.69	11.11	10.67	11.11
3356	NASDAQ	OSUR	Fri, Jul 8, 2005	10.40	10.75	10.31	10.69
3355	NASDAQ	OSUR	Thu, Jul 7, 2005	10.27	10.38	10.05	10.29
3354	NASDAQ	OSUR	Wed, Jul 6, 2005	10.25	10.51	10.10	10.41
3353	NASDAQ	OSUR	Tue, Jul 5, 2005	9.88	10.24	9.87	10.24
3352	NASDAQ	OSUR	Fri, Jul 1, 2005	10.05	10.05	9.70	9.90
3351	NASDAQ	OSUR	Thu, Jun 30, 2005	9.89	10.23	9.89	9.98
3350	NASDAQ	OSUR	Wed, Jun 29, 2005	10.00	10.05	9.60	9.84
3349	NASDAQ	OSUR	Tue, Jun 28, 2005	9.82	10.08	9.78	10.02
3348	NASDAQ	OSUR	Mon, Jun 27, 2005	9.85	9.98	9.70	9.84
3347	NASDAQ	OSUR	Fri, Jun 24, 2005	9.48	9.83	9.48	9.83
3346	NASDAQ	OSUR	Thu, Jun 23, 2005	9.46	9.83	9.32	9.50
3345	NASDAQ	OSUR	Wed, Jun 22, 2005	9.23	9.45	9.23	9.39
3344	NASDAQ	OSUR	Tue, Jun 21, 2005	9.32	9.47	9.15	9.22
3343	NASDAQ	OSUR	Mon, Jun 20, 2005	9.30	9.50	9.15	9.28
3342	NASDAQ	OSUR	Fri, Jun 17, 2005	9.25	9.32	9.05	9.30
3341	NASDAQ	OSUR	Thu, Jun 16, 2005	9.29	9.29	9.05	9.20
3340	NASDAQ	OSUR	Wed, Jun 15, 2005	9.03	9.30	9.00	9.27
3339	NASDAQ	OSUR	Tue, Jun 14, 2005	9.00	9.09	8.95	9.05
3338	NASDAQ	OSUR	Mon, Jun 13, 2005	9.25	9.35	8.95	9.13
3337	NASDAQ	OSUR	Fri, Jun 10, 2005	8.80	9.37	8.77	9.20
3336	NASDAQ	OSUR	Thu, Jun 9, 2005	8.69	8.82	8.66	8.80
3335	NASDAQ	OSUR	Wed, Jun 8, 2005	8.81	8.85	8.60	8.67
3334	NASDAQ	OSUR	Tue, Jun 7, 2005	8.80	8.88	8.63	8.76
3333	NASDAQ	OSUR	Mon, Jun 6, 2005	8.51	8.88	8.41	8.83
3332	NASDAQ	OSUR	Fri, Jun 3, 2005	8.50	8.65	8.31	8.46
3331	NASDAQ	OSUR	Thu, Jun 2, 2005	8.50	8.90	8.17	8.43
3330	NASDAQ	OSUR	Wed, Jun 1, 2005	8.21	8.37	8.00	8.10
3329	NASDAQ	OSUR	Tue, May 31, 2005	8.51	8.55	8.16	8.28
3328	NASDAQ	OSUR	Fri, May 27, 2005	8.25	8.52	8.21	8.47
3327	NASDAQ	OSUR	Thu, May 26, 2005	8.30	8.35	8.15	8.20
3326	NASDAQ	OSUR	Wed, May 25, 2005	8.05	8.27	7.81	8.22
3325	NASDAQ	OSUR	Tue, May 24, 2005	8.11	8.30	8.07	8.11
3324	NASDAQ	OSUR	Mon, May 23, 2005	8.33	8.34	8.10	8.15
3323	NASDAQ	OSUR	Fri, May 20, 2005	8.49	8.59	8.39	8.41
3322	NASDAQ	OSUR	Thu, May 19, 2005	8.35	8.60	8.25	8.57
3321	NASDAQ	OSUR	Wed, May 18, 2005	8.47	8.57	8.25	8.35
3320	NASDAQ	OSUR	Tue, May 17, 2005	8.74	8.74	8.45	8.50
3319	NASDAQ	OSUR	Mon, May 16, 2005	8.41	8.72	8.41	8.65
3318	NASDAQ	OSUR	Fri, May 13, 2005	8.70	8.73	8.37	8.43
3317	NASDAQ	OSUR	Thu, May 12, 2005	8.59	8.78	8.55	8.66
3316	NASDAQ	OSUR	Wed, May 11, 2005	8.40	8.69	8.38	8.63
3315	NASDAQ	OSUR	Tue, May 10, 2005	8.42	8.43	8.25	8.38
3314	NASDAQ	OSUR	Mon, May 9, 2005	8.40	8.41	8.25	8.41
3313	NASDAQ	OSUR	Fri, May 6, 2005	8.30	8.40	8.26	8.33
3312	NASDAQ	OSUR	Thu, May 5, 2005	8.12	8.33	8.07	8.30
3311	NASDAQ	OSUR	Wed, May 4, 2005	8.53	8.60	7.90	8.08
3310	NASDAQ	OSUR	Tue, May 3, 2005	8.30	8.38	8.20	8.28
3309	NASDAQ	OSUR	Mon, May 2, 2005	7.98	8.34	7.96	8.32
3308	NASDAQ	OSUR	Fri, Apr 29, 2005	7.81	8.19	7.66	7.96
3307	NASDAQ	OSUR	Thu, Apr 28, 2005	7.99	8.03	7.80	7.83
3306	NASDAQ	OSUR	Wed, Apr 27, 2005	7.85	8.10	7.52	7.98
3305	NASDAQ	OSUR	Tue, Apr 26, 2005	7.49	7.92	7.40	7.85
3304	NASDAQ	OSUR	Mon, Apr 25, 2005	7.50	7.67	7.45	7.50
3303	NASDAQ	OSUR	Fri, Apr 22, 2005	7.69	7.74	7.34	7.54
3302	NASDAQ	OSUR	Thu, Apr 21, 2005	7.34	7.75	7.34	7.75
3301	NASDAQ	OSUR	Wed, Apr 20, 2005	7.51	7.54	7.25	7.25
3300	NASDAQ	OSUR	Tue, Apr 19, 2005	6.97	7.54	6.97	7.50
3299	NASDAQ	OSUR	Mon, Apr 18, 2005	7.10	7.35	6.91	7.05
3298	NASDAQ	OSUR	Fri, Apr 15, 2005	7.16	7.47	7.12	7.13
3297	NASDAQ	OSUR	Thu, Apr 14, 2005	7.61	7.69	7.08	7.11
3296	NASDAQ	OSUR	Wed, Apr 13, 2005	8.00	8.02	7.59	7.61
3295	NASDAQ	OSUR	Tue, Apr 12, 2005	7.97	8.04	7.65	7.96
3294	NASDAQ	OSUR	Mon, Apr 11, 2005	7.92	8.06	7.91	7.97
3293	NASDAQ	OSUR	Fri, Apr 8, 2005	8.08	8.10	7.88	7.94
3292	NASDAQ	OSUR	Thu, Apr 7, 2005	7.93	8.01	7.64	7.97
3291	NASDAQ	OSUR	Wed, Apr 6, 2005	7.54	7.92	7.50	7.87
3290	NASDAQ	OSUR	Tue, Apr 5, 2005	7.31	7.63	7.30	7.53
3289	NASDAQ	OSUR	Mon, Apr 4, 2005	7.47	7.49	7.33	7.35
3288	NASDAQ	OSUR	Fri, Apr 1, 2005	7.31	7.53	7.31	7.40
3287	NASDAQ	OSUR	Thu, Mar 31, 2005	7.26	7.40	7.20	7.36
3286	NASDAQ	OSUR	Wed, Mar 30, 2005	7.31	7.45	7.06	7.30
3285	NASDAQ	OSUR	Tue, Mar 29, 2005	7.15	7.31	7.01	7.28
3284	NASDAQ	OSUR	Mon, Mar 28, 2005	6.95	7.03	6.70	6.82
3283	NASDAQ	OSUR	Thu, Mar 24, 2005	6.93	7.09	6.88	6.99
3282	NASDAQ	OSUR	Wed, Mar 23, 2005	6.70	6.90	6.70	6.88
3281	NASDAQ	OSUR	Tue, Mar 22, 2005	6.74	6.85	6.65	6.73
3280	NASDAQ	OSUR	Mon, Mar 21, 2005	6.50	6.74	6.50	6.74
3279	NASDAQ	OSUR	Fri, Mar 18, 2005	6.45	6.62	6.40	6.52
3278	NASDAQ	OSUR	Thu, Mar 17, 2005	6.40	6.65	6.26	6.51
3277	NASDAQ	OSUR	Wed, Mar 16, 2005	6.42	6.51	6.31	6.40
3276	NASDAQ	OSUR	Tue, Mar 15, 2005	6.42	6.67	6.42	6.51
3275	NASDAQ	OSUR	Mon, Mar 14, 2005	6.39	6.50	6.32	6.42
3274	NASDAQ	OSUR	Fri, Mar 11, 2005	6.50	6.51	6.35	6.41
3273	NASDAQ	OSUR	Thu, Mar 10, 2005	6.66	6.84	6.35	6.49
3272	NASDAQ	OSUR	Wed, Mar 9, 2005	7.03	7.09	6.71	6.71
3271	NASDAQ	OSUR	Tue, Mar 8, 2005	7.00	7.12	7.00	7.03
3270	NASDAQ	OSUR	Mon, Mar 7, 2005	7.05	7.12	6.91	6.99
3269	NASDAQ	OSUR	Fri, Mar 4, 2005	7.05	7.05	6.91	7.03
3268	NASDAQ	OSUR	Thu, Mar 3, 2005	7.01	7.02	6.80	6.95
3267	NASDAQ	OSUR	Wed, Mar 2, 2005	6.99	7.07	6.91	6.99
3266	NASDAQ	OSUR	Tue, Mar 1, 2005	6.74	7.05	6.64	7.05
3265	NASDAQ	OSUR	Mon, Feb 28, 2005	6.81	6.95	6.66	6.70
3264	NASDAQ	OSUR	Fri, Feb 25, 2005	6.51	6.94	6.51	6.90
3263	NASDAQ	OSUR	Thu, Feb 24, 2005	6.45	6.59	6.28	6.55
3262	NASDAQ	OSUR	Wed, Feb 23, 2005	6.65	6.67	6.34	6.40
3261	NASDAQ	OSUR	Tue, Feb 22, 2005	6.67	6.80	6.58	6.61
3260	NASDAQ	OSUR	Fri, Feb 18, 2005	6.85	6.85	6.60	6.72
3259	NASDAQ	OSUR	Thu, Feb 17, 2005	6.96	7.04	6.77	6.80
3258	NASDAQ	OSUR	Wed, Feb 16, 2005	7.04	7.08	6.90	6.99
3257	NASDAQ	OSUR	Tue, Feb 15, 2005	7.10	7.10	6.88	7.02
3256	NASDAQ	OSUR	Mon, Feb 14, 2005	6.65	7.18	6.56	7.04
3255	NASDAQ	OSUR	Fri, Feb 11, 2005	6.34	6.65	6.19	6.51
3254	NASDAQ	OSUR	Thu, Feb 10, 2005	6.10	6.48	6.00	6.21
3253	NASDAQ	OSUR	Wed, Feb 9, 2005	5.92	5.98	5.80	5.83
3252	NASDAQ	OSUR	Tue, Feb 8, 2005	5.80	5.93	5.75	5.91
3251	NASDAQ	OSUR	Mon, Feb 7, 2005	5.95	5.97	5.79	5.81
3250	NASDAQ	OSUR	Fri, Feb 4, 2005	5.87	5.94	5.78	5.92
3249	NASDAQ	OSUR	Thu, Feb 3, 2005	5.85	5.90	5.73	5.86
3248	NASDAQ	OSUR	Wed, Feb 2, 2005	5.95	6.00	5.76	5.91
3247	NASDAQ	OSUR	Tue, Feb 1, 2005	5.72	5.99	5.71	5.99
3246	NASDAQ	OSUR	Mon, Jan 31, 2005	5.83	5.85	5.61	5.71
3245	NASDAQ	OSUR	Fri, Jan 28, 2005	5.82	5.82	5.56	5.72
3244	NASDAQ	OSUR	Thu, Jan 27, 2005	5.69	5.84	5.60	5.71
3243	NASDAQ	OSUR	Wed, Jan 26, 2005	5.65	5.69	5.51	5.66
3242	NASDAQ	OSUR	Tue, Jan 25, 2005	5.50	5.62	5.39	5.56
3241	NASDAQ	OSUR	Mon, Jan 24, 2005	5.65	5.65	5.35	5.43
3240	NASDAQ	OSUR	Fri, Jan 21, 2005	5.70	5.75	5.54	5.55
3239	NASDAQ	OSUR	Thu, Jan 20, 2005	5.76	5.84	5.54	5.66
3238	NASDAQ	OSUR	Wed, Jan 19, 2005	6.21	6.31	5.69	5.80
3237	NASDAQ	OSUR	Tue, Jan 18, 2005	6.00	6.21	6.00	6.14
3236	NASDAQ	OSUR	Fri, Jan 14, 2005	5.87	6.08	5.76	6.04
3235	NASDAQ	OSUR	Thu, Jan 13, 2005	6.10	6.10	5.70	5.80
3234	NASDAQ	OSUR	Wed, Jan 12, 2005	6.15	6.15	5.90	6.04
3233	NASDAQ	OSUR	Tue, Jan 11, 2005	5.95	6.14	5.90	6.01
3232	NASDAQ	OSUR	Mon, Jan 10, 2005	5.78	6.04	5.77	6.03
3231	NASDAQ	OSUR	Fri, Jan 7, 2005	6.22	6.27	5.78	5.85
3230	NASDAQ	OSUR	Thu, Jan 6, 2005	6.15	6.29	6.07	6.10
3229	NASDAQ	OSUR	Wed, Jan 5, 2005	6.16	6.35	6.15	6.17
3228	NASDAQ	OSUR	Tue, Jan 4, 2005	6.69	6.69	6.15	6.27
3227	NASDAQ	OSUR	Mon, Jan 3, 2005	6.72	6.88	6.56	6.60
3226	NASDAQ	OSUR	Fri, Dec 31, 2004	6.72	6.89	6.70	6.72
3225	NASDAQ	OSUR	Thu, Dec 30, 2004	6.75	6.89	6.75	6.81
3224	NASDAQ	OSUR	Wed, Dec 29, 2004	6.80	6.94	6.71	6.76
3223	NASDAQ	OSUR	Tue, Dec 28, 2004	7.00	7.00	6.74	6.91
3222	NASDAQ	OSUR	Mon, Dec 27, 2004	7.00	7.14	6.77	6.88
3221	NASDAQ	OSUR	Thu, Dec 23, 2004	7.07	7.27	6.92	7.12
3220	NASDAQ	OSUR	Wed, Dec 22, 2004	7.14	7.28	6.98	7.05
3219	NASDAQ	OSUR	Tue, Dec 21, 2004	6.77	6.84	6.57	6.67
3218	NASDAQ	OSUR	Mon, Dec 20, 2004	6.83	7.04	6.70	6.75
3217	NASDAQ	OSUR	Fri, Dec 17, 2004	6.95	7.00	6.75	6.96
3216	NASDAQ	OSUR	Thu, Dec 16, 2004	6.95	7.10	6.85	6.94
3215	NASDAQ	OSUR	Wed, Dec 15, 2004	6.95	7.10	6.95	7.04
3214	NASDAQ	OSUR	Tue, Dec 14, 2004	6.96	7.10	6.96	7.05
3213	NASDAQ	OSUR	Mon, Dec 13, 2004	6.95	7.10	6.95	7.03
3212	NASDAQ	OSUR	Fri, Dec 10, 2004	7.19	7.28	6.97	7.08
3211	NASDAQ	OSUR	Thu, Dec 9, 2004	7.00	7.18	6.90	7.10
3210	NASDAQ	OSUR	Wed, Dec 8, 2004	6.95	7.13	6.90	7.11
3209	NASDAQ	OSUR	Tue, Dec 7, 2004	7.25	7.34	6.86	6.95
3208	NASDAQ	OSUR	Mon, Dec 6, 2004	7.41	7.43	7.19	7.21
3207	NASDAQ	OSUR	Fri, Dec 3, 2004	7.21	7.49	7.21	7.42
3206	NASDAQ	OSUR	Thu, Dec 2, 2004	7.51	7.52	7.23	7.27
3205	NASDAQ	OSUR	Wed, Dec 1, 2004	7.11	7.46	7.10	7.31
3204	NASDAQ	OSUR	Tue, Nov 30, 2004	7.18	7.33	7.11	7.16
3203	NASDAQ	OSUR	Mon, Nov 29, 2004	7.06	7.22	6.88	7.20
3202	NASDAQ	OSUR	Fri, Nov 26, 2004	7.04	7.08	7.00	7.06
3201	NASDAQ	OSUR	Wed, Nov 24, 2004	7.05	7.09	6.95	7.06
3200	NASDAQ	OSUR	Tue, Nov 23, 2004	7.10	7.13	6.94	7.07
3199	NASDAQ	OSUR	Mon, Nov 22, 2004	7.10	7.20	7.02	7.18
3198	NASDAQ	OSUR	Fri, Nov 19, 2004	7.26	7.35	7.10	7.18
3197	NASDAQ	OSUR	Thu, Nov 18, 2004	7.08	7.35	7.08	7.30
3196	NASDAQ	OSUR	Wed, Nov 17, 2004	7.30	7.35	7.01	7.12
3195	NASDAQ	OSUR	Tue, Nov 16, 2004	7.26	7.44	7.17	7.19
3194	NASDAQ	OSUR	Mon, Nov 15, 2004	7.41	7.48	7.25	7.38
3193	NASDAQ	OSUR	Fri, Nov 12, 2004	7.45	7.46	7.27	7.38
3192	NASDAQ	OSUR	Thu, Nov 11, 2004	7.47	7.47	7.25	7.45
3191	NASDAQ	OSUR	Wed, Nov 10, 2004	7.23	7.40	7.22	7.24
3190	NASDAQ	OSUR	Tue, Nov 9, 2004	7.05	7.25	7.05	7.19
3189	NASDAQ	OSUR	Mon, Nov 8, 2004	7.35	7.42	7.06	7.10
3188	NASDAQ	OSUR	Fri, Nov 5, 2004	7.31	7.45	7.31	7.37
3187	NASDAQ	OSUR	Thu, Nov 4, 2004	7.30	7.47	7.25	7.37
3186	NASDAQ	OSUR	Wed, Nov 3, 2004	6.90	7.50	6.78	7.33
3185	NASDAQ	OSUR	Tue, Nov 2, 2004	7.00	7.05	6.65	6.77
3184	NASDAQ	OSUR	Mon, Nov 1, 2004	6.93	6.99	6.65	6.94
3183	NASDAQ	OSUR	Fri, Oct 29, 2004	6.75	6.77	6.70	6.75
3182	NASDAQ	OSUR	Thu, Oct 28, 2004	6.81	6.95	6.70	6.76
3181	NASDAQ	OSUR	Wed, Oct 27, 2004	6.70	6.89	6.70	6.89
3180	NASDAQ	OSUR	Tue, Oct 26, 2004	6.82	6.83	6.64	6.77
3179	NASDAQ	OSUR	Mon, Oct 25, 2004	6.90	6.90	6.71	6.82
3178	NASDAQ	OSUR	Fri, Oct 22, 2004	6.93	7.04	6.75	6.82
3177	NASDAQ	OSUR	Thu, Oct 21, 2004	7.03	7.18	6.74	6.93
3176	NASDAQ	OSUR	Wed, Oct 20, 2004	6.96	7.09	6.58	6.98
3175	NASDAQ	OSUR	Tue, Oct 19, 2004	6.95	6.95	6.30	6.40
3174	NASDAQ	OSUR	Mon, Oct 18, 2004	6.15	6.93	6.00	6.79
3173	NASDAQ	OSUR	Fri, Oct 15, 2004	5.70	5.93	5.69	5.88
3172	NASDAQ	OSUR	Thu, Oct 14, 2004	5.71	5.82	5.54	5.54
3171	NASDAQ	OSUR	Wed, Oct 13, 2004	6.05	6.05	5.70	5.71
3170	NASDAQ	OSUR	Tue, Oct 12, 2004	5.97	6.04	5.96	6.01
3169	NASDAQ	OSUR	Mon, Oct 11, 2004	5.98	6.07	5.95	6.00
3168	NASDAQ	OSUR	Fri, Oct 8, 2004	6.01	6.13	5.96	5.98
3167	NASDAQ	OSUR	Thu, Oct 7, 2004	6.13	6.13	6.06	6.06
3166	NASDAQ	OSUR	Wed, Oct 6, 2004	6.19	6.20	6.02	6.13
3165	NASDAQ	OSUR	Tue, Oct 5, 2004	6.15	6.22	6.08	6.19
3164	NASDAQ	OSUR	Mon, Oct 4, 2004	6.20	6.25	6.06	6.20
3163	NASDAQ	OSUR	Fri, Oct 1, 2004	6.40	6.40	6.17	6.22
3162	NASDAQ	OSUR	Thu, Sep 30, 2004	6.20	6.35	6.20	6.30
3161	NASDAQ	OSUR	Wed, Sep 29, 2004	6.34	6.36	6.22	6.25
3160	NASDAQ	OSUR	Tue, Sep 28, 2004	6.22	6.30	6.03	6.25
3159	NASDAQ	OSUR	Mon, Sep 27, 2004	6.33	6.46	6.20	6.20
3158	NASDAQ	OSUR	Fri, Sep 24, 2004	6.43	6.48	6.34	6.34
3157	NASDAQ	OSUR	Thu, Sep 23, 2004	6.50	6.54	6.35	6.44
3156	NASDAQ	OSUR	Wed, Sep 22, 2004	6.60	6.62	6.40	6.47
3155	NASDAQ	OSUR	Tue, Sep 21, 2004	6.56	6.70	6.54	6.62
3154	NASDAQ	OSUR	Mon, Sep 20, 2004	6.80	6.84	6.41	6.50
3153	NASDAQ	OSUR	Fri, Sep 17, 2004	6.89	7.13	6.50	6.57
3152	NASDAQ	OSUR	Thu, Sep 16, 2004	6.75	6.79	6.62	6.70
3151	NASDAQ	OSUR	Wed, Sep 15, 2004	6.57	6.67	6.50	6.62
3150	NASDAQ	OSUR	Tue, Sep 14, 2004	6.84	6.84	6.50	6.58
3149	NASDAQ	OSUR	Mon, Sep 13, 2004	6.61	6.80	6.56	6.69
3148	NASDAQ	OSUR	Fri, Sep 10, 2004	6.36	6.65	6.35	6.59
3147	NASDAQ	OSUR	Thu, Sep 9, 2004	6.28	6.46	6.15	6.45
3146	NASDAQ	OSUR	Wed, Sep 8, 2004	6.41	6.50	6.11	6.15
3145	NASDAQ	OSUR	Tue, Sep 7, 2004	6.49	6.59	6.41	6.45
3144	NASDAQ	OSUR	Fri, Sep 3, 2004	6.55	6.56	6.30	6.49
3143	NASDAQ	OSUR	Thu, Sep 2, 2004	6.40	6.45	6.32	6.45
3142	NASDAQ	OSUR	Wed, Sep 1, 2004	6.25	6.85	6.18	6.38
3141	NASDAQ	OSUR	Tue, Aug 31, 2004	6.13	6.30	6.13	6.27
3140	NASDAQ	OSUR	Mon, Aug 30, 2004	6.25	6.30	6.17	6.25
3139	NASDAQ	OSUR	Fri, Aug 27, 2004	6.34	6.37	6.20	6.25
3138	NASDAQ	OSUR	Thu, Aug 26, 2004	6.31	6.39	6.20	6.25
3137	NASDAQ	OSUR	Wed, Aug 25, 2004	6.26	6.40	6.15	6.39
3136	NASDAQ	OSUR	Tue, Aug 24, 2004	6.10	6.30	6.09	6.22
3135	NASDAQ	OSUR	Mon, Aug 23, 2004	6.45	6.45	5.92	6.07
3134	NASDAQ	OSUR	Fri, Aug 20, 2004	6.15	6.42	6.07	6.42
3133	NASDAQ	OSUR	Thu, Aug 19, 2004	6.15	6.25	6.00	6.10
3132	NASDAQ	OSUR	Wed, Aug 18, 2004	5.65	6.07	5.65	6.06
3131	NASDAQ	OSUR	Tue, Aug 17, 2004	5.50	5.74	5.38	5.66
3130	NASDAQ	OSUR	Mon, Aug 16, 2004	5.33	5.45	5.28	5.39
3129	NASDAQ	OSUR	Fri, Aug 13, 2004	5.42	5.55	5.25	5.37
3128	NASDAQ	OSUR	Thu, Aug 12, 2004	5.37	5.51	5.35	5.37
3127	NASDAQ	OSUR	Wed, Aug 11, 2004	5.45	5.65	5.38	5.46
3126	NASDAQ	OSUR	Tue, Aug 10, 2004	5.37	5.50	5.29	5.45
3125	NASDAQ	OSUR	Mon, Aug 9, 2004	5.30	5.34	5.19	5.22
3124	NASDAQ	OSUR	Fri, Aug 6, 2004	5.74	5.75	5.19	5.20
3123	NASDAQ	OSUR	Thu, Aug 5, 2004	5.98	5.99	5.50	5.55
3122	NASDAQ	OSUR	Wed, Aug 4, 2004	6.70	6.96	5.47	5.93
3121	NASDAQ	OSUR	Tue, Aug 3, 2004	7.57	7.67	7.28	7.35
3120	NASDAQ	OSUR	Mon, Aug 2, 2004	7.69	7.84	7.50	7.55
3119	NASDAQ	OSUR	Fri, Jul 30, 2004	7.26	8.00	7.25	7.75
3118	NASDAQ	OSUR	Thu, Jul 29, 2004	7.38	7.41	7.15	7.30
3117	NASDAQ	OSUR	Wed, Jul 28, 2004	7.38	7.50	7.13	7.15
3116	NASDAQ	OSUR	Tue, Jul 27, 2004	7.28	7.55	7.13	7.50
3115	NASDAQ	OSUR	Mon, Jul 26, 2004	7.44	7.54	7.12	7.13
3114	NASDAQ	OSUR	Fri, Jul 23, 2004	7.77	7.78	7.39	7.40
3113	NASDAQ	OSUR	Thu, Jul 22, 2004	7.55	7.78	7.40	7.70
3112	NASDAQ	OSUR	Wed, Jul 21, 2004	8.07	8.18	7.41	7.48
3111	NASDAQ	OSUR	Tue, Jul 20, 2004	7.83	8.05	7.71	8.04
3110	NASDAQ	OSUR	Mon, Jul 19, 2004	7.98	8.07	7.65	7.74
3109	NASDAQ	OSUR	Fri, Jul 16, 2004	8.19	8.28	7.90	7.93
3108	NASDAQ	OSUR	Thu, Jul 15, 2004	8.15	8.21	8.05	8.07
3107	NASDAQ	OSUR	Wed, Jul 14, 2004	8.18	8.47	8.12	8.16
3106	NASDAQ	OSUR	Tue, Jul 13, 2004	8.40	8.48	8.25	8.27
3105	NASDAQ	OSUR	Mon, Jul 12, 2004	8.54	8.57	8.11	8.22
3104	NASDAQ	OSUR	Fri, Jul 9, 2004	8.51	8.69	8.39	8.45
3103	NASDAQ	OSUR	Thu, Jul 8, 2004	8.34	8.80	8.26	8.43
3102	NASDAQ	OSUR	Wed, Jul 7, 2004	9.11	9.12	8.52	8.55
3101	NASDAQ	OSUR	Tue, Jul 6, 2004	9.26	9.34	9.06	9.09
3100	NASDAQ	OSUR	Fri, Jul 2, 2004	9.65	9.70	9.30	9.35
3099	NASDAQ	OSUR	Thu, Jul 1, 2004	9.62	9.73	9.51	9.57
3098	NASDAQ	OSUR	Wed, Jun 30, 2004	9.47	9.83	9.40	9.73
3097	NASDAQ	OSUR	Tue, Jun 29, 2004	9.61	9.97	9.43	9.69
3096	NASDAQ	OSUR	Mon, Jun 28, 2004	10.07	10.35	9.71	9.80
3095	NASDAQ	OSUR	Fri, Jun 25, 2004	9.50	9.70	9.20	9.49
3094	NASDAQ	OSUR	Thu, Jun 24, 2004	9.37	9.51	9.08	9.25
3093	NASDAQ	OSUR	Wed, Jun 23, 2004	9.50	10.47	9.17	9.44
3092	NASDAQ	OSUR	Tue, Jun 22, 2004	7.88	7.89	7.64	7.71
3091	NASDAQ	OSUR	Mon, Jun 21, 2004	7.80	8.09	7.71	7.72
3090	NASDAQ	OSUR	Fri, Jun 18, 2004	7.29	7.64	7.15	7.61
3089	NASDAQ	OSUR	Thu, Jun 17, 2004	7.54	7.58	7.33	7.35
3088	NASDAQ	OSUR	Wed, Jun 16, 2004	7.79	7.79	7.53	7.53
3087	NASDAQ	OSUR	Tue, Jun 15, 2004	7.97	8.03	7.72	7.79
3086	NASDAQ	OSUR	Mon, Jun 14, 2004	7.70	8.00	7.32	7.76
3085	NASDAQ	OSUR	Thu, Jun 10, 2004	7.73	7.75	7.27	7.50
3084	NASDAQ	OSUR	Wed, Jun 9, 2004	7.10	7.71	7.00	7.54
3083	NASDAQ	OSUR	Tue, Jun 8, 2004	7.21	7.28	7.00	7.07
3082	NASDAQ	OSUR	Mon, Jun 7, 2004	7.41	7.44	7.08	7.20
3081	NASDAQ	OSUR	Fri, Jun 4, 2004	7.19	7.21	7.00	7.11
3080	NASDAQ	OSUR	Thu, Jun 3, 2004	7.32	7.39	7.00	7.04
3079	NASDAQ	OSUR	Wed, Jun 2, 2004	7.16	7.37	7.10	7.36
3078	NASDAQ	OSUR	Tue, Jun 1, 2004	7.25	7.43	7.01	7.18
3077	NASDAQ	OSUR	Fri, May 28, 2004	7.50	7.55	7.23	7.39
3076	NASDAQ	OSUR	Thu, May 27, 2004	7.48	7.62	7.27	7.45
3075	NASDAQ	OSUR	Wed, May 26, 2004	7.12	7.36	7.05	7.31
3074	NASDAQ	OSUR	Tue, May 25, 2004	7.00	7.24	6.90	7.19
3073	NASDAQ	OSUR	Mon, May 24, 2004	6.99	7.10	6.85	7.00
3072	NASDAQ	OSUR	Fri, May 21, 2004	6.92	7.09	6.76	6.85
3071	NASDAQ	OSUR	Thu, May 20, 2004	6.84	7.03	6.80	6.90
3070	NASDAQ	OSUR	Wed, May 19, 2004	7.04	7.35	6.72	6.81
3069	NASDAQ	OSUR	Tue, May 18, 2004	7.00	7.18	6.85	6.91
3068	NASDAQ	OSUR	Mon, May 17, 2004	7.30	7.31	6.65	6.93
3067	NASDAQ	OSUR	Fri, May 14, 2004	7.34	7.50	7.14	7.29
3066	NASDAQ	OSUR	Thu, May 13, 2004	7.68	7.84	7.36	7.38
3065	NASDAQ	OSUR	Wed, May 12, 2004	7.87	7.93	7.30	7.92
3064	NASDAQ	OSUR	Tue, May 11, 2004	7.42	7.85	7.42	7.65
3063	NASDAQ	OSUR	Mon, May 10, 2004	7.39	7.60	7.20	7.26
3062	NASDAQ	OSUR	Fri, May 7, 2004	8.10	8.40	7.73	7.84
3061	NASDAQ	OSUR	Thu, May 6, 2004	8.11	8.48	8.09	8.20
3060	NASDAQ	OSUR	Wed, May 5, 2004	8.06	8.40	8.06	8.24
3059	NASDAQ	OSUR	Tue, May 4, 2004	8.50	8.50	8.02	8.30
3058	NASDAQ	OSUR	Mon, May 3, 2004	8.44	8.81	8.32	8.46
3057	NASDAQ	OSUR	Fri, Apr 30, 2004	8.71	8.87	8.39	8.39
3056	NASDAQ	OSUR	Thu, Apr 29, 2004	9.59	9.59	8.65	8.93
3055	NASDAQ	OSUR	Wed, Apr 28, 2004	9.65	9.80	9.11	9.50
3054	NASDAQ	OSUR	Tue, Apr 27, 2004	9.97	10.26	9.92	10.24
3053	NASDAQ	OSUR	Mon, Apr 26, 2004	9.95	10.25	9.83	9.92
3052	NASDAQ	OSUR	Fri, Apr 23, 2004	9.88	9.95	9.65	9.65
3051	NASDAQ	OSUR	Thu, Apr 22, 2004	9.51	9.84	9.50	9.84
3050	NASDAQ	OSUR	Wed, Apr 21, 2004	9.37	9.75	9.32	9.60
3049	NASDAQ	OSUR	Tue, Apr 20, 2004	9.86	10.00	9.34	9.34
3048	NASDAQ	OSUR	Mon, Apr 19, 2004	9.70	9.74	9.36	9.70
3047	NASDAQ	OSUR	Fri, Apr 16, 2004	9.25	9.73	9.12	9.37
3046	NASDAQ	OSUR	Thu, Apr 15, 2004	9.41	9.58	9.15	9.22
3045	NASDAQ	OSUR	Wed, Apr 14, 2004	9.26	9.65	9.08	9.41
3044	NASDAQ	OSUR	Tue, Apr 13, 2004	9.82	9.90	9.25	9.25
3043	NASDAQ	OSUR	Mon, Apr 12, 2004	9.90	9.90	9.55	9.69
3042	NASDAQ	OSUR	Thu, Apr 8, 2004	9.72	9.82	9.55	9.56
3041	NASDAQ	OSUR	Wed, Apr 7, 2004	10.17	10.21	9.35	9.68
3040	NASDAQ	OSUR	Tue, Apr 6, 2004	10.17	10.35	10.10	10.10
3039	NASDAQ	OSUR	Mon, Apr 5, 2004	10.10	10.48	10.10	10.28
3038	NASDAQ	OSUR	Fri, Apr 2, 2004	10.49	10.49	10.12	10.25
3037	NASDAQ	OSUR	Thu, Apr 1, 2004	10.58	10.63	10.15	10.20
3036	NASDAQ	OSUR	Wed, Mar 31, 2004	10.29	10.70	10.10	10.39
3035	NASDAQ	OSUR	Tue, Mar 30, 2004	10.29	10.35	10.00	10.14
3034	NASDAQ	OSUR	Mon, Mar 29, 2004	11.98	12.00	10.26	10.50
3033	NASDAQ	OSUR	Fri, Mar 26, 2004	8.18	10.14	8.12	9.70
3032	NASDAQ	OSUR	Thu, Mar 25, 2004	8.15	8.27	7.89	8.15
3031	NASDAQ	OSUR	Wed, Mar 24, 2004	8.13	8.22	7.88	7.99
3030	NASDAQ	OSUR	Tue, Mar 23, 2004	8.20	8.44	7.84	8.08
3029	NASDAQ	OSUR	Mon, Mar 22, 2004	8.05	8.06	7.74	7.80
3028	NASDAQ	OSUR	Fri, Mar 19, 2004	8.06	8.15	7.80	7.93
3027	NASDAQ	OSUR	Thu, Mar 18, 2004	7.86	7.90	7.69	7.85
3026	NASDAQ	OSUR	Wed, Mar 17, 2004	7.49	8.08	7.47	7.85
3025	NASDAQ	OSUR	Tue, Mar 16, 2004	7.60	7.65	7.28	7.46
3024	NASDAQ	OSUR	Mon, Mar 15, 2004	8.03	8.08	7.20	7.24
3023	NASDAQ	OSUR	Fri, Mar 12, 2004	7.64	8.08	7.55	7.94
3022	NASDAQ	OSUR	Thu, Mar 11, 2004	8.06	8.34	7.69	7.73
3021	NASDAQ	OSUR	Wed, Mar 10, 2004	8.61	8.67	8.05	8.09
3020	NASDAQ	OSUR	Tue, Mar 9, 2004	8.54	8.59	8.40	8.45
3019	NASDAQ	OSUR	Mon, Mar 8, 2004	9.10	9.16	8.49	8.53
3018	NASDAQ	OSUR	Fri, Mar 5, 2004	8.82	9.03	8.80	8.98
3017	NASDAQ	OSUR	Thu, Mar 4, 2004	9.00	9.50	8.80	9.00
3016	NASDAQ	OSUR	Wed, Mar 3, 2004	8.73	8.90	8.55	8.80
3015	NASDAQ	OSUR	Tue, Mar 2, 2004	8.77	8.84	8.57	8.74
3014	NASDAQ	OSUR	Mon, Mar 1, 2004	8.88	8.88	8.70	8.75
3013	NASDAQ	OSUR	Fri, Feb 27, 2004	8.79	8.86	8.65	8.76
3012	NASDAQ	OSUR	Thu, Feb 26, 2004	8.65	8.83	8.52	8.78
3011	NASDAQ	OSUR	Wed, Feb 25, 2004	8.42	8.69	8.40	8.60
3010	NASDAQ	OSUR	Tue, Feb 24, 2004	8.66	8.90	8.30	8.46
3009	NASDAQ	OSUR	Mon, Feb 23, 2004	8.42	8.74	8.42	8.50
3008	NASDAQ	OSUR	Fri, Feb 20, 2004	8.60	8.85	8.19	8.78
3007	NASDAQ	OSUR	Thu, Feb 19, 2004	8.84	8.90	8.61	8.67
3006	NASDAQ	OSUR	Wed, Feb 18, 2004	8.76	8.99	8.65	8.81
3005	NASDAQ	OSUR	Tue, Feb 17, 2004	8.66	8.80	8.61	8.80
3004	NASDAQ	OSUR	Fri, Feb 13, 2004	8.74	8.75	8.53	8.62
3003	NASDAQ	OSUR	Thu, Feb 12, 2004	8.94	8.95	8.52	8.70
3002	NASDAQ	OSUR	Wed, Feb 11, 2004	9.00	9.16	8.83	8.85
3001	NASDAQ	OSUR	Tue, Feb 10, 2004	9.31	9.38	8.76	8.77
3000	NASDAQ	OSUR	Mon, Feb 9, 2004	8.72	9.15	8.72	9.07
2999	NASDAQ	OSUR	Fri, Feb 6, 2004	8.63	9.00	8.63	8.64
2998	NASDAQ	OSUR	Thu, Feb 5, 2004	9.00	9.00	8.60	8.73
2997	NASDAQ	OSUR	Wed, Feb 4, 2004	9.10	9.10	8.90	8.98
2996	NASDAQ	OSUR	Tue, Feb 3, 2004	9.10	9.17	8.90	9.10
2995	NASDAQ	OSUR	Mon, Feb 2, 2004	9.25	9.38	9.10	9.15
2994	NASDAQ	OSUR	Fri, Jan 30, 2004	9.35	9.87	9.20	9.30
2993	NASDAQ	OSUR	Thu, Jan 29, 2004	9.33	9.45	9.12	9.35
2992	NASDAQ	OSUR	Wed, Jan 28, 2004	9.53	9.63	9.12	9.20
2991	NASDAQ	OSUR	Tue, Jan 27, 2004	9.84	9.89	9.35	9.43
2990	NASDAQ	OSUR	Mon, Jan 26, 2004	9.71	9.96	9.32	9.67
2989	NASDAQ	OSUR	Fri, Jan 23, 2004	8.57	9.52	8.51	9.46
2988	NASDAQ	OSUR	Thu, Jan 22, 2004	8.92	9.07	8.51	8.75
2987	NASDAQ	OSUR	Wed, Jan 21, 2004	8.16	9.12	8.04	8.90
2986	NASDAQ	OSUR	Tue, Jan 20, 2004	8.03	8.20	7.90	8.15
2985	NASDAQ	OSUR	Fri, Jan 16, 2004	8.19	8.25	7.90	7.90
2984	NASDAQ	OSUR	Thu, Jan 15, 2004	8.16	8.41	8.10	8.19
2983	NASDAQ	OSUR	Wed, Jan 14, 2004	8.37	8.39	8.01	8.16
2982	NASDAQ	OSUR	Tue, Jan 13, 2004	8.35	8.39	8.09	8.32
2981	NASDAQ	OSUR	Mon, Jan 12, 2004	8.29	8.38	8.05	8.36
2980	NASDAQ	OSUR	Fri, Jan 9, 2004	7.93	8.32	7.86	8.29
2979	NASDAQ	OSUR	Thu, Jan 8, 2004	8.06	8.06	7.86	8.00
2978	NASDAQ	OSUR	Wed, Jan 7, 2004	8.05	8.10	7.91	7.94
2977	NASDAQ	OSUR	Tue, Jan 6, 2004	7.96	8.11	7.95	8.05
2976	NASDAQ	OSUR	Mon, Jan 5, 2004	8.01	8.05	7.91	8.02
2975	NASDAQ	OSUR	Fri, Jan 2, 2004	7.95	8.08	7.89	7.92
2974	NASDAQ	OSUR	Wed, Dec 31, 2003	8.07	8.10	7.96	7.96
2973	NASDAQ	OSUR	Tue, Dec 30, 2003	7.92	8.28	7.92	8.05
2972	NASDAQ	OSUR	Mon, Dec 29, 2003	8.19	8.32	7.79	8.25
2971	NASDAQ	OSUR	Fri, Dec 26, 2003	8.43	8.68	8.40	8.64
2970	NASDAQ	OSUR	Wed, Dec 24, 2003	8.28	8.55	8.22	8.50
2969	NASDAQ	OSUR	Tue, Dec 23, 2003	8.06	8.42	8.04	8.35
2968	NASDAQ	OSUR	Mon, Dec 22, 2003	8.10	8.31	8.05	8.25
2967	NASDAQ	OSUR	Fri, Dec 19, 2003	8.24	8.35	7.94	8.21
2966	NASDAQ	OSUR	Thu, Dec 18, 2003	8.14	8.34	7.90	8.29
2965	NASDAQ	OSUR	Wed, Dec 17, 2003	8.14	8.18	7.88	8.12
2964	NASDAQ	OSUR	Tue, Dec 16, 2003	8.01	8.22	7.72	8.06
2963	NASDAQ	OSUR	Mon, Dec 15, 2003	8.49	8.58	7.99	8.00
2962	NASDAQ	OSUR	Fri, Dec 12, 2003	8.40	8.60	8.09	8.41
2961	NASDAQ	OSUR	Thu, Dec 11, 2003	8.05	8.40	7.96	8.34
2960	NASDAQ	OSUR	Wed, Dec 10, 2003	8.00	8.34	7.78	7.93
2959	NASDAQ	OSUR	Tue, Dec 9, 2003	8.58	8.58	8.10	8.19
2958	NASDAQ	OSUR	Mon, Dec 8, 2003	8.49	8.61	8.36	8.53
2957	NASDAQ	OSUR	Fri, Dec 5, 2003	8.75	8.75	8.35	8.38
2956	NASDAQ	OSUR	Thu, Dec 4, 2003	8.25	8.88	8.18	8.71
2955	NASDAQ	OSUR	Wed, Dec 3, 2003	8.64	8.80	8.19	8.30
2954	NASDAQ	OSUR	Tue, Dec 2, 2003	8.42	8.67	8.28	8.55
2953	NASDAQ	OSUR	Mon, Dec 1, 2003	8.50	8.61	8.25	8.42
2952	NASDAQ	OSUR	Fri, Nov 28, 2003	8.28	8.60	8.28	8.32
2951	NASDAQ	OSUR	Wed, Nov 26, 2003	8.38	8.60	8.22	8.40
2950	NASDAQ	OSUR	Tue, Nov 25, 2003	8.25	8.55	8.24	8.37
2949	NASDAQ	OSUR	Mon, Nov 24, 2003	7.80	8.35	7.75	8.19
2948	NASDAQ	OSUR	Fri, Nov 21, 2003	7.75	7.99	7.55	7.82
2947	NASDAQ	OSUR	Thu, Nov 20, 2003	7.92	8.03	7.70	7.80
2946	NASDAQ	OSUR	Wed, Nov 19, 2003	7.78	8.03	7.77	7.98
2945	NASDAQ	OSUR	Tue, Nov 18, 2003	8.16	8.20	7.78	7.88
2944	NASDAQ	OSUR	Mon, Nov 17, 2003	8.13	8.44	7.80	8.13
2943	NASDAQ	OSUR	Fri, Nov 14, 2003	8.20	8.41	7.95	8.23
2942	NASDAQ	OSUR	Thu, Nov 13, 2003	8.59	8.59	7.92	8.12
2941	NASDAQ	OSUR	Wed, Nov 12, 2003	8.30	8.62	8.30	8.58
2940	NASDAQ	OSUR	Tue, Nov 11, 2003	8.84	8.84	8.25	8.45
2939	NASDAQ	OSUR	Mon, Nov 10, 2003	9.00	9.00	8.64	8.78
2938	NASDAQ	OSUR	Fri, Nov 7, 2003	9.40	9.41	8.76	8.95
2937	NASDAQ	OSUR	Thu, Nov 6, 2003	8.91	9.00	8.58	8.93
2936	NASDAQ	OSUR	Wed, Nov 5, 2003	8.53	8.97	8.38	8.90
2935	NASDAQ	OSUR	Tue, Nov 4, 2003	8.30	8.55	8.14	8.52
2934	NASDAQ	OSUR	Mon, Nov 3, 2003	8.43	8.64	8.11	8.44
2933	NASDAQ	OSUR	Fri, Oct 31, 2003	8.19	8.42	8.07	8.41
2932	NASDAQ	OSUR	Thu, Oct 30, 2003	8.56	8.58	8.20	8.35
2931	NASDAQ	OSUR	Wed, Oct 29, 2003	9.06	9.15	8.16	8.25
2930	NASDAQ	OSUR	Tue, Oct 28, 2003	8.70	9.48	8.70	9.40
2929	NASDAQ	OSUR	Mon, Oct 27, 2003	8.71	9.05	8.65	8.90
2928	NASDAQ	OSUR	Fri, Oct 24, 2003	8.95	9.00	8.43	8.63
2927	NASDAQ	OSUR	Thu, Oct 23, 2003	9.23	9.49	9.04	9.12
2926	NASDAQ	OSUR	Wed, Oct 22, 2003	9.61	9.71	9.30	9.34
2925	NASDAQ	OSUR	Tue, Oct 21, 2003	9.28	9.73	9.20	9.63
2924	NASDAQ	OSUR	Mon, Oct 20, 2003	9.26	9.53	9.03	9.29
2923	NASDAQ	OSUR	Fri, Oct 17, 2003	9.55	9.75	9.26	9.26
2922	NASDAQ	OSUR	Thu, Oct 16, 2003	9.62	9.76	9.50	9.58
2921	NASDAQ	OSUR	Wed, Oct 15, 2003	9.99	10.00	9.52	9.60
2920	NASDAQ	OSUR	Tue, Oct 14, 2003	10.08	10.12	9.82	9.96
2919	NASDAQ	OSUR	Mon, Oct 13, 2003	9.89	10.30	9.70	9.90
2918	NASDAQ	OSUR	Fri, Oct 10, 2003	10.12	10.27	9.75	9.87
2917	NASDAQ	OSUR	Thu, Oct 9, 2003	10.10	10.21	10.08	10.14
2916	NASDAQ	OSUR	Wed, Oct 8, 2003	10.04	10.20	10.00	10.12
2915	NASDAQ	OSUR	Tue, Oct 7, 2003	9.20	10.08	9.20	10.04
2914	NASDAQ	OSUR	Mon, Oct 6, 2003	9.99	10.15	9.90	10.05
2913	NASDAQ	OSUR	Fri, Oct 3, 2003	9.70	10.08	9.65	10.00
2912	NASDAQ	OSUR	Thu, Oct 2, 2003	9.31	9.80	9.23	9.58
2911	NASDAQ	OSUR	Wed, Oct 1, 2003	9.56	9.77	9.40	9.49
2910	NASDAQ	OSUR	Tue, Sep 30, 2003	10.00	10.00	9.36	9.49
2909	NASDAQ	OSUR	Mon, Sep 29, 2003	9.81	10.24	9.52	9.96
2908	NASDAQ	OSUR	Fri, Sep 26, 2003	10.16	10.20	9.37	9.50
2907	NASDAQ	OSUR	Thu, Sep 25, 2003	10.45	10.70	10.05	10.07
2906	NASDAQ	OSUR	Wed, Sep 24, 2003	10.60	10.92	10.40	10.45
2905	NASDAQ	OSUR	Tue, Sep 23, 2003	10.52	10.89	10.48	10.79
2904	NASDAQ	OSUR	Mon, Sep 22, 2003	10.45	10.59	10.34	10.51
2903	NASDAQ	OSUR	Fri, Sep 19, 2003	10.30	10.49	10.30	10.45
2902	NASDAQ	OSUR	Thu, Sep 18, 2003	10.40	10.44	10.25	10.35
2901	NASDAQ	OSUR	Wed, Sep 17, 2003	10.06	10.38	10.05	10.30
2900	NASDAQ	OSUR	Tue, Sep 16, 2003	10.00	10.35	9.90	10.09
2899	NASDAQ	OSUR	Mon, Sep 15, 2003	9.90	10.24	9.75	10.01
2898	NASDAQ	OSUR	Fri, Sep 12, 2003	9.68	9.88	9.41	9.75
2897	NASDAQ	OSUR	Thu, Sep 11, 2003	9.50	9.68	9.25	9.57
2896	NASDAQ	OSUR	Wed, Sep 10, 2003	9.77	9.80	9.25	9.29
2895	NASDAQ	OSUR	Tue, Sep 9, 2003	10.25	10.49	9.80	9.96
2894	NASDAQ	OSUR	Mon, Sep 8, 2003	9.11	9.51	9.11	9.37
2893	NASDAQ	OSUR	Fri, Sep 5, 2003	9.31	9.59	9.11	9.22
2892	NASDAQ	OSUR	Thu, Sep 4, 2003	9.35	9.54	9.30	9.40
2891	NASDAQ	OSUR	Wed, Sep 3, 2003	9.29	9.65	9.29	9.62
2890	NASDAQ	OSUR	Tue, Sep 2, 2003	9.00	9.49	8.94	9.42
2889	NASDAQ	OSUR	Fri, Aug 29, 2003	9.00	9.00	8.90	9.00
2888	NASDAQ	OSUR	Thu, Aug 28, 2003	8.53	9.00	8.53	9.00
2887	NASDAQ	OSUR	Wed, Aug 27, 2003	8.82	8.82	8.51	8.73
2886	NASDAQ	OSUR	Tue, Aug 26, 2003	8.92	8.92	8.65	8.84
2885	NASDAQ	OSUR	Mon, Aug 25, 2003	8.89	8.91	8.65	8.90
2884	NASDAQ	OSUR	Fri, Aug 22, 2003	8.89	9.15	8.80	8.90
2883	NASDAQ	OSUR	Thu, Aug 21, 2003	8.97	9.14	8.80	8.94
2882	NASDAQ	OSUR	Wed, Aug 20, 2003	9.17	9.20	8.74	8.81
2881	NASDAQ	OSUR	Tue, Aug 19, 2003	9.00	9.16	8.65	9.15
2880	NASDAQ	OSUR	Mon, Aug 18, 2003	8.21	9.00	8.21	8.98
2879	NASDAQ	OSUR	Fri, Aug 15, 2003	8.33	8.55	8.11	8.55
2878	NASDAQ	OSUR	Thu, Aug 14, 2003	8.34	8.35	8.20	8.34
2877	NASDAQ	OSUR	Wed, Aug 13, 2003	8.35	8.35	8.10	8.19
2876	NASDAQ	OSUR	Tue, Aug 12, 2003	8.06	8.35	7.91	8.35
2875	NASDAQ	OSUR	Mon, Aug 11, 2003	7.92	8.09	7.85	8.05
2874	NASDAQ	OSUR	Fri, Aug 8, 2003	8.00	8.07	7.75	8.01
2873	NASDAQ	OSUR	Thu, Aug 7, 2003	7.90	8.05	7.76	7.94
2872	NASDAQ	OSUR	Wed, Aug 6, 2003	8.00	8.11	7.84	7.95
2871	NASDAQ	OSUR	Tue, Aug 5, 2003	8.25	8.25	7.86	8.01
2870	NASDAQ	OSUR	Mon, Aug 4, 2003	8.29	8.30	7.58	8.25
2869	NASDAQ	OSUR	Fri, Aug 1, 2003	8.55	8.55	8.15	8.24
2868	NASDAQ	OSUR	Thu, Jul 31, 2003	8.25	8.60	8.11	8.55
2867	NASDAQ	OSUR	Wed, Jul 30, 2003	8.85	8.85	8.00	8.16
2866	NASDAQ	OSUR	Tue, Jul 29, 2003	8.39	8.72	8.22	8.50
2865	NASDAQ	OSUR	Mon, Jul 28, 2003	8.15	8.38	7.95	8.36
2864	NASDAQ	OSUR	Fri, Jul 25, 2003	8.04	8.20	7.80	8.15
2863	NASDAQ	OSUR	Thu, Jul 24, 2003	8.10	8.31	8.06	8.06
2862	NASDAQ	OSUR	Wed, Jul 23, 2003	8.14	8.21	7.93	8.21
2861	NASDAQ	OSUR	Tue, Jul 22, 2003	8.10	8.21	7.90	8.15
2860	NASDAQ	OSUR	Mon, Jul 21, 2003	8.15	8.22	7.92	8.10
2859	NASDAQ	OSUR	Fri, Jul 18, 2003	8.56	8.56	7.94	8.10
2858	NASDAQ	OSUR	Thu, Jul 17, 2003	8.50	8.70	8.41	8.56
2857	NASDAQ	OSUR	Wed, Jul 16, 2003	8.38	8.68	8.35	8.56
2856	NASDAQ	OSUR	Tue, Jul 15, 2003	8.35	8.64	8.25	8.55
2855	NASDAQ	OSUR	Mon, Jul 14, 2003	8.40	8.73	8.18	8.42
2854	NASDAQ	OSUR	Fri, Jul 11, 2003	7.90	8.40	7.90	8.38
2853	NASDAQ	OSUR	Thu, Jul 10, 2003	7.99	8.05	7.79	7.93
2852	NASDAQ	OSUR	Wed, Jul 9, 2003	7.85	8.10	7.57	8.01
2851	NASDAQ	OSUR	Tue, Jul 8, 2003	7.55	7.77	7.51	7.70
2850	NASDAQ	OSUR	Mon, Jul 7, 2003	7.82	7.87	7.55	7.64
2849	NASDAQ	OSUR	Thu, Jul 3, 2003	7.69	7.78	7.62	7.78
2848	NASDAQ	OSUR	Wed, Jul 2, 2003	7.55	7.84	7.37	7.69
2847	NASDAQ	OSUR	Tue, Jul 1, 2003	7.50	7.81	7.36	7.45
2846	NASDAQ	OSUR	Mon, Jun 30, 2003	7.83	8.03	7.28	7.64
2845	NASDAQ	OSUR	Fri, Jun 27, 2003	7.86	8.00	7.66	7.77
2844	NASDAQ	OSUR	Thu, Jun 26, 2003	8.15	8.29	7.70	7.79
2843	NASDAQ	OSUR	Wed, Jun 25, 2003	7.79	8.15	7.73	8.13
2842	NASDAQ	OSUR	Tue, Jun 24, 2003	7.14	7.70	7.01	7.68
2841	NASDAQ	OSUR	Mon, Jun 23, 2003	7.35	7.42	7.01	7.05
2840	NASDAQ	OSUR	Fri, Jun 20, 2003	7.25	7.55	7.20	7.29
2839	NASDAQ	OSUR	Thu, Jun 19, 2003	6.91	7.09	6.51	6.70
2838	NASDAQ	OSUR	Wed, Jun 18, 2003	7.20	7.20	6.90	6.99
2837	NASDAQ	OSUR	Tue, Jun 17, 2003	6.92	7.25	6.82	7.08
2836	NASDAQ	OSUR	Mon, Jun 16, 2003	7.20	7.25	7.01	7.05
2835	NASDAQ	OSUR	Fri, Jun 13, 2003	7.01	7.21	6.73	7.16
2834	NASDAQ	OSUR	Thu, Jun 12, 2003	6.99	7.16	6.68	6.95
2833	NASDAQ	OSUR	Wed, Jun 11, 2003	7.00	7.14	6.71	6.97
2832	NASDAQ	OSUR	Tue, Jun 10, 2003	7.00	7.15	6.80	7.00
2831	NASDAQ	OSUR	Mon, Jun 9, 2003	7.08	7.30	6.95	6.98
2830	NASDAQ	OSUR	Fri, Jun 6, 2003	7.19	7.30	7.08	7.09
2829	NASDAQ	OSUR	Thu, Jun 5, 2003	7.10	7.33	7.08	7.18
2828	NASDAQ	OSUR	Wed, Jun 4, 2003	7.08	7.19	7.05	7.15
2827	NASDAQ	OSUR	Tue, Jun 3, 2003	7.16	7.18	6.95	7.13
2826	NASDAQ	OSUR	Mon, Jun 2, 2003	7.40	7.50	7.12	7.16
2825	NASDAQ	OSUR	Fri, May 30, 2003	7.33	7.55	7.21	7.39
2824	NASDAQ	OSUR	Thu, May 29, 2003	6.88	7.45	6.87	7.44
2823	NASDAQ	OSUR	Wed, May 28, 2003	6.90	6.93	6.67	6.77
2822	NASDAQ	OSUR	Tue, May 27, 2003	6.65	6.95	6.53	6.76
2821	NASDAQ	OSUR	Fri, May 23, 2003	6.51	6.73	6.41	6.73
2820	NASDAQ	OSUR	Thu, May 22, 2003	6.48	6.74	6.42	6.62
2819	NASDAQ	OSUR	Wed, May 21, 2003	6.79	6.80	6.41	6.42
2818	NASDAQ	OSUR	Tue, May 20, 2003	6.91	6.98	6.45	6.79
2817	NASDAQ	OSUR	Mon, May 19, 2003	6.94	7.03	6.74	6.85
2816	NASDAQ	OSUR	Fri, May 16, 2003	6.75	6.94	6.64	6.79
2815	NASDAQ	OSUR	Thu, May 15, 2003	6.78	6.98	6.60	6.75
2814	NASDAQ	OSUR	Wed, May 14, 2003	6.41	6.65	6.40	6.60
2813	NASDAQ	OSUR	Tue, May 13, 2003	6.42	6.61	6.25	6.38
2812	NASDAQ	OSUR	Mon, May 12, 2003	6.26	6.49	6.10	6.36
2811	NASDAQ	OSUR	Fri, May 9, 2003	6.15	6.26	6.10	6.23
2810	NASDAQ	OSUR	Thu, May 8, 2003	6.33	6.39	6.12	6.13
2809	NASDAQ	OSUR	Wed, May 7, 2003	6.55	6.69	6.31	6.54
2808	NASDAQ	OSUR	Tue, May 6, 2003	6.40	6.75	6.35	6.55
2807	NASDAQ	OSUR	Mon, May 5, 2003	6.12	6.39	6.12	6.39
2806	NASDAQ	OSUR	Fri, May 2, 2003	6.16	6.42	6.10	6.15
2805	NASDAQ	OSUR	Thu, May 1, 2003	6.57	6.58	6.12	6.21
2804	NASDAQ	OSUR	Wed, Apr 30, 2003	6.75	6.85	6.39	6.40
2803	NASDAQ	OSUR	Tue, Apr 29, 2003	6.85	6.95	6.59	6.72
2802	NASDAQ	OSUR	Mon, Apr 28, 2003	7.00	7.10	6.15	6.80
2801	NASDAQ	OSUR	Fri, Apr 25, 2003	7.09	7.20	7.00	7.01
2800	NASDAQ	OSUR	Thu, Apr 24, 2003	7.02	7.35	6.99	7.20
2799	NASDAQ	OSUR	Wed, Apr 23, 2003	6.69	7.20	6.69	7.10
2798	NASDAQ	OSUR	Tue, Apr 22, 2003	6.80	6.88	6.62	6.80
2797	NASDAQ	OSUR	Mon, Apr 21, 2003	6.49	6.85	6.37	6.80
2796	NASDAQ	OSUR	Thu, Apr 17, 2003	6.80	6.84	6.25	6.30
2795	NASDAQ	OSUR	Wed, Apr 16, 2003	5.95	6.53	5.94	6.53
2794	NASDAQ	OSUR	Tue, Apr 15, 2003	5.50	5.93	5.50	5.85
2793	NASDAQ	OSUR	Mon, Apr 14, 2003	5.70	5.95	5.47	5.90
2792	NASDAQ	OSUR	Fri, Apr 11, 2003	6.00	6.08	5.65	5.65
2791	NASDAQ	OSUR	Thu, Apr 10, 2003	5.85	6.03	5.85	6.00
2790	NASDAQ	OSUR	Wed, Apr 9, 2003	6.06	6.24	5.60	5.90
2789	NASDAQ	OSUR	Tue, Apr 8, 2003	6.07	6.11	6.00	6.05
2788	NASDAQ	OSUR	Mon, Apr 7, 2003	6.10	6.25	5.95	6.13
2787	NASDAQ	OSUR	Fri, Apr 4, 2003	6.10	6.10	5.92	5.98
2786	NASDAQ	OSUR	Thu, Apr 3, 2003	6.05	6.18	6.00	6.07
2785	NASDAQ	OSUR	Wed, Apr 2, 2003	5.96	6.16	5.92	6.10
2784	NASDAQ	OSUR	Tue, Apr 1, 2003	5.77	5.97	5.77	5.92
2783	NASDAQ	OSUR	Mon, Mar 31, 2003	6.00	6.04	5.75	5.84
2782	NASDAQ	OSUR	Fri, Mar 28, 2003	6.20	6.35	6.00	6.03
2781	NASDAQ	OSUR	Thu, Mar 27, 2003	6.43	6.49	6.06	6.10
2780	NASDAQ	OSUR	Wed, Mar 26, 2003	6.55	6.66	6.50	6.52
2779	NASDAQ	OSUR	Tue, Mar 25, 2003	6.65	6.80	6.52	6.60
2778	NASDAQ	OSUR	Mon, Mar 24, 2003	6.95	7.14	6.46	6.73
2777	NASDAQ	OSUR	Fri, Mar 21, 2003	6.95	7.17	6.87	7.17
2776	NASDAQ	OSUR	Thu, Mar 20, 2003	6.71	7.09	6.70	7.08
2775	NASDAQ	OSUR	Wed, Mar 19, 2003	6.63	6.99	6.63	6.95
2774	NASDAQ	OSUR	Tue, Mar 18, 2003	6.60	6.80	6.46	6.60
2773	NASDAQ	OSUR	Mon, Mar 17, 2003	6.04	6.70	6.00	6.69
2772	NASDAQ	OSUR	Fri, Mar 14, 2003	6.25	6.45	6.15	6.20
2771	NASDAQ	OSUR	Thu, Mar 13, 2003	6.16	6.25	6.06	6.15
2770	NASDAQ	OSUR	Wed, Mar 12, 2003	5.92	6.27	5.90	6.09
2769	NASDAQ	OSUR	Tue, Mar 11, 2003	6.14	6.25	5.92	6.00
2768	NASDAQ	OSUR	Mon, Mar 10, 2003	6.62	6.66	6.12	6.20
2767	NASDAQ	OSUR	Fri, Mar 7, 2003	6.72	6.72	6.50	6.62
2766	NASDAQ	OSUR	Thu, Mar 6, 2003	6.67	6.88	6.50	6.70
2765	NASDAQ	OSUR	Wed, Mar 5, 2003	6.80	6.93	6.69	6.77
2764	NASDAQ	OSUR	Tue, Mar 4, 2003	6.93	7.00	6.79	6.80
2763	NASDAQ	OSUR	Mon, Mar 3, 2003	7.10	7.10	6.85	6.95
2762	NASDAQ	OSUR	Fri, Feb 28, 2003	6.95	7.04	6.78	6.82
2761	NASDAQ	OSUR	Thu, Feb 27, 2003	7.25	7.25	6.85	6.99
2760	NASDAQ	OSUR	Wed, Feb 26, 2003	7.24	7.25	7.12	7.16
2759	NASDAQ	OSUR	Tue, Feb 25, 2003	7.28	7.28	7.11	7.23
2758	NASDAQ	OSUR	Mon, Feb 24, 2003	7.50	7.60	7.25	7.28
2757	NASDAQ	OSUR	Fri, Feb 21, 2003	7.15	7.36	7.10	7.11
2756	NASDAQ	OSUR	Thu, Feb 20, 2003	7.29	7.50	7.05	7.50
2755	NASDAQ	OSUR	Wed, Feb 19, 2003	7.28	7.64	7.14	7.30
2754	NASDAQ	OSUR	Tue, Feb 18, 2003	7.00	7.37	6.97	7.33
2753	NASDAQ	OSUR	Fri, Feb 14, 2003	7.11	7.15	6.87	7.00
2752	NASDAQ	OSUR	Thu, Feb 13, 2003	7.31	7.39	7.00	7.14
2751	NASDAQ	OSUR	Wed, Feb 12, 2003	7.30	7.46	7.20	7.34
2750	NASDAQ	OSUR	Tue, Feb 11, 2003	7.27	7.35	7.01	7.32
2749	NASDAQ	OSUR	Mon, Feb 10, 2003	6.92	7.31	6.80	7.24
2748	NASDAQ	OSUR	Fri, Feb 7, 2003	7.06	7.18	6.75	7.01
2747	NASDAQ	OSUR	Thu, Feb 6, 2003	7.27	7.58	6.91	7.20
2746	NASDAQ	OSUR	Wed, Feb 5, 2003	7.88	8.15	7.65	7.93
2745	NASDAQ	OSUR	Tue, Feb 4, 2003	8.00	8.20	7.65	7.82
2744	NASDAQ	OSUR	Mon, Feb 3, 2003	8.50	8.62	7.90	8.22
2743	NASDAQ	OSUR	Fri, Jan 31, 2003	6.26	7.85	6.06	7.85
2742	NASDAQ	OSUR	Thu, Jan 30, 2003	6.31	6.43	6.01	6.20
2741	NASDAQ	OSUR	Wed, Jan 29, 2003	6.05	6.50	5.87	6.30
2740	NASDAQ	OSUR	Tue, Jan 28, 2003	5.61	6.10	5.60	5.93
2739	NASDAQ	OSUR	Mon, Jan 27, 2003	5.75	5.86	5.58	5.62
2738	NASDAQ	OSUR	Fri, Jan 24, 2003	5.96	6.10	5.85	5.90
2737	NASDAQ	OSUR	Thu, Jan 23, 2003	6.18	6.18	5.89	6.06
2736	NASDAQ	OSUR	Wed, Jan 22, 2003	5.88	6.20	5.88	6.09
2735	NASDAQ	OSUR	Tue, Jan 21, 2003	5.76	5.95	5.65	5.91
2734	NASDAQ	OSUR	Fri, Jan 17, 2003	5.62	5.90	5.60	5.80
2733	NASDAQ	OSUR	Thu, Jan 16, 2003	5.90	5.90	5.62	5.72
2732	NASDAQ	OSUR	Wed, Jan 15, 2003	6.02	6.24	5.65	5.65
2731	NASDAQ	OSUR	Tue, Jan 14, 2003	5.60	6.24	5.51	6.03
2730	NASDAQ	OSUR	Mon, Jan 13, 2003	5.49	5.60	5.40	5.55
2729	NASDAQ	OSUR	Fri, Jan 10, 2003	5.30	5.47	5.30	5.45
2728	NASDAQ	OSUR	Thu, Jan 9, 2003	5.38	5.53	5.33	5.40
2727	NASDAQ	OSUR	Wed, Jan 8, 2003	5.62	5.62	5.31	5.38
2726	NASDAQ	OSUR	Tue, Jan 7, 2003	5.64	5.75	5.50	5.52
2725	NASDAQ	OSUR	Mon, Jan 6, 2003	5.59	5.69	5.33	5.56
2724	NASDAQ	OSUR	Fri, Jan 3, 2003	5.64	5.70	5.49	5.49
2723	NASDAQ	OSUR	Thu, Jan 2, 2003	5.59	5.84	5.05	5.64
2722	NASDAQ	OSUR	Tue, Dec 31, 2002	5.54	5.75	5.23	5.45
2721	NASDAQ	OSUR	Mon, Dec 30, 2002	5.74	5.90	5.50	5.53
2720	NASDAQ	OSUR	Fri, Dec 27, 2002	5.98	5.98	5.73	5.74
2719	NASDAQ	OSUR	Thu, Dec 26, 2002	6.00	6.15	5.85	5.90
2718	NASDAQ	OSUR	Tue, Dec 24, 2002	6.19	6.20	6.00	6.00
2717	NASDAQ	OSUR	Mon, Dec 23, 2002	6.23	6.25	6.07	6.08
2716	NASDAQ	OSUR	Fri, Dec 20, 2002	6.20	6.25	6.00	6.14
2715	NASDAQ	OSUR	Thu, Dec 19, 2002	6.10	6.15	6.00	6.09
2714	NASDAQ	OSUR	Wed, Dec 18, 2002	6.20	6.20	6.00	6.00
2713	NASDAQ	OSUR	Tue, Dec 17, 2002	6.28	6.35	6.05	6.20
2712	NASDAQ	OSUR	Mon, Dec 16, 2002	6.45	6.45	6.08	6.28
2711	NASDAQ	OSUR	Fri, Dec 13, 2002	6.08	6.08	5.89	5.96
2710	NASDAQ	OSUR	Thu, Dec 12, 2002	5.96	6.08	5.75	5.92
2709	NASDAQ	OSUR	Wed, Dec 11, 2002	5.65	5.99	5.60	5.80
2708	NASDAQ	OSUR	Tue, Dec 10, 2002	5.55	5.80	5.55	5.65
2707	NASDAQ	OSUR	Mon, Dec 9, 2002	5.81	5.94	5.50	5.69
2706	NASDAQ	OSUR	Fri, Dec 6, 2002	5.81	5.96	5.59	5.75
2705	NASDAQ	OSUR	Thu, Dec 5, 2002	5.90	6.08	5.80	5.91
2704	NASDAQ	OSUR	Wed, Dec 4, 2002	6.34	6.35	5.90	5.90
2703	NASDAQ	OSUR	Tue, Dec 3, 2002	6.15	6.47	6.02	6.30
2702	NASDAQ	OSUR	Mon, Dec 2, 2002	6.01	6.27	5.96	6.14
2701	NASDAQ	OSUR	Fri, Nov 29, 2002	5.75	6.19	5.75	5.98
2700	NASDAQ	OSUR	Wed, Nov 27, 2002	6.11	6.18	5.79	5.94
2699	NASDAQ	OSUR	Tue, Nov 26, 2002	6.13	6.31	6.06	6.18
2698	NASDAQ	OSUR	Mon, Nov 25, 2002	6.39	6.39	6.08	6.24
2697	NASDAQ	OSUR	Fri, Nov 22, 2002	6.23	6.50	6.19	6.26
2696	NASDAQ	OSUR	Thu, Nov 21, 2002	6.22	6.74	6.18	6.32
2695	NASDAQ	OSUR	Wed, Nov 20, 2002	6.20	6.50	6.05	6.28
2694	NASDAQ	OSUR	Tue, Nov 19, 2002	6.50	6.52	6.15	6.16
2693	NASDAQ	OSUR	Mon, Nov 18, 2002	6.72	6.79	6.50	6.51
2692	NASDAQ	OSUR	Fri, Nov 15, 2002	6.70	6.94	6.55	6.73
2691	NASDAQ	OSUR	Thu, Nov 14, 2002	6.76	6.89	6.57	6.70
2690	NASDAQ	OSUR	Wed, Nov 13, 2002	6.80	7.25	6.71	6.77
2689	NASDAQ	OSUR	Tue, Nov 12, 2002	7.14	7.25	6.61	6.79
2688	NASDAQ	OSUR	Mon, Nov 11, 2002	8.00	8.05	7.01	7.08
2687	NASDAQ	OSUR	Fri, Nov 8, 2002	7.87	8.15	7.26	7.97
2686	NASDAQ	OSUR	Thu, Nov 7, 2002	5.76	7.19	5.60	7.00
2685	NASDAQ	OSUR	Wed, Nov 6, 2002	5.78	6.00	5.50	5.78
2684	NASDAQ	OSUR	Tue, Nov 5, 2002	5.61	5.95	5.61	5.78
2683	NASDAQ	OSUR	Mon, Nov 4, 2002	5.55	5.99	5.48	5.74
2682	NASDAQ	OSUR	Fri, Nov 1, 2002	5.24	5.40	4.91	5.40
2681	NASDAQ	OSUR	Thu, Oct 31, 2002	5.06	5.25	4.94	5.08
2680	NASDAQ	OSUR	Wed, Oct 30, 2002	5.18	5.29	4.90	5.15
2679	NASDAQ	OSUR	Tue, Oct 29, 2002	5.25	5.37	5.18	5.23
2678	NASDAQ	OSUR	Mon, Oct 28, 2002	5.25	5.71	5.25	5.37
2677	NASDAQ	OSUR	Fri, Oct 25, 2002	5.58	5.79	5.28	5.63
2676	NASDAQ	OSUR	Thu, Oct 24, 2002	5.39	5.75	5.35	5.47
2675	NASDAQ	OSUR	Wed, Oct 23, 2002	5.61	5.75	5.13	5.30
2674	NASDAQ	OSUR	Tue, Oct 22, 2002	5.52	5.52	5.19	5.40
2673	NASDAQ	OSUR	Mon, Oct 21, 2002	4.90	5.70	4.85	5.53
2672	NASDAQ	OSUR	Fri, Oct 18, 2002	4.19	5.30	4.08	4.96
2671	NASDAQ	OSUR	Thu, Oct 17, 2002	4.26	4.35	4.12	4.20
2670	NASDAQ	OSUR	Wed, Oct 16, 2002	4.01	4.32	4.01	4.08
2669	NASDAQ	OSUR	Tue, Oct 15, 2002	3.85	4.20	3.85	4.07
2668	NASDAQ	OSUR	Mon, Oct 14, 2002	3.76	4.01	3.70	3.89
2667	NASDAQ	OSUR	Fri, Oct 11, 2002	3.99	4.50	3.99	4.04
2666	NASDAQ	OSUR	Thu, Oct 10, 2002	3.78	4.35	3.70	3.98
2665	NASDAQ	OSUR	Wed, Oct 9, 2002	4.04	4.15	3.81	3.82
2664	NASDAQ	OSUR	Tue, Oct 8, 2002	4.10	4.10	4.00	4.05
2663	NASDAQ	OSUR	Mon, Oct 7, 2002	4.31	4.40	4.11	4.19
2662	NASDAQ	OSUR	Fri, Oct 4, 2002	4.32	4.47	4.30	4.35
2661	NASDAQ	OSUR	Thu, Oct 3, 2002	4.48	4.55	4.20	4.45
2660	NASDAQ	OSUR	Wed, Oct 2, 2002	4.49	4.54	4.20	4.35
2659	NASDAQ	OSUR	Tue, Oct 1, 2002	4.54	4.60	4.29	4.49
2658	NASDAQ	OSUR	Mon, Sep 30, 2002	4.00	4.68	3.98	4.43
2657	NASDAQ	OSUR	Fri, Sep 27, 2002	3.80	3.97	3.70	3.97
2656	NASDAQ	OSUR	Thu, Sep 26, 2002	3.83	4.00	3.33	3.89
2655	NASDAQ	OSUR	Wed, Sep 25, 2002	3.99	4.00	3.70	3.90
2654	NASDAQ	OSUR	Tue, Sep 24, 2002	3.99	4.05	3.65	3.65
2653	NASDAQ	OSUR	Mon, Sep 23, 2002	4.20	4.40	3.80	3.90
2652	NASDAQ	OSUR	Fri, Sep 20, 2002	4.02	4.50	4.02	4.21
2651	NASDAQ	OSUR	Thu, Sep 19, 2002	4.59	4.62	4.20	4.35
2650	NASDAQ	OSUR	Wed, Sep 18, 2002	4.52	4.70	4.52	4.65
2649	NASDAQ	OSUR	Tue, Sep 17, 2002	4.55	4.75	4.50	4.70
2648	NASDAQ	OSUR	Mon, Sep 16, 2002	4.45	4.75	4.43	4.70
2647	NASDAQ	OSUR	Fri, Sep 13, 2002	4.25	4.50	4.19	4.36
2646	NASDAQ	OSUR	Thu, Sep 12, 2002	4.33	4.33	4.16	4.25
2645	NASDAQ	OSUR	Wed, Sep 11, 2002	4.19	4.31	4.11	4.31
2644	NASDAQ	OSUR	Tue, Sep 10, 2002	4.11	4.19	4.01	4.19
2643	NASDAQ	OSUR	Mon, Sep 9, 2002	4.01	4.20	3.92	4.14
2642	NASDAQ	OSUR	Fri, Sep 6, 2002	3.90	4.19	3.90	4.01
2641	NASDAQ	OSUR	Thu, Sep 5, 2002	4.12	4.12	3.86	3.88
2640	NASDAQ	OSUR	Wed, Sep 4, 2002	3.95	4.03	3.91	4.00
2639	NASDAQ	OSUR	Tue, Sep 3, 2002	3.96	3.96	3.70	3.85
2638	NASDAQ	OSUR	Fri, Aug 30, 2002	4.05	4.05	3.70	3.74
2637	NASDAQ	OSUR	Thu, Aug 29, 2002	3.82	4.19	3.76	4.11
2636	NASDAQ	OSUR	Wed, Aug 28, 2002	4.09	4.25	3.69	3.70
2635	NASDAQ	OSUR	Tue, Aug 27, 2002	4.55	4.64	4.08	4.08
2634	NASDAQ	OSUR	Mon, Aug 26, 2002	4.46	4.64	4.36	4.56
2633	NASDAQ	OSUR	Fri, Aug 23, 2002	4.50	4.52	4.45	4.45
2632	NASDAQ	OSUR	Thu, Aug 22, 2002	4.50	4.60	4.40	4.52
2631	NASDAQ	OSUR	Wed, Aug 21, 2002	4.40	4.50	4.26	4.50
2630	NASDAQ	OSUR	Tue, Aug 20, 2002	4.50	4.65	4.35	4.43
2629	NASDAQ	OSUR	Mon, Aug 19, 2002	4.49	4.55	4.06	4.49
2628	NASDAQ	OSUR	Fri, Aug 16, 2002	4.05	4.55	4.05	4.24
2627	NASDAQ	OSUR	Thu, Aug 15, 2002	4.15	4.55	4.06	4.19
2626	NASDAQ	OSUR	Wed, Aug 14, 2002	4.59	4.59	4.17	4.50
2625	NASDAQ	OSUR	Tue, Aug 13, 2002	4.51	4.51	4.30	4.46
2624	NASDAQ	OSUR	Mon, Aug 12, 2002	4.40	4.50	4.40	4.50
2623	NASDAQ	OSUR	Fri, Aug 9, 2002	4.55	4.55	4.32	4.41
2622	NASDAQ	OSUR	Thu, Aug 8, 2002	4.52	4.55	4.30	4.50
2621	NASDAQ	OSUR	Wed, Aug 7, 2002	4.19	4.62	4.19	4.49
2620	NASDAQ	OSUR	Tue, Aug 6, 2002	4.10	4.46	3.95	4.20
2619	NASDAQ	OSUR	Mon, Aug 5, 2002	4.39	4.40	3.96	4.10
2618	NASDAQ	OSUR	Fri, Aug 2, 2002	4.47	4.63	3.98	3.98
2617	NASDAQ	OSUR	Thu, Aug 1, 2002	4.42	4.47	4.33	4.33
2616	NASDAQ	OSUR	Wed, Jul 31, 2002	4.66	4.75	4.37	4.49
2615	NASDAQ	OSUR	Tue, Jul 30, 2002	5.00	5.00	4.50	4.62
2614	NASDAQ	OSUR	Mon, Jul 29, 2002	5.00	5.10	4.78	4.99
2613	NASDAQ	OSUR	Fri, Jul 26, 2002	4.61	5.00	4.52	4.99
2612	NASDAQ	OSUR	Thu, Jul 25, 2002	4.33	5.00	4.33	4.66
2611	NASDAQ	OSUR	Wed, Jul 24, 2002	4.28	4.55	4.02	4.42
2610	NASDAQ	OSUR	Tue, Jul 23, 2002	4.82	4.84	4.25	4.31
2609	NASDAQ	OSUR	Mon, Jul 22, 2002	4.65	5.10	4.64	4.65
2608	NASDAQ	OSUR	Fri, Jul 19, 2002	5.00	5.25	4.65	4.65
2607	NASDAQ	OSUR	Thu, Jul 18, 2002	5.35	5.43	5.00	5.00
2606	NASDAQ	OSUR	Wed, Jul 17, 2002	5.20	5.46	5.05	5.36
2605	NASDAQ	OSUR	Tue, Jul 16, 2002	5.09	5.20	4.90	4.91
2604	NASDAQ	OSUR	Mon, Jul 15, 2002	5.05	5.20	4.90	4.96
2603	NASDAQ	OSUR	Fri, Jul 12, 2002	5.30	5.39	5.15	5.15
2602	NASDAQ	OSUR	Thu, Jul 11, 2002	5.46	5.87	5.00	5.25
2601	NASDAQ	OSUR	Wed, Jul 10, 2002	5.79	5.91	5.45	5.53
2600	NASDAQ	OSUR	Tue, Jul 9, 2002	5.91	5.99	5.60	5.78
2599	NASDAQ	OSUR	Mon, Jul 8, 2002	5.55	6.05	5.36	5.80
2598	NASDAQ	OSUR	Fri, Jul 5, 2002	5.71	5.75	5.58	5.66
2597	NASDAQ	OSUR	Wed, Jul 3, 2002	6.25	6.25	5.20	5.72
2596	NASDAQ	OSUR	Tue, Jul 2, 2002	6.21	6.49	5.95	5.95
2595	NASDAQ	OSUR	Mon, Jul 1, 2002	6.51	6.82	6.24	6.25
2594	NASDAQ	OSUR	Fri, Jun 28, 2002	6.90	6.98	6.50	6.50
2593	NASDAQ	OSUR	Thu, Jun 27, 2002	6.61	6.95	6.60	6.90
2592	NASDAQ	OSUR	Wed, Jun 26, 2002	6.51	6.90	6.14	6.63
2591	NASDAQ	OSUR	Tue, Jun 25, 2002	7.00	7.00	6.65	6.65
2590	NASDAQ	OSUR	Mon, Jun 24, 2002	6.58	6.99	6.58	6.90
2589	NASDAQ	OSUR	Fri, Jun 21, 2002	7.04	7.04	6.60	6.69
2588	NASDAQ	OSUR	Thu, Jun 20, 2002	6.70	6.93	6.70	6.85
2587	NASDAQ	OSUR	Wed, Jun 19, 2002	6.85	6.95	6.73	6.85
2586	NASDAQ	OSUR	Tue, Jun 18, 2002	6.80	6.95	6.72	6.80
2585	NASDAQ	OSUR	Mon, Jun 17, 2002	6.96	7.02	6.50	6.71
2584	NASDAQ	OSUR	Fri, Jun 14, 2002	5.86	6.15	5.60	6.15
2583	NASDAQ	OSUR	Thu, Jun 13, 2002	6.05	6.10	5.98	6.00
2582	NASDAQ	OSUR	Wed, Jun 12, 2002	6.12	6.15	5.98	6.07
2581	NASDAQ	OSUR	Tue, Jun 11, 2002	6.06	6.25	6.00	6.10
2580	NASDAQ	OSUR	Mon, Jun 10, 2002	5.66	6.29	5.65	6.10
2579	NASDAQ	OSUR	Fri, Jun 7, 2002	5.95	6.01	5.50	5.75
2578	NASDAQ	OSUR	Thu, Jun 6, 2002	6.20	6.23	5.90	5.90
2577	NASDAQ	OSUR	Wed, Jun 5, 2002	6.34	6.40	6.10	6.15
2576	NASDAQ	OSUR	Tue, Jun 4, 2002	6.44	6.44	6.06	6.30
2575	NASDAQ	OSUR	Mon, Jun 3, 2002	6.70	6.71	6.26	6.32
2574	NASDAQ	OSUR	Fri, May 31, 2002	6.75	6.85	6.70	6.70
2573	NASDAQ	OSUR	Thu, May 30, 2002	6.80	6.85	6.60	6.70
2572	NASDAQ	OSUR	Wed, May 29, 2002	6.83	6.93	6.70	6.75
2571	NASDAQ	OSUR	Tue, May 28, 2002	6.75	7.00	6.67	6.85
2570	NASDAQ	OSUR	Fri, May 24, 2002	7.00	7.14	6.66	6.68
2569	NASDAQ	OSUR	Thu, May 23, 2002	6.99	7.30	6.90	7.22
2568	NASDAQ	OSUR	Wed, May 22, 2002	7.05	7.05	6.75	6.93
2567	NASDAQ	OSUR	Tue, May 21, 2002	6.89	7.05	6.89	7.00
2566	NASDAQ	OSUR	Mon, May 20, 2002	6.85	6.99	6.75	6.83
2565	NASDAQ	OSUR	Fri, May 17, 2002	7.04	7.04	6.82	6.82
2564	NASDAQ	OSUR	Thu, May 16, 2002	6.99	7.05	6.81	7.05
2563	NASDAQ	OSUR	Wed, May 15, 2002	7.00	7.13	6.75	6.90
2562	NASDAQ	OSUR	Tue, May 14, 2002	7.20	7.20	6.75	7.01
2561	NASDAQ	OSUR	Mon, May 13, 2002	8.23	8.35	7.00	7.10
2560	NASDAQ	OSUR	Fri, May 10, 2002	7.39	7.39	7.05	7.30
2559	NASDAQ	OSUR	Thu, May 9, 2002	7.05	7.40	6.86	7.05
2558	NASDAQ	OSUR	Wed, May 8, 2002	7.15	7.23	6.85	7.13
2557	NASDAQ	OSUR	Tue, May 7, 2002	7.40	7.42	6.95	6.99
2556	NASDAQ	OSUR	Mon, May 6, 2002	7.25	7.55	7.20	7.20
2555	NASDAQ	OSUR	Fri, May 3, 2002	7.53	7.65	7.25	7.55
2554	NASDAQ	OSUR	Thu, May 2, 2002	7.66	7.75	7.30	7.60
2553	NASDAQ	OSUR	Wed, May 1, 2002	7.20	7.60	7.00	7.59
2552	NASDAQ	OSUR	Tue, Apr 30, 2002	7.36	7.65	7.13	7.32
2551	NASDAQ	OSUR	Mon, Apr 29, 2002	7.45	7.58	7.25	7.55
2550	NASDAQ	OSUR	Fri, Apr 26, 2002	7.46	7.69	7.45	7.50
2549	NASDAQ	OSUR	Thu, Apr 25, 2002	7.65	7.65	7.40	7.55
2548	NASDAQ	OSUR	Wed, Apr 24, 2002	7.82	8.00	7.60	7.61
2547	NASDAQ	OSUR	Tue, Apr 23, 2002	7.80	8.07	7.76	7.80
2546	NASDAQ	OSUR	Mon, Apr 22, 2002	7.99	8.10	7.70	7.85
2545	NASDAQ	OSUR	Fri, Apr 19, 2002	7.65	8.15	7.50	7.75
2544	NASDAQ	OSUR	Thu, Apr 18, 2002	7.36	7.48	7.35	7.36
2543	NASDAQ	OSUR	Wed, Apr 17, 2002	7.58	7.78	7.30	7.50
2542	NASDAQ	OSUR	Tue, Apr 16, 2002	7.06	7.55	7.05	7.50
2541	NASDAQ	OSUR	Mon, Apr 15, 2002	7.08	7.25	7.00	7.25
2540	NASDAQ	OSUR	Fri, Apr 12, 2002	7.05	7.25	7.00	7.01
2539	NASDAQ	OSUR	Thu, Apr 11, 2002	6.96	7.17	6.50	7.05
2538	NASDAQ	OSUR	Wed, Apr 10, 2002	6.89	7.04	6.76	6.93
2537	NASDAQ	OSUR	Tue, Apr 9, 2002	6.80	7.11	6.66	6.70
2536	NASDAQ	OSUR	Mon, Apr 8, 2002	5.90	7.19	5.86	6.84
2535	NASDAQ	OSUR	Fri, Apr 5, 2002	6.15	6.20	5.95	6.07
2534	NASDAQ	OSUR	Thu, Apr 4, 2002	5.98	6.19	5.98	6.19
2533	NASDAQ	OSUR	Wed, Apr 3, 2002	5.96	6.09	5.90	6.00
2532	NASDAQ	OSUR	Tue, Apr 2, 2002	5.95	6.00	5.80	5.95
2531	NASDAQ	OSUR	Mon, Apr 1, 2002	6.00	6.09	5.75	5.98
2530	NASDAQ	OSUR	Thu, Mar 28, 2002	6.20	6.20	5.95	6.05
2529	NASDAQ	OSUR	Wed, Mar 27, 2002	6.20	6.20	6.03	6.14
2528	NASDAQ	OSUR	Tue, Mar 26, 2002	6.16	6.25	5.95	6.05
2527	NASDAQ	OSUR	Mon, Mar 25, 2002	6.49	6.50	5.90	6.10
2526	NASDAQ	OSUR	Fri, Mar 22, 2002	6.00	6.50	6.00	6.48
2525	NASDAQ	OSUR	Thu, Mar 21, 2002	5.74	5.99	5.73	5.99
2524	NASDAQ	OSUR	Wed, Mar 20, 2002	5.86	5.90	5.61	5.85
2523	NASDAQ	OSUR	Tue, Mar 19, 2002	5.85	6.05	5.75	5.96
2522	NASDAQ	OSUR	Mon, Mar 18, 2002	5.70	5.85	5.51	5.69
2521	NASDAQ	OSUR	Fri, Mar 15, 2002	5.83	5.83	5.50	5.58
2520	NASDAQ	OSUR	Thu, Mar 14, 2002	5.90	5.94	5.61	5.70
2519	NASDAQ	OSUR	Wed, Mar 13, 2002	5.64	5.89	5.56	5.85
2518	NASDAQ	OSUR	Tue, Mar 12, 2002	5.76	5.85	5.55	5.85
2517	NASDAQ	OSUR	Mon, Mar 11, 2002	5.51	5.76	5.40	5.76
2516	NASDAQ	OSUR	Fri, Mar 8, 2002	5.45	5.53	5.33	5.39
2515	NASDAQ	OSUR	Thu, Mar 7, 2002	5.57	5.65	5.36	5.37
2514	NASDAQ	OSUR	Wed, Mar 6, 2002	5.36	5.50	5.16	5.47
2513	NASDAQ	OSUR	Tue, Mar 5, 2002	5.28	5.50	5.27	5.40
2512	NASDAQ	OSUR	Mon, Mar 4, 2002	5.10	5.50	5.09	5.35
2511	NASDAQ	OSUR	Fri, Mar 1, 2002	5.21	5.43	4.95	5.25
2510	NASDAQ	OSUR	Thu, Feb 28, 2002	5.03	5.65	4.90	5.20
2509	NASDAQ	OSUR	Wed, Feb 27, 2002	4.97	5.02	4.90	4.94
2508	NASDAQ	OSUR	Tue, Feb 26, 2002	4.90	5.07	4.90	4.96
2507	NASDAQ	OSUR	Mon, Feb 25, 2002	4.89	5.17	4.83	5.03
2506	NASDAQ	OSUR	Fri, Feb 22, 2002	5.20	5.20	4.83	5.01
2505	NASDAQ	OSUR	Thu, Feb 21, 2002	5.18	5.19	4.76	4.95
2504	NASDAQ	OSUR	Wed, Feb 20, 2002	5.11	5.20	4.75	5.19
2503	NASDAQ	OSUR	Tue, Feb 19, 2002	5.06	5.30	4.75	4.93
2502	NASDAQ	OSUR	Fri, Feb 15, 2002	5.60	5.60	5.07	5.08
2501	NASDAQ	OSUR	Thu, Feb 14, 2002	5.69	5.90	5.40	5.47
2500	NASDAQ	OSUR	Wed, Feb 13, 2002	5.44	5.69	5.25	5.43
2499	NASDAQ	OSUR	Tue, Feb 12, 2002	5.30	5.50	5.22	5.36
2498	NASDAQ	OSUR	Mon, Feb 11, 2002	5.52	5.89	5.28	5.29
2497	NASDAQ	OSUR	Fri, Feb 8, 2002	5.40	5.50	5.05	5.48
2496	NASDAQ	OSUR	Thu, Feb 7, 2002	5.42	5.42	5.00	5.31
2495	NASDAQ	OSUR	Wed, Feb 6, 2002	5.14	5.43	5.00	5.30
2494	NASDAQ	OSUR	Tue, Feb 5, 2002	5.15	5.22	4.90	5.00
2493	NASDAQ	OSUR	Mon, Feb 4, 2002	5.65	5.65	4.77	5.10
2492	NASDAQ	OSUR	Fri, Feb 1, 2002	5.75	5.95	5.47	5.65
2491	NASDAQ	OSUR	Thu, Jan 31, 2002	6.10	6.10	5.63	5.68
2490	NASDAQ	OSUR	Wed, Jan 30, 2002	5.87	6.10	5.70	6.00
2489	NASDAQ	OSUR	Tue, Jan 29, 2002	6.90	6.90	5.75	5.76
2488	NASDAQ	OSUR	Mon, Jan 28, 2002	7.28	7.30	6.53	6.63
2487	NASDAQ	OSUR	Fri, Jan 25, 2002	6.98	7.29	6.59	7.15
2486	NASDAQ	OSUR	Thu, Jan 24, 2002	6.71	7.00	6.60	6.70
2485	NASDAQ	OSUR	Wed, Jan 23, 2002	6.65	6.75	6.25	6.65
2484	NASDAQ	OSUR	Tue, Jan 22, 2002	8.05	8.05	6.40	7.00
2483	NASDAQ	OSUR	Fri, Jan 18, 2002	10.85	10.90	10.10	10.35
2482	NASDAQ	OSUR	Thu, Jan 17, 2002	11.15	11.15	10.85	10.95
2481	NASDAQ	OSUR	Wed, Jan 16, 2002	11.16	11.30	11.01	11.15
2480	NASDAQ	OSUR	Tue, Jan 15, 2002	11.25	11.39	11.04	11.34
2479	NASDAQ	OSUR	Mon, Jan 14, 2002	11.26	11.45	11.15	11.20
2478	NASDAQ	OSUR	Fri, Jan 11, 2002	11.40	11.40	11.15	11.20
2477	NASDAQ	OSUR	Thu, Jan 10, 2002	11.05	11.40	11.05	11.28
2476	NASDAQ	OSUR	Wed, Jan 9, 2002	11.08	11.25	10.85	11.15
2475	NASDAQ	OSUR	Tue, Jan 8, 2002	11.82	11.90	10.85	11.04
2474	NASDAQ	OSUR	Mon, Jan 7, 2002	12.00	12.15	11.60	11.60
2473	NASDAQ	OSUR	Fri, Jan 4, 2002	12.16	12.25	11.95	11.95
2472	NASDAQ	OSUR	Thu, Jan 3, 2002	12.20	12.28	11.93	12.08
2471	NASDAQ	OSUR	Wed, Jan 2, 2002	12.10	12.25	12.00	12.20
2470	NASDAQ	OSUR	Mon, Dec 31, 2001	12.60	12.60	12.06	12.15
2469	NASDAQ	OSUR	Fri, Dec 28, 2001	12.25	12.72	12.20	12.50
2468	NASDAQ	OSUR	Thu, Dec 27, 2001	11.95	12.37	11.90	12.10
2467	NASDAQ	OSUR	Wed, Dec 26, 2001	12.10	12.24	11.73	12.24
2466	NASDAQ	OSUR	Mon, Dec 24, 2001	11.07	12.10	11.01	12.00
2465	NASDAQ	OSUR	Fri, Dec 21, 2001	11.90	11.94	10.95	11.73
2464	NASDAQ	OSUR	Thu, Dec 20, 2001	12.47	12.88	11.06	11.60
2463	NASDAQ	OSUR	Wed, Dec 19, 2001	12.19	12.65	11.90	12.52
2462	NASDAQ	OSUR	Tue, Dec 18, 2001	12.00	12.50	11.70	12.41
2461	NASDAQ	OSUR	Mon, Dec 17, 2001	12.40	12.44	11.91	12.28
2460	NASDAQ	OSUR	Fri, Dec 14, 2001	12.02	12.38	11.90	12.38
2459	NASDAQ	OSUR	Thu, Dec 13, 2001	11.92	12.32	11.80	12.00
2458	NASDAQ	OSUR	Wed, Dec 12, 2001	10.60	12.04	10.55	12.00
2457	NASDAQ	OSUR	Tue, Dec 11, 2001	10.50	10.59	10.23	10.55
2456	NASDAQ	OSUR	Mon, Dec 10, 2001	10.46	10.54	10.18	10.40
2455	NASDAQ	OSUR	Fri, Dec 7, 2001	10.21	10.58	10.15	10.38
2454	NASDAQ	OSUR	Thu, Dec 6, 2001	10.25	10.50	10.20	10.35
2453	NASDAQ	OSUR	Wed, Dec 5, 2001	10.09	10.54	9.82	10.54
2452	NASDAQ	OSUR	Tue, Dec 4, 2001	10.09	10.09	9.75	9.82
2451	NASDAQ	OSUR	Mon, Dec 3, 2001	9.45	10.30	9.45	10.00
2450	NASDAQ	OSUR	Fri, Nov 30, 2001	9.25	9.80	9.25	9.66
2449	NASDAQ	OSUR	Thu, Nov 29, 2001	9.15	9.70	9.15	9.70
2448	NASDAQ	OSUR	Wed, Nov 28, 2001	9.26	9.49	8.90	9.32
2447	NASDAQ	OSUR	Tue, Nov 27, 2001	9.50	9.50	9.14	9.33
2446	NASDAQ	OSUR	Mon, Nov 26, 2001	9.97	9.97	9.15	9.48
2445	NASDAQ	OSUR	Fri, Nov 23, 2001	9.40	10.00	9.32	9.98
2444	NASDAQ	OSUR	Wed, Nov 21, 2001	9.38	9.68	9.30	9.36
2443	NASDAQ	OSUR	Tue, Nov 20, 2001	10.36	10.36	9.37	9.37
2442	NASDAQ	OSUR	Mon, Nov 19, 2001	10.10	10.57	9.89	10.07
2441	NASDAQ	OSUR	Fri, Nov 16, 2001	10.50	10.70	9.95	10.45
2440	NASDAQ	OSUR	Thu, Nov 15, 2001	10.37	10.80	10.36	10.65
2439	NASDAQ	OSUR	Wed, Nov 14, 2001	10.39	10.50	10.36	10.45
2438	NASDAQ	OSUR	Tue, Nov 13, 2001	10.41	10.50	10.36	10.50
2437	NASDAQ	OSUR	Mon, Nov 12, 2001	10.40	10.65	10.36	10.41
2436	NASDAQ	OSUR	Fri, Nov 9, 2001	10.30	10.71	10.27	10.37
2435	NASDAQ	OSUR	Thu, Nov 8, 2001	10.55	10.55	10.29	10.33
2434	NASDAQ	OSUR	Wed, Nov 7, 2001	10.46	10.64	10.20	10.36
2433	NASDAQ	OSUR	Tue, Nov 6, 2001	10.15	10.42	10.05	10.42
2432	NASDAQ	OSUR	Mon, Nov 5, 2001	10.45	10.61	10.06	10.40
2431	NASDAQ	OSUR	Fri, Nov 2, 2001	10.36	10.65	10.36	10.54
2430	NASDAQ	OSUR	Thu, Nov 1, 2001	10.85	10.98	10.42	10.70
2429	NASDAQ	OSUR	Wed, Oct 31, 2001	10.13	10.84	10.13	10.43
2428	NASDAQ	OSUR	Tue, Oct 30, 2001	10.40	10.40	10.00	10.25
2427	NASDAQ	OSUR	Mon, Oct 29, 2001	10.30	10.42	10.25	10.27
2426	NASDAQ	OSUR	Fri, Oct 26, 2001	10.21	10.46	10.21	10.40
2425	NASDAQ	OSUR	Thu, Oct 25, 2001	10.34	10.47	10.00	10.35
2424	NASDAQ	OSUR	Wed, Oct 24, 2001	9.90	10.40	8.89	10.30
2423	NASDAQ	OSUR	Tue, Oct 23, 2001	10.58	11.14	10.40	10.56
2422	NASDAQ	OSUR	Mon, Oct 22, 2001	10.45	10.80	10.40	10.70
2421	NASDAQ	OSUR	Fri, Oct 19, 2001	10.62	10.68	10.41	10.55
2420	NASDAQ	OSUR	Thu, Oct 18, 2001	10.53	10.71	10.32	10.50
2419	NASDAQ	OSUR	Wed, Oct 17, 2001	10.65	10.91	10.05	10.85
2418	NASDAQ	OSUR	Tue, Oct 16, 2001	9.91	10.70	9.70	10.55
2417	NASDAQ	OSUR	Mon, Oct 15, 2001	10.60	10.66	9.75	10.20
2416	NASDAQ	OSUR	Fri, Oct 12, 2001	10.38	11.33	10.00	10.70
2415	NASDAQ	OSUR	Thu, Oct 11, 2001	10.74	10.98	10.12	10.41
2414	NASDAQ	OSUR	Wed, Oct 10, 2001	10.30	10.80	10.05	10.70
2413	NASDAQ	OSUR	Tue, Oct 9, 2001	9.71	10.59	9.50	10.05
2412	NASDAQ	OSUR	Mon, Oct 8, 2001	9.36	9.94	9.36	9.75
2411	NASDAQ	OSUR	Fri, Oct 5, 2001	9.50	10.01	9.21	10.01
2410	NASDAQ	OSUR	Thu, Oct 4, 2001	9.70	9.70	9.32	9.55
2409	NASDAQ	OSUR	Wed, Oct 3, 2001	9.30	9.90	9.21	9.47
2408	NASDAQ	OSUR	Tue, Oct 2, 2001	9.85	10.03	9.35	9.49
2407	NASDAQ	OSUR	Mon, Oct 1, 2001	9.80	10.14	9.25	9.80
2406	NASDAQ	OSUR	Fri, Sep 28, 2001	8.64	10.27	8.43	10.25
2405	NASDAQ	OSUR	Thu, Sep 27, 2001	8.87	8.87	8.23	8.65
2404	NASDAQ	OSUR	Wed, Sep 26, 2001	8.99	9.00	8.23	8.80
2403	NASDAQ	OSUR	Tue, Sep 25, 2001	8.71	9.20	8.62	8.90
2402	NASDAQ	OSUR	Mon, Sep 24, 2001	8.53	9.15	8.35	8.90
2401	NASDAQ	OSUR	Fri, Sep 21, 2001	7.97	8.44	7.26	8.25
2400	NASDAQ	OSUR	Thu, Sep 20, 2001	9.90	9.90	8.31	8.42
2399	NASDAQ	OSUR	Wed, Sep 19, 2001	10.15	10.30	9.53	10.10
2398	NASDAQ	OSUR	Tue, Sep 18, 2001	10.85	10.90	9.80	10.15
2397	NASDAQ	OSUR	Mon, Sep 17, 2001	11.50	11.75	9.69	10.21
2396	NASDAQ	OSUR	Mon, Sep 10, 2001	11.76	12.03	11.45	12.03
2395	NASDAQ	OSUR	Fri, Sep 7, 2001	12.30	12.30	11.82	12.23
2394	NASDAQ	OSUR	Thu, Sep 6, 2001	12.30	12.35	11.65	12.25
2393	NASDAQ	OSUR	Wed, Sep 5, 2001	12.50	12.75	12.31	12.50
2392	NASDAQ	OSUR	Tue, Sep 4, 2001	12.51	12.98	12.39	12.59
2391	NASDAQ	OSUR	Fri, Aug 31, 2001	13.10	13.10	12.67	13.01
2390	NASDAQ	OSUR	Thu, Aug 30, 2001	12.90	13.06	12.75	13.05
2389	NASDAQ	OSUR	Wed, Aug 29, 2001	12.97	13.05	12.85	13.00
2388	NASDAQ	OSUR	Tue, Aug 28, 2001	12.77	13.00	12.60	13.00
2387	NASDAQ	OSUR	Mon, Aug 27, 2001	12.86	13.00	12.52	12.95
2386	NASDAQ	OSUR	Fri, Aug 24, 2001	12.98	13.08	12.61	12.93
2385	NASDAQ	OSUR	Thu, Aug 23, 2001	12.66	13.15	12.39	13.00
2384	NASDAQ	OSUR	Wed, Aug 22, 2001	12.45	12.63	12.28	12.63
2383	NASDAQ	OSUR	Tue, Aug 21, 2001	12.48	12.67	12.27	12.40
2382	NASDAQ	OSUR	Mon, Aug 20, 2001	11.86	12.74	11.75	12.70
2381	NASDAQ	OSUR	Fri, Aug 17, 2001	12.30	12.30	11.94	11.95
2380	NASDAQ	OSUR	Thu, Aug 16, 2001	11.89	12.40	11.40	12.40
2379	NASDAQ	OSUR	Wed, Aug 15, 2001	12.66	12.69	11.83	12.24
2378	NASDAQ	OSUR	Tue, Aug 14, 2001	12.54	12.79	12.35	12.75
2377	NASDAQ	OSUR	Mon, Aug 13, 2001	11.81	12.55	11.40	12.31
2376	NASDAQ	OSUR	Fri, Aug 10, 2001	11.15	12.09	11.15	12.00
2375	NASDAQ	OSUR	Thu, Aug 9, 2001	11.40	11.60	10.79	11.60
2374	NASDAQ	OSUR	Wed, Aug 8, 2001	12.49	12.49	11.33	11.50
2373	NASDAQ	OSUR	Tue, Aug 7, 2001	12.78	13.01	12.00	12.49
2372	NASDAQ	OSUR	Mon, Aug 6, 2001	12.91	12.97	12.60	12.97
2371	NASDAQ	OSUR	Fri, Aug 3, 2001	13.00	13.26	12.55	12.94
2370	NASDAQ	OSUR	Thu, Aug 2, 2001	14.05	14.05	12.49	13.05
2369	NASDAQ	OSUR	Wed, Aug 1, 2001	14.32	14.65	14.02	14.48
2368	NASDAQ	OSUR	Tue, Jul 31, 2001	14.12	14.38	13.00	14.38
2367	NASDAQ	OSUR	Mon, Jul 30, 2001	14.94	14.94	13.88	13.93
2366	NASDAQ	OSUR	Fri, Jul 27, 2001	14.71	15.00	14.54	14.74
2365	NASDAQ	OSUR	Thu, Jul 26, 2001	13.84	15.00	13.75	14.67
2364	NASDAQ	OSUR	Wed, Jul 25, 2001	13.40	13.65	13.35	13.57
2363	NASDAQ	OSUR	Tue, Jul 24, 2001	14.00	14.00	13.25	13.31
2362	NASDAQ	OSUR	Mon, Jul 23, 2001	14.19	14.19	13.40	14.00
2361	NASDAQ	OSUR	Fri, Jul 20, 2001	13.99	14.19	13.76	14.16
2360	NASDAQ	OSUR	Thu, Jul 19, 2001	14.20	14.20	13.45	14.10
2359	NASDAQ	OSUR	Wed, Jul 18, 2001	14.35	14.37	13.85	14.28
2358	NASDAQ	OSUR	Tue, Jul 17, 2001	14.27	14.40	14.12	14.37
2357	NASDAQ	OSUR	Mon, Jul 16, 2001	13.91	14.32	13.86	14.30
2356	NASDAQ	OSUR	Fri, Jul 13, 2001	12.85	14.00	12.72	13.93
2355	NASDAQ	OSUR	Thu, Jul 12, 2001	11.86	12.97	11.86	12.94
2354	NASDAQ	OSUR	Wed, Jul 11, 2001	11.70	12.02	11.42	11.77
2353	NASDAQ	OSUR	Tue, Jul 10, 2001	11.99	12.03	11.60	11.69
2352	NASDAQ	OSUR	Mon, Jul 9, 2001	11.75	12.00	11.38	11.92
2351	NASDAQ	OSUR	Fri, Jul 6, 2001	12.00	12.12	11.45	11.72
2350	NASDAQ	OSUR	Thu, Jul 5, 2001	12.10	12.30	11.75	12.09
2349	NASDAQ	OSUR	Tue, Jul 3, 2001	12.36	12.40	12.10	12.26
2348	NASDAQ	OSUR	Mon, Jul 2, 2001	11.63	12.45	11.55	12.35
2347	NASDAQ	OSUR	Fri, Jun 29, 2001	11.80	12.64	10.91	12.50
2346	NASDAQ	OSUR	Thu, Jun 28, 2001	11.95	12.05	11.25	11.84
2345	NASDAQ	OSUR	Wed, Jun 27, 2001	11.40	11.99	11.06	11.96
2344	NASDAQ	OSUR	Tue, Jun 26, 2001	11.54	11.99	11.29	11.34
2343	NASDAQ	OSUR	Mon, Jun 25, 2001	11.11	11.72	10.91	11.52
2342	NASDAQ	OSUR	Fri, Jun 22, 2001	10.27	11.25	10.20	11.22
2341	NASDAQ	OSUR	Thu, Jun 21, 2001	10.39	10.64	9.90	10.62
2340	NASDAQ	OSUR	Wed, Jun 20, 2001	9.99	10.51	9.81	10.50
2339	NASDAQ	OSUR	Tue, Jun 19, 2001	9.97	10.08	9.80	10.08
2338	NASDAQ	OSUR	Mon, Jun 18, 2001	10.21	10.23	9.90	9.91
2337	NASDAQ	OSUR	Fri, Jun 15, 2001	10.06	10.29	9.85	10.29
2336	NASDAQ	OSUR	Thu, Jun 14, 2001	10.04	10.04	9.60	10.04
2335	NASDAQ	OSUR	Wed, Jun 13, 2001	10.30	10.65	9.83	10.20
2334	NASDAQ	OSUR	Tue, Jun 12, 2001	10.31	10.50	10.00	10.50
2333	NASDAQ	OSUR	Mon, Jun 11, 2001	10.72	11.10	10.15	10.40
2332	NASDAQ	OSUR	Fri, Jun 8, 2001	10.82	11.22	10.76	11.21
2331	NASDAQ	OSUR	Thu, Jun 7, 2001	11.30	11.41	10.70	10.95
2330	NASDAQ	OSUR	Wed, Jun 6, 2001	11.75	11.75	11.20	11.30
2329	NASDAQ	OSUR	Tue, Jun 5, 2001	11.00	11.80	10.95	11.79
2328	NASDAQ	OSUR	Mon, Jun 4, 2001	11.29	11.30	11.00	11.25
2327	NASDAQ	OSUR	Fri, Jun 1, 2001	11.29	12.20	11.00	11.29
2326	NASDAQ	OSUR	Thu, May 31, 2001	10.79	11.50	10.60	11.30
2325	NASDAQ	OSUR	Wed, May 30, 2001	11.66	12.00	10.90	11.00
2324	NASDAQ	OSUR	Tue, May 29, 2001	11.87	12.00	11.65	12.00
2323	NASDAQ	OSUR	Fri, May 25, 2001	11.98	12.46	11.70	11.97
2322	NASDAQ	OSUR	Thu, May 24, 2001	11.32	12.00	11.31	12.00
2321	NASDAQ	OSUR	Wed, May 23, 2001	11.39	12.00	11.37	11.95
2320	NASDAQ	OSUR	Tue, May 22, 2001	10.95	11.50	10.78	11.44
2319	NASDAQ	OSUR	Mon, May 21, 2001	10.22	10.80	10.19	10.76
2318	NASDAQ	OSUR	Fri, May 18, 2001	10.02	10.35	9.90	10.24
2317	NASDAQ	OSUR	Thu, May 17, 2001	9.80	10.09	9.76	10.09
2316	NASDAQ	OSUR	Wed, May 16, 2001	9.70	9.85	9.49	9.80
2315	NASDAQ	OSUR	Tue, May 15, 2001	9.44	9.70	9.25	9.60
2314	NASDAQ	OSUR	Mon, May 14, 2001	9.20	9.43	9.10	9.41
2313	NASDAQ	OSUR	Fri, May 11, 2001	9.27	9.39	9.12	9.30
2312	NASDAQ	OSUR	Thu, May 10, 2001	9.47	9.65	9.01	9.30
2311	NASDAQ	OSUR	Wed, May 9, 2001	8.94	9.50	8.75	9.43
2310	NASDAQ	OSUR	Tue, May 8, 2001	8.50	9.00	8.46	9.00
2309	NASDAQ	OSUR	Mon, May 7, 2001	8.93	8.94	8.42	8.52
2308	NASDAQ	OSUR	Fri, May 4, 2001	8.25	8.98	8.15	8.95
2307	NASDAQ	OSUR	Thu, May 3, 2001	8.59	8.60	8.50	8.55
2306	NASDAQ	OSUR	Wed, May 2, 2001	8.46	8.65	8.40	8.65
2305	NASDAQ	OSUR	Tue, May 1, 2001	8.48	8.65	8.45	8.60
2304	NASDAQ	OSUR	Mon, Apr 30, 2001	8.21	8.70	8.18	8.55
2303	NASDAQ	OSUR	Fri, Apr 27, 2001	8.45	8.62	8.21	8.40
2302	NASDAQ	OSUR	Thu, Apr 26, 2001	7.98	8.72	7.98	8.45
2301	NASDAQ	OSUR	Wed, Apr 25, 2001	7.98	8.10	7.77	7.97
2300	NASDAQ	OSUR	Tue, Apr 24, 2001	7.75	7.75	7.61	7.72
2299	NASDAQ	OSUR	Mon, Apr 23, 2001	8.00	8.00	7.55	7.76
2298	NASDAQ	OSUR	Fri, Apr 20, 2001	7.90	8.25	7.67	8.25
2297	NASDAQ	OSUR	Thu, Apr 19, 2001	8.59	8.59	7.65	7.92
2296	NASDAQ	OSUR	Wed, Apr 18, 2001	8.54	8.75	8.35	8.48
2295	NASDAQ	OSUR	Tue, Apr 17, 2001	8.22	8.52	8.22	8.52
2294	NASDAQ	OSUR	Mon, Apr 16, 2001	8.12	8.50	8.10	8.44
2293	NASDAQ	OSUR	Thu, Apr 12, 2001	8.10	8.50	8.01	8.43
2292	NASDAQ	OSUR	Wed, Apr 11, 2001	7.90	8.30	7.90	8.06
2291	NASDAQ	OSUR	Tue, Apr 10, 2001	8.14	8.14	7.75	8.00
2290	NASDAQ	OSUR	Mon, Apr 9, 2001	8.12	8.19	8.00	8.15
2289	NASDAQ	OSUR	Fri, Apr 6, 2001	8.19	8.19	7.94	8.13
2288	NASDAQ	OSUR	Thu, Apr 5, 2001	7.88	8.50	7.75	8.13
2287	NASDAQ	OSUR	Wed, Apr 4, 2001	6.88	7.63	6.75	7.63
2286	NASDAQ	OSUR	Tue, Apr 3, 2001	8.00	8.00	6.69	7.00
2285	NASDAQ	OSUR	Mon, Apr 2, 2001	8.00	8.25	7.94	8.22
2284	NASDAQ	OSUR	Fri, Mar 30, 2001	8.20	8.50	7.88	8.31
2283	NASDAQ	OSUR	Thu, Mar 29, 2001	7.47	8.25	7.00	8.13
2282	NASDAQ	OSUR	Wed, Mar 28, 2001	6.63	7.69	6.63	7.56
2281	NASDAQ	OSUR	Tue, Mar 27, 2001	6.66	6.94	6.13	6.94
2280	NASDAQ	OSUR	Mon, Mar 26, 2001	6.50	6.75	6.38	6.50
2279	NASDAQ	OSUR	Fri, Mar 23, 2001	6.55	7.00	6.13	6.63
2278	NASDAQ	OSUR	Thu, Mar 22, 2001	6.69	6.69	5.88	6.53
2277	NASDAQ	OSUR	Wed, Mar 21, 2001	6.25	7.00	6.19	6.88
2276	NASDAQ	OSUR	Tue, Mar 20, 2001	6.94	6.97	6.19	6.75
2275	NASDAQ	OSUR	Mon, Mar 19, 2001	7.02	7.06	6.38	6.69
2274	NASDAQ	OSUR	Fri, Mar 16, 2001	7.13	7.31	6.06	6.75
2273	NASDAQ	OSUR	Thu, Mar 15, 2001	7.63	7.63	7.06	7.31
2272	NASDAQ	OSUR	Wed, Mar 14, 2001	7.75	7.75	7.13	7.38
2271	NASDAQ	OSUR	Tue, Mar 13, 2001	7.88	8.00	7.75	7.75
2270	NASDAQ	OSUR	Mon, Mar 12, 2001	7.75	8.00	7.75	7.88
2269	NASDAQ	OSUR	Fri, Mar 9, 2001	7.88	8.00	7.75	8.00
2268	NASDAQ	OSUR	Thu, Mar 8, 2001	7.94	8.00	7.75	7.94
2267	NASDAQ	OSUR	Wed, Mar 7, 2001	8.00	8.00	7.63	8.00
2266	NASDAQ	OSUR	Tue, Mar 6, 2001	8.00	8.00	7.88	8.00
2265	NASDAQ	OSUR	Mon, Mar 5, 2001	7.98	8.00	7.75	8.00
2264	NASDAQ	OSUR	Fri, Mar 2, 2001	8.31	8.31	7.88	7.94
2263	NASDAQ	OSUR	Thu, Mar 1, 2001	8.50	8.69	7.88	8.06
2262	NASDAQ	OSUR	Wed, Feb 28, 2001	8.44	8.75	8.38	8.69
2261	NASDAQ	OSUR	Tue, Feb 27, 2001	8.48	8.94	8.25	8.69
2260	NASDAQ	OSUR	Mon, Feb 26, 2001	8.13	8.75	7.88	8.50
2259	NASDAQ	OSUR	Fri, Feb 23, 2001	8.38	8.38	7.88	8.00
2258	NASDAQ	OSUR	Thu, Feb 22, 2001	8.50	8.50	8.00	8.38
2257	NASDAQ	OSUR	Wed, Feb 21, 2001	8.19	8.44	7.88	8.44
2256	NASDAQ	OSUR	Tue, Feb 20, 2001	8.48	8.50	8.00	8.50
2255	NASDAQ	OSUR	Fri, Feb 16, 2001	8.75	8.75	8.13	8.50
2254	NASDAQ	OSUR	Thu, Feb 15, 2001	9.00	9.06	8.41	8.75
2253	NASDAQ	OSUR	Wed, Feb 14, 2001	8.94	8.97	8.13	8.81
2252	NASDAQ	OSUR	Tue, Feb 13, 2001	8.75	9.00	8.38	8.94
2251	NASDAQ	OSUR	Mon, Feb 12, 2001	8.00	9.00	7.75	9.00
2250	NASDAQ	OSUR	Fri, Feb 9, 2001	8.13	8.50	7.50	8.00
2249	NASDAQ	OSUR	Thu, Feb 8, 2001	8.69	8.69	8.00	8.25
2248	NASDAQ	OSUR	Wed, Feb 7, 2001	8.19	9.13	8.00	8.69
2247	NASDAQ	OSUR	Tue, Feb 6, 2001	7.88	8.69	7.88	8.69
2246	NASDAQ	OSUR	Mon, Feb 5, 2001	8.63	8.75	7.63	8.06
2245	NASDAQ	OSUR	Fri, Feb 2, 2001	9.63	9.63	8.13	8.50
2244	NASDAQ	OSUR	Thu, Feb 1, 2001	9.38	9.69	9.13	9.25
2243	NASDAQ	OSUR	Wed, Jan 31, 2001	9.75	9.75	9.38	9.75
2242	NASDAQ	OSUR	Tue, Jan 30, 2001	9.56	9.88	9.25	9.75
2241	NASDAQ	OSUR	Mon, Jan 29, 2001	9.28	9.88	9.13	9.50
2240	NASDAQ	OSUR	Fri, Jan 26, 2001	10.00	10.00	9.13	9.88
2239	NASDAQ	OSUR	Thu, Jan 25, 2001	9.89	9.97	9.38	9.97
2238	NASDAQ	OSUR	Wed, Jan 24, 2001	9.23	9.88	8.88	9.88
2237	NASDAQ	OSUR	Tue, Jan 23, 2001	9.19	10.00	9.19	9.25
2236	NASDAQ	OSUR	Mon, Jan 22, 2001	8.69	9.75	8.50	9.19
2235	NASDAQ	OSUR	Fri, Jan 19, 2001	8.94	9.13	8.50	9.00
2234	NASDAQ	OSUR	Thu, Jan 18, 2001	9.36	9.38	8.75	9.00
2233	NASDAQ	OSUR	Wed, Jan 17, 2001	8.52	9.88	8.50	9.25
2232	NASDAQ	OSUR	Tue, Jan 16, 2001	7.50	9.06	7.44	8.94
2231	NASDAQ	OSUR	Fri, Jan 12, 2001	8.02	8.06	7.88	7.97
2230	NASDAQ	OSUR	Thu, Jan 11, 2001	7.94	8.38	7.88	8.06
2229	NASDAQ	OSUR	Wed, Jan 10, 2001	7.92	8.00	7.69	7.94
2228	NASDAQ	OSUR	Tue, Jan 9, 2001	7.02	7.94	7.00	7.63
2227	NASDAQ	OSUR	Mon, Jan 8, 2001	7.36	7.75	7.00	7.19
2226	NASDAQ	OSUR	Fri, Jan 5, 2001	7.61	8.13	7.00	7.13
2225	NASDAQ	OSUR	Thu, Jan 4, 2001	7.73	7.75	7.25	7.31
2224	NASDAQ	OSUR	Wed, Jan 3, 2001	7.73	7.75	7.00	7.75
2223	NASDAQ	OSUR	Tue, Jan 2, 2001	8.31	8.38	7.53	7.53
2222	NASDAQ	OSUR	Fri, Dec 29, 2000	7.08	8.25	6.88	8.25
2221	NASDAQ	OSUR	Thu, Dec 28, 2000	7.13	7.97	7.00	7.63
2220	NASDAQ	OSUR	Wed, Dec 27, 2000	7.31	7.94	6.75	7.94
2219	NASDAQ	OSUR	Tue, Dec 26, 2000	7.50	7.50	6.75	7.31
2218	NASDAQ	OSUR	Fri, Dec 22, 2000	6.73	7.63	6.63	7.50
2217	NASDAQ	OSUR	Thu, Dec 21, 2000	6.38	6.63	5.94	6.63
2216	NASDAQ	OSUR	Wed, Dec 20, 2000	7.63	7.88	6.00	6.56
2215	NASDAQ	OSUR	Tue, Dec 19, 2000	6.97	8.25	6.97	7.56
2214	NASDAQ	OSUR	Mon, Dec 18, 2000	6.97	7.25	6.97	7.13
2213	NASDAQ	OSUR	Fri, Dec 15, 2000	7.06	7.06	6.94	7.00
2212	NASDAQ	OSUR	Thu, Dec 14, 2000	7.06	7.06	6.94	7.00
2211	NASDAQ	OSUR	Wed, Dec 13, 2000	7.13	7.25	6.94	7.00
2210	NASDAQ	OSUR	Tue, Dec 12, 2000	7.27	7.44	7.06	7.13
2209	NASDAQ	OSUR	Mon, Dec 11, 2000	7.98	8.00	7.06	7.44
2208	NASDAQ	OSUR	Fri, Dec 8, 2000	6.38	8.00	6.38	7.63
2207	NASDAQ	OSUR	Thu, Dec 7, 2000	6.11	6.75	6.06	6.50
2206	NASDAQ	OSUR	Wed, Dec 6, 2000	5.83	6.50	5.83	6.50
2205	NASDAQ	OSUR	Tue, Dec 5, 2000	5.63	6.56	5.63	6.09
2204	NASDAQ	OSUR	Mon, Dec 4, 2000	6.61	6.63	5.63	5.88
2203	NASDAQ	OSUR	Fri, Dec 1, 2000	6.56	6.69	6.38	6.38
2202	NASDAQ	OSUR	Thu, Nov 30, 2000	7.00	7.00	5.56	6.50
2201	NASDAQ	OSUR	Wed, Nov 29, 2000	7.50	7.50	7.00	7.25
2200	NASDAQ	OSUR	Tue, Nov 28, 2000	7.77	8.00	7.25	7.38
2199	NASDAQ	OSUR	Mon, Nov 27, 2000	7.81	8.38	7.69	7.75
2198	NASDAQ	OSUR	Fri, Nov 24, 2000	7.00	8.13	7.00	8.13
2197	NASDAQ	OSUR	Wed, Nov 22, 2000	7.75	7.88	6.94	7.19
2196	NASDAQ	OSUR	Tue, Nov 21, 2000	7.06	7.97	7.06	7.69
2195	NASDAQ	OSUR	Mon, Nov 20, 2000	7.16	7.44	7.16	7.25
2194	NASDAQ	OSUR	Fri, Nov 17, 2000	6.56	7.63	6.50	7.19
2193	NASDAQ	OSUR	Thu, Nov 16, 2000	7.88	7.94	6.06	6.63
2192	NASDAQ	OSUR	Wed, Nov 15, 2000	8.06	8.06	7.88	8.00
2191	NASDAQ	OSUR	Tue, Nov 14, 2000	8.06	8.06	7.75	7.94
2190	NASDAQ	OSUR	Mon, Nov 13, 2000	8.89	9.00	7.63	7.63
2189	NASDAQ	OSUR	Fri, Nov 10, 2000	8.89	9.06	8.88	9.00
2188	NASDAQ	OSUR	Thu, Nov 9, 2000	8.88	9.19	8.88	9.00
2187	NASDAQ	OSUR	Wed, Nov 8, 2000	9.88	9.94	9.00	9.00
2186	NASDAQ	OSUR	Tue, Nov 7, 2000	9.50	10.13	9.38	9.75
2185	NASDAQ	OSUR	Mon, Nov 6, 2000	9.75	9.94	9.44	9.50
2184	NASDAQ	OSUR	Fri, Nov 3, 2000	9.25	9.63	9.25	9.50
2183	NASDAQ	OSUR	Thu, Nov 2, 2000	9.19	9.50	9.19	9.44
2182	NASDAQ	OSUR	Wed, Nov 1, 2000	8.97	9.50	8.94	9.25
2181	NASDAQ	OSUR	Tue, Oct 31, 2000	9.13	9.44	8.88	9.44
2180	NASDAQ	OSUR	Mon, Oct 30, 2000	9.38	9.56	8.13	9.00
2179	NASDAQ	OSUR	Fri, Oct 27, 2000	9.75	10.00	9.63	9.81
2178	NASDAQ	OSUR	Thu, Oct 26, 2000	9.50	10.38	9.50	9.81
2177	NASDAQ	OSUR	Wed, Oct 25, 2000	10.38	10.38	9.13	9.50
2176	NASDAQ	OSUR	Tue, Oct 24, 2000	10.88	11.00	10.44	10.44
2175	NASDAQ	OSUR	Mon, Oct 23, 2000	10.25	11.00	10.13	10.88
2174	NASDAQ	OSUR	Fri, Oct 20, 2000	10.63	10.88	10.31	10.50
2173	NASDAQ	OSUR	Thu, Oct 19, 2000	10.38	10.56	9.94	10.56
2172	NASDAQ	OSUR	Wed, Oct 18, 2000	10.52	10.63	10.00	10.38
2171	NASDAQ	OSUR	Tue, Oct 17, 2000	10.44	11.00	10.38	10.81
2170	NASDAQ	OSUR	Mon, Oct 16, 2000	10.98	10.98	10.44	10.44
2169	NASDAQ	OSUR	Fri, Oct 13, 2000	10.27	11.00	10.27	10.81
2168	NASDAQ	OSUR	Thu, Oct 12, 2000	10.44	10.75	10.00	10.63
2167	NASDAQ	OSUR	Wed, Oct 11, 2000	11.44	11.50	9.50	10.50
2166	NASDAQ	OSUR	Tue, Oct 10, 2000	11.42	11.88	11.38	11.44
2165	NASDAQ	OSUR	Mon, Oct 9, 2000	11.58	11.98	11.38	11.63
2164	NASDAQ	OSUR	Fri, Oct 6, 2000	11.75	12.25	11.56	11.56
2163	NASDAQ	OSUR	Thu, Oct 5, 2000	11.27	11.63	10.88	11.56
2162	NASDAQ	OSUR	Wed, Oct 4, 2000	11.81	11.88	10.63	11.31
2161	NASDAQ	OSUR	Tue, Oct 3, 2000	12.44	12.75	11.50	11.88
2160	NASDAQ	OSUR	Mon, Oct 2, 2000	13.25	13.50	12.13	12.38
2159	NASDAQ	OSUR	Fri, Sep 29, 2000	13.50	13.50	12.75	13.19
2158	NASDAQ	OSUR	Thu, Sep 28, 2000	12.44	13.63	12.25	13.44
2157	NASDAQ	OSUR	Wed, Sep 27, 2000	13.25	13.31	12.75	12.88
2156	NASDAQ	OSUR	Tue, Sep 26, 2000	12.63	13.25	12.25	13.13
2155	NASDAQ	OSUR	Mon, Sep 25, 2000	13.00	13.25	12.50	12.56
2154	NASDAQ	OSUR	Fri, Sep 22, 2000	12.75	13.69	12.63	13.06
2153	NASDAQ	OSUR	Thu, Sep 21, 2000	13.75	13.88	13.63	13.75
2152	NASDAQ	OSUR	Wed, Sep 20, 2000	13.88	13.94	13.56	13.88
2151	NASDAQ	OSUR	Tue, Sep 19, 2000	14.38	14.38	13.88	13.88
2150	NASDAQ	OSUR	Mon, Sep 18, 2000	14.00	14.31	13.75	14.25
2149	NASDAQ	OSUR	Fri, Sep 15, 2000	14.13	14.25	13.75	14.13
2148	NASDAQ	OSUR	Thu, Sep 14, 2000	14.25	14.38	13.75	14.00
2147	NASDAQ	OSUR	Wed, Sep 13, 2000	13.88	14.31	13.38	14.25
2146	NASDAQ	OSUR	Tue, Sep 12, 2000	13.56	14.25	13.53	14.06
2145	NASDAQ	OSUR	Mon, Sep 11, 2000	14.00	14.88	13.88	13.88
2144	NASDAQ	OSUR	Fri, Sep 8, 2000	13.69	14.00	13.38	14.00
2143	NASDAQ	OSUR	Thu, Sep 7, 2000	13.28	13.75	13.19	13.63
2142	NASDAQ	OSUR	Wed, Sep 6, 2000	13.19	13.50	12.88	13.25
2141	NASDAQ	OSUR	Tue, Sep 5, 2000	13.00	13.50	12.88	13.19
2140	NASDAQ	OSUR	Fri, Sep 1, 2000	13.00	13.06	12.56	13.06
2139	NASDAQ	OSUR	Thu, Aug 31, 2000	12.75	13.38	12.56	12.63
2138	NASDAQ	OSUR	Wed, Aug 30, 2000	12.56	12.75	12.44	12.56
2137	NASDAQ	OSUR	Tue, Aug 29, 2000	12.13	12.63	12.13	12.56
2136	NASDAQ	OSUR	Mon, Aug 28, 2000	12.69	12.69	11.94	11.94
2135	NASDAQ	OSUR	Fri, Aug 25, 2000	12.44	12.63	12.00	12.50
2134	NASDAQ	OSUR	Thu, Aug 24, 2000	11.75	12.75	11.75	12.13
2133	NASDAQ	OSUR	Wed, Aug 23, 2000	11.88	12.56	11.63	11.75
2132	NASDAQ	OSUR	Tue, Aug 22, 2000	12.50	13.25	12.19	12.75
2131	NASDAQ	OSUR	Mon, Aug 21, 2000	12.25	13.38	12.16	13.00
2130	NASDAQ	OSUR	Fri, Aug 18, 2000	11.38	12.63	11.31	12.25
2129	NASDAQ	OSUR	Thu, Aug 17, 2000	11.00	11.81	11.00	11.44
2128	NASDAQ	OSUR	Wed, Aug 16, 2000	10.94	11.25	10.75	11.19
2127	NASDAQ	OSUR	Tue, Aug 15, 2000	11.75	11.75	9.94	11.00
2126	NASDAQ	OSUR	Mon, Aug 14, 2000	12.16	12.38	11.50	11.50
2125	NASDAQ	OSUR	Fri, Aug 11, 2000	12.38	12.50	11.88	12.25
2124	NASDAQ	OSUR	Thu, Aug 10, 2000	12.50	12.75	12.38	12.38
2123	NASDAQ	OSUR	Wed, Aug 9, 2000	13.25	13.63	12.50	12.63
2122	NASDAQ	OSUR	Tue, Aug 8, 2000	13.06	13.75	13.00	13.38
2121	NASDAQ	OSUR	Mon, Aug 7, 2000	13.00	13.38	12.75	13.00
2120	NASDAQ	OSUR	Fri, Aug 4, 2000	12.81	13.50	12.81	13.00
2119	NASDAQ	OSUR	Thu, Aug 3, 2000	12.50	13.25	12.00	13.19
2118	NASDAQ	OSUR	Wed, Aug 2, 2000	13.63	13.63	12.38	12.88
2117	NASDAQ	OSUR	Tue, Aug 1, 2000	12.53	14.00	12.00	13.63
2116	NASDAQ	OSUR	Mon, Jul 31, 2000	12.50	12.88	12.38	12.56
2115	NASDAQ	OSUR	Fri, Jul 28, 2000	13.50	13.81	12.25	12.50
2114	NASDAQ	OSUR	Thu, Jul 27, 2000	12.75	14.25	12.50	13.06
2113	NASDAQ	OSUR	Wed, Jul 26, 2000	12.88	12.88	12.38	12.38
2112	NASDAQ	OSUR	Tue, Jul 25, 2000	12.75	12.81	12.25	12.69
2111	NASDAQ	OSUR	Mon, Jul 24, 2000	13.00	13.25	12.44	12.69
2110	NASDAQ	OSUR	Fri, Jul 21, 2000	12.50	13.25	12.50	13.13
2109	NASDAQ	OSUR	Thu, Jul 20, 2000	12.75	13.50	12.75	13.00
2108	NASDAQ	OSUR	Wed, Jul 19, 2000	13.38	13.75	12.75	13.06
2107	NASDAQ	OSUR	Tue, Jul 18, 2000	12.50	14.75	12.25	13.94
2106	NASDAQ	OSUR	Mon, Jul 17, 2000	13.75	13.75	12.63	12.88
2105	NASDAQ	OSUR	Fri, Jul 14, 2000	13.50	13.75	13.44	13.50
2104	NASDAQ	OSUR	Thu, Jul 13, 2000	13.88	14.13	13.25	13.50
2103	NASDAQ	OSUR	Wed, Jul 12, 2000	14.38	14.63	13.75	14.00
2102	NASDAQ	OSUR	Tue, Jul 11, 2000	14.63	14.88	13.63	14.31
2101	NASDAQ	OSUR	Mon, Jul 10, 2000	15.88	15.94	14.13	14.69
2100	NASDAQ	OSUR	Fri, Jul 7, 2000	14.69	15.38	14.38	15.13
2099	NASDAQ	OSUR	Thu, Jul 6, 2000	13.81	14.50	13.50	14.50
2098	NASDAQ	OSUR	Wed, Jul 5, 2000	13.44	14.00	13.31	13.50
2097	NASDAQ	OSUR	Mon, Jul 3, 2000	13.13	13.75	13.06	13.63
2096	NASDAQ	OSUR	Fri, Jun 30, 2000	13.63	14.00	13.25	13.75
2095	NASDAQ	OSUR	Thu, Jun 29, 2000	13.94	13.94	13.38	13.81
2094	NASDAQ	OSUR	Wed, Jun 28, 2000	13.94	14.00	13.50	13.75
2093	NASDAQ	OSUR	Tue, Jun 27, 2000	13.41	13.75	13.00	13.63
2092	NASDAQ	OSUR	Mon, Jun 26, 2000	12.94	13.25	12.63	13.13
2091	NASDAQ	OSUR	Fri, Jun 23, 2000	13.25	13.44	12.25	12.50
2090	NASDAQ	OSUR	Thu, Jun 22, 2000	12.94	13.75	12.63	12.88
2089	NASDAQ	OSUR	Wed, Jun 21, 2000	12.88	14.38	12.38	13.75
2088	NASDAQ	OSUR	Tue, Jun 20, 2000	12.38	12.75	12.00	12.63
2087	NASDAQ	OSUR	Mon, Jun 19, 2000	11.63	12.38	11.50	12.06
2086	NASDAQ	OSUR	Fri, Jun 16, 2000	12.50	12.75	11.69	11.69
2085	NASDAQ	OSUR	Thu, Jun 15, 2000	12.00	12.50	11.63	12.50
2084	NASDAQ	OSUR	Wed, Jun 14, 2000	11.75	12.00	11.25	11.88
2083	NASDAQ	OSUR	Tue, Jun 13, 2000	11.88	11.94	10.88	11.63
2082	NASDAQ	OSUR	Mon, Jun 12, 2000	12.00	12.13	11.50	11.75
2081	NASDAQ	OSUR	Fri, Jun 9, 2000	12.19	12.25	11.81	11.94
2080	NASDAQ	OSUR	Thu, Jun 8, 2000	11.41	12.75	11.25	11.81
2079	NASDAQ	OSUR	Wed, Jun 7, 2000	11.22	11.50	11.00	11.38
2078	NASDAQ	OSUR	Tue, Jun 6, 2000	10.69	11.50	10.38	11.19
2077	NASDAQ	OSUR	Mon, Jun 5, 2000	10.75	11.56	10.63	10.81
2076	NASDAQ	OSUR	Fri, Jun 2, 2000	11.13	11.50	10.50	10.75
2075	NASDAQ	OSUR	Thu, Jun 1, 2000	10.38	11.00	10.38	11.00
2074	NASDAQ	OSUR	Wed, May 31, 2000	10.38	10.63	10.38	10.38
2073	NASDAQ	OSUR	Tue, May 30, 2000	9.50	11.00	9.44	10.50
2072	NASDAQ	OSUR	Fri, May 26, 2000	8.94	9.38	8.88	9.38
2071	NASDAQ	OSUR	Thu, May 25, 2000	8.75	9.00	8.50	8.63
2070	NASDAQ	OSUR	Wed, May 24, 2000	9.25	9.25	8.25	8.50
2069	NASDAQ	OSUR	Tue, May 23, 2000	9.63	10.00	9.25	9.25
2068	NASDAQ	OSUR	Mon, May 22, 2000	9.94	10.81	9.25	9.63
2067	NASDAQ	OSUR	Fri, May 19, 2000	9.66	10.44	9.64	10.06
2066	NASDAQ	OSUR	Thu, May 18, 2000	9.81	10.00	9.63	9.94
2065	NASDAQ	OSUR	Wed, May 17, 2000	9.88	10.13	9.50	9.81
2064	NASDAQ	OSUR	Tue, May 16, 2000	10.00	10.19	9.63	9.88
2063	NASDAQ	OSUR	Mon, May 15, 2000	10.25	10.50	9.94	10.13
2062	NASDAQ	OSUR	Fri, May 12, 2000	10.13	10.31	10.06	10.06
2061	NASDAQ	OSUR	Thu, May 11, 2000	9.94	10.13	9.88	10.00
2060	NASDAQ	OSUR	Wed, May 10, 2000	10.00	10.50	9.25	10.00
2059	NASDAQ	OSUR	Tue, May 9, 2000	11.56	11.56	9.63	10.75
2058	NASDAQ	OSUR	Mon, May 8, 2000	12.38	12.81	11.00	11.56
2057	NASDAQ	OSUR	Fri, May 5, 2000	11.50	12.88	11.25	12.75
2056	NASDAQ	OSUR	Thu, May 4, 2000	10.00	12.13	9.63	11.50
2055	NASDAQ	OSUR	Wed, May 3, 2000	10.13	10.38	9.22	9.63
2054	NASDAQ	OSUR	Tue, May 2, 2000	10.13	10.13	9.75	9.94
2053	NASDAQ	OSUR	Mon, May 1, 2000	9.00	10.50	8.88	10.50
2052	NASDAQ	OSUR	Fri, Apr 28, 2000	8.00	8.75	7.88	8.75
2051	NASDAQ	OSUR	Thu, Apr 27, 2000	7.19	8.25	7.13	7.63
2050	NASDAQ	OSUR	Wed, Apr 26, 2000	7.81	8.25	7.00	7.50
2049	NASDAQ	OSUR	Tue, Apr 25, 2000	7.81	8.31	7.13	7.94
2048	NASDAQ	OSUR	Mon, Apr 24, 2000	8.63	9.00	7.75	8.00
2047	NASDAQ	OSUR	Thu, Apr 20, 2000	8.50	9.13	8.25	8.80
2046	NASDAQ	OSUR	Wed, Apr 19, 2000	8.56	9.13	8.06	8.31
2045	NASDAQ	OSUR	Tue, Apr 18, 2000	7.63	8.50	7.50	8.06
2044	NASDAQ	OSUR	Mon, Apr 17, 2000	7.44	8.13	7.13	7.38
2043	NASDAQ	OSUR	Fri, Apr 14, 2000	8.88	9.00	7.19	7.75
2042	NASDAQ	OSUR	Thu, Apr 13, 2000	8.78	9.31	8.31	8.63
2041	NASDAQ	OSUR	Wed, Apr 12, 2000	9.81	9.88	8.63	8.88
2040	NASDAQ	OSUR	Tue, Apr 11, 2000	10.50	10.50	9.50	9.75
2039	NASDAQ	OSUR	Mon, Apr 10, 2000	11.13	11.50	10.75	10.75
2038	NASDAQ	OSUR	Fri, Apr 7, 2000	10.50	11.00	10.44	11.00
2037	NASDAQ	OSUR	Thu, Apr 6, 2000	9.97	10.50	9.75	10.25
2036	NASDAQ	OSUR	Wed, Apr 5, 2000	8.63	10.00	8.63	10.00
2035	NASDAQ	OSUR	Tue, Apr 4, 2000	10.25	10.50	7.50	9.00
2034	NASDAQ	OSUR	Mon, Apr 3, 2000	9.38	11.19	9.38	10.13
2033	NASDAQ	OSUR	Fri, Mar 31, 2000	9.44	9.69	9.25	9.38
2032	NASDAQ	OSUR	Thu, Mar 30, 2000	10.50	11.13	9.38	9.50
2031	NASDAQ	OSUR	Wed, Mar 29, 2000	10.56	11.44	10.50	11.13
2030	NASDAQ	OSUR	Tue, Mar 28, 2000	12.19	12.38	10.25	11.06
2029	NASDAQ	OSUR	Mon, Mar 27, 2000	13.13	13.13	12.00	12.19
2028	NASDAQ	OSUR	Fri, Mar 24, 2000	12.94	13.06	12.88	13.00
2027	NASDAQ	OSUR	Thu, Mar 23, 2000	13.25	13.25	12.88	13.00
2026	NASDAQ	OSUR	Wed, Mar 22, 2000	12.63	13.38	12.63	13.00
2025	NASDAQ	OSUR	Tue, Mar 21, 2000	12.88	13.13	12.38	13.00
2024	NASDAQ	OSUR	Mon, Mar 20, 2000	14.00	14.00	12.50	13.13
2023	NASDAQ	OSUR	Fri, Mar 17, 2000	13.81	14.25	13.63	14.06
2022	NASDAQ	OSUR	Thu, Mar 16, 2000	13.97	15.00	13.75	13.94
2021	NASDAQ	OSUR	Wed, Mar 15, 2000	13.66	14.75	12.38	14.50
2020	NASDAQ	OSUR	Tue, Mar 14, 2000	16.63	17.38	14.00	14.00
2019	NASDAQ	OSUR	Mon, Mar 13, 2000	17.56	17.56	16.50	17.00
2018	NASDAQ	OSUR	Fri, Mar 10, 2000	17.88	18.19	16.75	16.94
2017	NASDAQ	OSUR	Thu, Mar 9, 2000	15.00	17.50	14.75	16.75
2016	NASDAQ	OSUR	Wed, Mar 8, 2000	14.06	15.00	13.75	14.88
2015	NASDAQ	OSUR	Tue, Mar 7, 2000	14.94	15.00	13.63	14.13
2014	NASDAQ	OSUR	Mon, Mar 6, 2000	14.38	15.50	14.19	14.88
2013	NASDAQ	OSUR	Fri, Mar 3, 2000	13.88	14.38	13.75	14.00
2012	NASDAQ	OSUR	Thu, Mar 2, 2000	13.25	13.88	12.75	13.50
2011	NASDAQ	OSUR	Wed, Mar 1, 2000	11.88	13.56	11.69	13.00
2010	NASDAQ	OSUR	Tue, Feb 29, 2000	11.50	12.00	10.88	11.88
2009	NASDAQ	OSUR	Mon, Feb 28, 2000	11.75	12.00	11.19	11.25
2008	NASDAQ	OSUR	Fri, Feb 25, 2000	11.75	12.50	11.63	11.69
2007	NASDAQ	OSUR	Thu, Feb 24, 2000	11.25	11.75	11.13	11.69
2006	NASDAQ	OSUR	Wed, Feb 23, 2000	11.13	11.25	10.88	11.00
2005	NASDAQ	OSUR	Tue, Feb 22, 2000	11.13	11.63	10.88	11.25
2004	NASDAQ	OSUR	Fri, Feb 18, 2000	12.25	12.38	10.63	11.00
2003	NASDAQ	OSUR	Thu, Feb 17, 2000	10.75	12.25	10.25	12.00
2002	NASDAQ	OSUR	Wed, Feb 16, 2000	10.13	11.00	9.94	10.25
2001	NASDAQ	OSUR	Tue, Feb 15, 2000	10.22	10.25	9.81	10.13
2000	NASDAQ	OSUR	Mon, Feb 14, 2000	10.69	10.81	10.00	10.25
1999	NASDAQ	OSUR	Fri, Feb 11, 2000	10.69	11.38	10.63	10.81
1998	NASDAQ	OSUR	Thu, Feb 10, 2000	10.00	11.50	9.81	11.50
1997	NASDAQ	OSUR	Wed, Feb 9, 2000	9.75	10.00	9.69	10.00
1996	NASDAQ	OSUR	Tue, Feb 8, 2000	10.00	10.00	9.38	9.75
1995	NASDAQ	OSUR	Mon, Feb 7, 2000	10.25	10.31	9.75	10.00
1994	NASDAQ	OSUR	Fri, Feb 4, 2000	9.50	10.13	9.38	10.13
1993	NASDAQ	OSUR	Thu, Feb 3, 2000	9.47	9.69	9.00	9.50
1992	NASDAQ	OSUR	Wed, Feb 2, 2000	9.31	9.63	8.75	9.25
1991	NASDAQ	OSUR	Tue, Feb 1, 2000	8.31	9.25	8.00	9.00
1990	NASDAQ	OSUR	Mon, Jan 31, 2000	9.56	9.75	8.00	8.88
1989	NASDAQ	OSUR	Fri, Jan 28, 2000	10.00	10.00	9.25	9.38
1988	NASDAQ	OSUR	Thu, Jan 27, 2000	10.00	10.38	9.50	9.50
1987	NASDAQ	OSUR	Wed, Jan 26, 2000	9.56	10.69	9.56	10.00
1986	NASDAQ	OSUR	Tue, Jan 25, 2000	10.69	10.75	9.25	9.69
1985	NASDAQ	OSUR	Mon, Jan 24, 2000	11.44	11.63	10.25	10.25
1984	NASDAQ	OSUR	Fri, Jan 21, 2000	9.94	11.50	9.94	11.19
1983	NASDAQ	OSUR	Thu, Jan 20, 2000	10.63	10.63	9.25	9.75
1982	NASDAQ	OSUR	Wed, Jan 19, 2000	10.38	10.88	10.00	10.31
1981	NASDAQ	OSUR	Tue, Jan 18, 2000	8.94	10.25	8.63	9.75
1980	NASDAQ	OSUR	Fri, Jan 14, 2000	8.56	9.00	8.50	9.00
1979	NASDAQ	OSUR	Thu, Jan 13, 2000	7.81	8.63	7.63	8.50
1978	NASDAQ	OSUR	Wed, Jan 12, 2000	7.75	8.13	7.38	7.94
1977	NASDAQ	OSUR	Tue, Jan 11, 2000	8.38	8.63	7.13	7.25
1976	NASDAQ	OSUR	Mon, Jan 10, 2000	8.06	9.00	7.75	8.13
1975	NASDAQ	OSUR	Fri, Jan 7, 2000	7.00	8.38	6.97	7.88
1974	NASDAQ	OSUR	Thu, Jan 6, 2000	6.13	7.25	6.06	7.06
1973	NASDAQ	OSUR	Wed, Jan 5, 2000	6.00	6.25	6.00	6.13
1972	NASDAQ	OSUR	Tue, Jan 4, 2000	6.38	6.44	5.56	6.13
1971	NASDAQ	OSUR	Mon, Jan 3, 2000	6.88	6.94	6.25	6.44
1970	NASDAQ	OSUR	Fri, Dec 31, 1999	6.81	7.00	6.28	6.50
1969	NASDAQ	OSUR	Thu, Dec 30, 1999	6.56	7.00	6.25	6.75
1968	NASDAQ	OSUR	Wed, Dec 29, 1999	6.44	7.22	6.25	6.63
1967	NASDAQ	OSUR	Tue, Dec 28, 1999	6.13	7.00	6.13	6.38
1966	NASDAQ	OSUR	Mon, Dec 27, 1999	5.75	6.38	5.75	6.00
1965	NASDAQ	OSUR	Thu, Dec 23, 1999	5.44	5.88	5.25	5.63
1964	NASDAQ	OSUR	Wed, Dec 22, 1999	5.44	5.56	5.25	5.38
1963	NASDAQ	OSUR	Tue, Dec 21, 1999	5.13	5.53	5.06	5.50
1962	NASDAQ	OSUR	Mon, Dec 20, 1999	5.13	5.25	5.06	5.06
1961	NASDAQ	OSUR	Fri, Dec 17, 1999	5.38	5.38	5.00	5.25
1960	NASDAQ	OSUR	Thu, Dec 16, 1999	5.19	5.38	5.13	5.19
1959	NASDAQ	OSUR	Wed, Dec 15, 1999	5.44	5.44	5.06	5.25
1958	NASDAQ	OSUR	Tue, Dec 14, 1999	5.19	5.44	5.13	5.25
1957	NASDAQ	OSUR	Mon, Dec 13, 1999	5.50	5.56	5.19	5.25
1956	NASDAQ	OSUR	Fri, Dec 10, 1999	4.81	5.50	4.75	5.44
1955	NASDAQ	OSUR	Thu, Dec 9, 1999	4.81	5.06	4.75	4.75
1954	NASDAQ	OSUR	Wed, Dec 8, 1999	4.97	5.06	4.75	4.81
1953	NASDAQ	OSUR	Tue, Dec 7, 1999	5.00	5.19	4.94	5.00
1952	NASDAQ	OSUR	Mon, Dec 6, 1999	5.50	5.50	4.94	5.06
1951	NASDAQ	OSUR	Fri, Dec 3, 1999	5.56	5.56	5.25	5.38
1950	NASDAQ	OSUR	Thu, Dec 2, 1999	5.31	5.75	5.25	5.44
1949	NASDAQ	OSUR	Wed, Dec 1, 1999	4.63	5.44	4.56	5.25
1948	NASDAQ	OSUR	Tue, Nov 30, 1999	4.50	4.63	4.47	4.56
1947	NASDAQ	OSUR	Mon, Nov 29, 1999	4.56	4.69	4.38	4.56
1946	NASDAQ	OSUR	Fri, Nov 26, 1999	4.63	4.75	4.56	4.56
1945	NASDAQ	OSUR	Wed, Nov 24, 1999	4.81	4.81	4.63	4.69
1944	NASDAQ	OSUR	Tue, Nov 23, 1999	4.81	4.81	4.44	4.75
1943	NASDAQ	OSUR	Mon, Nov 22, 1999	4.75	4.88	4.41	4.75
1942	NASDAQ	OSUR	Fri, Nov 19, 1999	4.75	4.81	4.50	4.63
1941	NASDAQ	OSUR	Thu, Nov 18, 1999	4.88	4.88	4.44	4.81
1940	NASDAQ	OSUR	Wed, Nov 17, 1999	5.00	5.13	4.69	4.75
1939	NASDAQ	OSUR	Tue, Nov 16, 1999	4.69	4.88	4.50	4.88
1938	NASDAQ	OSUR	Mon, Nov 15, 1999	4.63	4.69	4.38	4.69
1937	NASDAQ	OSUR	Fri, Nov 12, 1999	4.41	4.63	4.41	4.44
1936	NASDAQ	OSUR	Thu, Nov 11, 1999	4.63	4.63	4.41	4.50
1935	NASDAQ	OSUR	Wed, Nov 10, 1999	4.56	4.69	4.38	4.50
1934	NASDAQ	OSUR	Tue, Nov 9, 1999	4.69	4.94	4.56	4.69
1933	NASDAQ	OSUR	Mon, Nov 8, 1999	4.69	4.91	4.69	4.81
1932	NASDAQ	OSUR	Fri, Nov 5, 1999	4.94	4.94	4.50	4.81
1931	NASDAQ	OSUR	Thu, Nov 4, 1999	4.63	5.00	4.50	4.94
1930	NASDAQ	OSUR	Wed, Nov 3, 1999	5.00	5.00	4.63	4.69
1929	NASDAQ	OSUR	Tue, Nov 2, 1999	4.94	5.06	4.75	5.00
1928	NASDAQ	OSUR	Mon, Nov 1, 1999	5.06	5.06	4.63	4.63
1927	NASDAQ	OSUR	Fri, Oct 29, 1999	4.63	5.25	4.63	5.06
1926	NASDAQ	OSUR	Thu, Oct 28, 1999	4.75	5.00	4.63	4.63
1925	NASDAQ	OSUR	Wed, Oct 27, 1999	4.75	4.94	4.69	4.88
1924	NASDAQ	OSUR	Tue, Oct 26, 1999	4.88	5.00	4.63	4.88
1923	NASDAQ	OSUR	Mon, Oct 25, 1999	5.00	5.13	4.88	5.00
1922	NASDAQ	OSUR	Fri, Oct 22, 1999	5.00	5.06	4.75	4.94
1921	NASDAQ	OSUR	Thu, Oct 21, 1999	5.00	5.00	4.63	4.88
1920	NASDAQ	OSUR	Wed, Oct 20, 1999	4.75	4.94	4.63	4.91
1919	NASDAQ	OSUR	Tue, Oct 19, 1999	4.63	4.88	4.63	4.75
1918	NASDAQ	OSUR	Mon, Oct 18, 1999	4.88	4.88	4.50	4.56
1917	NASDAQ	OSUR	Fri, Oct 15, 1999	5.00	5.00	4.75	4.75
1916	NASDAQ	OSUR	Thu, Oct 14, 1999	5.13	5.13	4.88	5.00
1915	NASDAQ	OSUR	Wed, Oct 13, 1999	5.16	5.25	5.03	5.03
1914	NASDAQ	OSUR	Tue, Oct 12, 1999	4.88	5.00	4.88	5.00
1913	NASDAQ	OSUR	Mon, Oct 11, 1999	5.38	5.38	4.88	5.13
1912	NASDAQ	OSUR	Fri, Oct 8, 1999	5.00	5.25	4.75	5.25
1911	NASDAQ	OSUR	Thu, Oct 7, 1999	5.25	5.50	5.00	5.00
1910	NASDAQ	OSUR	Wed, Oct 6, 1999	5.31	5.50	4.75	4.94
1909	NASDAQ	OSUR	Tue, Oct 5, 1999	5.41	5.75	5.25	5.38
1908	NASDAQ	OSUR	Mon, Oct 4, 1999	6.25	6.25	5.25	5.44
1907	NASDAQ	OSUR	Fri, Oct 1, 1999	6.63	6.75	6.38	6.44
1906	NASDAQ	OSUR	Thu, Sep 30, 1999	6.38	6.75	6.25	6.75
1905	NASDAQ	OSUR	Wed, Sep 29, 1999	6.00	6.38	6.00	6.25
1904	NASDAQ	OSUR	Tue, Sep 28, 1999	5.69	6.00	5.63	6.00
1903	NASDAQ	OSUR	Mon, Sep 27, 1999	6.19	6.19	5.69	5.88
1902	NASDAQ	OSUR	Fri, Sep 24, 1999	6.00	6.13	5.88	5.88
1901	NASDAQ	OSUR	Thu, Sep 23, 1999	6.50	6.50	6.00	6.13
1900	NASDAQ	OSUR	Wed, Sep 22, 1999	6.69	6.94	6.41	6.75
1899	NASDAQ	OSUR	Tue, Sep 21, 1999	7.00	7.00	6.69	6.75
1898	NASDAQ	OSUR	Mon, Sep 20, 1999	6.44	7.00	6.44	6.97
1897	NASDAQ	OSUR	Fri, Sep 17, 1999	7.06	7.13	6.50	7.00
1896	NASDAQ	OSUR	Thu, Sep 16, 1999	7.00	7.13	6.75	6.94
1895	NASDAQ	OSUR	Wed, Sep 15, 1999	7.06	7.06	6.75	6.88
1894	NASDAQ	OSUR	Tue, Sep 14, 1999	7.00	7.13	6.69	7.13
1893	NASDAQ	OSUR	Mon, Sep 13, 1999	7.06	7.25	6.63	6.69
1892	NASDAQ	OSUR	Fri, Sep 10, 1999	6.75	7.25	6.50	7.06
1891	NASDAQ	OSUR	Thu, Sep 9, 1999	6.75	6.75	6.38	6.75
1890	NASDAQ	OSUR	Wed, Sep 8, 1999	6.50	6.75	6.44	6.63
1889	NASDAQ	OSUR	Tue, Sep 7, 1999	6.75	7.25	6.56	6.88
1888	NASDAQ	OSUR	Fri, Sep 3, 1999	7.09	7.31	6.63	7.13
1887	NASDAQ	OSUR	Thu, Sep 2, 1999	7.44	7.44	7.00	7.00
1886	NASDAQ	OSUR	Wed, Sep 1, 1999	7.25	7.50	7.13	7.44
1885	NASDAQ	OSUR	Tue, Aug 31, 1999	7.47	7.50	6.81	7.38
1884	NASDAQ	OSUR	Mon, Aug 30, 1999	7.50	7.50	6.75	7.44
1883	NASDAQ	OSUR	Fri, Aug 27, 1999	6.94	7.50	6.75	7.50
1882	NASDAQ	OSUR	Thu, Aug 26, 1999	6.50	7.00	6.38	6.88
1881	NASDAQ	OSUR	Wed, Aug 25, 1999	6.25	6.56	6.25	6.50
1880	NASDAQ	OSUR	Tue, Aug 24, 1999	6.50	6.50	6.13	6.25
1879	NASDAQ	OSUR	Mon, Aug 23, 1999	6.63	6.63	6.38	6.50
1878	NASDAQ	OSUR	Fri, Aug 20, 1999	6.25	6.94	5.88	6.63
1877	NASDAQ	OSUR	Thu, Aug 19, 1999	6.00	6.25	5.75	6.00
1876	NASDAQ	OSUR	Wed, Aug 18, 1999	6.00	6.25	5.94	6.13
1875	NASDAQ	OSUR	Tue, Aug 17, 1999	5.81	6.00	5.75	6.00
1874	NASDAQ	OSUR	Mon, Aug 16, 1999	6.38	6.38	5.75	6.25
1873	NASDAQ	OSUR	Fri, Aug 13, 1999	5.75	6.25	5.56	6.00
1872	NASDAQ	OSUR	Thu, Aug 12, 1999	5.69	6.13	5.31	5.75
1871	NASDAQ	OSUR	Wed, Aug 11, 1999	5.13	5.88	5.13	5.88
1870	NASDAQ	OSUR	Tue, Aug 10, 1999	5.25	5.25	4.88	4.94
1869	NASDAQ	OSUR	Mon, Aug 9, 1999	5.25	5.44	5.19	5.38
1868	NASDAQ	OSUR	Fri, Aug 6, 1999	5.13	5.50	5.13	5.19
1867	NASDAQ	OSUR	Thu, Aug 5, 1999	5.75	5.75	5.00	5.25
1866	NASDAQ	OSUR	Wed, Aug 4, 1999	5.88	6.00	5.31	5.44
1865	NASDAQ	OSUR	Tue, Aug 3, 1999	5.88	6.00	5.50	5.75
1864	NASDAQ	OSUR	Mon, Aug 2, 1999	6.19	6.25	5.63	5.88
1863	NASDAQ	OSUR	Fri, Jul 30, 1999	5.81	6.63	5.81	6.50
1862	NASDAQ	OSUR	Thu, Jul 29, 1999	5.63	5.94	5.44	5.88
1861	NASDAQ	OSUR	Wed, Jul 28, 1999	5.38	5.88	5.38	5.88
1860	NASDAQ	OSUR	Tue, Jul 27, 1999	5.13	5.50	5.00	5.50
1859	NASDAQ	OSUR	Mon, Jul 26, 1999	5.31	5.38	5.13	5.13
1858	NASDAQ	OSUR	Fri, Jul 23, 1999	5.38	5.63	5.31	5.38
1857	NASDAQ	OSUR	Thu, Jul 22, 1999	5.31	5.63	5.31	5.38
1856	NASDAQ	OSUR	Wed, Jul 21, 1999	5.38	5.44	5.31	5.31
1855	NASDAQ	OSUR	Tue, Jul 20, 1999	5.50	5.63	5.38	5.38
1854	NASDAQ	OSUR	Mon, Jul 19, 1999	5.50	5.63	5.50	5.50
1853	NASDAQ	OSUR	Fri, Jul 16, 1999	5.50	5.75	5.50	5.75
1852	NASDAQ	OSUR	Thu, Jul 15, 1999	5.75	5.75	5.50	5.50
1851	NASDAQ	OSUR	Wed, Jul 14, 1999	5.63	5.75	5.50	5.75
1850	NASDAQ	OSUR	Tue, Jul 13, 1999	5.38	5.75	5.38	5.56
1849	NASDAQ	OSUR	Mon, Jul 12, 1999	5.44	5.75	5.44	5.75
1848	NASDAQ	OSUR	Fri, Jul 9, 1999	5.69	5.75	5.38	5.75
1847	NASDAQ	OSUR	Thu, Jul 8, 1999	5.75	5.75	5.50	5.63
1846	NASDAQ	OSUR	Wed, Jul 7, 1999	5.50	5.81	5.38	5.63
1845	NASDAQ	OSUR	Tue, Jul 6, 1999	5.75	5.88	5.25	5.50
1844	NASDAQ	OSUR	Fri, Jul 2, 1999	5.75	5.88	5.75	5.75
1843	NASDAQ	OSUR	Thu, Jul 1, 1999	5.63	6.00	5.63	5.75
1842	NASDAQ	OSUR	Wed, Jun 30, 1999	5.64	6.06	5.28	5.88
1841	NASDAQ	OSUR	Tue, Jun 29, 1999	5.75	6.06	5.50	5.75
1840	NASDAQ	OSUR	Mon, Jun 28, 1999	5.25	5.75	5.25	5.63
1839	NASDAQ	OSUR	Fri, Jun 25, 1999	5.28	5.72	5.28	5.63
1838	NASDAQ	OSUR	Thu, Jun 24, 1999	5.25	5.50	5.25	5.50
1837	NASDAQ	OSUR	Wed, Jun 23, 1999	5.63	5.75	5.25	5.63
1836	NASDAQ	OSUR	Tue, Jun 22, 1999	5.88	5.88	5.19	5.63
1835	NASDAQ	OSUR	Mon, Jun 21, 1999	5.75	5.94	5.56	5.75
1834	NASDAQ	OSUR	Fri, Jun 18, 1999	5.88	6.00	5.69	5.81
1833	NASDAQ	OSUR	Thu, Jun 17, 1999	5.38	5.88	5.38	5.88
1832	NASDAQ	OSUR	Wed, Jun 16, 1999	4.88	5.50	4.88	5.50
1831	NASDAQ	OSUR	Tue, Jun 15, 1999	4.88	5.00	4.88	4.88
1830	NASDAQ	OSUR	Mon, Jun 14, 1999	4.88	5.13	4.88	5.00
1829	NASDAQ	OSUR	Fri, Jun 11, 1999	5.00	5.13	4.88	5.00
1828	NASDAQ	OSUR	Thu, Jun 10, 1999	5.25	5.25	5.00	5.00
1827	NASDAQ	OSUR	Wed, Jun 9, 1999	5.23	5.38	4.81	5.06
1826	NASDAQ	OSUR	Tue, Jun 8, 1999	5.50	5.50	5.00	5.13
1825	NASDAQ	OSUR	Mon, Jun 7, 1999	5.56	5.56	5.25	5.25
1824	NASDAQ	OSUR	Fri, Jun 4, 1999	5.56	5.63	5.25	5.25
1823	NASDAQ	OSUR	Thu, Jun 3, 1999	5.75	5.88	5.00	5.38
1822	NASDAQ	OSUR	Wed, Jun 2, 1999	5.94	5.94	5.06	5.69
1821	NASDAQ	OSUR	Tue, Jun 1, 1999	5.91	6.06	5.75	5.75
1820	NASDAQ	OSUR	Fri, May 28, 1999	5.63	6.13	5.63	6.00
1819	NASDAQ	OSUR	Thu, May 27, 1999	5.88	6.00	5.75	5.75
1818	NASDAQ	OSUR	Wed, May 26, 1999	5.88	6.00	5.75	5.94
1817	NASDAQ	OSUR	Tue, May 25, 1999	5.81	6.00	5.81	5.81
1816	NASDAQ	OSUR	Mon, May 24, 1999	5.75	6.00	5.50	5.81
1815	NASDAQ	OSUR	Fri, May 21, 1999	5.72	5.75	5.38	5.69
1814	NASDAQ	OSUR	Thu, May 20, 1999	5.75	5.88	5.38	5.50
1813	NASDAQ	OSUR	Wed, May 19, 1999	5.75	5.97	5.25	5.75
1812	NASDAQ	OSUR	Tue, May 18, 1999	5.19	6.00	5.13	5.75
1811	NASDAQ	OSUR	Mon, May 17, 1999	4.50	5.13	4.50	4.75
1810	NASDAQ	OSUR	Fri, May 14, 1999	4.88	5.25	4.38	5.25
1809	NASDAQ	OSUR	Thu, May 13, 1999	4.75	5.13	4.44	4.88
1808	NASDAQ	OSUR	Wed, May 12, 1999	4.38	4.75	4.38	4.75
1807	NASDAQ	OSUR	Tue, May 11, 1999	4.63	4.75	4.38	4.38
1806	NASDAQ	OSUR	Mon, May 10, 1999	4.69	4.75	4.50	4.56
1805	NASDAQ	OSUR	Fri, May 7, 1999	4.50	4.88	4.44	4.81
1804	NASDAQ	OSUR	Thu, May 6, 1999	4.50	4.50	4.38	4.44
1803	NASDAQ	OSUR	Wed, May 5, 1999	4.38	4.44	4.38	4.38
1802	NASDAQ	OSUR	Tue, May 4, 1999	4.50	4.88	4.38	4.50
1801	NASDAQ	OSUR	Mon, May 3, 1999	4.75	4.88	4.38	4.50
1800	NASDAQ	OSUR	Fri, Apr 30, 1999	4.50	5.00	4.25	4.81
1799	NASDAQ	OSUR	Thu, Apr 29, 1999	4.50	4.88	4.19	4.50
1798	NASDAQ	OSUR	Wed, Apr 28, 1999	4.38	5.00	4.00	4.00
1797	NASDAQ	OSUR	Tue, Apr 27, 1999	5.38	5.38	4.75	4.75
1796	NASDAQ	OSUR	Mon, Apr 26, 1999	5.00	5.25	4.50	5.13
1795	NASDAQ	OSUR	Fri, Apr 23, 1999	4.63	5.13	4.63	4.88
1794	NASDAQ	OSUR	Thu, Apr 22, 1999	5.00	5.00	4.38	4.75
1793	NASDAQ	OSUR	Wed, Apr 21, 1999	4.94	4.94	4.56	4.88
1792	NASDAQ	OSUR	Tue, Apr 20, 1999	4.75	4.88	4.63	4.63
1791	NASDAQ	OSUR	Mon, Apr 19, 1999	5.00	5.25	4.75	4.75
1790	NASDAQ	OSUR	Fri, Apr 16, 1999	5.63	5.63	4.94	5.25
1789	NASDAQ	OSUR	Thu, Apr 15, 1999	5.00	5.63	5.00	5.50
1788	NASDAQ	OSUR	Wed, Apr 14, 1999	4.88	5.50	4.88	5.31
1787	NASDAQ	OSUR	Tue, Apr 13, 1999	4.38	5.25	4.38	5.19
1786	NASDAQ	OSUR	Mon, Apr 12, 1999	4.56	4.75	4.00	4.75
1785	NASDAQ	OSUR	Fri, Apr 9, 1999	4.25	4.63	3.75	4.63
1784	NASDAQ	OSUR	Thu, Apr 8, 1999	4.38	4.38	3.88	4.09
1783	NASDAQ	OSUR	Wed, Apr 7, 1999	4.31	4.69	3.69	4.38
1782	NASDAQ	OSUR	Tue, Apr 6, 1999	4.81	5.00	4.06	4.31
1781	NASDAQ	OSUR	Mon, Apr 5, 1999	5.25	5.25	4.75	4.81
1780	NASDAQ	OSUR	Thu, Apr 1, 1999	4.88	5.25	4.84	4.94
1779	NASDAQ	OSUR	Wed, Mar 31, 1999	5.25	5.97	4.50	5.00
1778	NASDAQ	OSUR	Tue, Mar 30, 1999	4.88	5.25	4.88	5.13
1777	NASDAQ	OSUR	Mon, Mar 29, 1999	5.00	5.25	4.88	5.00
1776	NASDAQ	OSUR	Fri, Mar 26, 1999	5.00	5.38	5.00	5.13
1775	NASDAQ	OSUR	Thu, Mar 25, 1999	5.31	5.38	4.88	5.00
1774	NASDAQ	OSUR	Wed, Mar 24, 1999	5.25	5.44	5.25	5.44
1773	NASDAQ	OSUR	Tue, Mar 23, 1999	5.56	5.56	5.38	5.44
1772	NASDAQ	OSUR	Mon, Mar 22, 1999	5.44	5.63	5.38	5.56
1771	NASDAQ	OSUR	Fri, Mar 19, 1999	5.44	5.88	5.44	5.50
1770	NASDAQ	OSUR	Thu, Mar 18, 1999	5.50	5.75	5.50	5.75
1769	NASDAQ	OSUR	Wed, Mar 17, 1999	5.69	5.88	5.50	5.63
1768	NASDAQ	OSUR	Tue, Mar 16, 1999	5.63	6.00	5.50	5.75
1767	NASDAQ	OSUR	Mon, Mar 15, 1999	5.63	5.75	5.50	5.75
1766	NASDAQ	OSUR	Fri, Mar 12, 1999	5.75	5.75	5.25	5.50
1765	NASDAQ	OSUR	Thu, Mar 11, 1999	5.75	5.88	5.75	5.81
1764	NASDAQ	OSUR	Wed, Mar 10, 1999	6.00	6.00	5.63	5.94
1763	NASDAQ	OSUR	Tue, Mar 9, 1999	5.88	6.13	5.88	6.00
1762	NASDAQ	OSUR	Mon, Mar 8, 1999	5.88	6.13	5.75	6.13
1761	NASDAQ	OSUR	Fri, Mar 5, 1999	5.75	5.75	5.50	5.75
1760	NASDAQ	OSUR	Thu, Mar 4, 1999	5.50	5.75	5.50	5.63
1759	NASDAQ	OSUR	Wed, Mar 3, 1999	5.75	5.75	5.50	5.63
1758	NASDAQ	OSUR	Tue, Mar 2, 1999	5.88	6.00	5.50	5.81
1757	NASDAQ	OSUR	Mon, Mar 1, 1999	6.38	6.38	5.75	5.88
1756	NASDAQ	OSUR	Fri, Feb 26, 1999	6.13	6.63	6.00	6.38
1755	NASDAQ	OSUR	Thu, Feb 25, 1999	6.13	6.63	6.13	6.50
1754	NASDAQ	OSUR	Wed, Feb 24, 1999	6.31	6.88	6.06	6.75
1753	NASDAQ	OSUR	Tue, Feb 23, 1999	6.50	6.88	6.13	6.63
1752	NASDAQ	OSUR	Mon, Feb 22, 1999	6.63	7.00	6.38	6.63
1751	NASDAQ	OSUR	Fri, Feb 19, 1999	6.88	7.25	6.63	6.69
1750	NASDAQ	OSUR	Thu, Feb 18, 1999	6.50	7.00	6.00	6.69
1749	NASDAQ	OSUR	Wed, Feb 17, 1999	6.00	6.50	5.50	6.38
1748	NASDAQ	OSUR	Tue, Feb 16, 1999	5.88	6.38	5.50	6.00
1747	NASDAQ	OSUR	Fri, Feb 12, 1999	6.00	6.50	5.81	5.88
1746	NASDAQ	OSUR	Thu, Feb 11, 1999	6.25	6.63	5.81	6.50
1745	NASDAQ	OSUR	Wed, Feb 10, 1999	5.88	6.25	5.38	6.25
1744	NASDAQ	OSUR	Tue, Feb 9, 1999	5.63	6.00	5.38	5.50
1743	NASDAQ	OSUR	Mon, Feb 8, 1999	5.50	5.81	5.31	5.50
1742	NASDAQ	OSUR	Fri, Feb 5, 1999	5.50	5.88	5.50	5.50
1741	NASDAQ	OSUR	Thu, Feb 4, 1999	5.50	5.88	5.50	5.88
1740	NASDAQ	OSUR	Wed, Feb 3, 1999	5.25	6.00	5.25	5.63
1739	NASDAQ	OSUR	Tue, Feb 2, 1999	5.63	5.69	5.31	5.31
1738	NASDAQ	OSUR	Mon, Feb 1, 1999	5.75	6.00	5.63	5.63
1737	NASDAQ	OSUR	Fri, Jan 29, 1999	6.00	6.13	5.88	6.00
1736	NASDAQ	OSUR	Thu, Jan 28, 1999	5.38	6.50	5.38	6.13
1735	NASDAQ	OSUR	Wed, Jan 27, 1999	6.56	6.75	5.50	5.56
1734	NASDAQ	OSUR	Tue, Jan 26, 1999	6.75	6.88	6.25	6.75
1733	NASDAQ	OSUR	Mon, Jan 25, 1999	6.88	7.00	6.88	6.88
1732	NASDAQ	OSUR	Fri, Jan 22, 1999	7.00	7.00	6.81	6.94
1731	NASDAQ	OSUR	Thu, Jan 21, 1999	7.00	7.13	6.50	6.75
1730	NASDAQ	OSUR	Wed, Jan 20, 1999	6.94	7.25	6.94	6.94
1729	NASDAQ	OSUR	Tue, Jan 19, 1999	7.00	7.25	6.88	6.94
1728	NASDAQ	OSUR	Fri, Jan 15, 1999	6.88	7.13	6.88	7.00
1727	NASDAQ	OSUR	Thu, Jan 14, 1999	6.88	7.00	6.88	6.88
1726	NASDAQ	OSUR	Wed, Jan 13, 1999	6.75	7.25	6.63	7.06
1725	NASDAQ	OSUR	Tue, Jan 12, 1999	7.13	7.25	6.81	7.00
1724	NASDAQ	OSUR	Mon, Jan 11, 1999	7.63	8.00	7.13	7.38
1723	NASDAQ	OSUR	Fri, Jan 8, 1999	6.50	8.38	6.50	7.88
1722	NASDAQ	OSUR	Thu, Jan 7, 1999	6.00	6.88	5.88	6.38
1721	NASDAQ	OSUR	Wed, Jan 6, 1999	6.50	6.63	5.88	6.50
1720	NASDAQ	OSUR	Tue, Jan 5, 1999	5.75	6.50	5.75	6.06
1719	NASDAQ	OSUR	Mon, Jan 4, 1999	6.00	6.63	5.63	6.00
1718	NASDAQ	OSUR	Thu, Dec 31, 1998	5.00	6.00	5.00	5.88
1717	NASDAQ	OSUR	Wed, Dec 30, 1998	5.19	5.50	4.88	5.06
1716	NASDAQ	OSUR	Tue, Dec 29, 1998	5.00	5.50	4.69	5.19
1715	NASDAQ	OSUR	Mon, Dec 28, 1998	5.19	5.50	4.88	4.94
1714	NASDAQ	OSUR	Thu, Dec 24, 1998	5.25	5.44	5.00	5.38
1713	NASDAQ	OSUR	Wed, Dec 23, 1998	5.00	5.69	5.00	5.50
1712	NASDAQ	OSUR	Tue, Dec 22, 1998	4.63	5.50	4.63	5.00
1711	NASDAQ	OSUR	Mon, Dec 21, 1998	4.63	5.00	4.63	4.75
1710	NASDAQ	OSUR	Fri, Dec 18, 1998	4.88	4.94	4.75	4.75
1709	NASDAQ	OSUR	Thu, Dec 17, 1998	4.88	5.00	4.75	5.00
1708	NASDAQ	OSUR	Wed, Dec 16, 1998	4.88	5.13	4.50	4.94
1707	NASDAQ	OSUR	Tue, Dec 15, 1998	4.75	5.06	4.75	4.88
1706	NASDAQ	OSUR	Mon, Dec 14, 1998	4.50	5.00	4.50	5.00
1705	NASDAQ	OSUR	Fri, Dec 11, 1998	4.63	4.88	4.63	4.88
1704	NASDAQ	OSUR	Thu, Dec 10, 1998	5.13	5.13	4.63	4.63
1703	NASDAQ	OSUR	Wed, Dec 9, 1998	5.13	5.25	5.13	5.13
1702	NASDAQ	OSUR	Tue, Dec 8, 1998	5.25	5.44	5.13	5.25
1701	NASDAQ	OSUR	Mon, Dec 7, 1998	5.38	5.44	5.25	5.38
1700	NASDAQ	OSUR	Fri, Dec 4, 1998	5.25	5.63	5.25	5.38
1699	NASDAQ	OSUR	Thu, Dec 3, 1998	5.38	5.75	5.13	5.38
1698	NASDAQ	OSUR	Wed, Dec 2, 1998	5.25	5.50	4.88	5.50
1697	NASDAQ	OSUR	Tue, Dec 1, 1998	5.50	5.88	5.38	5.38
1696	NASDAQ	OSUR	Mon, Nov 30, 1998	5.38	5.88	4.88	5.88
1695	NASDAQ	OSUR	Fri, Nov 27, 1998	5.06	5.38	5.06	5.38
1694	NASDAQ	OSUR	Wed, Nov 25, 1998	5.44	5.50	4.94	5.13
1693	NASDAQ	OSUR	Tue, Nov 24, 1998	5.38	5.44	4.88	5.38
1692	NASDAQ	OSUR	Mon, Nov 23, 1998	5.38	5.63	5.13	5.28
1691	NASDAQ	OSUR	Fri, Nov 20, 1998	5.25	5.75	5.25	5.50
1690	NASDAQ	OSUR	Thu, Nov 19, 1998	5.25	5.50	5.13	5.38
1689	NASDAQ	OSUR	Wed, Nov 18, 1998	5.75	6.00	5.13	5.25
1688	NASDAQ	OSUR	Tue, Nov 17, 1998	6.50	6.50	5.63	5.88
1687	NASDAQ	OSUR	Mon, Nov 16, 1998	6.00	6.50	5.88	6.50
1686	NASDAQ	OSUR	Fri, Nov 13, 1998	6.13	6.50	5.88	6.25
1685	NASDAQ	OSUR	Thu, Nov 12, 1998	6.38	6.50	5.63	6.38
1684	NASDAQ	OSUR	Wed, Nov 11, 1998	5.06	6.25	5.06	6.25
1683	NASDAQ	OSUR	Tue, Nov 10, 1998	5.00	5.50	5.00	5.25
1682	NASDAQ	OSUR	Mon, Nov 9, 1998	5.50	5.69	5.13	5.38
1681	NASDAQ	OSUR	Fri, Nov 6, 1998	5.00	5.75	5.00	5.63
1680	NASDAQ	OSUR	Thu, Nov 5, 1998	5.19	5.50	5.00	5.38
1679	NASDAQ	OSUR	Wed, Nov 4, 1998	5.25	5.50	5.00	5.38
1678	NASDAQ	OSUR	Tue, Nov 3, 1998	5.25	5.50	5.06	5.50
1677	NASDAQ	OSUR	Mon, Nov 2, 1998	5.38	5.88	5.13	5.25
1676	NASDAQ	OSUR	Fri, Oct 30, 1998	4.50	5.63	4.50	5.44
1675	NASDAQ	OSUR	Thu, Oct 29, 1998	4.63	4.63	4.38	4.63
1674	NASDAQ	OSUR	Wed, Oct 28, 1998	3.94	4.75	3.50	4.63
1673	NASDAQ	OSUR	Tue, Oct 27, 1998	3.06	3.88	3.06	3.88
1672	NASDAQ	OSUR	Mon, Oct 26, 1998	3.13	3.25	2.88	3.06
1671	NASDAQ	OSUR	Fri, Oct 23, 1998	3.44	3.44	3.19	3.25
1670	NASDAQ	OSUR	Thu, Oct 22, 1998	3.50	3.50	3.25	3.44
1669	NASDAQ	OSUR	Wed, Oct 21, 1998	3.38	3.38	3.19	3.31
1668	NASDAQ	OSUR	Tue, Oct 20, 1998	3.13	3.31	3.13	3.25
1667	NASDAQ	OSUR	Mon, Oct 19, 1998	3.38	3.38	3.13	3.13
1666	NASDAQ	OSUR	Fri, Oct 16, 1998	3.38	3.56	3.13	3.13
1665	NASDAQ	OSUR	Thu, Oct 15, 1998	3.50	3.56	3.25	3.38
1664	NASDAQ	OSUR	Wed, Oct 14, 1998	3.25	3.50	3.25	3.38
1663	NASDAQ	OSUR	Tue, Oct 13, 1998	3.19	3.50	3.19	3.50
1662	NASDAQ	OSUR	Mon, Oct 12, 1998	3.25	3.44	3.00	3.38
1661	NASDAQ	OSUR	Fri, Oct 9, 1998	2.88	3.25	2.50	3.25
1660	NASDAQ	OSUR	Thu, Oct 8, 1998	3.00	3.00	2.75	3.00
1659	NASDAQ	OSUR	Wed, Oct 7, 1998	3.56	3.56	3.00	3.00
1658	NASDAQ	OSUR	Tue, Oct 6, 1998	3.25	3.56	3.25	3.38
1657	NASDAQ	OSUR	Mon, Oct 5, 1998	3.50	3.75	3.25	3.75
1656	NASDAQ	OSUR	Fri, Oct 2, 1998	3.50	3.88	3.38	3.44
1655	NASDAQ	OSUR	Thu, Oct 1, 1998	3.56	3.81	3.31	3.50
1654	NASDAQ	OSUR	Wed, Sep 30, 1998	4.00	4.00	3.63	3.75
1653	NASDAQ	OSUR	Tue, Sep 29, 1998	4.25	4.25	3.38	3.75
1652	NASDAQ	OSUR	Mon, Sep 28, 1998	3.75	4.25	3.63	4.25
1651	NASDAQ	OSUR	Fri, Sep 25, 1998	3.75	4.00	3.50	3.75
1650	NASDAQ	OSUR	Thu, Sep 24, 1998	3.88	4.00	3.50	3.63
1649	NASDAQ	OSUR	Wed, Sep 23, 1998	3.00	4.13	3.00	4.13
1648	NASDAQ	OSUR	Tue, Sep 22, 1998	3.63	3.75	2.88	3.25
1647	NASDAQ	OSUR	Mon, Sep 21, 1998	3.38	3.75	3.38	3.50
1646	NASDAQ	OSUR	Fri, Sep 18, 1998	3.13	3.88	3.13	3.50
1645	NASDAQ	OSUR	Thu, Sep 17, 1998	3.75	3.75	3.00	3.25
1644	NASDAQ	OSUR	Wed, Sep 16, 1998	3.63	3.81	3.50	3.75
1643	NASDAQ	OSUR	Tue, Sep 15, 1998	3.75	3.88	3.63	3.75
1642	NASDAQ	OSUR	Mon, Sep 14, 1998	4.00	4.13	3.75	3.94
1641	NASDAQ	OSUR	Fri, Sep 11, 1998	3.88	4.00	3.63	3.88
1640	NASDAQ	OSUR	Thu, Sep 10, 1998	4.00	4.00	3.50	3.75
1639	NASDAQ	OSUR	Wed, Sep 9, 1998	3.75	4.13	3.69	4.00
1638	NASDAQ	OSUR	Tue, Sep 8, 1998	3.88	4.25	3.75	3.75
1637	NASDAQ	OSUR	Fri, Sep 4, 1998	4.13	4.50	3.88	4.00
1636	NASDAQ	OSUR	Thu, Sep 3, 1998	4.38	4.38	4.00	4.00
1635	NASDAQ	OSUR	Wed, Sep 2, 1998	4.06	4.75	4.00	4.63
1634	NASDAQ	OSUR	Tue, Sep 1, 1998	4.50	4.50	3.88	4.13
1633	NASDAQ	OSUR	Mon, Aug 31, 1998	4.88	5.00	3.63	4.25
1632	NASDAQ	OSUR	Fri, Aug 28, 1998	4.75	5.13	4.50	4.75
1631	NASDAQ	OSUR	Thu, Aug 27, 1998	5.00	5.00	4.50	4.88
1630	NASDAQ	OSUR	Wed, Aug 26, 1998	5.25	5.25	4.88	4.88
1629	NASDAQ	OSUR	Tue, Aug 25, 1998	5.50	5.75	5.25	5.31
1628	NASDAQ	OSUR	Mon, Aug 24, 1998	5.50	5.75	5.50	5.50
1627	NASDAQ	OSUR	Fri, Aug 21, 1998	5.75	5.88	5.50	5.75
1626	NASDAQ	OSUR	Thu, Aug 20, 1998	6.00	6.00	5.75	5.75
1625	NASDAQ	OSUR	Wed, Aug 19, 1998	6.00	6.25	6.00	6.00
1624	NASDAQ	OSUR	Tue, Aug 18, 1998	6.00	6.25	5.88	6.00
1623	NASDAQ	OSUR	Mon, Aug 17, 1998	5.75	5.88	5.75	5.88
1622	NASDAQ	OSUR	Fri, Aug 14, 1998	6.00	6.31	5.88	5.94
1621	NASDAQ	OSUR	Thu, Aug 13, 1998	6.25	6.50	5.88	6.00
1620	NASDAQ	OSUR	Wed, Aug 12, 1998	5.63	6.25	5.50	6.13
1619	NASDAQ	OSUR	Tue, Aug 11, 1998	5.13	5.88	4.88	5.81
1618	NASDAQ	OSUR	Mon, Aug 10, 1998	4.75	5.13	4.75	5.13
1617	NASDAQ	OSUR	Fri, Aug 7, 1998	4.81	5.00	4.81	4.94
1616	NASDAQ	OSUR	Thu, Aug 6, 1998	4.75	5.00	4.63	5.00
1615	NASDAQ	OSUR	Wed, Aug 5, 1998	4.81	5.25	4.75	4.75
1614	NASDAQ	OSUR	Tue, Aug 4, 1998	5.13	5.50	4.88	4.94
1613	NASDAQ	OSUR	Mon, Aug 3, 1998	5.50	5.50	5.13	5.13
1612	NASDAQ	OSUR	Fri, Jul 31, 1998	5.38	5.75	5.38	5.50
1611	NASDAQ	OSUR	Thu, Jul 30, 1998	5.31	5.56	5.00	5.50
1610	NASDAQ	OSUR	Wed, Jul 29, 1998	5.38	5.75	5.25	5.25
1609	NASDAQ	OSUR	Tue, Jul 28, 1998	6.00	6.00	5.25	5.63
1608	NASDAQ	OSUR	Mon, Jul 27, 1998	6.13	6.25	5.75	6.25
1607	NASDAQ	OSUR	Fri, Jul 24, 1998	6.25	6.38	5.75	5.75
1606	NASDAQ	OSUR	Thu, Jul 23, 1998	6.25	6.38	5.88	5.88
1605	NASDAQ	OSUR	Wed, Jul 22, 1998	5.94	6.06	5.81	6.06
1604	NASDAQ	OSUR	Tue, Jul 21, 1998	5.75	6.25	5.75	5.94
1603	NASDAQ	OSUR	Mon, Jul 20, 1998	5.88	6.25	5.50	6.25
1602	NASDAQ	OSUR	Fri, Jul 17, 1998	5.75	6.25	5.31	5.75
1601	NASDAQ	OSUR	Thu, Jul 16, 1998	5.88	6.25	5.75	5.75
1600	NASDAQ	OSUR	Wed, Jul 15, 1998	6.00	6.38	5.75	6.13
1599	NASDAQ	OSUR	Tue, Jul 14, 1998	6.13	6.44	6.00	6.13
1598	NASDAQ	OSUR	Mon, Jul 13, 1998	6.88	6.88	5.88	6.00
1597	NASDAQ	OSUR	Fri, Jul 10, 1998	6.50	6.88	6.38	6.38
1596	NASDAQ	OSUR	Thu, Jul 9, 1998	7.00	7.00	6.56	6.75
1595	NASDAQ	OSUR	Wed, Jul 8, 1998	6.50	7.00	6.50	6.88
1594	NASDAQ	OSUR	Tue, Jul 7, 1998	6.50	6.75	6.50	6.75
1593	NASDAQ	OSUR	Mon, Jul 6, 1998	6.38	6.75	6.25	6.50
1592	NASDAQ	OSUR	Thu, Jul 2, 1998	6.03	6.50	6.00	6.50
1591	NASDAQ	OSUR	Wed, Jul 1, 1998	6.63	6.63	6.00	6.25
1590	NASDAQ	OSUR	Tue, Jun 30, 1998	6.50	6.75	6.13	6.50
1589	NASDAQ	OSUR	Mon, Jun 29, 1998	6.38	6.63	6.25	6.50
1588	NASDAQ	OSUR	Fri, Jun 26, 1998	5.75	6.63	5.75	6.38
1587	NASDAQ	OSUR	Thu, Jun 25, 1998	4.75	6.13	4.75	6.06
1586	NASDAQ	OSUR	Wed, Jun 24, 1998	4.75	5.00	4.75	5.00
1585	NASDAQ	OSUR	Tue, Jun 23, 1998	4.75	5.00	4.63	5.00
1584	NASDAQ	OSUR	Mon, Jun 22, 1998	4.75	4.94	4.75	4.75
1583	NASDAQ	OSUR	Fri, Jun 19, 1998	5.00	5.00	4.75	5.00
1582	NASDAQ	OSUR	Thu, Jun 18, 1998	4.69	5.00	4.69	5.00
1581	NASDAQ	OSUR	Wed, Jun 17, 1998	5.00	5.00	4.69	4.69
1580	NASDAQ	OSUR	Tue, Jun 16, 1998	4.63	4.88	4.63	4.88
1579	NASDAQ	OSUR	Mon, Jun 15, 1998	4.63	5.00	4.63	4.63
1578	NASDAQ	OSUR	Fri, Jun 12, 1998	4.88	5.00	4.75	5.00
1577	NASDAQ	OSUR	Thu, Jun 11, 1998	4.88	4.94	4.75	4.75
1576	NASDAQ	OSUR	Wed, Jun 10, 1998	4.88	5.00	4.75	4.88
1575	NASDAQ	OSUR	Tue, Jun 9, 1998	5.00	5.13	4.88	5.00
1574	NASDAQ	OSUR	Mon, Jun 8, 1998	5.00	5.13	5.00	5.00
1573	NASDAQ	OSUR	Fri, Jun 5, 1998	5.00	5.25	5.00	5.13
1572	NASDAQ	OSUR	Thu, Jun 4, 1998	4.88	5.06	4.88	5.00
1571	NASDAQ	OSUR	Wed, Jun 3, 1998	5.25	5.38	4.75	5.00
1570	NASDAQ	OSUR	Tue, Jun 2, 1998	5.44	5.50	5.25	5.25
1569	NASDAQ	OSUR	Mon, Jun 1, 1998	5.50	6.00	5.25	5.50
1568	NASDAQ	OSUR	Fri, May 29, 1998	5.88	5.88	5.25	5.69
1567	NASDAQ	OSUR	Thu, May 28, 1998	4.81	5.88	4.75	5.81
1566	NASDAQ	OSUR	Wed, May 27, 1998	4.88	4.97	4.69	4.88
1565	NASDAQ	OSUR	Tue, May 26, 1998	5.00	5.00	4.75	4.75
1564	NASDAQ	OSUR	Fri, May 22, 1998	4.88	5.00	4.69	5.00
1563	NASDAQ	OSUR	Thu, May 21, 1998	4.94	5.00	4.75	4.88
1562	NASDAQ	OSUR	Wed, May 20, 1998	4.75	5.50	4.56	5.06
1561	NASDAQ	OSUR	Tue, May 19, 1998	5.13	5.13	4.63	4.75
1560	NASDAQ	OSUR	Mon, May 18, 1998	4.75	5.00	4.63	5.00
1559	NASDAQ	OSUR	Fri, May 15, 1998	5.25	5.25	4.75	4.75
1558	NASDAQ	OSUR	Thu, May 14, 1998	5.25	5.25	4.75	4.94
1557	NASDAQ	OSUR	Wed, May 13, 1998	4.94	5.38	4.94	5.25
1556	NASDAQ	OSUR	Tue, May 12, 1998	4.94	5.00	4.94	5.00
1555	NASDAQ	OSUR	Mon, May 11, 1998	4.94	5.13	4.94	5.00
1554	NASDAQ	OSUR	Fri, May 8, 1998	5.19	5.19	4.94	5.00
1553	NASDAQ	OSUR	Thu, May 7, 1998	5.13	5.13	4.94	5.00
1552	NASDAQ	OSUR	Wed, May 6, 1998	5.13	5.13	4.94	5.00
1551	NASDAQ	OSUR	Tue, May 5, 1998	5.00	5.25	4.94	5.25
1550	NASDAQ	OSUR	Mon, May 4, 1998	5.00	5.25	4.94	5.25
1549	NASDAQ	OSUR	Fri, May 1, 1998	5.38	5.38	5.00	5.19
1548	NASDAQ	OSUR	Thu, Apr 30, 1998	4.97	5.50	4.75	5.50
1547	NASDAQ	OSUR	Wed, Apr 29, 1998	5.00	5.19	5.00	5.06
1546	NASDAQ	OSUR	Tue, Apr 28, 1998	5.00	5.25	5.00	5.06
1545	NASDAQ	OSUR	Mon, Apr 27, 1998	5.44	5.50	4.94	5.09
1544	NASDAQ	OSUR	Fri, Apr 24, 1998	5.69	5.69	5.44	5.63
1543	NASDAQ	OSUR	Thu, Apr 23, 1998	5.63	5.75	5.50	5.75
1542	NASDAQ	OSUR	Wed, Apr 22, 1998	5.63	5.81	5.56	5.75
1541	NASDAQ	OSUR	Tue, Apr 21, 1998	5.50	6.00	5.50	5.75
1540	NASDAQ	OSUR	Mon, Apr 20, 1998	5.38	5.75	5.38	5.56
1539	NASDAQ	OSUR	Fri, Apr 17, 1998	5.38	5.75	5.25	5.50
1538	NASDAQ	OSUR	Thu, Apr 16, 1998	5.50	5.56	5.25	5.38
1537	NASDAQ	OSUR	Wed, Apr 15, 1998	5.94	6.00	5.00	5.50
1536	NASDAQ	OSUR	Tue, Apr 14, 1998	6.00	6.13	5.94	6.00
1535	NASDAQ	OSUR	Mon, Apr 13, 1998	6.13	6.25	5.94	6.19
1534	NASDAQ	OSUR	Thu, Apr 9, 1998	6.00	6.25	6.00	6.25
1533	NASDAQ	OSUR	Wed, Apr 8, 1998	6.00	6.25	5.88	5.88
1532	NASDAQ	OSUR	Tue, Apr 7, 1998	6.06	6.13	5.88	6.06
1531	NASDAQ	OSUR	Mon, Apr 6, 1998	6.13	6.25	6.00	6.13
1530	NASDAQ	OSUR	Fri, Apr 3, 1998	6.00	6.38	6.00	6.13
1529	NASDAQ	OSUR	Thu, Apr 2, 1998	6.38	6.50	6.13	6.38
1528	NASDAQ	OSUR	Wed, Apr 1, 1998	6.69	6.88	6.38	6.50
1527	NASDAQ	OSUR	Tue, Mar 31, 1998	6.75	7.00	6.69	6.88
1526	NASDAQ	OSUR	Mon, Mar 30, 1998	6.88	6.88	6.63	6.69
1525	NASDAQ	OSUR	Fri, Mar 27, 1998	6.94	7.00	6.63	6.88
1524	NASDAQ	OSUR	Thu, Mar 26, 1998	6.63	6.94	6.63	6.63
1523	NASDAQ	OSUR	Wed, Mar 25, 1998	6.63	6.94	6.63	6.75
1522	NASDAQ	OSUR	Tue, Mar 24, 1998	6.56	6.94	6.56	6.63
1521	NASDAQ	OSUR	Mon, Mar 23, 1998	6.75	6.88	6.56	6.63
1520	NASDAQ	OSUR	Fri, Mar 20, 1998	6.56	6.75	6.56	6.63
1519	NASDAQ	OSUR	Thu, Mar 19, 1998	6.63	6.75	6.44	6.75
1518	NASDAQ	OSUR	Wed, Mar 18, 1998	6.63	6.75	6.38	6.38
1517	NASDAQ	OSUR	Tue, Mar 17, 1998	7.00	7.00	6.50	6.63
1516	NASDAQ	OSUR	Mon, Mar 16, 1998	6.75	7.06	6.50	6.69
1515	NASDAQ	OSUR	Fri, Mar 13, 1998	6.25	7.13	6.25	6.81
1514	NASDAQ	OSUR	Thu, Mar 12, 1998	6.13	6.38	6.13	6.13
1513	NASDAQ	OSUR	Wed, Mar 11, 1998	6.38	6.38	6.13	6.13
1512	NASDAQ	OSUR	Tue, Mar 10, 1998	6.25	6.38	6.25	6.25
1511	NASDAQ	OSUR	Mon, Mar 9, 1998	6.38	6.38	6.25	6.25
1510	NASDAQ	OSUR	Fri, Mar 6, 1998	6.13	6.38	6.13	6.19
1509	NASDAQ	OSUR	Thu, Mar 5, 1998	6.69	6.69	6.00	6.25
1508	NASDAQ	OSUR	Wed, Mar 4, 1998	6.69	6.69	6.50	6.50
1507	NASDAQ	OSUR	Tue, Mar 3, 1998	6.75	6.75	6.50	6.50
1506	NASDAQ	OSUR	Mon, Mar 2, 1998	6.88	6.88	6.63	6.75
1505	NASDAQ	OSUR	Fri, Feb 27, 1998	6.63	7.00	6.50	6.75
1504	NASDAQ	OSUR	Thu, Feb 26, 1998	5.50	7.19	5.44	6.50
1503	NASDAQ	OSUR	Wed, Feb 25, 1998	6.13	6.13	5.75	5.75
1502	NASDAQ	OSUR	Tue, Feb 24, 1998	5.88	6.13	5.88	6.00
1501	NASDAQ	OSUR	Mon, Feb 23, 1998	6.13	6.25	5.81	6.00
1500	NASDAQ	OSUR	Fri, Feb 20, 1998	6.00	6.25	5.88	6.25
1499	NASDAQ	OSUR	Thu, Feb 19, 1998	5.38	5.88	5.19	5.81
1498	NASDAQ	OSUR	Wed, Feb 18, 1998	5.50	5.50	5.00	5.13
1497	NASDAQ	OSUR	Tue, Feb 17, 1998	5.50	5.75	5.50	5.50
1496	NASDAQ	OSUR	Fri, Feb 13, 1998	5.50	5.75	5.50	5.75
1495	NASDAQ	OSUR	Thu, Feb 12, 1998	5.63	5.75	5.50	5.50
1494	NASDAQ	OSUR	Wed, Feb 11, 1998	5.63	5.88	5.56	5.75
1493	NASDAQ	OSUR	Tue, Feb 10, 1998	6.00	6.00	5.50	5.69
1492	NASDAQ	OSUR	Mon, Feb 9, 1998	5.88	6.38	5.63	6.00
1491	NASDAQ	OSUR	Fri, Feb 6, 1998	5.75	6.00	5.75	5.75
1490	NASDAQ	OSUR	Thu, Feb 5, 1998	5.75	6.00	5.75	5.75
1489	NASDAQ	OSUR	Wed, Feb 4, 1998	6.00	6.00	5.63	5.75
1488	NASDAQ	OSUR	Tue, Feb 3, 1998	5.88	5.94	5.69	5.75
1487	NASDAQ	OSUR	Mon, Feb 2, 1998	5.75	6.00	5.63	5.75
1486	NASDAQ	OSUR	Fri, Jan 30, 1998	6.00	6.06	5.63	5.75
1485	NASDAQ	OSUR	Thu, Jan 29, 1998	6.00	6.00	5.50	6.00
1484	NASDAQ	OSUR	Wed, Jan 28, 1998	6.00	6.13	5.75	5.75
1483	NASDAQ	OSUR	Tue, Jan 27, 1998	6.06	6.38	6.00	6.25
1482	NASDAQ	OSUR	Mon, Jan 26, 1998	6.25	6.25	6.00	6.19
1481	NASDAQ	OSUR	Fri, Jan 23, 1998	5.38	6.19	5.38	6.00
1480	NASDAQ	OSUR	Thu, Jan 22, 1998	5.50	5.75	5.38	5.63
1479	NASDAQ	OSUR	Wed, Jan 21, 1998	5.88	5.88	5.50	5.63
1478	NASDAQ	OSUR	Tue, Jan 20, 1998	5.63	5.88	5.38	5.88
1477	NASDAQ	OSUR	Fri, Jan 16, 1998	6.50	6.50	5.50	5.50
1476	NASDAQ	OSUR	Thu, Jan 15, 1998	5.50	6.50	5.25	6.13
1475	NASDAQ	OSUR	Wed, Jan 14, 1998	5.19	5.38	5.00	5.38
1474	NASDAQ	OSUR	Tue, Jan 13, 1998	5.25	5.38	5.13	5.19
1473	NASDAQ	OSUR	Mon, Jan 12, 1998	5.13	5.88	5.13	5.50
1472	NASDAQ	OSUR	Fri, Jan 9, 1998	5.25	5.81	5.00	5.63
1471	NASDAQ	OSUR	Thu, Jan 8, 1998	5.13	5.50	5.00	5.19
1470	NASDAQ	OSUR	Wed, Jan 7, 1998	6.25	7.00	6.13	6.88
1469	NASDAQ	OSUR	Tue, Jan 6, 1998	5.88	6.31	5.88	6.25
1468	NASDAQ	OSUR	Mon, Jan 5, 1998	5.38	6.25	5.25	6.25
1467	NASDAQ	OSUR	Fri, Jan 2, 1998	4.75	5.38	4.75	5.38
1466	NASDAQ	OSUR	Wed, Dec 31, 1997	4.56	5.00	4.44	5.00
1465	NASDAQ	OSUR	Tue, Dec 30, 1997	5.13	5.13	4.38	4.63
1464	NASDAQ	OSUR	Mon, Dec 29, 1997	5.00	5.13	4.50	5.00
1463	NASDAQ	OSUR	Fri, Dec 26, 1997	4.88	5.13	4.50	5.13
1462	NASDAQ	OSUR	Wed, Dec 24, 1997	4.88	5.00	4.50	4.50
1461	NASDAQ	OSUR	Tue, Dec 23, 1997	5.31	5.44	4.75	5.00
1460	NASDAQ	OSUR	Mon, Dec 22, 1997	4.75	5.50	4.75	5.31
1459	NASDAQ	OSUR	Fri, Dec 19, 1997	4.75	5.00	4.25	4.75
1458	NASDAQ	OSUR	Thu, Dec 18, 1997	4.81	4.94	4.63	4.88
1457	NASDAQ	OSUR	Wed, Dec 17, 1997	4.75	5.00	4.63	4.69
1456	NASDAQ	OSUR	Tue, Dec 16, 1997	5.13	5.38	4.81	4.88
1455	NASDAQ	OSUR	Mon, Dec 15, 1997	5.25	5.63	5.06	5.19
1454	NASDAQ	OSUR	Fri, Dec 12, 1997	5.50	5.88	5.25	5.44
1453	NASDAQ	OSUR	Thu, Dec 11, 1997	5.50	6.00	5.38	5.63
1452	NASDAQ	OSUR	Wed, Dec 10, 1997	5.50	5.50	5.25	5.31
1451	NASDAQ	OSUR	Tue, Dec 9, 1997	5.31	5.75	5.31	5.63
1450	NASDAQ	OSUR	Mon, Dec 8, 1997	5.00	5.63	5.00	5.38
1449	NASDAQ	OSUR	Fri, Dec 5, 1997	4.88	5.13	4.88	5.13
1448	NASDAQ	OSUR	Thu, Dec 4, 1997	5.25	5.50	4.88	5.03
1447	NASDAQ	OSUR	Wed, Dec 3, 1997	5.13	5.25	4.88	5.25
1446	NASDAQ	OSUR	Tue, Dec 2, 1997	5.75	5.81	5.00	5.13
1445	NASDAQ	OSUR	Mon, Dec 1, 1997	6.00	6.25	5.75	5.75
1444	NASDAQ	OSUR	Fri, Nov 28, 1997	6.13	6.50	6.00	6.06
1443	NASDAQ	OSUR	Wed, Nov 26, 1997	6.38	6.75	6.13	6.25
1442	NASDAQ	OSUR	Tue, Nov 25, 1997	6.13	6.56	6.13	6.50
1441	NASDAQ	OSUR	Mon, Nov 24, 1997	6.13	6.38	6.13	6.13
1440	NASDAQ	OSUR	Fri, Nov 21, 1997	6.25	6.38	6.25	6.38
1439	NASDAQ	OSUR	Thu, Nov 20, 1997	6.13	6.44	6.13	6.25
1438	NASDAQ	OSUR	Wed, Nov 19, 1997	6.38	6.50	6.25	6.38
1437	NASDAQ	OSUR	Tue, Nov 18, 1997	6.25	6.50	6.13	6.38
1436	NASDAQ	OSUR	Mon, Nov 17, 1997	6.38	6.50	6.13	6.25
1435	NASDAQ	OSUR	Fri, Nov 14, 1997	6.25	6.50	6.00	6.38
1434	NASDAQ	OSUR	Thu, Nov 13, 1997	6.25	6.50	6.25	6.25
1433	NASDAQ	OSUR	Wed, Nov 12, 1997	6.25	6.75	6.25	6.25
1432	NASDAQ	OSUR	Tue, Nov 11, 1997	6.50	6.75	6.25	6.75
1431	NASDAQ	OSUR	Mon, Nov 10, 1997	6.88	6.88	6.50	6.50
1430	NASDAQ	OSUR	Fri, Nov 7, 1997	6.50	6.75	6.50	6.75
1429	NASDAQ	OSUR	Thu, Nov 6, 1997	6.88	7.00	6.81	6.81
1428	NASDAQ	OSUR	Wed, Nov 5, 1997	6.75	7.25	6.56	6.88
1427	NASDAQ	OSUR	Tue, Nov 4, 1997	6.88	6.88	6.50	6.75
1426	NASDAQ	OSUR	Mon, Nov 3, 1997	7.25	7.25	6.63	6.63
1425	NASDAQ	OSUR	Fri, Oct 31, 1997	7.00	7.25	6.94	6.94
1424	NASDAQ	OSUR	Thu, Oct 30, 1997	7.13	7.44	7.00	7.00
1423	NASDAQ	OSUR	Wed, Oct 29, 1997	6.50	7.63	6.25	7.50
1422	NASDAQ	OSUR	Tue, Oct 28, 1997	6.38	6.50	5.75	6.50
1421	NASDAQ	OSUR	Mon, Oct 27, 1997	6.88	7.13	6.38	6.50
1420	NASDAQ	OSUR	Fri, Oct 24, 1997	7.50	7.50	7.00	7.13
1419	NASDAQ	OSUR	Thu, Oct 23, 1997	7.00	7.50	7.00	7.13
1418	NASDAQ	OSUR	Wed, Oct 22, 1997	7.13	7.50	7.00	7.50
1417	NASDAQ	OSUR	Tue, Oct 21, 1997	7.38	7.50	7.13	7.25
1416	NASDAQ	OSUR	Mon, Oct 20, 1997	7.50	7.75	7.38	7.63
1415	NASDAQ	OSUR	Fri, Oct 17, 1997	7.75	7.88	7.50	7.50
1414	NASDAQ	OSUR	Thu, Oct 16, 1997	7.75	8.13	7.75	8.00
1413	NASDAQ	OSUR	Wed, Oct 15, 1997	7.75	8.13	7.50	7.75
1412	NASDAQ	OSUR	Tue, Oct 14, 1997	7.50	7.94	7.50	7.81
1411	NASDAQ	OSUR	Mon, Oct 13, 1997	7.38	7.75	7.38	7.75
1410	NASDAQ	OSUR	Fri, Oct 10, 1997	7.13	7.38	7.00	7.38
1409	NASDAQ	OSUR	Thu, Oct 9, 1997	6.88	7.13	6.81	7.06
1408	NASDAQ	OSUR	Wed, Oct 8, 1997	6.56	6.88	6.56	6.81
1407	NASDAQ	OSUR	Tue, Oct 7, 1997	7.00	7.31	6.56	6.56
1406	NASDAQ	OSUR	Mon, Oct 6, 1997	7.25	7.31	7.00	7.00
1405	NASDAQ	OSUR	Fri, Oct 3, 1997	7.50	7.50	7.00	7.38
1404	NASDAQ	OSUR	Thu, Oct 2, 1997	7.88	8.00	7.38	7.50
1403	NASDAQ	OSUR	Wed, Oct 1, 1997	8.13	8.13	7.88	7.88
1402	NASDAQ	OSUR	Tue, Sep 30, 1997	8.00	8.25	7.88	8.25
1401	NASDAQ	OSUR	Mon, Sep 29, 1997	8.00	8.25	7.81	8.00
1400	NASDAQ	OSUR	Fri, Sep 26, 1997	7.75	8.06	7.75	7.97
1399	NASDAQ	OSUR	Thu, Sep 25, 1997	8.00	8.13	7.75	8.06
1398	NASDAQ	OSUR	Wed, Sep 24, 1997	7.88	8.38	7.81	8.00
1397	NASDAQ	OSUR	Tue, Sep 23, 1997	7.75	8.25	7.75	8.13
1396	NASDAQ	OSUR	Mon, Sep 22, 1997	8.00	8.25	7.88	7.88
1395	NASDAQ	OSUR	Fri, Sep 19, 1997	8.13	8.25	8.00	8.00
1394	NASDAQ	OSUR	Thu, Sep 18, 1997	8.25	8.38	8.00	8.13
1393	NASDAQ	OSUR	Wed, Sep 17, 1997	8.25	8.63	8.00	8.25
1392	NASDAQ	OSUR	Tue, Sep 16, 1997	7.63	8.44	7.61	8.38
1391	NASDAQ	OSUR	Mon, Sep 15, 1997	7.88	7.88	7.50	7.63
1390	NASDAQ	OSUR	Fri, Sep 12, 1997	7.63	7.88	7.38	7.81
1389	NASDAQ	OSUR	Thu, Sep 11, 1997	7.50	7.63	7.00	7.63
1388	NASDAQ	OSUR	Wed, Sep 10, 1997	7.38	7.50	7.25	7.31
1387	NASDAQ	OSUR	Tue, Sep 9, 1997	7.50	7.88	7.31	7.38
1386	NASDAQ	OSUR	Mon, Sep 8, 1997	7.86	7.88	7.50	7.75
1385	NASDAQ	OSUR	Fri, Sep 5, 1997	7.81	7.88	7.63	7.63
1384	NASDAQ	OSUR	Thu, Sep 4, 1997	8.38	8.50	7.63	7.75
1383	NASDAQ	OSUR	Wed, Sep 3, 1997	7.00	8.25	6.63	8.16
1382	NASDAQ	OSUR	Tue, Sep 2, 1997	6.75	7.00	6.38	7.00
1381	NASDAQ	OSUR	Fri, Aug 29, 1997	6.75	7.13	6.25	6.38
1380	NASDAQ	OSUR	Thu, Aug 28, 1997	7.25	7.25	6.88	7.13
1379	NASDAQ	OSUR	Wed, Aug 27, 1997	7.50	7.88	6.81	7.25
1378	NASDAQ	OSUR	Tue, Aug 26, 1997	5.63	7.13	5.50	7.00
1377	NASDAQ	OSUR	Mon, Aug 25, 1997	5.75	5.88	5.38	5.88
1376	NASDAQ	OSUR	Fri, Aug 22, 1997	5.50	5.88	5.50	5.75
1375	NASDAQ	OSUR	Thu, Aug 21, 1997	6.13	6.13	5.63	5.63
1374	NASDAQ	OSUR	Wed, Aug 20, 1997	5.50	6.13	5.50	5.75
1373	NASDAQ	OSUR	Tue, Aug 19, 1997	5.38	5.75	5.38	5.50
1372	NASDAQ	OSUR	Mon, Aug 18, 1997	5.50	5.81	5.06	5.63
1371	NASDAQ	OSUR	Fri, Aug 15, 1997	5.63	5.73	4.63	5.50
1370	NASDAQ	OSUR	Thu, Aug 14, 1997	6.50	6.50	5.63	5.81
1369	NASDAQ	OSUR	Wed, Aug 13, 1997	6.13	6.50	6.13	6.25
1368	NASDAQ	OSUR	Tue, Aug 12, 1997	6.63	6.63	6.00	6.25
1367	NASDAQ	OSUR	Mon, Aug 11, 1997	6.13	6.63	6.00	6.38
1366	NASDAQ	OSUR	Fri, Aug 8, 1997	6.38	6.38	6.00	6.06
1365	NASDAQ	OSUR	Thu, Aug 7, 1997	6.75	6.88	6.38	6.63
1364	NASDAQ	OSUR	Wed, Aug 6, 1997	6.75	6.75	6.38	6.75
1363	NASDAQ	OSUR	Tue, Aug 5, 1997	6.75	7.13	6.38	6.63
1362	NASDAQ	OSUR	Mon, Aug 4, 1997	6.25	6.50	5.63	6.13
1361	NASDAQ	OSUR	Fri, Aug 1, 1997	6.63	6.88	6.25	6.31
1360	NASDAQ	OSUR	Thu, Jul 31, 1997	6.88	7.00	6.63	6.75
1359	NASDAQ	OSUR	Wed, Jul 30, 1997	6.75	7.00	6.75	7.00
1358	NASDAQ	OSUR	Tue, Jul 29, 1997	7.25	7.31	6.63	6.75
1357	NASDAQ	OSUR	Mon, Jul 28, 1997	7.13	7.38	7.00	7.25
1356	NASDAQ	OSUR	Fri, Jul 25, 1997	7.13	7.50	7.00	7.25
1355	NASDAQ	OSUR	Thu, Jul 24, 1997	7.13	7.63	7.13	7.13
1354	NASDAQ	OSUR	Wed, Jul 23, 1997	7.25	7.63	7.13	7.25
1353	NASDAQ	OSUR	Tue, Jul 22, 1997	7.75	7.88	7.25	7.25
1352	NASDAQ	OSUR	Mon, Jul 21, 1997	7.25	7.63	7.25	7.50
1351	NASDAQ	OSUR	Fri, Jul 18, 1997	7.13	7.50	7.13	7.38
1350	NASDAQ	OSUR	Thu, Jul 17, 1997	8.13	8.13	7.25	7.25
1349	NASDAQ	OSUR	Wed, Jul 16, 1997	7.63	8.13	7.63	7.75
1348	NASDAQ	OSUR	Tue, Jul 15, 1997	8.00	8.13	7.63	7.88
1347	NASDAQ	OSUR	Mon, Jul 14, 1997	7.50	8.00	7.50	7.75
1346	NASDAQ	OSUR	Fri, Jul 11, 1997	7.50	7.75	7.50	7.75
1345	NASDAQ	OSUR	Thu, Jul 10, 1997	7.75	7.75	7.50	7.75
1344	NASDAQ	OSUR	Wed, Jul 9, 1997	7.50	7.75	7.50	7.63
1343	NASDAQ	OSUR	Tue, Jul 8, 1997	7.63	7.88	7.38	7.50
1342	NASDAQ	OSUR	Mon, Jul 7, 1997	7.50	7.88	7.50	7.88
1341	NASDAQ	OSUR	Thu, Jul 3, 1997	7.50	7.75	7.50	7.50
1340	NASDAQ	OSUR	Wed, Jul 2, 1997	8.00	8.00	7.50	7.50
1339	NASDAQ	OSUR	Tue, Jul 1, 1997	7.88	8.00	7.38	8.00
1338	NASDAQ	OSUR	Mon, Jun 30, 1997	7.69	7.88	7.25	7.88
1337	NASDAQ	OSUR	Fri, Jun 27, 1997	7.75	7.88	7.38	7.50
1336	NASDAQ	OSUR	Thu, Jun 26, 1997	8.00	8.00	7.50	7.56
1335	NASDAQ	OSUR	Wed, Jun 25, 1997	7.88	8.00	7.50	7.81
1334	NASDAQ	OSUR	Tue, Jun 24, 1997	8.13	8.13	7.50	7.50
1333	NASDAQ	OSUR	Mon, Jun 23, 1997	8.63	8.63	7.75	8.00
1332	NASDAQ	OSUR	Fri, Jun 20, 1997	8.63	8.75	8.38	8.38
1331	NASDAQ	OSUR	Thu, Jun 19, 1997	8.50	9.50	8.38	8.88
1330	NASDAQ	OSUR	Wed, Jun 18, 1997	7.13	8.50	6.88	8.25
1329	NASDAQ	OSUR	Tue, Jun 17, 1997	7.50	7.88	7.13	7.50
1328	NASDAQ	OSUR	Mon, Jun 16, 1997	7.50	7.75	7.50	7.75
1327	NASDAQ	OSUR	Fri, Jun 13, 1997	7.50	7.88	7.50	7.75
1326	NASDAQ	OSUR	Thu, Jun 12, 1997	7.81	7.88	7.50	7.50
1325	NASDAQ	OSUR	Wed, Jun 11, 1997	7.63	8.00	7.63	7.75
1324	NASDAQ	OSUR	Tue, Jun 10, 1997	7.88	8.13	7.75	8.00
1323	NASDAQ	OSUR	Mon, Jun 9, 1997	8.00	8.13	7.88	8.00
1322	NASDAQ	OSUR	Fri, Jun 6, 1997	8.13	8.13	7.88	8.00
1321	NASDAQ	OSUR	Thu, Jun 5, 1997	8.13	8.13	7.63	8.13
1320	NASDAQ	OSUR	Wed, Jun 4, 1997	8.13	8.13	7.88	7.88
1319	NASDAQ	OSUR	Tue, Jun 3, 1997	7.88	8.38	7.88	8.13
1318	NASDAQ	OSUR	Mon, Jun 2, 1997	8.38	8.63	8.00	8.00
1317	NASDAQ	OSUR	Fri, May 30, 1997	8.50	8.75	8.13	8.75
1316	NASDAQ	OSUR	Thu, May 29, 1997	8.63	9.00	8.63	8.63
1315	NASDAQ	OSUR	Wed, May 28, 1997	9.25	9.25	8.63	8.63
1314	NASDAQ	OSUR	Tue, May 27, 1997	9.13	9.50	8.75	8.88
1313	NASDAQ	OSUR	Fri, May 23, 1997	9.50	9.88	9.13	9.13
1312	NASDAQ	OSUR	Thu, May 22, 1997	10.13	10.13	9.50	9.69
1311	NASDAQ	OSUR	Wed, May 21, 1997	9.75	10.50	9.75	9.88
1310	NASDAQ	OSUR	Tue, May 20, 1997	9.25	10.13	9.25	10.00
1309	NASDAQ	OSUR	Mon, May 19, 1997	9.38	9.75	9.25	9.25
1308	NASDAQ	OSUR	Fri, May 16, 1997	10.00	10.25	9.25	9.75
1307	NASDAQ	OSUR	Thu, May 15, 1997	10.50	10.50	10.00	10.13
1306	NASDAQ	OSUR	Wed, May 14, 1997	9.88	10.50	9.88	10.50
1305	NASDAQ	OSUR	Tue, May 13, 1997	9.88	10.13	9.88	10.00
1304	NASDAQ	OSUR	Mon, May 12, 1997	9.81	10.13	9.63	10.00
1303	NASDAQ	OSUR	Fri, May 9, 1997	9.88	10.25	9.50	9.63
1302	NASDAQ	OSUR	Thu, May 8, 1997	10.38	10.38	9.88	9.88
1301	NASDAQ	OSUR	Wed, May 7, 1997	10.13	11.13	9.88	10.00
1300	NASDAQ	OSUR	Tue, May 6, 1997	8.63	10.13	8.38	10.00
1299	NASDAQ	OSUR	Mon, May 5, 1997	7.75	8.50	7.63	8.50
1298	NASDAQ	OSUR	Fri, May 2, 1997	6.88	7.75	6.88	7.75
1297	NASDAQ	OSUR	Thu, May 1, 1997	7.25	7.25	6.88	7.00
1296	NASDAQ	OSUR	Wed, Apr 30, 1997	7.00	7.38	7.00	7.00
1295	NASDAQ	OSUR	Tue, Apr 29, 1997	7.25	7.25	6.88	7.00
1294	NASDAQ	OSUR	Mon, Apr 28, 1997	7.00	7.50	6.63	7.13
1293	NASDAQ	OSUR	Fri, Apr 25, 1997	6.75	7.00	6.50	6.63
1292	NASDAQ	OSUR	Thu, Apr 24, 1997	8.00	8.38	6.38	6.38
1291	NASDAQ	OSUR	Wed, Apr 23, 1997	8.13	8.13	7.38	7.63
1290	NASDAQ	OSUR	Tue, Apr 22, 1997	8.25	8.38	7.75	7.75
1289	NASDAQ	OSUR	Mon, Apr 21, 1997	8.50	8.50	7.88	7.88
1288	NASDAQ	OSUR	Fri, Apr 18, 1997	7.88	8.25	7.88	8.25
1287	NASDAQ	OSUR	Thu, Apr 17, 1997	8.75	8.75	7.88	8.06
1286	NASDAQ	OSUR	Wed, Apr 16, 1997	8.88	8.88	8.25	8.75
1285	NASDAQ	OSUR	Tue, Apr 15, 1997	8.63	9.00	8.25	8.38
1284	NASDAQ	OSUR	Mon, Apr 14, 1997	8.25	8.63	7.75	8.25
1283	NASDAQ	OSUR	Fri, Apr 11, 1997	8.50	8.63	7.75	7.88
1282	NASDAQ	OSUR	Thu, Apr 10, 1997	8.63	8.88	8.25	8.50
1281	NASDAQ	OSUR	Wed, Apr 9, 1997	9.25	9.25	8.38	8.63
1280	NASDAQ	OSUR	Tue, Apr 8, 1997	9.75	9.75	8.75	8.75
1279	NASDAQ	OSUR	Mon, Apr 7, 1997	8.00	9.75	7.63	9.38
1278	NASDAQ	OSUR	Fri, Apr 4, 1997	7.00	8.25	6.88	7.88
1277	NASDAQ	OSUR	Thu, Apr 3, 1997	7.13	8.13	6.25	7.25
1276	NASDAQ	OSUR	Wed, Apr 2, 1997	9.75	9.75	7.63	8.25
1275	NASDAQ	OSUR	Tue, Apr 1, 1997	10.25	10.50	10.13	10.13
1274	NASDAQ	OSUR	Mon, Mar 31, 1997	10.50	10.50	10.13	10.50
1273	NASDAQ	OSUR	Thu, Mar 27, 1997	10.25	10.50	9.75	10.50
1272	NASDAQ	OSUR	Wed, Mar 26, 1997	10.63	10.88	10.25	10.50
1271	NASDAQ	OSUR	Tue, Mar 25, 1997	10.88	11.13	10.63	10.75
1270	NASDAQ	OSUR	Mon, Mar 24, 1997	10.88	11.13	10.75	11.00
1269	NASDAQ	OSUR	Fri, Mar 21, 1997	10.75	11.13	10.75	11.13
1268	NASDAQ	OSUR	Thu, Mar 20, 1997	11.25	11.63	10.63	10.81
1267	NASDAQ	OSUR	Wed, Mar 19, 1997	11.50	11.63	11.25	11.25
1266	NASDAQ	OSUR	Tue, Mar 18, 1997	11.50	12.00	11.50	11.50
1265	NASDAQ	OSUR	Mon, Mar 17, 1997	12.00	12.25	11.88	12.25
1264	NASDAQ	OSUR	Fri, Mar 14, 1997	12.63	12.63	12.00	12.00
1263	NASDAQ	OSUR	Thu, Mar 13, 1997	12.75	13.00	12.13	12.25
1262	NASDAQ	OSUR	Wed, Mar 12, 1997	12.88	13.25	12.88	13.25
1261	NASDAQ	OSUR	Tue, Mar 11, 1997	13.63	13.63	12.88	13.00
1260	NASDAQ	OSUR	Mon, Mar 10, 1997	13.00	13.63	13.00	13.63
1259	NASDAQ	OSUR	Fri, Mar 7, 1997	13.63	13.63	13.13	13.13
1258	NASDAQ	OSUR	Thu, Mar 6, 1997	13.00	13.63	12.75	13.25
1257	NASDAQ	OSUR	Wed, Mar 5, 1997	12.50	12.88	12.38	12.75
1256	NASDAQ	OSUR	Tue, Mar 4, 1997	12.63	12.63	12.25	12.25
1255	NASDAQ	OSUR	Mon, Mar 3, 1997	12.75	12.75	12.25	12.50
1254	NASDAQ	OSUR	Fri, Feb 28, 1997	13.50	13.75	12.75	12.88
1253	NASDAQ	OSUR	Thu, Feb 27, 1997	13.88	14.25	13.50	13.50
1252	NASDAQ	OSUR	Wed, Feb 26, 1997	13.75	14.13	13.50	13.98
1251	NASDAQ	OSUR	Tue, Feb 25, 1997	13.50	14.38	13.50	14.13
1250	NASDAQ	OSUR	Mon, Feb 24, 1997	14.00	14.00	13.50	13.75
1249	NASDAQ	OSUR	Fri, Feb 21, 1997	14.25	14.75	13.50	14.00
1248	NASDAQ	OSUR	Thu, Feb 20, 1997	14.50	14.88	14.25	14.25
1247	NASDAQ	OSUR	Wed, Feb 19, 1997	15.00	15.00	14.38	14.88
1246	NASDAQ	OSUR	Tue, Feb 18, 1997	14.75	15.00	14.38	14.56
1245	NASDAQ	OSUR	Fri, Feb 14, 1997	14.75	15.50	14.75	15.00
1244	NASDAQ	OSUR	Thu, Feb 13, 1997	14.75	15.00	14.75	14.75
1243	NASDAQ	OSUR	Wed, Feb 12, 1997	14.88	15.13	14.75	14.75
1242	NASDAQ	OSUR	Tue, Feb 11, 1997	15.00	15.13	14.50	15.00
1241	NASDAQ	OSUR	Mon, Feb 10, 1997	15.13	15.13	14.63	14.88
1240	NASDAQ	OSUR	Fri, Feb 7, 1997	14.50	15.25	14.50	14.88
1239	NASDAQ	OSUR	Thu, Feb 6, 1997	14.50	15.00	14.25	14.63
1238	NASDAQ	OSUR	Wed, Feb 5, 1997	14.75	15.25	14.25	14.50
1237	NASDAQ	OSUR	Tue, Feb 4, 1997	15.63	16.00	14.75	15.23
1236	NASDAQ	OSUR	Mon, Feb 3, 1997	15.63	16.00	15.25	15.56
1235	NASDAQ	OSUR	Fri, Jan 31, 1997	15.25	15.25	14.13	14.63
1234	NASDAQ	OSUR	Thu, Jan 30, 1997	14.75	15.25	14.75	15.25
1233	NASDAQ	OSUR	Wed, Jan 29, 1997	14.75	15.25	14.75	14.75
1232	NASDAQ	OSUR	Tue, Jan 28, 1997	15.38	15.38	14.75	14.75
1231	NASDAQ	OSUR	Mon, Jan 27, 1997	14.88	15.38	14.88	15.38
1230	NASDAQ	OSUR	Fri, Jan 24, 1997	15.13	15.38	14.88	14.88
1229	NASDAQ	OSUR	Thu, Jan 23, 1997	15.63	16.00	15.25	15.38
1228	NASDAQ	OSUR	Wed, Jan 22, 1997	14.75	15.88	14.38	15.63
1227	NASDAQ	OSUR	Tue, Jan 21, 1997	13.75	14.75	13.13	14.63
1226	NASDAQ	OSUR	Mon, Jan 20, 1997	14.25	14.63	13.50	13.56
1225	NASDAQ	OSUR	Fri, Jan 17, 1997	15.00	15.25	13.88	14.25
1224	NASDAQ	OSUR	Thu, Jan 16, 1997	17.25	17.38	14.50	15.00
1223	NASDAQ	OSUR	Wed, Jan 15, 1997	12.50	16.25	12.25	16.25
1222	NASDAQ	OSUR	Tue, Jan 14, 1997	11.75	11.88	11.50	11.63
1221	NASDAQ	OSUR	Mon, Jan 13, 1997	11.38	11.69	11.00	11.63
1220	NASDAQ	OSUR	Fri, Jan 10, 1997	11.25	11.38	10.75	11.38
1219	NASDAQ	OSUR	Thu, Jan 9, 1997	11.50	11.75	11.00	11.00
1218	NASDAQ	OSUR	Wed, Jan 8, 1997	10.75	11.75	10.75	11.50
1217	NASDAQ	OSUR	Tue, Jan 7, 1997	11.63	11.63	10.75	10.81
1216	NASDAQ	OSUR	Mon, Jan 6, 1997	11.75	12.13	11.25	11.31
1215	NASDAQ	OSUR	Fri, Jan 3, 1997	12.38	12.38	12.00	12.25
1214	NASDAQ	OSUR	Thu, Jan 2, 1997	12.00	12.63	11.50	12.13
1213	NASDAQ	OSUR	Tue, Dec 31, 1996	11.13	11.50	10.88	11.50
1212	NASDAQ	OSUR	Mon, Dec 30, 1996	11.75	11.75	11.13	11.38
1211	NASDAQ	OSUR	Fri, Dec 27, 1996	12.00	12.00	11.38	11.50
1210	NASDAQ	OSUR	Thu, Dec 26, 1996	12.13	12.13	11.38	11.88
1209	NASDAQ	OSUR	Tue, Dec 24, 1996	12.38	12.38	11.88	12.00
1208	NASDAQ	OSUR	Mon, Dec 23, 1996	13.38	13.38	12.63	12.63
1207	NASDAQ	OSUR	Fri, Dec 20, 1996	13.00	13.50	12.50	13.38
1206	NASDAQ	OSUR	Thu, Dec 19, 1996	12.13	13.25	12.13	12.63
1205	NASDAQ	OSUR	Wed, Dec 18, 1996	11.75	12.00	11.75	12.00
1204	NASDAQ	OSUR	Tue, Dec 17, 1996	11.75	11.88	11.50	11.63
1203	NASDAQ	OSUR	Mon, Dec 16, 1996	11.75	12.13	11.50	12.00
1202	NASDAQ	OSUR	Fri, Dec 13, 1996	11.38	11.88	11.38	11.75
1201	NASDAQ	OSUR	Thu, Dec 12, 1996	11.13	11.38	11.13	11.38
1200	NASDAQ	OSUR	Wed, Dec 11, 1996	11.25	11.38	10.88	11.13
1199	NASDAQ	OSUR	Tue, Dec 10, 1996	11.38	11.63	11.25	11.25
1198	NASDAQ	OSUR	Mon, Dec 9, 1996	11.75	11.88	11.38	11.63
1197	NASDAQ	OSUR	Fri, Dec 6, 1996	11.63	12.13	11.13	11.75
1196	NASDAQ	OSUR	Thu, Dec 5, 1996	11.63	12.00	11.38	11.63
1195	NASDAQ	OSUR	Wed, Dec 4, 1996	11.88	12.00	11.00	11.75
1194	NASDAQ	OSUR	Tue, Dec 3, 1996	11.75	12.13	11.75	11.88
1193	NASDAQ	OSUR	Mon, Dec 2, 1996	12.13	12.13	11.63	11.88
1192	NASDAQ	OSUR	Fri, Nov 29, 1996	11.75	12.63	11.75	12.25
1191	NASDAQ	OSUR	Wed, Nov 27, 1996	12.13	12.25	11.63	11.63
1190	NASDAQ	OSUR	Tue, Nov 26, 1996	12.88	13.13	12.00	12.13
1189	NASDAQ	OSUR	Mon, Nov 25, 1996	13.50	13.63	12.75	13.00
1188	NASDAQ	OSUR	Fri, Nov 22, 1996	13.25	13.63	13.13	13.50
1187	NASDAQ	OSUR	Thu, Nov 21, 1996	13.25	13.25	13.00	13.13
1186	NASDAQ	OSUR	Wed, Nov 20, 1996	13.38	13.63	13.13	13.50
1185	NASDAQ	OSUR	Tue, Nov 19, 1996	13.38	14.13	13.25	13.50
1184	NASDAQ	OSUR	Mon, Nov 18, 1996	13.50	13.63	13.25	13.25
1183	NASDAQ	OSUR	Fri, Nov 15, 1996	14.00	14.00	13.50	13.63
1182	NASDAQ	OSUR	Thu, Nov 14, 1996	13.38	13.88	13.25	13.75
1181	NASDAQ	OSUR	Wed, Nov 13, 1996	13.13	13.50	13.13	13.25
1180	NASDAQ	OSUR	Tue, Nov 12, 1996	13.00	13.13	12.88	13.00
1179	NASDAQ	OSUR	Mon, Nov 11, 1996	13.88	13.88	13.00	13.00
1178	NASDAQ	OSUR	Fri, Nov 8, 1996	14.63	14.63	13.50	13.88
1177	NASDAQ	OSUR	Thu, Nov 7, 1996	15.38	16.00	14.38	14.75
1176	NASDAQ	OSUR	Wed, Nov 6, 1996	14.88	15.38	14.88	15.25
1175	NASDAQ	OSUR	Tue, Nov 5, 1996	15.38	15.50	14.88	15.00
1174	NASDAQ	OSUR	Mon, Nov 4, 1996	14.88	15.50	14.75	15.50
1173	NASDAQ	OSUR	Fri, Nov 1, 1996	15.13	15.25	14.88	14.88
1172	NASDAQ	OSUR	Thu, Oct 31, 1996	15.75	15.75	15.13	15.25
1171	NASDAQ	OSUR	Wed, Oct 30, 1996	15.75	16.38	15.50	15.88
1170	NASDAQ	OSUR	Tue, Oct 29, 1996	14.88	15.75	14.63	15.75
1169	NASDAQ	OSUR	Mon, Oct 28, 1996	14.88	14.88	14.63	14.63
1168	NASDAQ	OSUR	Fri, Oct 25, 1996	14.38	14.88	14.38	14.88
1167	NASDAQ	OSUR	Thu, Oct 24, 1996	13.88	14.25	13.75	14.25
1166	NASDAQ	OSUR	Wed, Oct 23, 1996	13.75	13.88	13.50	13.88
1165	NASDAQ	OSUR	Tue, Oct 22, 1996	13.75	13.88	13.50	13.63
1164	NASDAQ	OSUR	Mon, Oct 21, 1996	13.88	14.00	13.63	13.63
1163	NASDAQ	OSUR	Fri, Oct 18, 1996	13.63	14.13	13.63	13.75
1162	NASDAQ	OSUR	Thu, Oct 17, 1996	13.50	13.75	13.38	13.63
1161	NASDAQ	OSUR	Wed, Oct 16, 1996	13.50	13.63	13.38	13.50
1160	NASDAQ	OSUR	Tue, Oct 15, 1996	13.88	13.88	13.63	13.75
1159	NASDAQ	OSUR	Mon, Oct 14, 1996	14.50	14.63	14.00	14.00
1158	NASDAQ	OSUR	Fri, Oct 11, 1996	14.50	14.63	14.25	14.63
1157	NASDAQ	OSUR	Thu, Oct 10, 1996	13.75	14.63	13.63	14.50
1156	NASDAQ	OSUR	Wed, Oct 9, 1996	13.38	14.00	13.00	14.00
1155	NASDAQ	OSUR	Tue, Oct 8, 1996	13.75	13.75	13.38	13.50
1154	NASDAQ	OSUR	Mon, Oct 7, 1996	13.88	13.88	13.63	13.88
1153	NASDAQ	OSUR	Fri, Oct 4, 1996	13.50	14.00	13.50	13.88
1152	NASDAQ	OSUR	Thu, Oct 3, 1996	13.50	13.63	13.38	13.38
1151	NASDAQ	OSUR	Wed, Oct 2, 1996	13.63	13.63	13.38	13.63
1150	NASDAQ	OSUR	Tue, Oct 1, 1996	13.63	13.88	13.38	13.63
1149	NASDAQ	OSUR	Mon, Sep 30, 1996	13.75	14.00	13.63	13.88
1148	NASDAQ	OSUR	Fri, Sep 27, 1996	14.00	14.00	13.63	13.63
1147	NASDAQ	OSUR	Thu, Sep 26, 1996	13.50	14.13	13.38	14.13
1146	NASDAQ	OSUR	Wed, Sep 25, 1996	13.38	13.75	13.38	13.50
1145	NASDAQ	OSUR	Tue, Sep 24, 1996	13.13	13.63	13.00	13.25
1144	NASDAQ	OSUR	Mon, Sep 23, 1996	13.25	13.25	13.00	13.00
1143	NASDAQ	OSUR	Fri, Sep 20, 1996	13.63	13.63	13.13	13.25
1142	NASDAQ	OSUR	Thu, Sep 19, 1996	13.88	13.88	13.75	13.75
1141	NASDAQ	OSUR	Wed, Sep 18, 1996	14.63	14.88	13.88	13.88
1140	NASDAQ	OSUR	Tue, Sep 17, 1996	13.63	14.38	13.25	14.38
1139	NASDAQ	OSUR	Mon, Sep 16, 1996	14.00	14.25	13.63	13.63
1138	NASDAQ	OSUR	Fri, Sep 13, 1996	13.88	14.13	13.75	14.00
1137	NASDAQ	OSUR	Thu, Sep 12, 1996	13.13	13.88	13.13	13.88
1136	NASDAQ	OSUR	Wed, Sep 11, 1996	13.38	13.38	12.88	13.25
1135	NASDAQ	OSUR	Tue, Sep 10, 1996	13.38	13.75	13.38	13.38
1134	NASDAQ	OSUR	Mon, Sep 9, 1996	13.38	13.63	13.38	13.63
1133	NASDAQ	OSUR	Fri, Sep 6, 1996	13.25	13.50	13.25	13.38
1132	NASDAQ	OSUR	Thu, Sep 5, 1996	13.88	13.88	13.25	13.25
1131	NASDAQ	OSUR	Wed, Sep 4, 1996	14.38	14.38	13.88	13.88
1130	NASDAQ	OSUR	Tue, Sep 3, 1996	14.25	14.50	14.25	14.38
1129	NASDAQ	OSUR	Fri, Aug 30, 1996	14.75	14.75	14.50	14.50
1128	NASDAQ	OSUR	Thu, Aug 29, 1996	14.88	15.00	14.75	14.88
1127	NASDAQ	OSUR	Wed, Aug 28, 1996	14.38	15.38	14.38	15.25
1126	NASDAQ	OSUR	Tue, Aug 27, 1996	13.88	14.25	13.63	14.25
1125	NASDAQ	OSUR	Mon, Aug 26, 1996	13.88	13.88	13.63	13.75
1124	NASDAQ	OSUR	Fri, Aug 23, 1996	13.75	13.88	13.63	13.88
1123	NASDAQ	OSUR	Thu, Aug 22, 1996	14.00	14.13	13.88	14.00
1122	NASDAQ	OSUR	Wed, Aug 21, 1996	13.50	14.00	13.50	13.75
1121	NASDAQ	OSUR	Tue, Aug 20, 1996	13.50	13.63	13.38	13.63
1120	NASDAQ	OSUR	Mon, Aug 19, 1996	13.50	13.63	13.13	13.63
1119	NASDAQ	OSUR	Fri, Aug 16, 1996	13.63	13.75	13.63	13.63
1118	NASDAQ	OSUR	Thu, Aug 15, 1996	14.00	14.13	13.75	13.88
1117	NASDAQ	OSUR	Wed, Aug 14, 1996	13.88	14.00	13.75	13.88
1116	NASDAQ	OSUR	Tue, Aug 13, 1996	13.50	13.88	13.38	13.88
1115	NASDAQ	OSUR	Mon, Aug 12, 1996	14.00	14.00	13.38	13.38
1114	NASDAQ	OSUR	Fri, Aug 9, 1996	14.00	14.00	13.63	13.88
1113	NASDAQ	OSUR	Thu, Aug 8, 1996	13.63	14.00	13.25	14.00
1112	NASDAQ	OSUR	Wed, Aug 7, 1996	13.63	13.63	12.88	13.50
1111	NASDAQ	OSUR	Tue, Aug 6, 1996	14.00	14.00	13.75	13.88
1110	NASDAQ	OSUR	Mon, Aug 5, 1996	14.13	14.38	13.63	13.75
1109	NASDAQ	OSUR	Fri, Aug 2, 1996	12.88	14.13	12.88	14.00
1108	NASDAQ	OSUR	Thu, Aug 1, 1996	14.00	14.88	13.13	13.38
1107	NASDAQ	OSUR	Wed, Jul 31, 1996	14.25	14.38	14.00	14.00
1106	NASDAQ	OSUR	Tue, Jul 30, 1996	13.25	14.38	13.25	14.25
1105	NASDAQ	OSUR	Mon, Jul 29, 1996	12.75	13.38	12.75	13.38
1104	NASDAQ	OSUR	Fri, Jul 26, 1996	12.38	13.25	12.38	13.00
1103	NASDAQ	OSUR	Thu, Jul 25, 1996	12.50	12.88	12.13	12.13
1102	NASDAQ	OSUR	Wed, Jul 24, 1996	13.50	13.50	12.38	12.50
1101	NASDAQ	OSUR	Tue, Jul 23, 1996	13.63	14.25	13.50	13.50
1100	NASDAQ	OSUR	Mon, Jul 22, 1996	13.88	14.00	13.63	13.75
1099	NASDAQ	OSUR	Fri, Jul 19, 1996	14.25	14.50	13.75	13.75
1098	NASDAQ	OSUR	Thu, Jul 18, 1996	14.00	14.25	13.75	14.13
1097	NASDAQ	OSUR	Wed, Jul 17, 1996	13.13	14.00	13.00	13.88
1096	NASDAQ	OSUR	Tue, Jul 16, 1996	13.00	13.38	11.75	13.13
1095	NASDAQ	OSUR	Mon, Jul 15, 1996	14.25	14.25	13.50	13.63
1094	NASDAQ	OSUR	Fri, Jul 12, 1996	14.25	14.50	14.00	14.13
1093	NASDAQ	OSUR	Thu, Jul 11, 1996	14.38	14.75	13.88	14.38
1092	NASDAQ	OSUR	Wed, Jul 10, 1996	14.75	14.88	14.13	14.50
1091	NASDAQ	OSUR	Tue, Jul 9, 1996	14.88	15.38	14.75	14.75
1090	NASDAQ	OSUR	Mon, Jul 8, 1996	15.13	15.13	14.50	14.75
1089	NASDAQ	OSUR	Fri, Jul 5, 1996	15.38	15.38	15.00	15.13
1088	NASDAQ	OSUR	Wed, Jul 3, 1996	15.75	15.75	15.38	15.50
1087	NASDAQ	OSUR	Tue, Jul 2, 1996	15.88	15.88	15.50	15.75
1086	NASDAQ	OSUR	Mon, Jul 1, 1996	15.75	16.13	15.63	15.75
1085	NASDAQ	OSUR	Fri, Jun 28, 1996	16.00	16.25	15.63	15.63
1084	NASDAQ	OSUR	Thu, Jun 27, 1996	15.63	16.00	15.50	15.88
1083	NASDAQ	OSUR	Wed, Jun 26, 1996	16.50	16.63	15.88	15.88
1082	NASDAQ	OSUR	Tue, Jun 25, 1996	16.63	16.63	16.25	16.63
1081	NASDAQ	OSUR	Mon, Jun 24, 1996	16.63	17.00	16.50	16.88
1080	NASDAQ	OSUR	Fri, Jun 21, 1996	16.88	17.00	16.25	16.50
1079	NASDAQ	OSUR	Thu, Jun 20, 1996	16.75	17.00	16.63	17.00
1078	NASDAQ	OSUR	Wed, Jun 19, 1996	17.38	17.38	16.75	16.88
1077	NASDAQ	OSUR	Tue, Jun 18, 1996	18.88	18.88	17.38	17.38
1076	NASDAQ	OSUR	Mon, Jun 17, 1996	19.00	19.13	18.88	18.88
1075	NASDAQ	OSUR	Fri, Jun 14, 1996	18.88	19.00	18.38	18.88
1074	NASDAQ	OSUR	Thu, Jun 13, 1996	19.00	19.13	18.50	18.88
1073	NASDAQ	OSUR	Wed, Jun 12, 1996	19.25	19.38	19.13	19.13
1072	NASDAQ	OSUR	Tue, Jun 11, 1996	19.25	19.50	19.00	19.25
1071	NASDAQ	OSUR	Mon, Jun 10, 1996	19.50	19.50	19.38	19.38
1070	NASDAQ	OSUR	Fri, Jun 7, 1996	19.75	19.75	19.00	19.50
1069	NASDAQ	OSUR	Thu, Jun 6, 1996	19.88	20.25	19.38	19.50
1068	NASDAQ	OSUR	Wed, Jun 5, 1996	20.38	20.38	19.50	19.75
1067	NASDAQ	OSUR	Tue, Jun 4, 1996	21.88	22.00	20.13	20.38
1066	NASDAQ	OSUR	Mon, Jun 3, 1996	20.63	22.88	20.25	21.50
1065	NASDAQ	OSUR	Fri, May 31, 1996	19.50	21.00	19.50	20.50
1064	NASDAQ	OSUR	Thu, May 30, 1996	19.63	19.75	19.13	19.63
1063	NASDAQ	OSUR	Wed, May 29, 1996	20.25	20.25	19.63	19.63
1062	NASDAQ	OSUR	Tue, May 28, 1996	19.75	20.38	19.63	20.13
1061	NASDAQ	OSUR	Fri, May 24, 1996	19.50	20.25	19.38	19.75
1060	NASDAQ	OSUR	Thu, May 23, 1996	19.00	19.38	18.75	19.25
1059	NASDAQ	OSUR	Wed, May 22, 1996	19.00	19.00	18.63	18.88
1058	NASDAQ	OSUR	Tue, May 21, 1996	18.88	19.00	18.75	18.88
1057	NASDAQ	OSUR	Mon, May 20, 1996	18.63	18.88	18.50	18.63
1056	NASDAQ	OSUR	Fri, May 17, 1996	18.75	18.88	18.50	18.63
1055	NASDAQ	OSUR	Thu, May 16, 1996	19.00	19.50	18.75	18.75
1054	NASDAQ	OSUR	Wed, May 15, 1996	19.25	20.00	19.13	19.13
1053	NASDAQ	OSUR	Tue, May 14, 1996	18.88	19.38	18.63	19.25
1052	NASDAQ	OSUR	Mon, May 13, 1996	18.63	19.25	18.50	18.88
1051	NASDAQ	OSUR	Fri, May 10, 1996	18.50	19.00	18.38	18.88
1050	NASDAQ	OSUR	Thu, May 9, 1996	17.75	18.63	17.63	18.63
1049	NASDAQ	OSUR	Wed, May 8, 1996	18.00	18.00	17.63	17.88
1048	NASDAQ	OSUR	Tue, May 7, 1996	17.63	18.00	17.63	18.00
1047	NASDAQ	OSUR	Mon, May 6, 1996	18.25	18.25	17.63	17.75
1046	NASDAQ	OSUR	Fri, May 3, 1996	17.88	18.13	17.75	18.13
1045	NASDAQ	OSUR	Thu, May 2, 1996	17.88	18.13	17.63	17.88
1044	NASDAQ	OSUR	Wed, May 1, 1996	18.50	18.50	17.75	17.88
1043	NASDAQ	OSUR	Tue, Apr 30, 1996	17.75	18.50	17.63	18.50
1042	NASDAQ	OSUR	Mon, Apr 29, 1996	18.00	18.00	17.75	17.88
1041	NASDAQ	OSUR	Fri, Apr 26, 1996	18.00	18.13	17.38	17.88
1040	NASDAQ	OSUR	Thu, Apr 25, 1996	18.00	18.00	17.63	17.75
1039	NASDAQ	OSUR	Wed, Apr 24, 1996	18.88	19.13	18.25	18.25
1038	NASDAQ	OSUR	Tue, Apr 23, 1996	18.00	19.13	18.00	18.75
1037	NASDAQ	OSUR	Mon, Apr 22, 1996	18.13	18.25	17.88	18.00
1036	NASDAQ	OSUR	Fri, Apr 19, 1996	18.75	18.88	18.00	18.25
1035	NASDAQ	OSUR	Thu, Apr 18, 1996	18.88	18.88	18.25	18.63
1034	NASDAQ	OSUR	Wed, Apr 17, 1996	17.75	19.00	17.63	18.88
1033	NASDAQ	OSUR	Tue, Apr 16, 1996	17.88	18.00	17.63	17.75
1032	NASDAQ	OSUR	Mon, Apr 15, 1996	17.75	17.88	17.25	17.88
1031	NASDAQ	OSUR	Fri, Apr 12, 1996	18.00	18.00	17.50	17.63
1030	NASDAQ	OSUR	Thu, Apr 11, 1996	17.50	17.88	17.50	17.88
1029	NASDAQ	OSUR	Wed, Apr 10, 1996	17.25	18.13	17.25	17.63
1028	NASDAQ	OSUR	Tue, Apr 9, 1996	16.13	17.13	15.88	17.13
1027	NASDAQ	OSUR	Mon, Apr 8, 1996	16.38	16.38	16.00	16.25
1026	NASDAQ	OSUR	Thu, Apr 4, 1996	16.75	16.75	16.25	16.50
1025	NASDAQ	OSUR	Wed, Apr 3, 1996	16.50	17.00	16.50	17.00
1024	NASDAQ	OSUR	Tue, Apr 2, 1996	17.00	17.00	16.63	16.63
1023	NASDAQ	OSUR	Mon, Apr 1, 1996	17.00	17.13	16.88	17.00
1022	NASDAQ	OSUR	Fri, Mar 29, 1996	16.75	17.38	16.75	17.13
1021	NASDAQ	OSUR	Thu, Mar 28, 1996	17.25	17.50	16.88	16.88
1020	NASDAQ	OSUR	Wed, Mar 27, 1996	17.50	17.63	17.13	17.25
1019	NASDAQ	OSUR	Tue, Mar 26, 1996	17.50	17.75	17.38	17.63
1018	NASDAQ	OSUR	Mon, Mar 25, 1996	17.63	17.75	17.38	17.63
1017	NASDAQ	OSUR	Fri, Mar 22, 1996	17.75	17.88	17.63	17.75
1016	NASDAQ	OSUR	Thu, Mar 21, 1996	17.00	18.00	17.00	17.75
1015	NASDAQ	OSUR	Wed, Mar 20, 1996	16.75	17.00	16.63	17.00
1014	NASDAQ	OSUR	Tue, Mar 19, 1996	16.63	16.63	16.38	16.63
1013	NASDAQ	OSUR	Mon, Mar 18, 1996	17.13	17.13	16.50	16.50
1012	NASDAQ	OSUR	Fri, Mar 15, 1996	16.88	16.88	16.63	16.88
1011	NASDAQ	OSUR	Thu, Mar 14, 1996	16.50	17.25	16.38	17.00
1010	NASDAQ	OSUR	Wed, Mar 13, 1996	16.00	16.50	15.88	16.50
1009	NASDAQ	OSUR	Tue, Mar 12, 1996	15.75	16.00	15.63	16.00
1008	NASDAQ	OSUR	Mon, Mar 11, 1996	15.13	16.13	15.13	15.88
1007	NASDAQ	OSUR	Fri, Mar 8, 1996	16.13	16.13	15.13	15.25
1006	NASDAQ	OSUR	Thu, Mar 7, 1996	16.50	16.50	15.63	16.13
1005	NASDAQ	OSUR	Wed, Mar 6, 1996	17.00	17.00	16.63	16.88
1004	NASDAQ	OSUR	Tue, Mar 5, 1996	17.63	17.63	16.75	17.00
1003	NASDAQ	OSUR	Mon, Mar 4, 1996	17.88	18.00	17.63	17.63
1002	NASDAQ	OSUR	Fri, Mar 1, 1996	18.00	18.00	17.63	17.75
1001	NASDAQ	OSUR	Thu, Feb 29, 1996	17.75	17.88	17.50	17.75
1000	NASDAQ	OSUR	Wed, Feb 28, 1996	17.75	18.13	17.75	17.88
999	NASDAQ	OSUR	Tue, Feb 27, 1996	17.88	18.13	17.75	17.88
998	NASDAQ	OSUR	Mon, Feb 26, 1996	17.88	18.13	17.75	17.88
997	NASDAQ	OSUR	Fri, Feb 23, 1996	19.00	19.00	18.13	18.13
996	NASDAQ	OSUR	Thu, Feb 22, 1996	18.88	19.50	18.63	18.88
995	NASDAQ	OSUR	Wed, Feb 21, 1996	17.75	18.63	17.75	18.63
994	NASDAQ	OSUR	Tue, Feb 20, 1996	18.00	18.25	17.63	17.63
993	NASDAQ	OSUR	Fri, Feb 16, 1996	18.38	18.50	18.25	18.50
992	NASDAQ	OSUR	Thu, Feb 15, 1996	17.38	18.88	17.38	18.25
991	NASDAQ	OSUR	Wed, Feb 14, 1996	17.75	17.88	17.13	17.50
990	NASDAQ	OSUR	Tue, Feb 13, 1996	18.00	18.00	17.38	17.63
989	NASDAQ	OSUR	Mon, Feb 12, 1996	17.88	18.13	17.75	18.00
988	NASDAQ	OSUR	Fri, Feb 9, 1996	17.88	17.88	17.63	17.88
987	NASDAQ	OSUR	Thu, Feb 8, 1996	18.38	18.50	17.38	17.75
986	NASDAQ	OSUR	Wed, Feb 7, 1996	19.00	19.00	18.00	18.75
985	NASDAQ	OSUR	Tue, Feb 6, 1996	18.38	19.25	18.38	19.25
984	NASDAQ	OSUR	Mon, Feb 5, 1996	17.63	18.75	17.38	18.63
983	NASDAQ	OSUR	Fri, Feb 2, 1996	17.63	17.63	17.13	17.50
982	NASDAQ	OSUR	Thu, Feb 1, 1996	17.63	17.88	17.25	17.63
981	NASDAQ	OSUR	Wed, Jan 31, 1996	16.63	17.88	16.63	17.88
980	NASDAQ	OSUR	Tue, Jan 30, 1996	16.38	16.63	16.25	16.38
979	NASDAQ	OSUR	Mon, Jan 29, 1996	16.75	17.00	16.13	16.38
978	NASDAQ	OSUR	Fri, Jan 26, 1996	16.75	16.88	16.25	16.75
977	NASDAQ	OSUR	Thu, Jan 25, 1996	15.38	16.75	15.25	16.63
976	NASDAQ	OSUR	Wed, Jan 24, 1996	15.63	16.38	15.38	15.50
975	NASDAQ	OSUR	Tue, Jan 23, 1996	15.38	15.88	15.38	15.63
974	NASDAQ	OSUR	Mon, Jan 22, 1996	15.13	15.63	15.00	15.38
973	NASDAQ	OSUR	Fri, Jan 19, 1996	15.00	16.00	15.00	15.38
972	NASDAQ	OSUR	Thu, Jan 18, 1996	14.75	15.00	14.63	14.88
971	NASDAQ	OSUR	Wed, Jan 17, 1996	14.88	14.88	14.63	14.88
970	NASDAQ	OSUR	Tue, Jan 16, 1996	15.13	15.13	14.38	14.88
969	NASDAQ	OSUR	Mon, Jan 15, 1996	15.13	15.13	15.00	15.00
968	NASDAQ	OSUR	Fri, Jan 12, 1996	14.88	15.13	14.88	15.00
967	NASDAQ	OSUR	Thu, Jan 11, 1996	14.63	15.00	14.63	14.75
966	NASDAQ	OSUR	Wed, Jan 10, 1996	15.00	15.13	14.75	14.75
965	NASDAQ	OSUR	Tue, Jan 9, 1996	15.88	15.88	14.88	15.00
964	NASDAQ	OSUR	Mon, Jan 8, 1996	16.13	16.13	15.63	15.75
963	NASDAQ	OSUR	Fri, Jan 5, 1996	14.25	16.00	14.25	16.00
962	NASDAQ	OSUR	Thu, Jan 4, 1996	15.25	15.38	13.88	14.13
961	NASDAQ	OSUR	Wed, Jan 3, 1996	15.25	15.63	15.00	15.13
960	NASDAQ	OSUR	Tue, Jan 2, 1996	16.25	16.38	15.00	15.25
959	NASDAQ	OSUR	Fri, Dec 29, 1995	16.75	16.88	16.00	16.50
958	NASDAQ	OSUR	Thu, Dec 28, 1995	16.13	16.88	15.88	16.63
957	NASDAQ	OSUR	Wed, Dec 27, 1995	18.00	18.00	15.50	15.75
956	NASDAQ	OSUR	Tue, Dec 26, 1995	13.13	17.88	12.75	17.88
955	NASDAQ	OSUR	Fri, Dec 22, 1995	12.88	13.75	12.88	13.38
954	NASDAQ	OSUR	Thu, Dec 21, 1995	11.50	12.75	11.50	12.63
953	NASDAQ	OSUR	Wed, Dec 20, 1995	11.13	11.75	11.13	11.50
952	NASDAQ	OSUR	Tue, Dec 19, 1995	10.88	11.13	10.75	11.13
951	NASDAQ	OSUR	Mon, Dec 18, 1995	11.63	11.75	10.75	10.88
950	NASDAQ	OSUR	Fri, Dec 15, 1995	12.13	12.13	11.50	11.75
949	NASDAQ	OSUR	Thu, Dec 14, 1995	11.88	12.00	11.75	11.88
948	NASDAQ	OSUR	Wed, Dec 13, 1995	13.00	13.13	12.13	12.13
947	NASDAQ	OSUR	Tue, Dec 12, 1995	13.00	13.38	12.88	12.88
946	NASDAQ	OSUR	Mon, Dec 11, 1995	11.88	13.13	11.75	12.88
945	NASDAQ	OSUR	Fri, Dec 8, 1995	10.88	12.00	10.50	11.88
944	NASDAQ	OSUR	Thu, Dec 7, 1995	11.00	11.13	10.50	10.75
943	NASDAQ	OSUR	Wed, Dec 6, 1995	11.13	11.13	11.00	11.13
942	NASDAQ	OSUR	Tue, Dec 5, 1995	11.13	11.38	11.13	11.13
941	NASDAQ	OSUR	Mon, Dec 4, 1995	11.38	11.50	11.13	11.25
940	NASDAQ	OSUR	Fri, Dec 1, 1995	11.75	12.00	11.38	11.38
939	NASDAQ	OSUR	Thu, Nov 30, 1995	11.38	11.88	10.88	11.75
938	NASDAQ	OSUR	Wed, Nov 29, 1995	11.63	11.75	11.38	11.38
937	NASDAQ	OSUR	Tue, Nov 28, 1995	12.00	12.00	11.50	11.63
936	NASDAQ	OSUR	Mon, Nov 27, 1995	12.13	12.25	11.75	12.00
935	NASDAQ	OSUR	Fri, Nov 24, 1995	11.38	12.00	11.25	12.00
934	NASDAQ	OSUR	Wed, Nov 22, 1995	11.88	11.88	11.13	11.38
933	NASDAQ	OSUR	Tue, Nov 21, 1995	12.00	12.25	11.75	11.88
932	NASDAQ	OSUR	Mon, Nov 20, 1995	12.13	12.50	11.88	12.00
931	NASDAQ	OSUR	Fri, Nov 17, 1995	12.75	12.75	11.75	12.25
930	NASDAQ	OSUR	Thu, Nov 16, 1995	13.50	13.63	13.00	13.00
929	NASDAQ	OSUR	Wed, Nov 15, 1995	13.25	13.50	13.25	13.50
928	NASDAQ	OSUR	Tue, Nov 14, 1995	13.88	13.88	13.13	13.25
927	NASDAQ	OSUR	Mon, Nov 13, 1995	13.13	13.75	13.00	13.75
926	NASDAQ	OSUR	Fri, Nov 10, 1995	13.38	13.50	13.25	13.25
925	NASDAQ	OSUR	Thu, Nov 9, 1995	13.75	13.75	13.25	13.63
924	NASDAQ	OSUR	Wed, Nov 8, 1995	13.75	14.13	13.63	13.63
923	NASDAQ	OSUR	Tue, Nov 7, 1995	13.38	13.63	13.25	13.63
922	NASDAQ	OSUR	Mon, Nov 6, 1995	13.63	13.75	13.25	13.25
921	NASDAQ	OSUR	Fri, Nov 3, 1995	13.38	13.75	13.25	13.63
920	NASDAQ	OSUR	Thu, Nov 2, 1995	14.00	14.25	13.75	13.75
919	NASDAQ	OSUR	Wed, Nov 1, 1995	13.88	14.13	13.63	14.13
918	NASDAQ	OSUR	Tue, Oct 31, 1995	14.50	14.63	13.75	13.75
917	NASDAQ	OSUR	Mon, Oct 30, 1995	15.13	15.13	14.25	14.75
916	NASDAQ	OSUR	Fri, Oct 27, 1995	15.00	15.13	14.00	15.00
915	NASDAQ	OSUR	Thu, Oct 26, 1995	13.50	15.00	13.38	15.00
914	NASDAQ	OSUR	Wed, Oct 25, 1995	11.88	13.38	11.88	13.38
913	NASDAQ	OSUR	Tue, Oct 24, 1995	11.88	12.00	11.63	11.63
912	NASDAQ	OSUR	Mon, Oct 23, 1995	12.00	12.13	11.50	11.75
911	NASDAQ	OSUR	Fri, Oct 20, 1995	12.13	12.38	11.63	12.00
910	NASDAQ	OSUR	Thu, Oct 19, 1995	11.00	12.13	10.75	12.13
909	NASDAQ	OSUR	Wed, Oct 18, 1995	10.63	10.75	10.50	10.75
908	NASDAQ	OSUR	Tue, Oct 17, 1995	10.38	10.75	10.38	10.63
907	NASDAQ	OSUR	Mon, Oct 16, 1995	10.38	10.50	10.13	10.50
906	NASDAQ	OSUR	Fri, Oct 13, 1995	10.25	10.63	10.13	10.25
905	NASDAQ	OSUR	Thu, Oct 12, 1995	10.63	10.63	10.13	10.13
904	NASDAQ	OSUR	Wed, Oct 11, 1995	10.13	10.63	10.00	10.63
903	NASDAQ	OSUR	Tue, Oct 10, 1995	10.13	10.38	9.75	9.88
902	NASDAQ	OSUR	Mon, Oct 9, 1995	11.38	11.38	10.63	10.75
901	NASDAQ	OSUR	Fri, Oct 6, 1995	10.75	11.75	10.50	11.25
900	NASDAQ	OSUR	Thu, Oct 5, 1995	9.88	10.63	9.50	10.50
899	NASDAQ	OSUR	Wed, Oct 4, 1995	12.13	12.13	10.00	10.13
898	NASDAQ	OSUR	Tue, Oct 3, 1995	11.88	12.50	11.75	12.38
897	NASDAQ	OSUR	Mon, Oct 2, 1995	13.63	13.63	11.50	11.63
896	NASDAQ	OSUR	Fri, Sep 29, 1995	14.50	14.50	13.88	14.00
895	NASDAQ	OSUR	Thu, Sep 28, 1995	14.00	14.88	14.00	14.75
894	NASDAQ	OSUR	Wed, Sep 27, 1995	14.38	14.50	14.00	14.00
893	NASDAQ	OSUR	Tue, Sep 26, 1995	14.75	14.75	14.38	14.38
892	NASDAQ	OSUR	Mon, Sep 25, 1995	14.75	14.75	14.38	14.75
891	NASDAQ	OSUR	Fri, Sep 22, 1995	14.75	14.88	14.38	14.88
890	NASDAQ	OSUR	Thu, Sep 21, 1995	14.50	15.00	14.38	14.88
889	NASDAQ	OSUR	Wed, Sep 20, 1995	14.50	14.75	14.38	14.50
888	NASDAQ	OSUR	Tue, Sep 19, 1995	14.63	14.63	14.38	14.63
887	NASDAQ	OSUR	Mon, Sep 18, 1995	14.38	14.63	14.25	14.50
886	NASDAQ	OSUR	Fri, Sep 15, 1995	14.63	14.63	14.13	14.25
885	NASDAQ	OSUR	Thu, Sep 14, 1995	14.63	14.75	14.25	14.63
884	NASDAQ	OSUR	Wed, Sep 13, 1995	14.13	15.00	14.13	14.75
883	NASDAQ	OSUR	Tue, Sep 12, 1995	14.50	14.63	14.00	14.25
882	NASDAQ	OSUR	Mon, Sep 11, 1995	14.75	14.75	14.25	14.63
881	NASDAQ	OSUR	Fri, Sep 8, 1995	15.00	15.13	14.63	14.75
880	NASDAQ	OSUR	Thu, Sep 7, 1995	15.25	15.25	14.63	15.25
879	NASDAQ	OSUR	Wed, Sep 6, 1995	14.88	15.88	14.50	15.13
878	NASDAQ	OSUR	Tue, Sep 5, 1995	15.00	15.00	14.25	14.88
877	NASDAQ	OSUR	Fri, Sep 1, 1995	15.25	15.50	14.75	15.00
876	NASDAQ	OSUR	Thu, Aug 31, 1995	15.13	15.75	15.13	15.38
875	NASDAQ	OSUR	Wed, Aug 30, 1995	14.63	15.25	14.50	15.13
874	NASDAQ	OSUR	Tue, Aug 29, 1995	14.63	14.88	13.75	14.38
873	NASDAQ	OSUR	Mon, Aug 28, 1995	14.63	15.00	14.25	14.75
872	NASDAQ	OSUR	Fri, Aug 25, 1995	15.50	15.63	14.00	14.50
871	NASDAQ	OSUR	Thu, Aug 24, 1995	15.38	15.63	15.25	15.50
870	NASDAQ	OSUR	Wed, Aug 23, 1995	15.63	15.63	15.25	15.25
869	NASDAQ	OSUR	Tue, Aug 22, 1995	16.00	16.00	15.50	15.75
868	NASDAQ	OSUR	Mon, Aug 21, 1995	15.88	16.38	15.75	16.00
867	NASDAQ	OSUR	Fri, Aug 18, 1995	15.75	16.25	15.63	16.13
866	NASDAQ	OSUR	Thu, Aug 17, 1995	15.88	16.00	15.50	15.75
865	NASDAQ	OSUR	Wed, Aug 16, 1995	16.00	16.25	15.75	16.13
864	NASDAQ	OSUR	Tue, Aug 15, 1995	16.25	16.38	15.75	15.75
863	NASDAQ	OSUR	Mon, Aug 14, 1995	16.38	16.75	16.25	16.38
862	NASDAQ	OSUR	Fri, Aug 11, 1995	15.50	16.88	15.50	16.75
861	NASDAQ	OSUR	Thu, Aug 10, 1995	15.25	15.63	15.25	15.63
860	NASDAQ	OSUR	Wed, Aug 9, 1995	15.38	15.88	15.25	15.38
859	NASDAQ	OSUR	Tue, Aug 8, 1995	15.25	15.50	15.13	15.38
858	NASDAQ	OSUR	Mon, Aug 7, 1995	15.38	15.50	15.13	15.13
857	NASDAQ	OSUR	Fri, Aug 4, 1995	15.63	15.63	15.38	15.38
856	NASDAQ	OSUR	Thu, Aug 3, 1995	15.50	15.75	15.38	15.38
855	NASDAQ	OSUR	Wed, Aug 2, 1995	15.25	15.75	15.25	15.63
854	NASDAQ	OSUR	Tue, Aug 1, 1995	15.13	15.38	15.00	15.38
853	NASDAQ	OSUR	Mon, Jul 31, 1995	15.63	15.63	15.13	15.25
852	NASDAQ	OSUR	Fri, Jul 28, 1995	16.00	16.00	15.25	15.63
851	NASDAQ	OSUR	Thu, Jul 27, 1995	15.00	16.13	15.00	16.00
850	NASDAQ	OSUR	Wed, Jul 26, 1995	16.00	16.00	15.00	15.00
849	NASDAQ	OSUR	Tue, Jul 25, 1995	16.13	16.13	15.63	16.00
848	NASDAQ	OSUR	Mon, Jul 24, 1995	16.13	16.38	16.00	16.25
847	NASDAQ	OSUR	Fri, Jul 21, 1995	15.88	16.38	15.63	16.00
846	NASDAQ	OSUR	Thu, Jul 20, 1995	15.75	16.00	15.63	16.00
845	NASDAQ	OSUR	Wed, Jul 19, 1995	16.38	16.50	15.63	16.00
844	NASDAQ	OSUR	Tue, Jul 18, 1995	16.63	16.88	16.13	16.75
843	NASDAQ	OSUR	Mon, Jul 17, 1995	16.50	16.75	16.50	16.50
842	NASDAQ	OSUR	Fri, Jul 14, 1995	17.00	17.00	16.63	16.63
841	NASDAQ	OSUR	Thu, Jul 13, 1995	17.00	17.13	16.88	17.13
840	NASDAQ	OSUR	Wed, Jul 12, 1995	17.13	17.25	16.88	17.13
839	NASDAQ	OSUR	Tue, Jul 11, 1995	17.50	17.63	17.00	17.25
838	NASDAQ	OSUR	Mon, Jul 10, 1995	17.88	17.88	17.50	17.63
837	NASDAQ	OSUR	Fri, Jul 7, 1995	17.25	18.00	17.00	17.88
836	NASDAQ	OSUR	Thu, Jul 6, 1995	16.75	17.25	16.75	17.25
835	NASDAQ	OSUR	Wed, Jul 5, 1995	16.75	17.00	16.75	16.75
834	NASDAQ	OSUR	Mon, Jul 3, 1995	16.75	16.88	16.75	16.75
833	NASDAQ	OSUR	Fri, Jun 30, 1995	16.75	17.00	16.50	16.75
832	NASDAQ	OSUR	Thu, Jun 29, 1995	16.63	16.75	16.50	16.50
831	NASDAQ	OSUR	Wed, Jun 28, 1995	16.50	16.50	16.25	16.50
830	NASDAQ	OSUR	Tue, Jun 27, 1995	16.63	16.75	16.50	16.50
829	NASDAQ	OSUR	Mon, Jun 26, 1995	16.75	17.13	15.75	16.75
828	NASDAQ	OSUR	Fri, Jun 23, 1995	16.63	17.13	16.38	16.88
827	NASDAQ	OSUR	Thu, Jun 22, 1995	16.13	16.63	16.13	16.63
826	NASDAQ	OSUR	Wed, Jun 21, 1995	16.50	16.50	15.88	16.13
825	NASDAQ	OSUR	Tue, Jun 20, 1995	16.63	16.63	15.88	16.38
824	NASDAQ	OSUR	Mon, Jun 19, 1995	16.75	16.75	16.38	16.50
823	NASDAQ	OSUR	Fri, Jun 16, 1995	16.38	16.75	16.00	16.75
822	NASDAQ	OSUR	Thu, Jun 15, 1995	16.25	16.38	16.13	16.38
821	NASDAQ	OSUR	Wed, Jun 14, 1995	15.88	16.63	15.38	16.13
820	NASDAQ	OSUR	Tue, Jun 13, 1995	15.75	16.00	15.75	15.75
819	NASDAQ	OSUR	Mon, Jun 12, 1995	15.63	15.88	15.50	15.63
818	NASDAQ	OSUR	Fri, Jun 9, 1995	15.00	15.75	15.00	15.63
817	NASDAQ	OSUR	Thu, Jun 8, 1995	14.00	14.88	13.63	14.75
816	NASDAQ	OSUR	Wed, Jun 7, 1995	14.38	14.38	13.75	13.75
815	NASDAQ	OSUR	Tue, Jun 6, 1995	14.50	14.63	13.88	14.25
814	NASDAQ	OSUR	Mon, Jun 5, 1995	14.50	14.63	14.50	14.63
813	NASDAQ	OSUR	Fri, Jun 2, 1995	14.63	14.63	14.50	14.63
812	NASDAQ	OSUR	Thu, Jun 1, 1995	14.63	14.88	14.63	14.75
811	NASDAQ	OSUR	Wed, May 31, 1995	14.63	14.75	14.63	14.75
810	NASDAQ	OSUR	Tue, May 30, 1995	14.88	14.88	14.50	14.63
809	NASDAQ	OSUR	Fri, May 26, 1995	14.75	15.00	14.63	14.75
808	NASDAQ	OSUR	Thu, May 25, 1995	14.88	14.88	14.25	14.50
807	NASDAQ	OSUR	Wed, May 24, 1995	15.00	15.25	14.75	14.88
806	NASDAQ	OSUR	Tue, May 23, 1995	15.00	15.00	14.25	14.63
805	NASDAQ	OSUR	Mon, May 22, 1995	15.38	15.38	15.00	15.00
804	NASDAQ	OSUR	Fri, May 19, 1995	15.75	15.75	15.25	15.38
803	NASDAQ	OSUR	Thu, May 18, 1995	16.13	16.13	15.50	15.50
802	NASDAQ	OSUR	Wed, May 17, 1995	16.38	16.50	16.00	16.13
801	NASDAQ	OSUR	Tue, May 16, 1995	16.00	16.75	15.88	16.38
800	NASDAQ	OSUR	Mon, May 15, 1995	16.75	16.75	16.13	16.25
799	NASDAQ	OSUR	Fri, May 12, 1995	16.75	16.75	16.13	16.38
798	NASDAQ	OSUR	Thu, May 11, 1995	16.50	16.75	16.38	16.50
797	NASDAQ	OSUR	Wed, May 10, 1995	16.50	16.75	16.38	16.63
796	NASDAQ	OSUR	Tue, May 9, 1995	16.50	16.88	16.50	16.50
795	NASDAQ	OSUR	Mon, May 8, 1995	16.50	16.63	16.38	16.50
794	NASDAQ	OSUR	Fri, May 5, 1995	16.88	17.00	16.38	16.63
793	NASDAQ	OSUR	Thu, May 4, 1995	17.13	17.25	16.75	17.00
792	NASDAQ	OSUR	Wed, May 3, 1995	16.50	16.88	16.38	16.88
791	NASDAQ	OSUR	Tue, May 2, 1995	16.63	16.63	16.13	16.38
790	NASDAQ	OSUR	Mon, May 1, 1995	17.13	17.13	16.13	16.38
789	NASDAQ	OSUR	Fri, Apr 28, 1995	17.38	17.50	17.00	17.00
788	NASDAQ	OSUR	Thu, Apr 27, 1995	17.13	17.75	17.13	17.38
787	NASDAQ	OSUR	Wed, Apr 26, 1995	17.25	17.25	17.00	17.00
786	NASDAQ	OSUR	Tue, Apr 25, 1995	17.25	17.25	16.88	17.00
785	NASDAQ	OSUR	Mon, Apr 24, 1995	17.38	17.38	16.75	16.88
784	NASDAQ	OSUR	Fri, Apr 21, 1995	17.50	17.50	17.25	17.38
783	NASDAQ	OSUR	Thu, Apr 20, 1995	17.75	17.75	17.25	17.38
782	NASDAQ	OSUR	Wed, Apr 19, 1995	18.00	18.00	17.63	17.63
781	NASDAQ	OSUR	Tue, Apr 18, 1995	17.75	18.13	17.75	18.13
780	NASDAQ	OSUR	Mon, Apr 17, 1995	17.50	17.88	17.25	17.75
779	NASDAQ	OSUR	Thu, Apr 13, 1995	17.25	17.63	17.13	17.63
778	NASDAQ	OSUR	Wed, Apr 12, 1995	17.50	17.50	17.00	17.13
777	NASDAQ	OSUR	Tue, Apr 11, 1995	17.63	17.63	17.25	17.50
776	NASDAQ	OSUR	Mon, Apr 10, 1995	17.38	17.63	17.25	17.50
775	NASDAQ	OSUR	Fri, Apr 7, 1995	17.50	17.50	16.75	17.13
774	NASDAQ	OSUR	Thu, Apr 6, 1995	17.75	17.75	17.13	17.38
773	NASDAQ	OSUR	Wed, Apr 5, 1995	17.63	17.75	17.50	17.63
772	NASDAQ	OSUR	Tue, Apr 4, 1995	18.00	18.00	17.63	17.75
771	NASDAQ	OSUR	Mon, Apr 3, 1995	18.38	18.38	17.88	18.00
770	NASDAQ	OSUR	Fri, Mar 31, 1995	18.63	18.63	17.75	18.38
769	NASDAQ	OSUR	Thu, Mar 30, 1995	19.25	19.25	18.63	18.75
768	NASDAQ	OSUR	Wed, Mar 29, 1995	20.00	20.25	19.00	19.00
767	NASDAQ	OSUR	Tue, Mar 28, 1995	19.00	19.88	19.00	19.88
766	NASDAQ	OSUR	Mon, Mar 27, 1995	19.25	19.25	18.75	19.00
765	NASDAQ	OSUR	Fri, Mar 24, 1995	18.75	19.38	18.75	19.13
764	NASDAQ	OSUR	Thu, Mar 23, 1995	18.75	19.00	18.63	18.75
763	NASDAQ	OSUR	Wed, Mar 22, 1995	18.38	18.63	18.13	18.63
762	NASDAQ	OSUR	Tue, Mar 21, 1995	18.25	18.50	18.25	18.50
761	NASDAQ	OSUR	Mon, Mar 20, 1995	18.75	18.75	18.13	18.25
760	NASDAQ	OSUR	Fri, Mar 17, 1995	19.25	19.25	18.75	18.88
759	NASDAQ	OSUR	Thu, Mar 16, 1995	19.50	19.50	19.00	19.25
758	NASDAQ	OSUR	Wed, Mar 15, 1995	19.63	19.63	19.38	19.50
757	NASDAQ	OSUR	Tue, Mar 14, 1995	19.63	19.75	19.25	19.75
756	NASDAQ	OSUR	Mon, Mar 13, 1995	19.63	19.63	19.13	19.63
755	NASDAQ	OSUR	Fri, Mar 10, 1995	19.38	19.63	19.25	19.50
754	NASDAQ	OSUR	Thu, Mar 9, 1995	19.50	19.50	19.13	19.38
753	NASDAQ	OSUR	Wed, Mar 8, 1995	19.88	19.88	18.75	19.38
752	NASDAQ	OSUR	Tue, Mar 7, 1995	19.75	20.00	19.38	19.63
751	NASDAQ	OSUR	Mon, Mar 6, 1995	20.13	20.38	19.88	20.13
750	NASDAQ	OSUR	Fri, Mar 3, 1995	19.13	20.63	19.00	19.88
749	NASDAQ	OSUR	Thu, Mar 2, 1995	19.13	19.38	18.88	19.13
748	NASDAQ	OSUR	Wed, Mar 1, 1995	18.88	19.25	18.75	19.13
747	NASDAQ	OSUR	Tue, Feb 28, 1995	19.13	19.13	18.38	19.00
746	NASDAQ	OSUR	Mon, Feb 27, 1995	19.88	19.88	19.00	19.00
745	NASDAQ	OSUR	Fri, Feb 24, 1995	18.75	20.00	18.50	19.63
744	NASDAQ	OSUR	Thu, Feb 23, 1995	17.13	18.50	17.13	18.50
743	NASDAQ	OSUR	Wed, Feb 22, 1995	17.63	17.63	16.75	16.88
742	NASDAQ	OSUR	Tue, Feb 21, 1995	17.13	18.50	17.13	17.50
741	NASDAQ	OSUR	Fri, Feb 17, 1995	16.88	17.25	16.75	17.13
740	NASDAQ	OSUR	Thu, Feb 16, 1995	16.38	16.88	16.00	16.88
739	NASDAQ	OSUR	Wed, Feb 15, 1995	16.88	16.88	16.13	16.50
738	NASDAQ	OSUR	Tue, Feb 14, 1995	16.50	17.25	16.50	17.00
737	NASDAQ	OSUR	Mon, Feb 13, 1995	16.38	16.50	16.00	16.50
736	NASDAQ	OSUR	Fri, Feb 10, 1995	17.38	17.50	16.25	16.50
735	NASDAQ	OSUR	Thu, Feb 9, 1995	16.75	17.25	16.75	17.13
734	NASDAQ	OSUR	Wed, Feb 8, 1995	15.75	16.75	15.75	16.75
733	NASDAQ	OSUR	Tue, Feb 7, 1995	16.50	16.50	15.63	15.88
732	NASDAQ	OSUR	Mon, Feb 6, 1995	16.50	16.50	16.25	16.50
731	NASDAQ	OSUR	Fri, Feb 3, 1995	17.25	17.75	16.38	16.50
730	NASDAQ	OSUR	Thu, Feb 2, 1995	16.00	17.63	16.00	17.00
729	NASDAQ	OSUR	Wed, Feb 1, 1995	15.00	15.88	15.00	15.50
728	NASDAQ	OSUR	Tue, Jan 31, 1995	14.50	14.88	14.13	14.75
727	NASDAQ	OSUR	Mon, Jan 30, 1995	14.50	14.63	14.13	14.38
726	NASDAQ	OSUR	Fri, Jan 27, 1995	15.63	15.63	13.63	14.63
725	NASDAQ	OSUR	Thu, Jan 26, 1995	16.25	16.38	15.50	15.63
724	NASDAQ	OSUR	Wed, Jan 25, 1995	16.50	16.63	16.25	16.38
723	NASDAQ	OSUR	Tue, Jan 24, 1995	16.25	16.88	16.25	16.38
722	NASDAQ	OSUR	Mon, Jan 23, 1995	16.38	16.38	15.75	16.25
721	NASDAQ	OSUR	Fri, Jan 20, 1995	16.13	16.63	15.13	16.50
720	NASDAQ	OSUR	Thu, Jan 19, 1995	16.38	16.50	15.63	16.00
719	NASDAQ	OSUR	Wed, Jan 18, 1995	16.75	17.00	16.38	16.63
718	NASDAQ	OSUR	Tue, Jan 17, 1995	17.25	17.25	16.63	16.75
717	NASDAQ	OSUR	Mon, Jan 16, 1995	18.13	18.25	17.50	17.50
716	NASDAQ	OSUR	Fri, Jan 13, 1995	18.25	18.25	17.75	17.88
715	NASDAQ	OSUR	Thu, Jan 12, 1995	18.13	18.50	17.88	18.00
714	NASDAQ	OSUR	Wed, Jan 11, 1995	17.88	18.75	17.75	18.13
713	NASDAQ	OSUR	Tue, Jan 10, 1995	17.25	18.50	17.00	17.88
712	NASDAQ	OSUR	Mon, Jan 9, 1995	18.50	18.50	17.38	17.50
711	NASDAQ	OSUR	Fri, Jan 6, 1995	19.63	19.75	18.88	19.00
710	NASDAQ	OSUR	Thu, Jan 5, 1995	20.25	20.25	19.38	19.88
709	NASDAQ	OSUR	Wed, Jan 4, 1995	21.13	21.13	19.75	20.25
708	NASDAQ	OSUR	Tue, Jan 3, 1995	21.38	21.88	21.25	21.25
707	NASDAQ	OSUR	Fri, Dec 30, 1994	22.38	23.13	21.38	21.38
706	NASDAQ	OSUR	Thu, Dec 29, 1994	21.63	22.50	21.63	22.13
705	NASDAQ	OSUR	Wed, Dec 28, 1994	22.75	22.88	20.88	21.88
704	NASDAQ	OSUR	Tue, Dec 27, 1994	25.88	26.00	22.63	23.25
703	NASDAQ	OSUR	Fri, Dec 23, 1994	21.25	26.00	21.25	24.88
702	NASDAQ	OSUR	Thu, Dec 22, 1994	20.50	21.00	19.88	21.00
701	NASDAQ	OSUR	Wed, Dec 21, 1994	20.38	20.75	20.25	20.63
700	NASDAQ	OSUR	Tue, Dec 20, 1994	20.38	20.75	20.25	20.25
699	NASDAQ	OSUR	Mon, Dec 19, 1994	20.38	20.63	20.38	20.63
698	NASDAQ	OSUR	Fri, Dec 16, 1994	20.38	20.50	20.25	20.38
697	NASDAQ	OSUR	Thu, Dec 15, 1994	20.38	20.50	20.25	20.50
696	NASDAQ	OSUR	Wed, Dec 14, 1994	20.13	20.75	20.13	20.63
695	NASDAQ	OSUR	Tue, Dec 13, 1994	20.50	20.88	20.25	20.38
694	NASDAQ	OSUR	Mon, Dec 12, 1994	20.38	20.50	20.38	20.50
693	NASDAQ	OSUR	Fri, Dec 9, 1994	20.38	20.50	20.25	20.38
692	NASDAQ	OSUR	Thu, Dec 8, 1994	21.38	21.38	20.38	20.50
691	NASDAQ	OSUR	Wed, Dec 7, 1994	20.88	21.25	20.38	21.13
690	NASDAQ	OSUR	Tue, Dec 6, 1994	21.63	22.50	20.38	20.75
689	NASDAQ	OSUR	Mon, Dec 5, 1994	20.38	22.00	19.88	21.88
688	NASDAQ	OSUR	Fri, Dec 2, 1994	19.88	20.88	19.88	20.50
687	NASDAQ	OSUR	Thu, Dec 1, 1994	20.50	20.50	19.63	19.88
686	NASDAQ	OSUR	Wed, Nov 30, 1994	19.00	20.50	19.00	20.50
685	NASDAQ	OSUR	Tue, Nov 29, 1994	19.00	19.13	18.75	19.13
684	NASDAQ	OSUR	Mon, Nov 28, 1994	19.25	19.38	18.75	18.88
683	NASDAQ	OSUR	Fri, Nov 25, 1994	18.75	19.25	18.75	19.25
682	NASDAQ	OSUR	Wed, Nov 23, 1994	19.25	19.25	18.63	18.75
681	NASDAQ	OSUR	Tue, Nov 22, 1994	19.88	19.88	19.50	19.50
680	NASDAQ	OSUR	Mon, Nov 21, 1994	20.00	20.13	19.88	19.88
679	NASDAQ	OSUR	Fri, Nov 18, 1994	20.00	20.13	19.75	20.13
678	NASDAQ	OSUR	Thu, Nov 17, 1994	20.38	20.50	20.00	20.00
677	NASDAQ	OSUR	Wed, Nov 16, 1994	20.13	21.00	20.00	20.38
676	NASDAQ	OSUR	Tue, Nov 15, 1994	19.50	20.25	19.50	20.00
675	NASDAQ	OSUR	Mon, Nov 14, 1994	19.38	19.63	19.25	19.38
674	NASDAQ	OSUR	Fri, Nov 11, 1994	19.63	19.63	19.25	19.38
673	NASDAQ	OSUR	Thu, Nov 10, 1994	19.75	19.75	19.38	19.63
672	NASDAQ	OSUR	Wed, Nov 9, 1994	20.00	20.00	19.63	19.75
671	NASDAQ	OSUR	Tue, Nov 8, 1994	20.38	20.38	19.75	19.88
670	NASDAQ	OSUR	Mon, Nov 7, 1994	20.50	20.50	19.75	20.13
669	NASDAQ	OSUR	Fri, Nov 4, 1994	20.38	20.75	20.25	20.25
668	NASDAQ	OSUR	Thu, Nov 3, 1994	20.00	20.38	19.50	20.38
667	NASDAQ	OSUR	Wed, Nov 2, 1994	19.88	19.88	19.75	19.88
666	NASDAQ	OSUR	Tue, Nov 1, 1994	19.63	19.75	19.38	19.75
665	NASDAQ	OSUR	Mon, Oct 31, 1994	20.00	20.00	19.63	19.88
664	NASDAQ	OSUR	Fri, Oct 28, 1994	20.00	20.50	19.88	19.88
663	NASDAQ	OSUR	Thu, Oct 27, 1994	19.75	19.88	19.50	19.88
662	NASDAQ	OSUR	Wed, Oct 26, 1994	19.75	20.00	19.63	19.63
661	NASDAQ	OSUR	Tue, Oct 25, 1994	20.13	20.50	19.63	19.75
660	NASDAQ	OSUR	Mon, Oct 24, 1994	18.75	21.00	18.75	20.25
659	NASDAQ	OSUR	Fri, Oct 21, 1994	19.25	19.25	18.50	18.63
658	NASDAQ	OSUR	Thu, Oct 20, 1994	19.50	19.63	19.25	19.38
657	NASDAQ	OSUR	Wed, Oct 19, 1994	19.63	19.63	19.25	19.50
656	NASDAQ	OSUR	Tue, Oct 18, 1994	19.63	19.75	19.38	19.63
655	NASDAQ	OSUR	Mon, Oct 17, 1994	19.25	19.75	19.25	19.50
654	NASDAQ	OSUR	Fri, Oct 14, 1994	19.38	19.75	19.25	19.63
653	NASDAQ	OSUR	Thu, Oct 13, 1994	19.63	19.63	19.38	19.38
652	NASDAQ	OSUR	Wed, Oct 12, 1994	19.88	20.00	19.38	19.50
651	NASDAQ	OSUR	Tue, Oct 11, 1994	20.88	20.88	19.75	20.00
650	NASDAQ	OSUR	Mon, Oct 10, 1994	21.25	21.75	20.63	20.75
649	NASDAQ	OSUR	Fri, Oct 7, 1994	20.13	21.25	19.75	21.00
648	NASDAQ	OSUR	Thu, Oct 6, 1994	19.88	20.13	19.75	20.13
647	NASDAQ	OSUR	Wed, Oct 5, 1994	20.25	20.25	19.75	20.00
646	NASDAQ	OSUR	Tue, Oct 4, 1994	20.00	20.38	19.75	20.38
645	NASDAQ	OSUR	Mon, Oct 3, 1994	19.88	20.13	19.88	20.00
644	NASDAQ	OSUR	Fri, Sep 30, 1994	19.50	19.88	19.25	19.88
643	NASDAQ	OSUR	Thu, Sep 29, 1994	19.25	19.63	19.13	19.50
642	NASDAQ	OSUR	Wed, Sep 28, 1994	19.13	19.38	19.13	19.13
641	NASDAQ	OSUR	Tue, Sep 27, 1994	19.63	19.63	18.75	19.13
640	NASDAQ	OSUR	Mon, Sep 26, 1994	19.75	19.88	19.50	19.50
639	NASDAQ	OSUR	Fri, Sep 23, 1994	20.25	20.38	19.75	19.75
638	NASDAQ	OSUR	Thu, Sep 22, 1994	20.25	20.63	20.13	20.25
637	NASDAQ	OSUR	Wed, Sep 21, 1994	20.88	21.00	20.13	20.38
636	NASDAQ	OSUR	Tue, Sep 20, 1994	21.00	21.00	20.63	20.63
635	NASDAQ	OSUR	Mon, Sep 19, 1994	21.25	21.50	20.75	20.88
634	NASDAQ	OSUR	Fri, Sep 16, 1994	20.63	21.13	20.50	21.00
633	NASDAQ	OSUR	Thu, Sep 15, 1994	21.00	21.00	20.38	20.63
632	NASDAQ	OSUR	Wed, Sep 14, 1994	20.38	21.13	20.38	21.00
631	NASDAQ	OSUR	Tue, Sep 13, 1994	19.75	20.38	19.63	20.38
630	NASDAQ	OSUR	Mon, Sep 12, 1994	19.75	20.13	19.50	19.63
629	NASDAQ	OSUR	Fri, Sep 9, 1994	20.00	20.00	19.63	19.88
628	NASDAQ	OSUR	Thu, Sep 8, 1994	19.75	20.25	19.75	19.88
627	NASDAQ	OSUR	Wed, Sep 7, 1994	19.50	20.13	19.38	19.63
626	NASDAQ	OSUR	Tue, Sep 6, 1994	19.25	19.63	18.63	19.50
625	NASDAQ	OSUR	Fri, Sep 2, 1994	20.75	20.75	19.25	19.50
624	NASDAQ	OSUR	Thu, Sep 1, 1994	21.25	21.38	20.63	20.75
623	NASDAQ	OSUR	Wed, Aug 31, 1994	21.00	22.00	21.00	21.00
622	NASDAQ	OSUR	Tue, Aug 30, 1994	20.25	21.00	20.25	21.00
621	NASDAQ	OSUR	Mon, Aug 29, 1994	20.13	20.25	19.88	20.00
620	NASDAQ	OSUR	Fri, Aug 26, 1994	19.88	20.50	19.88	20.00
619	NASDAQ	OSUR	Thu, Aug 25, 1994	20.88	20.88	19.88	20.00
618	NASDAQ	OSUR	Wed, Aug 24, 1994	19.75	21.38	19.50	20.75
617	NASDAQ	OSUR	Tue, Aug 23, 1994	19.13	19.63	19.00	19.63
616	NASDAQ	OSUR	Mon, Aug 22, 1994	18.75	19.38	18.50	19.13
615	NASDAQ	OSUR	Fri, Aug 19, 1994	18.50	18.63	18.38	18.63
614	NASDAQ	OSUR	Thu, Aug 18, 1994	18.25	18.63	18.13	18.63
613	NASDAQ	OSUR	Wed, Aug 17, 1994	18.13	18.38	18.13	18.38
612	NASDAQ	OSUR	Tue, Aug 16, 1994	18.25	18.38	18.00	18.25
611	NASDAQ	OSUR	Mon, Aug 15, 1994	18.50	18.50	17.50	18.50
610	NASDAQ	OSUR	Fri, Aug 12, 1994	19.25	19.25	18.25	18.50
609	NASDAQ	OSUR	Thu, Aug 11, 1994	19.25	19.50	19.00	19.50
608	NASDAQ	OSUR	Wed, Aug 10, 1994	19.13	19.63	19.00	19.38
607	NASDAQ	OSUR	Tue, Aug 9, 1994	19.25	19.75	18.88	19.00
606	NASDAQ	OSUR	Mon, Aug 8, 1994	18.00	19.50	17.75	19.50
605	NASDAQ	OSUR	Fri, Aug 5, 1994	17.25	18.25	17.25	18.00
604	NASDAQ	OSUR	Thu, Aug 4, 1994	17.00	17.25	16.88	17.25
603	NASDAQ	OSUR	Wed, Aug 3, 1994	16.88	17.25	16.75	17.25
602	NASDAQ	OSUR	Tue, Aug 2, 1994	16.38	16.75	16.38	16.63
601	NASDAQ	OSUR	Mon, Aug 1, 1994	16.38	16.63	16.25	16.63
600	NASDAQ	OSUR	Fri, Jul 29, 1994	16.25	16.25	16.00	16.25
599	NASDAQ	OSUR	Thu, Jul 28, 1994	16.88	16.88	16.25	16.50
598	NASDAQ	OSUR	Wed, Jul 27, 1994	16.13	16.88	16.13	16.75
597	NASDAQ	OSUR	Tue, Jul 26, 1994	16.63	16.63	16.38	16.50
596	NASDAQ	OSUR	Mon, Jul 25, 1994	16.63	16.88	16.50	16.63
595	NASDAQ	OSUR	Fri, Jul 22, 1994	17.00	17.00	16.63	16.63
594	NASDAQ	OSUR	Thu, Jul 21, 1994	17.00	17.38	16.75	17.00
593	NASDAQ	OSUR	Wed, Jul 20, 1994	16.63	17.13	16.50	16.88
592	NASDAQ	OSUR	Tue, Jul 19, 1994	15.63	16.75	15.63	16.50
591	NASDAQ	OSUR	Mon, Jul 18, 1994	15.63	15.63	15.38	15.63
590	NASDAQ	OSUR	Fri, Jul 15, 1994	15.88	15.88	15.63	15.63
589	NASDAQ	OSUR	Thu, Jul 14, 1994	15.88	16.00	15.75	16.00
588	NASDAQ	OSUR	Wed, Jul 13, 1994	16.25	16.25	15.88	15.88
587	NASDAQ	OSUR	Tue, Jul 12, 1994	15.88	16.25	15.75	16.25
586	NASDAQ	OSUR	Mon, Jul 11, 1994	16.50	16.50	15.75	16.00
585	NASDAQ	OSUR	Fri, Jul 8, 1994	16.13	16.50	16.00	16.50
584	NASDAQ	OSUR	Thu, Jul 7, 1994	16.00	16.13	15.88	16.13
583	NASDAQ	OSUR	Wed, Jul 6, 1994	15.75	16.00	15.63	15.75
582	NASDAQ	OSUR	Tue, Jul 5, 1994	16.25	16.25	15.88	16.00
581	NASDAQ	OSUR	Fri, Jul 1, 1994	16.25	16.25	16.13	16.25
580	NASDAQ	OSUR	Thu, Jun 30, 1994	16.25	16.50	16.00	16.25
579	NASDAQ	OSUR	Wed, Jun 29, 1994	16.88	16.88	16.00	16.00
578	NASDAQ	OSUR	Tue, Jun 28, 1994	16.75	17.13	16.75	16.88
577	NASDAQ	OSUR	Mon, Jun 27, 1994	15.50	17.00	15.50	16.75
576	NASDAQ	OSUR	Fri, Jun 24, 1994	15.88	15.88	15.38	15.50
575	NASDAQ	OSUR	Thu, Jun 23, 1994	15.63	15.88	15.38	15.75
574	NASDAQ	OSUR	Wed, Jun 22, 1994	15.50	16.75	15.25	15.63
573	NASDAQ	OSUR	Tue, Jun 21, 1994	15.63	15.63	15.00	15.38
572	NASDAQ	OSUR	Mon, Jun 20, 1994	15.25	15.75	15.25	15.38
571	NASDAQ	OSUR	Fri, Jun 17, 1994	15.88	16.00	15.50	15.63
570	NASDAQ	OSUR	Thu, Jun 16, 1994	16.00	16.00	15.75	16.00
569	NASDAQ	OSUR	Wed, Jun 15, 1994	16.00	16.00	15.75	15.75
568	NASDAQ	OSUR	Tue, Jun 14, 1994	15.50	16.00	15.38	16.00
567	NASDAQ	OSUR	Mon, Jun 13, 1994	16.25	16.25	15.50	15.75
566	NASDAQ	OSUR	Fri, Jun 10, 1994	16.00	16.75	16.00	16.00
565	NASDAQ	OSUR	Thu, Jun 9, 1994	15.50	16.00	15.25	15.88
564	NASDAQ	OSUR	Wed, Jun 8, 1994	16.50	16.50	15.63	15.75
563	NASDAQ	OSUR	Tue, Jun 7, 1994	16.63	16.75	16.38	16.50
562	NASDAQ	OSUR	Mon, Jun 6, 1994	17.13	17.13	16.50	16.75
561	NASDAQ	OSUR	Fri, Jun 3, 1994	17.25	17.25	17.00	17.00
560	NASDAQ	OSUR	Thu, Jun 2, 1994	17.50	17.50	17.13	17.13
559	NASDAQ	OSUR	Wed, Jun 1, 1994	16.88	17.38	16.63	17.38
558	NASDAQ	OSUR	Tue, May 31, 1994	16.88	17.13	16.63	16.63
557	NASDAQ	OSUR	Fri, May 27, 1994	16.75	17.13	16.50	16.75
556	NASDAQ	OSUR	Thu, May 26, 1994	16.50	17.50	16.50	17.13
555	NASDAQ	OSUR	Wed, May 25, 1994	16.50	16.75	16.38	16.50
554	NASDAQ	OSUR	Tue, May 24, 1994	16.50	16.50	16.00	16.50
553	NASDAQ	OSUR	Mon, May 23, 1994	15.88	16.63	15.88	16.25
552	NASDAQ	OSUR	Fri, May 20, 1994	15.88	16.75	15.75	15.88
551	NASDAQ	OSUR	Thu, May 19, 1994	15.50	15.88	15.50	15.75
550	NASDAQ	OSUR	Wed, May 18, 1994	16.13	16.13	15.63	15.63
549	NASDAQ	OSUR	Tue, May 17, 1994	16.00	16.00	15.63	16.00
548	NASDAQ	OSUR	Mon, May 16, 1994	15.88	16.00	15.50	15.88
547	NASDAQ	OSUR	Fri, May 13, 1994	16.50	16.50	15.75	16.13
546	NASDAQ	OSUR	Thu, May 12, 1994	16.13	16.50	15.75	16.38
545	NASDAQ	OSUR	Wed, May 11, 1994	17.25	17.25	16.38	16.38
544	NASDAQ	OSUR	Tue, May 10, 1994	17.38	17.50	17.25	17.25
543	NASDAQ	OSUR	Mon, May 9, 1994	17.50	17.88	17.25	17.38
542	NASDAQ	OSUR	Fri, May 6, 1994	18.00	18.00	17.38	17.63
541	NASDAQ	OSUR	Thu, May 5, 1994	16.75	18.13	16.63	18.00
540	NASDAQ	OSUR	Wed, May 4, 1994	18.00	18.00	16.75	17.00
539	NASDAQ	OSUR	Tue, May 3, 1994	18.00	18.88	17.50	18.00
538	NASDAQ	OSUR	Mon, May 2, 1994	15.38	19.38	15.25	17.50
537	NASDAQ	OSUR	Fri, Apr 29, 1994	14.63	15.38	14.63	15.25
536	NASDAQ	OSUR	Thu, Apr 28, 1994	15.13	15.38	14.50	14.50
535	NASDAQ	OSUR	Tue, Apr 26, 1994	15.88	16.13	15.13	15.13
534	NASDAQ	OSUR	Mon, Apr 25, 1994	14.75	16.00	14.75	15.63
533	NASDAQ	OSUR	Fri, Apr 22, 1994	14.38	14.75	14.25	14.75
532	NASDAQ	OSUR	Thu, Apr 21, 1994	14.00	14.50	13.88	14.25
531	NASDAQ	OSUR	Wed, Apr 20, 1994	14.13	14.38	13.75	14.13
530	NASDAQ	OSUR	Tue, Apr 19, 1994	14.38	14.63	14.25	14.25
529	NASDAQ	OSUR	Mon, Apr 18, 1994	14.75	15.00	14.38	14.50
528	NASDAQ	OSUR	Fri, Apr 15, 1994	15.00	15.00	14.75	15.00
527	NASDAQ	OSUR	Thu, Apr 14, 1994	14.63	15.50	14.50	15.00
526	NASDAQ	OSUR	Wed, Apr 13, 1994	15.00	15.00	14.50	14.63
525	NASDAQ	OSUR	Tue, Apr 12, 1994	14.38	15.00	14.38	15.00
524	NASDAQ	OSUR	Mon, Apr 11, 1994	15.13	15.13	14.38	14.50
523	NASDAQ	OSUR	Fri, Apr 8, 1994	14.88	15.13	14.75	15.13
522	NASDAQ	OSUR	Thu, Apr 7, 1994	15.75	15.88	15.00	15.13
521	NASDAQ	OSUR	Wed, Apr 6, 1994	15.13	16.00	14.88	15.63
520	NASDAQ	OSUR	Tue, Apr 5, 1994	15.38	15.50	15.00	15.13
519	NASDAQ	OSUR	Mon, Apr 4, 1994	13.38	15.63	13.38	15.00
518	NASDAQ	OSUR	Thu, Mar 31, 1994	14.00	14.75	13.25	14.50
517	NASDAQ	OSUR	Wed, Mar 30, 1994	14.38	14.50	14.00	14.00
516	NASDAQ	OSUR	Tue, Mar 29, 1994	15.00	15.13	14.50	14.63
515	NASDAQ	OSUR	Mon, Mar 28, 1994	15.38	15.50	15.00	15.00
514	NASDAQ	OSUR	Fri, Mar 25, 1994	16.25	16.25	15.00	15.63
513	NASDAQ	OSUR	Thu, Mar 24, 1994	16.63	16.75	16.13	16.38
512	NASDAQ	OSUR	Wed, Mar 23, 1994	16.38	16.63	16.38	16.50
511	NASDAQ	OSUR	Tue, Mar 22, 1994	16.38	16.63	16.25	16.25
510	NASDAQ	OSUR	Mon, Mar 21, 1994	16.25	16.50	16.00	16.50
509	NASDAQ	OSUR	Fri, Mar 18, 1994	16.63	16.75	16.38	16.50
508	NASDAQ	OSUR	Thu, Mar 17, 1994	16.63	17.00	16.38	17.00
507	NASDAQ	OSUR	Wed, Mar 16, 1994	16.38	16.50	16.13	16.38
506	NASDAQ	OSUR	Tue, Mar 15, 1994	16.38	16.50	16.00	16.25
505	NASDAQ	OSUR	Mon, Mar 14, 1994	15.88	16.38	15.88	16.38
504	NASDAQ	OSUR	Fri, Mar 11, 1994	15.38	15.88	15.13	15.75
503	NASDAQ	OSUR	Thu, Mar 10, 1994	16.50	16.50	15.13	15.50
502	NASDAQ	OSUR	Wed, Mar 9, 1994	15.50	16.25	15.50	16.13
501	NASDAQ	OSUR	Tue, Mar 8, 1994	15.75	16.00	15.13	15.38
500	NASDAQ	OSUR	Mon, Mar 7, 1994	16.38	16.38	15.50	15.88
499	NASDAQ	OSUR	Fri, Mar 4, 1994	16.63	16.63	16.13	16.13
498	NASDAQ	OSUR	Thu, Mar 3, 1994	15.63	16.75	15.50	16.50
497	NASDAQ	OSUR	Wed, Mar 2, 1994	14.88	15.38	14.50	15.38
496	NASDAQ	OSUR	Tue, Mar 1, 1994	16.25	16.25	14.75	15.25
495	NASDAQ	OSUR	Mon, Feb 28, 1994	16.50	16.75	16.25	16.38
494	NASDAQ	OSUR	Fri, Feb 25, 1994	17.38	17.50	16.50	16.75
493	NASDAQ	OSUR	Thu, Feb 24, 1994	17.38	17.75	17.13	17.38
492	NASDAQ	OSUR	Wed, Feb 23, 1994	17.50	18.38	15.50	17.13
491	NASDAQ	OSUR	Tue, Feb 22, 1994	17.50	17.63	16.63	17.50
490	NASDAQ	OSUR	Fri, Feb 18, 1994	19.00	19.00	17.63	17.75
489	NASDAQ	OSUR	Thu, Feb 17, 1994	19.75	19.75	19.25	19.25
488	NASDAQ	OSUR	Wed, Feb 16, 1994	19.88	19.88	19.63	19.88
487	NASDAQ	OSUR	Tue, Feb 15, 1994	19.88	20.13	19.63	19.88
486	NASDAQ	OSUR	Mon, Feb 14, 1994	19.88	19.88	19.63	19.88
485	NASDAQ	OSUR	Fri, Feb 11, 1994	19.88	19.88	19.63	19.75
484	NASDAQ	OSUR	Thu, Feb 10, 1994	20.00	20.25	19.88	20.13
483	NASDAQ	OSUR	Wed, Feb 9, 1994	19.75	20.25	19.75	20.00
482	NASDAQ	OSUR	Tue, Feb 8, 1994	20.50	20.63	19.50	20.00
481	NASDAQ	OSUR	Mon, Feb 7, 1994	19.50	20.88	19.50	20.50
480	NASDAQ	OSUR	Fri, Feb 4, 1994	20.50	21.63	19.63	19.75
479	NASDAQ	OSUR	Thu, Feb 3, 1994	20.00	20.50	19.88	20.50
478	NASDAQ	OSUR	Wed, Feb 2, 1994	19.38	20.00	19.38	20.00
477	NASDAQ	OSUR	Tue, Feb 1, 1994	19.13	19.38	19.13	19.38
476	NASDAQ	OSUR	Mon, Jan 31, 1994	19.13	19.50	19.00	19.38
475	NASDAQ	OSUR	Fri, Jan 28, 1994	18.88	19.38	18.88	18.88
474	NASDAQ	OSUR	Thu, Jan 27, 1994	19.00	19.00	18.50	19.00
473	NASDAQ	OSUR	Wed, Jan 26, 1994	19.38	19.38	18.63	19.00
472	NASDAQ	OSUR	Tue, Jan 25, 1994	19.50	19.75	19.25	19.38
471	NASDAQ	OSUR	Mon, Jan 24, 1994	19.88	19.88	19.50	19.63
470	NASDAQ	OSUR	Fri, Jan 21, 1994	20.00	20.13	19.75	19.88
469	NASDAQ	OSUR	Thu, Jan 20, 1994	20.13	20.13	19.88	20.00
468	NASDAQ	OSUR	Wed, Jan 19, 1994	19.63	20.38	19.63	20.13
467	NASDAQ	OSUR	Tue, Jan 18, 1994	19.75	19.75	19.63	19.75
466	NASDAQ	OSUR	Mon, Jan 17, 1994	19.75	19.75	19.38	19.75
465	NASDAQ	OSUR	Fri, Jan 14, 1994	19.75	19.88	19.63	19.88
464	NASDAQ	OSUR	Thu, Jan 13, 1994	20.00	20.00	19.50	19.63
463	NASDAQ	OSUR	Wed, Jan 12, 1994	19.63	19.63	19.38	19.63
462	NASDAQ	OSUR	Tue, Jan 11, 1994	19.63	19.75	19.38	19.50
461	NASDAQ	OSUR	Mon, Jan 10, 1994	20.25	20.25	19.75	19.88
460	NASDAQ	OSUR	Fri, Jan 7, 1994	20.50	20.50	20.00	20.25
459	NASDAQ	OSUR	Thu, Jan 6, 1994	20.38	20.63	20.13	20.38
458	NASDAQ	OSUR	Wed, Jan 5, 1994	20.38	20.50	20.25	20.25
457	NASDAQ	OSUR	Tue, Jan 4, 1994	20.63	20.63	20.25	20.38
456	NASDAQ	OSUR	Mon, Jan 3, 1994	20.50	20.50	20.25	20.50
455	NASDAQ	OSUR	Fri, Dec 31, 1993	20.88	20.88	20.38	20.38
454	NASDAQ	OSUR	Thu, Dec 30, 1993	20.50	21.25	20.50	20.75
453	NASDAQ	OSUR	Wed, Dec 29, 1993	20.25	20.63	19.75	20.63
452	NASDAQ	OSUR	Tue, Dec 28, 1993	20.13	20.38	20.13	20.25
451	NASDAQ	OSUR	Mon, Dec 27, 1993	20.75	20.75	19.75	20.50
450	NASDAQ	OSUR	Thu, Dec 23, 1993	21.00	21.25	20.63	20.88
449	NASDAQ	OSUR	Wed, Dec 22, 1993	21.75	21.75	20.88	20.88
448	NASDAQ	OSUR	Tue, Dec 21, 1993	21.63	21.88	21.63	21.75
447	NASDAQ	OSUR	Mon, Dec 20, 1993	21.00	21.50	20.63	21.50
446	NASDAQ	OSUR	Fri, Dec 17, 1993	21.75	21.88	21.63	21.88
445	NASDAQ	OSUR	Thu, Dec 16, 1993	22.00	22.13	21.75	21.75
444	NASDAQ	OSUR	Wed, Dec 15, 1993	20.75	22.38	20.63	22.13
443	NASDAQ	OSUR	Tue, Dec 14, 1993	21.13	21.25	20.50	20.75
442	NASDAQ	OSUR	Mon, Dec 13, 1993	20.88	21.25	20.75	21.00
441	NASDAQ	OSUR	Fri, Dec 10, 1993	21.00	21.00	20.75	20.88
440	NASDAQ	OSUR	Thu, Dec 9, 1993	21.63	21.63	20.88	21.00
439	NASDAQ	OSUR	Wed, Dec 8, 1993	21.63	21.63	21.13	21.63
438	NASDAQ	OSUR	Tue, Dec 7, 1993	21.50	21.75	21.25	21.38
437	NASDAQ	OSUR	Mon, Dec 6, 1993	21.38	22.00	21.25	21.50
436	NASDAQ	OSUR	Fri, Dec 3, 1993	19.88	21.38	19.63	21.13
435	NASDAQ	OSUR	Thu, Dec 2, 1993	20.00	20.13	19.75	19.88
434	NASDAQ	OSUR	Wed, Dec 1, 1993	20.50	20.50	19.50	20.00
433	NASDAQ	OSUR	Tue, Nov 30, 1993	20.63	20.75	20.38	20.63
432	NASDAQ	OSUR	Mon, Nov 29, 1993	21.25	21.25	20.38	20.75
431	NASDAQ	OSUR	Fri, Nov 26, 1993	21.38	21.38	21.13	21.25
430	NASDAQ	OSUR	Wed, Nov 24, 1993	21.88	22.00	21.38	21.50
429	NASDAQ	OSUR	Tue, Nov 23, 1993	21.00	22.00	21.00	22.00
428	NASDAQ	OSUR	Mon, Nov 22, 1993	22.00	22.00	20.38	21.13
427	NASDAQ	OSUR	Fri, Nov 19, 1993	22.13	22.13	21.88	21.88
426	NASDAQ	OSUR	Thu, Nov 18, 1993	22.50	22.50	22.13	22.50
425	NASDAQ	OSUR	Wed, Nov 17, 1993	22.50	22.75	22.25	22.50
424	NASDAQ	OSUR	Tue, Nov 16, 1993	23.00	23.00	22.25	22.75
423	NASDAQ	OSUR	Mon, Nov 15, 1993	23.25	23.50	22.63	22.88
422	NASDAQ	OSUR	Fri, Nov 12, 1993	22.50	23.75	22.50	23.50
421	NASDAQ	OSUR	Thu, Nov 11, 1993	21.63	23.38	21.63	22.50
420	NASDAQ	OSUR	Wed, Nov 10, 1993	21.63	22.00	21.50	21.63
419	NASDAQ	OSUR	Tue, Nov 9, 1993	21.88	21.88	21.50	21.50
418	NASDAQ	OSUR	Mon, Nov 8, 1993	21.88	21.88	20.88	21.63
417	NASDAQ	OSUR	Fri, Nov 5, 1993	21.75	22.00	20.63	22.00
416	NASDAQ	OSUR	Thu, Nov 4, 1993	22.38	22.63	21.88	22.00
415	NASDAQ	OSUR	Wed, Nov 3, 1993	23.00	23.00	22.25	22.38
414	NASDAQ	OSUR	Tue, Nov 2, 1993	23.50	23.50	21.13	22.75
413	NASDAQ	OSUR	Mon, Nov 1, 1993	23.00	24.25	23.00	23.63
412	NASDAQ	OSUR	Fri, Oct 29, 1993	21.13	22.88	21.13	22.88
411	NASDAQ	OSUR	Thu, Oct 28, 1993	21.13	21.25	21.00	21.25
410	NASDAQ	OSUR	Wed, Oct 27, 1993	21.00	21.38	21.00	21.25
409	NASDAQ	OSUR	Tue, Oct 26, 1993	21.00	21.13	20.88	21.00
408	NASDAQ	OSUR	Mon, Oct 25, 1993	21.63	21.75	20.50	21.25
407	NASDAQ	OSUR	Fri, Oct 22, 1993	22.50	22.50	21.63	21.88
406	NASDAQ	OSUR	Thu, Oct 21, 1993	22.63	22.63	21.88	22.50
405	NASDAQ	OSUR	Wed, Oct 20, 1993	23.00	23.13	22.50	22.63
404	NASDAQ	OSUR	Tue, Oct 19, 1993	22.75	23.13	22.75	23.13
403	NASDAQ	OSUR	Mon, Oct 18, 1993	22.50	22.75	22.50	22.75
402	NASDAQ	OSUR	Fri, Oct 15, 1993	23.00	23.00	22.50	22.50
401	NASDAQ	OSUR	Thu, Oct 14, 1993	23.25	23.25	22.75	23.00
400	NASDAQ	OSUR	Wed, Oct 13, 1993	23.13	23.25	23.00	23.13
399	NASDAQ	OSUR	Tue, Oct 12, 1993	23.13	23.50	22.88	23.13
398	NASDAQ	OSUR	Mon, Oct 11, 1993	22.88	23.38	22.75	23.00
397	NASDAQ	OSUR	Fri, Oct 8, 1993	23.13	23.75	22.75	23.00
396	NASDAQ	OSUR	Thu, Oct 7, 1993	21.13	22.75	20.88	22.75
395	NASDAQ	OSUR	Wed, Oct 6, 1993	21.88	21.88	21.00	21.38
394	NASDAQ	OSUR	Tue, Oct 5, 1993	22.00	22.00	21.75	21.75
393	NASDAQ	OSUR	Mon, Oct 4, 1993	22.50	22.63	22.00	22.13
392	NASDAQ	OSUR	Fri, Oct 1, 1993	21.50	22.50	21.38	22.50
391	NASDAQ	OSUR	Thu, Sep 30, 1993	21.75	21.75	21.38	21.50
390	NASDAQ	OSUR	Wed, Sep 29, 1993	22.75	22.75	21.75	21.75
389	NASDAQ	OSUR	Tue, Sep 28, 1993	22.38	23.00	22.38	22.75
388	NASDAQ	OSUR	Mon, Sep 27, 1993	21.75	22.63	21.75	22.63
387	NASDAQ	OSUR	Fri, Sep 24, 1993	22.75	22.88	21.88	21.88
386	NASDAQ	OSUR	Thu, Sep 23, 1993	21.63	23.13	21.50	22.50
385	NASDAQ	OSUR	Wed, Sep 22, 1993	20.75	21.63	20.75	21.63
384	NASDAQ	OSUR	Tue, Sep 21, 1993	21.38	21.75	20.88	21.00
383	NASDAQ	OSUR	Mon, Sep 20, 1993	21.50	22.38	21.38	21.50
382	NASDAQ	OSUR	Fri, Sep 17, 1993	20.88	21.63	20.63	21.25
381	NASDAQ	OSUR	Thu, Sep 16, 1993	21.13	21.63	20.75	21.00
380	NASDAQ	OSUR	Wed, Sep 15, 1993	20.13	21.25	19.75	21.00
379	NASDAQ	OSUR	Tue, Sep 14, 1993	19.88	20.25	19.88	20.00
378	NASDAQ	OSUR	Mon, Sep 13, 1993	19.50	19.88	19.13	19.88
377	NASDAQ	OSUR	Fri, Sep 10, 1993	19.25	19.50	19.13	19.25
376	NASDAQ	OSUR	Thu, Sep 9, 1993	19.00	19.25	19.00	19.00
375	NASDAQ	OSUR	Wed, Sep 8, 1993	19.50	19.63	19.13	19.25
374	NASDAQ	OSUR	Tue, Sep 7, 1993	20.50	20.50	19.50	19.50
373	NASDAQ	OSUR	Fri, Sep 3, 1993	19.00	20.25	19.00	20.25
372	NASDAQ	OSUR	Thu, Sep 2, 1993	18.00	18.88	18.00	18.88
371	NASDAQ	OSUR	Wed, Sep 1, 1993	17.88	18.13	17.88	18.00
370	NASDAQ	OSUR	Tue, Aug 31, 1993	17.63	17.75	17.25	17.63
369	NASDAQ	OSUR	Mon, Aug 30, 1993	17.75	17.75	17.50	17.75
368	NASDAQ	OSUR	Fri, Aug 27, 1993	17.88	17.88	17.50	17.75
367	NASDAQ	OSUR	Thu, Aug 26, 1993	17.88	17.88	17.63	17.88
366	NASDAQ	OSUR	Wed, Aug 25, 1993	17.38	18.00	17.13	18.00
365	NASDAQ	OSUR	Tue, Aug 24, 1993	17.38	17.50	17.25	17.38
364	NASDAQ	OSUR	Mon, Aug 23, 1993	18.00	18.00	17.50	17.50
363	NASDAQ	OSUR	Fri, Aug 20, 1993	17.75	18.00	17.75	18.00
362	NASDAQ	OSUR	Thu, Aug 19, 1993	17.88	18.00	17.75	17.75
361	NASDAQ	OSUR	Wed, Aug 18, 1993	18.00	18.13	17.88	17.88
360	NASDAQ	OSUR	Tue, Aug 17, 1993	18.13	18.13	18.00	18.00
359	NASDAQ	OSUR	Mon, Aug 16, 1993	18.25	18.50	18.25	18.25
358	NASDAQ	OSUR	Fri, Aug 13, 1993	18.50	18.50	18.13	18.13
357	NASDAQ	OSUR	Thu, Aug 12, 1993	18.50	18.50	17.88	18.50
356	NASDAQ	OSUR	Wed, Aug 11, 1993	18.38	18.63	18.25	18.50
355	NASDAQ	OSUR	Tue, Aug 10, 1993	18.25	18.50	17.75	18.38
354	NASDAQ	OSUR	Mon, Aug 9, 1993	18.00	18.25	17.50	18.13
353	NASDAQ	OSUR	Fri, Aug 6, 1993	18.00	18.00	17.75	17.88
352	NASDAQ	OSUR	Thu, Aug 5, 1993	18.00	18.13	17.88	18.00
351	NASDAQ	OSUR	Wed, Aug 4, 1993	17.88	18.13	17.75	18.00
350	NASDAQ	OSUR	Tue, Aug 3, 1993	18.00	18.00	17.88	18.00
349	NASDAQ	OSUR	Mon, Aug 2, 1993	18.00	18.25	17.88	18.25
348	NASDAQ	OSUR	Fri, Jul 30, 1993	18.25	18.25	17.88	18.13
347	NASDAQ	OSUR	Thu, Jul 29, 1993	18.75	18.75	18.25	18.25
346	NASDAQ	OSUR	Wed, Jul 28, 1993	18.50	18.75	18.25	18.75
345	NASDAQ	OSUR	Tue, Jul 27, 1993	18.75	18.88	18.38	18.50
344	NASDAQ	OSUR	Mon, Jul 26, 1993	18.25	19.00	18.25	19.00
343	NASDAQ	OSUR	Fri, Jul 23, 1993	18.00	18.25	17.75	18.25
342	NASDAQ	OSUR	Thu, Jul 22, 1993	18.50	18.50	17.88	17.88
341	NASDAQ	OSUR	Wed, Jul 21, 1993	18.38	18.50	18.25	18.50
340	NASDAQ	OSUR	Tue, Jul 20, 1993	19.25	19.25	18.38	18.38
339	NASDAQ	OSUR	Mon, Jul 19, 1993	19.50	19.63	19.38	19.38
338	NASDAQ	OSUR	Fri, Jul 16, 1993	19.75	19.88	19.50	19.50
337	NASDAQ	OSUR	Thu, Jul 15, 1993	19.50	20.00	19.50	19.75
336	NASDAQ	OSUR	Wed, Jul 14, 1993	20.00	20.13	17.75	19.38
335	NASDAQ	OSUR	Tue, Jul 13, 1993	20.75	21.38	19.38	20.00
334	NASDAQ	OSUR	Mon, Jul 12, 1993	20.25	20.88	20.25	20.75
333	NASDAQ	OSUR	Fri, Jul 9, 1993	20.13	20.25	20.00	20.25
332	NASDAQ	OSUR	Thu, Jul 8, 1993	21.00	21.00	20.25	20.38
331	NASDAQ	OSUR	Wed, Jul 7, 1993	21.50	21.50	21.00	21.00
330	NASDAQ	OSUR	Tue, Jul 6, 1993	20.88	21.63	20.88	21.63
329	NASDAQ	OSUR	Fri, Jul 2, 1993	20.88	21.00	20.50	20.88
328	NASDAQ	OSUR	Thu, Jul 1, 1993	19.88	20.88	19.88	20.88
327	NASDAQ	OSUR	Wed, Jun 30, 1993	19.75	20.38	19.75	19.88
326	NASDAQ	OSUR	Tue, Jun 29, 1993	19.88	19.88	19.63	19.75
325	NASDAQ	OSUR	Mon, Jun 28, 1993	19.50	19.88	19.38	19.75
324	NASDAQ	OSUR	Fri, Jun 25, 1993	19.25	19.75	19.25	19.75
323	NASDAQ	OSUR	Thu, Jun 24, 1993	19.38	19.63	19.25	19.25
322	NASDAQ	OSUR	Wed, Jun 23, 1993	19.88	19.88	19.50	19.63
321	NASDAQ	OSUR	Tue, Jun 22, 1993	20.00	20.13	19.63	19.63
320	NASDAQ	OSUR	Mon, Jun 21, 1993	19.50	19.75	19.38	19.75
319	NASDAQ	OSUR	Fri, Jun 18, 1993	19.50	19.63	19.38	19.50
318	NASDAQ	OSUR	Thu, Jun 17, 1993	19.13	19.38	19.13	19.38
317	NASDAQ	OSUR	Wed, Jun 16, 1993	19.38	19.50	19.00	19.00
316	NASDAQ	OSUR	Tue, Jun 15, 1993	19.25	19.50	18.88	19.50
315	NASDAQ	OSUR	Mon, Jun 14, 1993	19.38	19.50	19.25	19.25
314	NASDAQ	OSUR	Fri, Jun 11, 1993	19.25	19.50	19.13	19.50
313	NASDAQ	OSUR	Thu, Jun 10, 1993	19.75	19.75	19.13	19.25
312	NASDAQ	OSUR	Wed, Jun 9, 1993	19.88	20.00	19.75	19.75
311	NASDAQ	OSUR	Tue, Jun 8, 1993	19.63	20.25	19.63	19.75
310	NASDAQ	OSUR	Mon, Jun 7, 1993	19.63	19.75	19.50	19.63
309	NASDAQ	OSUR	Fri, Jun 4, 1993	19.75	19.88	19.50	19.63
308	NASDAQ	OSUR	Thu, Jun 3, 1993	19.75	19.75	19.50	19.50
307	NASDAQ	OSUR	Wed, Jun 2, 1993	20.38	20.38	19.38	19.50
306	NASDAQ	OSUR	Tue, Jun 1, 1993	20.25	20.50	20.13	20.25
305	NASDAQ	OSUR	Fri, May 28, 1993	20.25	20.38	20.00	20.13
304	NASDAQ	OSUR	Thu, May 27, 1993	20.25	20.38	20.25	20.25
303	NASDAQ	OSUR	Wed, May 26, 1993	20.50	20.50	20.25	20.25
302	NASDAQ	OSUR	Tue, May 25, 1993	20.25	20.75	20.00	20.50
301	NASDAQ	OSUR	Mon, May 24, 1993	19.88	20.38	19.63	20.38
300	NASDAQ	OSUR	Fri, May 21, 1993	20.50	20.75	19.75	19.88
299	NASDAQ	OSUR	Thu, May 20, 1993	21.00	21.50	20.38	20.63
298	NASDAQ	OSUR	Wed, May 19, 1993	20.13	21.00	19.75	21.00
297	NASDAQ	OSUR	Tue, May 18, 1993	19.50	20.13	19.50	20.00
296	NASDAQ	OSUR	Mon, May 17, 1993	18.63	19.50	18.38	19.38
295	NASDAQ	OSUR	Fri, May 14, 1993	18.13	18.63	18.00	18.63
294	NASDAQ	OSUR	Thu, May 13, 1993	18.50	18.50	18.13	18.13
293	NASDAQ	OSUR	Wed, May 12, 1993	18.00	18.75	18.00	18.50
292	NASDAQ	OSUR	Tue, May 11, 1993	18.00	18.50	17.88	18.13
291	NASDAQ	OSUR	Mon, May 10, 1993	18.00	18.00	17.88	18.00
290	NASDAQ	OSUR	Fri, May 7, 1993	17.88	18.00	17.75	18.00
289	NASDAQ	OSUR	Thu, May 6, 1993	18.25	18.25	18.00	18.00
288	NASDAQ	OSUR	Wed, May 5, 1993	17.88	18.13	17.88	18.13
287	NASDAQ	OSUR	Tue, May 4, 1993	17.75	18.50	17.75	17.88
286	NASDAQ	OSUR	Mon, May 3, 1993	17.63	17.75	17.38	17.75
285	NASDAQ	OSUR	Fri, Apr 30, 1993	17.75	17.75	17.13	17.25
284	NASDAQ	OSUR	Thu, Apr 29, 1993	16.75	17.50	16.63	17.50
283	NASDAQ	OSUR	Wed, Apr 28, 1993	16.88	17.00	16.63	16.75
282	NASDAQ	OSUR	Tue, Apr 27, 1993	16.38	17.00	16.38	17.00
281	NASDAQ	OSUR	Mon, Apr 26, 1993	16.38	16.50	16.38	16.50
280	NASDAQ	OSUR	Fri, Apr 23, 1993	16.50	16.75	16.25	16.25
279	NASDAQ	OSUR	Thu, Apr 22, 1993	16.63	16.88	16.50	16.50
278	NASDAQ	OSUR	Wed, Apr 21, 1993	16.50	16.50	16.25	16.38
277	NASDAQ	OSUR	Tue, Apr 20, 1993	16.50	16.50	16.25	16.25
276	NASDAQ	OSUR	Mon, Apr 19, 1993	17.00	17.13	16.50	16.50
275	NASDAQ	OSUR	Fri, Apr 16, 1993	17.38	17.50	17.13	17.13
274	NASDAQ	OSUR	Thu, Apr 15, 1993	16.75	17.13	16.75	17.13
273	NASDAQ	OSUR	Wed, Apr 14, 1993	16.63	17.25	16.50	16.88
272	NASDAQ	OSUR	Tue, Apr 13, 1993	16.88	16.88	16.38	16.38
271	NASDAQ	OSUR	Mon, Apr 12, 1993	16.75	17.00	16.50	16.88
270	NASDAQ	OSUR	Thu, Apr 8, 1993	17.25	17.25	16.50	16.63
269	NASDAQ	OSUR	Wed, Apr 7, 1993	17.13	17.13	17.00	17.13
268	NASDAQ	OSUR	Tue, Apr 6, 1993	16.50	17.25	16.50	17.00
267	NASDAQ	OSUR	Mon, Apr 5, 1993	17.50	17.50	16.75	16.88
266	NASDAQ	OSUR	Fri, Apr 2, 1993	17.75	17.75	17.25	17.38
265	NASDAQ	OSUR	Thu, Apr 1, 1993	17.63	18.25	17.63	17.75
264	NASDAQ	OSUR	Wed, Mar 31, 1993	18.00	18.00	17.63	17.75
263	NASDAQ	OSUR	Tue, Mar 30, 1993	18.00	18.13	17.75	18.00
262	NASDAQ	OSUR	Mon, Mar 29, 1993	18.25	18.25	17.63	17.75
261	NASDAQ	OSUR	Fri, Mar 26, 1993	18.00	18.38	17.75	18.00
260	NASDAQ	OSUR	Thu, Mar 25, 1993	17.50	18.00	17.38	18.00
259	NASDAQ	OSUR	Wed, Mar 24, 1993	17.63	17.75	17.50	17.63
258	NASDAQ	OSUR	Tue, Mar 23, 1993	17.75	17.88	17.50	17.63
257	NASDAQ	OSUR	Mon, Mar 22, 1993	18.88	18.88	17.63	17.88
256	NASDAQ	OSUR	Fri, Mar 19, 1993	18.88	19.13	18.75	18.75
255	NASDAQ	OSUR	Thu, Mar 18, 1993	19.50	19.50	18.75	19.00
254	NASDAQ	OSUR	Wed, Mar 17, 1993	18.88	19.63	18.75	19.25
253	NASDAQ	OSUR	Tue, Mar 16, 1993	19.00	19.00	18.38	19.00
252	NASDAQ	OSUR	Mon, Mar 15, 1993	19.00	19.13	18.75	19.00
251	NASDAQ	OSUR	Fri, Mar 12, 1993	17.75	18.75	17.25	18.75
250	NASDAQ	OSUR	Thu, Mar 11, 1993	17.75	17.75	17.50	17.75
249	NASDAQ	OSUR	Wed, Mar 10, 1993	17.75	17.75	17.63	17.75
248	NASDAQ	OSUR	Tue, Mar 9, 1993	18.00	18.00	17.50	17.75
247	NASDAQ	OSUR	Mon, Mar 8, 1993	19.25	19.38	17.88	18.00
246	NASDAQ	OSUR	Fri, Mar 5, 1993	19.50	19.63	19.13	19.13
245	NASDAQ	OSUR	Thu, Mar 4, 1993	18.25	19.63	18.25	19.25
244	NASDAQ	OSUR	Wed, Mar 3, 1993	18.38	18.38	18.13	18.38
243	NASDAQ	OSUR	Tue, Mar 2, 1993	18.63	18.75	18.13	18.38
242	NASDAQ	OSUR	Mon, Mar 1, 1993	18.50	18.88	18.50	18.63
241	NASDAQ	OSUR	Fri, Feb 26, 1993	19.00	19.38	18.38	18.63
240	NASDAQ	OSUR	Thu, Feb 25, 1993	18.75	19.25	18.50	19.13
239	NASDAQ	OSUR	Wed, Feb 24, 1993	17.88	19.13	17.63	18.88
238	NASDAQ	OSUR	Tue, Feb 23, 1993	18.13	18.25	17.38	17.88
237	NASDAQ	OSUR	Mon, Feb 22, 1993	18.25	19.25	18.13	18.38
236	NASDAQ	OSUR	Fri, Feb 19, 1993	18.75	19.00	18.25	18.38
235	NASDAQ	OSUR	Thu, Feb 18, 1993	17.13	18.75	16.75	18.75
234	NASDAQ	OSUR	Wed, Feb 17, 1993	16.25	17.00	16.25	16.88
233	NASDAQ	OSUR	Tue, Feb 16, 1993	17.00	17.13	16.00	16.50
232	NASDAQ	OSUR	Fri, Feb 12, 1993	17.00	17.25	16.63	16.75
231	NASDAQ	OSUR	Thu, Feb 11, 1993	16.25	16.75	16.25	16.63
230	NASDAQ	OSUR	Wed, Feb 10, 1993	16.63	16.75	16.25	16.38
229	NASDAQ	OSUR	Tue, Feb 9, 1993	17.00	17.00	16.50	16.63
228	NASDAQ	OSUR	Mon, Feb 8, 1993	16.75	17.00	16.50	16.88
227	NASDAQ	OSUR	Fri, Feb 5, 1993	16.63	17.00	16.50	17.00
226	NASDAQ	OSUR	Thu, Feb 4, 1993	17.25	17.25	16.75	16.88
225	NASDAQ	OSUR	Wed, Feb 3, 1993	17.38	17.50	16.75	17.25
224	NASDAQ	OSUR	Tue, Feb 2, 1993	17.50	17.75	17.25	17.25
223	NASDAQ	OSUR	Mon, Feb 1, 1993	17.50	17.75	17.25	17.38
222	NASDAQ	OSUR	Fri, Jan 29, 1993	17.50	17.75	17.38	17.38
221	NASDAQ	OSUR	Thu, Jan 28, 1993	18.00	18.00	17.50	17.63
220	NASDAQ	OSUR	Wed, Jan 27, 1993	17.88	18.13	17.75	18.00
219	NASDAQ	OSUR	Tue, Jan 26, 1993	18.63	18.63	17.75	17.75
218	NASDAQ	OSUR	Mon, Jan 25, 1993	18.50	18.50	18.13	18.38
217	NASDAQ	OSUR	Fri, Jan 22, 1993	18.38	18.50	18.13	18.25
216	NASDAQ	OSUR	Thu, Jan 21, 1993	17.75	18.50	17.75	18.50
215	NASDAQ	OSUR	Wed, Jan 20, 1993	17.50	18.13	17.50	17.88
214	NASDAQ	OSUR	Tue, Jan 19, 1993	18.00	18.25	17.50	17.75
213	NASDAQ	OSUR	Mon, Jan 18, 1993	18.50	18.63	18.13	18.13
212	NASDAQ	OSUR	Fri, Jan 15, 1993	18.38	18.50	18.00	18.38
211	NASDAQ	OSUR	Thu, Jan 14, 1993	18.38	18.38	17.88	18.38
210	NASDAQ	OSUR	Wed, Jan 13, 1993	18.00	18.25	18.00	18.13
209	NASDAQ	OSUR	Tue, Jan 12, 1993	18.50	18.50	17.88	18.13
208	NASDAQ	OSUR	Mon, Jan 11, 1993	18.13	18.50	17.63	18.50
207	NASDAQ	OSUR	Fri, Jan 8, 1993	17.63	18.00	17.63	18.00
206	NASDAQ	OSUR	Thu, Jan 7, 1993	17.75	18.00	17.50	17.50
205	NASDAQ	OSUR	Wed, Jan 6, 1993	18.75	18.75	17.00	17.75
204	NASDAQ	OSUR	Tue, Jan 5, 1993	19.00	19.13	18.00	18.50
203	NASDAQ	OSUR	Mon, Jan 4, 1993	18.13	19.25	18.13	19.13
202	NASDAQ	OSUR	Thu, Dec 31, 1992	18.63	18.63	18.00	18.00
201	NASDAQ	OSUR	Wed, Dec 30, 1992	18.75	18.88	18.25	18.50
200	NASDAQ	OSUR	Tue, Dec 29, 1992	19.50	19.88	19.00	19.13
199	NASDAQ	OSUR	Mon, Dec 28, 1992	19.00	19.50	18.13	19.50
198	NASDAQ	OSUR	Thu, Dec 24, 1992	16.75	18.50	16.75	18.50
197	NASDAQ	OSUR	Wed, Dec 23, 1992	16.25	16.63	15.75	16.63
196	NASDAQ	OSUR	Tue, Dec 22, 1992	16.88	16.88	15.38	16.25
195	NASDAQ	OSUR	Mon, Dec 21, 1992	15.25	17.13	15.25	16.88
194	NASDAQ	OSUR	Fri, Dec 18, 1992	18.75	20.50	17.38	20.50
193	NASDAQ	OSUR	Thu, Dec 17, 1992	19.00	19.13	18.63	18.88
192	NASDAQ	OSUR	Wed, Dec 16, 1992	19.50	19.50	17.25	18.75
191	NASDAQ	OSUR	Tue, Dec 15, 1992	20.50	20.50	19.63	19.63
190	NASDAQ	OSUR	Mon, Dec 14, 1992	20.13	20.25	19.25	20.13
189	NASDAQ	OSUR	Fri, Dec 11, 1992	21.25	21.25	20.13	20.25
188	NASDAQ	OSUR	Thu, Dec 10, 1992	21.88	21.88	21.25	21.25
187	NASDAQ	OSUR	Wed, Dec 9, 1992	22.00	22.00	21.63	21.88
186	NASDAQ	OSUR	Tue, Dec 8, 1992	22.13	22.38	21.88	22.00
185	NASDAQ	OSUR	Mon, Dec 7, 1992	22.38	22.38	21.63	21.88
184	NASDAQ	OSUR	Fri, Dec 4, 1992	21.50	22.13	21.50	22.13
183	NASDAQ	OSUR	Thu, Dec 3, 1992	22.00	22.00	21.50	21.50
182	NASDAQ	OSUR	Wed, Dec 2, 1992	22.75	22.75	22.13	22.25
181	NASDAQ	OSUR	Tue, Dec 1, 1992	22.25	22.75	22.00	22.75
180	NASDAQ	OSUR	Mon, Nov 30, 1992	22.25	22.50	22.13	22.38
179	NASDAQ	OSUR	Fri, Nov 27, 1992	22.00	22.13	21.75	22.00
178	NASDAQ	OSUR	Wed, Nov 25, 1992	22.88	23.00	22.13	22.13
177	NASDAQ	OSUR	Tue, Nov 24, 1992	22.50	22.75	22.50	22.75
176	NASDAQ	OSUR	Mon, Nov 23, 1992	21.38	22.38	21.38	22.25
175	NASDAQ	OSUR	Fri, Nov 20, 1992	20.88	21.50	20.88	21.25
174	NASDAQ	OSUR	Thu, Nov 19, 1992	21.88	21.88	20.75	20.88
173	NASDAQ	OSUR	Wed, Nov 18, 1992	22.50	22.50	21.88	22.00
172	NASDAQ	OSUR	Tue, Nov 17, 1992	22.38	22.50	22.00	22.50
171	NASDAQ	OSUR	Mon, Nov 16, 1992	22.25	22.75	22.00	22.13
170	NASDAQ	OSUR	Fri, Nov 13, 1992	22.88	22.88	22.13	22.50
169	NASDAQ	OSUR	Thu, Nov 12, 1992	22.75	22.88	21.50	22.88
168	NASDAQ	OSUR	Wed, Nov 11, 1992	24.50	25.00	22.50	23.25
167	NASDAQ	OSUR	Tue, Nov 10, 1992	23.38	25.50	23.38	24.38
166	NASDAQ	OSUR	Mon, Nov 9, 1992	23.00	24.63	23.00	23.50
165	NASDAQ	OSUR	Fri, Nov 6, 1992	22.50	24.38	21.75	23.50
164	NASDAQ	OSUR	Thu, Nov 5, 1992	20.63	22.50	20.38	22.50
163	NASDAQ	OSUR	Wed, Nov 4, 1992	19.75	20.38	19.50	20.38
162	NASDAQ	OSUR	Tue, Nov 3, 1992	20.13	20.25	19.88	20.13
161	NASDAQ	OSUR	Mon, Nov 2, 1992	20.50	20.75	19.50	20.38
160	NASDAQ	OSUR	Fri, Oct 30, 1992	21.13	21.88	20.00	20.25
159	NASDAQ	OSUR	Thu, Oct 29, 1992	19.38	21.63	19.38	20.88
158	NASDAQ	OSUR	Wed, Oct 28, 1992	17.25	19.13	17.25	19.13
157	NASDAQ	OSUR	Tue, Oct 27, 1992	16.50	17.25	16.50	17.25
156	NASDAQ	OSUR	Mon, Oct 26, 1992	16.50	16.63	16.50	16.50
155	NASDAQ	OSUR	Fri, Oct 23, 1992	16.75	17.13	16.50	16.50
154	NASDAQ	OSUR	Thu, Oct 22, 1992	16.63	17.00	16.38	17.00
153	NASDAQ	OSUR	Wed, Oct 21, 1992	16.75	16.75	16.63	16.75
152	NASDAQ	OSUR	Tue, Oct 20, 1992	16.63	16.88	16.50	16.63
151	NASDAQ	OSUR	Mon, Oct 19, 1992	16.63	16.88	16.50	16.50
150	NASDAQ	OSUR	Fri, Oct 16, 1992	16.88	17.00	16.75	16.88
149	NASDAQ	OSUR	Thu, Oct 15, 1992	16.88	16.88	16.63	16.88
148	NASDAQ	OSUR	Wed, Oct 14, 1992	17.13	17.50	16.75	16.88
147	NASDAQ	OSUR	Tue, Oct 13, 1992	16.75	17.13	16.75	17.13
146	NASDAQ	OSUR	Mon, Oct 12, 1992	16.25	16.88	16.25	16.63
145	NASDAQ	OSUR	Fri, Oct 9, 1992	16.50	16.50	16.00	16.13
144	NASDAQ	OSUR	Thu, Oct 8, 1992	16.38	16.75	16.13	16.63
143	NASDAQ	OSUR	Wed, Oct 7, 1992	15.88	16.50	15.75	16.38
142	NASDAQ	OSUR	Tue, Oct 6, 1992	15.25	15.88	15.13	15.88
141	NASDAQ	OSUR	Mon, Oct 5, 1992	15.75	15.75	14.63	15.25
140	NASDAQ	OSUR	Fri, Oct 2, 1992	16.63	16.63	15.38	15.75
139	NASDAQ	OSUR	Thu, Oct 1, 1992	16.63	17.13	16.50	16.50
138	NASDAQ	OSUR	Wed, Sep 30, 1992	16.38	16.75	16.38	16.63
137	NASDAQ	OSUR	Tue, Sep 29, 1992	16.50	16.75	16.50	16.50
136	NASDAQ	OSUR	Mon, Sep 28, 1992	16.25	16.88	16.25	16.75
135	NASDAQ	OSUR	Fri, Sep 25, 1992	17.50	17.50	16.13	16.25
134	NASDAQ	OSUR	Thu, Sep 24, 1992	17.00	17.25	16.88	17.25
133	NASDAQ	OSUR	Wed, Sep 23, 1992	17.38	17.38	16.63	17.00
132	NASDAQ	OSUR	Tue, Sep 22, 1992	17.75	18.13	17.50	17.50
131	NASDAQ	OSUR	Mon, Sep 21, 1992	17.75	17.75	17.50	17.75
130	NASDAQ	OSUR	Fri, Sep 18, 1992	18.00	18.00	17.63	17.75
129	NASDAQ	OSUR	Thu, Sep 17, 1992	18.00	18.13	17.75	18.00
128	NASDAQ	OSUR	Wed, Sep 16, 1992	18.25	18.38	18.00	18.13
127	NASDAQ	OSUR	Tue, Sep 15, 1992	18.50	18.50	18.00	18.25
126	NASDAQ	OSUR	Mon, Sep 14, 1992	18.25	18.63	17.88	18.50
125	NASDAQ	OSUR	Fri, Sep 11, 1992	18.00	18.13	17.88	18.00
124	NASDAQ	OSUR	Thu, Sep 10, 1992	17.75	18.00	17.38	18.00
123	NASDAQ	OSUR	Wed, Sep 9, 1992	18.13	18.25	17.75	17.88
122	NASDAQ	OSUR	Tue, Sep 8, 1992	18.63	18.63	18.13	18.13
121	NASDAQ	OSUR	Fri, Sep 4, 1992	18.63	18.75	18.50	18.75
120	NASDAQ	OSUR	Thu, Sep 3, 1992	18.38	18.75	18.13	18.38
119	NASDAQ	OSUR	Wed, Sep 2, 1992	18.13	18.25	18.00	18.13
118	NASDAQ	OSUR	Tue, Sep 1, 1992	17.88	18.38	17.63	18.25
117	NASDAQ	OSUR	Mon, Aug 31, 1992	18.25	18.38	17.75	17.88
116	NASDAQ	OSUR	Fri, Aug 28, 1992	18.88	18.88	18.13	18.25
115	NASDAQ	OSUR	Thu, Aug 27, 1992	19.13	19.13	18.75	18.88
114	NASDAQ	OSUR	Wed, Aug 26, 1992	19.00	19.50	19.00	19.25
113	NASDAQ	OSUR	Tue, Aug 25, 1992	18.25	19.00	17.75	19.00
112	NASDAQ	OSUR	Mon, Aug 24, 1992	18.63	18.63	18.25	18.25
111	NASDAQ	OSUR	Fri, Aug 21, 1992	19.50	19.75	18.50	18.63
110	NASDAQ	OSUR	Thu, Aug 20, 1992	19.25	19.38	19.00	19.25
109	NASDAQ	OSUR	Wed, Aug 19, 1992	19.50	19.50	19.13	19.38
108	NASDAQ	OSUR	Tue, Aug 18, 1992	20.00	20.00	19.63	19.63
107	NASDAQ	OSUR	Mon, Aug 17, 1992	20.13	20.25	18.88	19.88
106	NASDAQ	OSUR	Fri, Aug 14, 1992	20.88	21.13	19.75	20.38
105	NASDAQ	OSUR	Thu, Aug 13, 1992	21.38	21.75	20.75	21.13
104	NASDAQ	OSUR	Wed, Aug 12, 1992	21.50	21.50	20.75	21.50
103	NASDAQ	OSUR	Tue, Aug 11, 1992	21.75	22.00	21.25	21.38
102	NASDAQ	OSUR	Mon, Aug 10, 1992	21.88	22.25	21.50	22.00
101	NASDAQ	OSUR	Fri, Aug 7, 1992	22.88	23.13	21.88	22.13
100	NASDAQ	OSUR	Thu, Aug 6, 1992	23.00	23.38	22.13	23.38
99	NASDAQ	OSUR	Wed, Aug 5, 1992	21.25	21.25	20.50	20.88
98	NASDAQ	OSUR	Tue, Aug 4, 1992	20.50	21.50	20.50	21.38
97	NASDAQ	OSUR	Mon, Aug 3, 1992	19.75	20.88	19.63	20.75
96	NASDAQ	OSUR	Fri, Jul 31, 1992	20.25	20.63	19.75	20.00
95	NASDAQ	OSUR	Thu, Jul 30, 1992	19.50	21.25	19.38	20.50
94	NASDAQ	OSUR	Wed, Jul 29, 1992	19.00	19.50	19.00	19.38
93	NASDAQ	OSUR	Tue, Jul 28, 1992	19.00	19.00	18.75	19.00
92	NASDAQ	OSUR	Mon, Jul 27, 1992	19.00	19.00	18.50	18.63
91	NASDAQ	OSUR	Fri, Jul 24, 1992	19.25	19.75	19.00	19.00
90	NASDAQ	OSUR	Thu, Jul 23, 1992	18.13	19.13	17.88	19.00
89	NASDAQ	OSUR	Wed, Jul 22, 1992	17.13	18.13	17.13	18.13
88	NASDAQ	OSUR	Tue, Jul 21, 1992	17.38	17.63	17.00	17.13
87	NASDAQ	OSUR	Mon, Jul 20, 1992	17.38	17.38	17.00	17.13
86	NASDAQ	OSUR	Fri, Jul 17, 1992	17.13	17.38	16.75	17.38
85	NASDAQ	OSUR	Thu, Jul 16, 1992	16.25	16.88	16.25	16.88
84	NASDAQ	OSUR	Wed, Jul 15, 1992	16.63	16.63	16.25	16.25
83	NASDAQ	OSUR	Tue, Jul 14, 1992	16.13	16.63	16.13	16.50
82	NASDAQ	OSUR	Mon, Jul 13, 1992	15.75	16.75	15.75	16.38
81	NASDAQ	OSUR	Fri, Jul 10, 1992	15.88	16.00	15.75	15.88
80	NASDAQ	OSUR	Thu, Jul 9, 1992	15.88	16.00	15.75	15.88
79	NASDAQ	OSUR	Wed, Jul 8, 1992	16.00	16.13	15.75	15.88
78	NASDAQ	OSUR	Tue, Jul 7, 1992	16.13	16.88	16.00	16.00
77	NASDAQ	OSUR	Mon, Jul 6, 1992	16.50	16.50	16.00	16.00
76	NASDAQ	OSUR	Thu, Jul 2, 1992	17.00	17.13	16.50	16.50
75	NASDAQ	OSUR	Wed, Jul 1, 1992	17.13	17.25	16.63	16.75
74	NASDAQ	OSUR	Tue, Jun 30, 1992	15.75	17.13	15.75	16.75
73	NASDAQ	OSUR	Mon, Jun 29, 1992	15.88	16.00	15.63	15.75
72	NASDAQ	OSUR	Fri, Jun 26, 1992	16.38	16.38	15.88	15.88
71	NASDAQ	OSUR	Thu, Jun 25, 1992	16.13	17.13	16.00	16.25
70	NASDAQ	OSUR	Wed, Jun 24, 1992	15.63	15.63	15.25	15.50
69	NASDAQ	OSUR	Tue, Jun 23, 1992	15.88	16.00	15.50	15.75
68	NASDAQ	OSUR	Mon, Jun 22, 1992	17.13	17.25	15.38	16.13
67	NASDAQ	OSUR	Fri, Jun 19, 1992	17.25	17.63	16.88	17.25
66	NASDAQ	OSUR	Thu, Jun 18, 1992	16.88	17.38	16.50	17.13
65	NASDAQ	OSUR	Wed, Jun 17, 1992	15.38	16.88	14.38	16.75
64	NASDAQ	OSUR	Tue, Jun 16, 1992	17.00	17.00	15.50	15.75
63	NASDAQ	OSUR	Mon, Jun 15, 1992	16.50	17.75	16.50	17.00
62	NASDAQ	OSUR	Fri, Jun 12, 1992	18.63	18.63	16.00	16.00
61	NASDAQ	OSUR	Thu, Jun 11, 1992	19.00	19.13	18.50	18.63
60	NASDAQ	OSUR	Wed, Jun 10, 1992	18.75	18.75	18.25	18.75
59	NASDAQ	OSUR	Tue, Jun 9, 1992	19.50	19.50	18.63	18.63
58	NASDAQ	OSUR	Mon, Jun 8, 1992	20.13	20.13	19.50	19.50
57	NASDAQ	OSUR	Fri, Jun 5, 1992	20.75	20.75	19.88	20.13
56	NASDAQ	OSUR	Thu, Jun 4, 1992	21.25	21.38	20.50	20.50
55	NASDAQ	OSUR	Wed, Jun 3, 1992	21.50	21.63	21.13	21.25
54	NASDAQ	OSUR	Tue, Jun 2, 1992	21.63	21.88	21.25	21.38
53	NASDAQ	OSUR	Mon, Jun 1, 1992	20.00	21.75	19.63	21.75
52	NASDAQ	OSUR	Fri, May 29, 1992	20.25	20.25	19.75	20.00
51	NASDAQ	OSUR	Thu, May 28, 1992	19.13	20.25	19.00	20.13
50	NASDAQ	OSUR	Wed, May 27, 1992	19.38	19.38	18.00	19.13
49	NASDAQ	OSUR	Tue, May 26, 1992	19.88	20.75	19.38	19.63
48	NASDAQ	OSUR	Fri, May 22, 1992	18.88	19.75	18.88	19.75
47	NASDAQ	OSUR	Thu, May 21, 1992	19.00	19.13	18.63	18.88
46	NASDAQ	OSUR	Wed, May 20, 1992	19.13	19.25	18.88	19.13
45	NASDAQ	OSUR	Tue, May 19, 1992	18.75	19.25	18.63	19.00
44	NASDAQ	OSUR	Mon, May 18, 1992	19.50	19.63	18.63	18.75
43	NASDAQ	OSUR	Fri, May 15, 1992	18.13	19.38	18.00	19.25
42	NASDAQ	OSUR	Thu, May 14, 1992	17.75	18.13	17.75	17.88
41	NASDAQ	OSUR	Wed, May 13, 1992	18.00	18.13	17.88	17.88
40	NASDAQ	OSUR	Tue, May 12, 1992	17.63	17.88	17.63	17.88
39	NASDAQ	OSUR	Mon, May 11, 1992	17.63	17.75	17.50	17.63
38	NASDAQ	OSUR	Fri, May 8, 1992	18.00	18.00	17.63	17.88
37	NASDAQ	OSUR	Thu, May 7, 1992	17.75	18.25	17.50	18.00
36	NASDAQ	OSUR	Wed, May 6, 1992	18.00	18.13	17.63	17.63
35	NASDAQ	OSUR	Tue, May 5, 1992	17.88	18.00	17.75	17.75
34	NASDAQ	OSUR	Mon, May 4, 1992	17.75	18.25	17.63	18.00
33	NASDAQ	OSUR	Fri, May 1, 1992	17.75	17.75	17.38	17.50
32	NASDAQ	OSUR	Thu, Apr 30, 1992	16.88	17.75	16.75	17.75
31	NASDAQ	OSUR	Wed, Apr 29, 1992	16.75	16.75	15.13	16.63
30	NASDAQ	OSUR	Tue, Apr 28, 1992	17.88	17.88	16.50	16.75
29	NASDAQ	OSUR	Mon, Apr 27, 1992	18.25	18.25	17.63	17.63
28	NASDAQ	OSUR	Fri, Apr 24, 1992	18.13	19.00	17.88	18.13
27	NASDAQ	OSUR	Thu, Apr 23, 1992	18.00	18.13	17.50	18.13
26	NASDAQ	OSUR	Wed, Apr 22, 1992	18.00	18.00	17.25	18.00
25	NASDAQ	OSUR	Tue, Apr 21, 1992	18.38	18.63	18.00	18.00
24	NASDAQ	OSUR	Mon, Apr 20, 1992	19.63	19.75	18.38	18.50
23	NASDAQ	OSUR	Thu, Apr 16, 1992	19.75	19.88	19.63	19.75
22	NASDAQ	OSUR	Wed, Apr 15, 1992	20.50	20.50	19.63	19.88
21	NASDAQ	OSUR	Tue, Apr 14, 1992	19.88	20.63	19.88	20.38
20	NASDAQ	OSUR	Mon, Apr 13, 1992	20.25	20.25	19.63	19.75
19	NASDAQ	OSUR	Fri, Apr 10, 1992	19.63	20.00	19.50	19.75
18	NASDAQ	OSUR	Thu, Apr 9, 1992	19.13	19.38	18.75	19.25
17	NASDAQ	OSUR	Wed, Apr 8, 1992	19.38	19.50	18.63	19.13
16	NASDAQ	OSUR	Tue, Apr 7, 1992	20.50	20.50	19.38	19.63
15	NASDAQ	OSUR	Mon, Apr 6, 1992	18.00	20.50	18.00	20.50
14	NASDAQ	OSUR	Fri, Apr 3, 1992	17.75	18.50	17.75	18.00
13	NASDAQ	OSUR	Thu, Apr 2, 1992	17.88	17.88	17.50	17.75
12	NASDAQ	OSUR	Wed, Apr 1, 1992	18.00	18.13	17.75	17.88
11	NASDAQ	OSUR	Tue, Mar 31, 1992	18.13	18.25	17.88	18.25
10	NASDAQ	OSUR	Mon, Mar 30, 1992	18.50	18.63	18.13	18.13
9	NASDAQ	OSUR	Fri, Mar 27, 1992	18.75	18.75	17.88	18.75
8	NASDAQ	OSUR	Thu, Mar 26, 1992	18.63	18.88	18.50	18.63
7	NASDAQ	OSUR	Wed, Mar 25, 1992	19.38	19.50	18.50	18.50
6	NASDAQ	OSUR	Tue, Mar 24, 1992	19.63	19.63	19.38	19.38
5	NASDAQ	OSUR	Mon, Mar 23, 1992	20.00	20.13	19.63	19.63
4	NASDAQ	OSUR	Fri, Mar 20, 1992	19.75	20.13	19.75	20.13
3	NASDAQ	OSUR	Thu, Mar 19, 1992	20.00	20.00	19.25	19.50
2	NASDAQ	OSUR	Wed, Mar 18, 1992	20.00	20.00	19.75	19.88
1	NASDAQ	OSUR	Tue, Mar 17, 1992	20.13	20.38	19.88	20.00
#	Exchange	Symbol	Date	Open	High	Low	Close

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