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General | Insiders | Insider Transactions | Monthly Overview | Weekly Overview

Overview of all insider trading transactions in CERUS CORP. Get notifications about new insider transactions in CERUS CORP for free.

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Date	Ticker	Company	Owner	Relationship	Transaction	Code	Cost ($)	Shares	Transaction Value ($)	Total Shares	% Holdings
Jan 08 2010	CERS	CERUS CORP	CORASH LAURENCE M	Director	Grant	A	0.00	9,121	0	256,679	247.6 K to 256.7 K (+3.68 %)
Jan 08 2010	CERS	CERUS CORP	Greenman William Mariner	Sr. VP Bus. Dev. & ...	Grant	A	0.00	7,589	0	93,079	85.5 K to 93.1 K (+8.88 %)
Jan 08 2010	CERS	CERUS CORP	ERVIN HOWARD G	Vice President, Leg ...	Grant	A	0.00	7,577	0	49,478	41.9 K to 49.5 K (+18.08 %)
Jan 08 2010	CERS	CERUS CORP	Green Kevin Dennis	Chief Accounting Of ...	Grant	A	0.00	3,745	0	18,616	14.9 K to 18.6 K (+25.18 %)
Jan 06 2010	CERS	CERUS CORP	ANDERSON TIMOTHY B	Director	Option Exercise	A	1.80	15,000	27,000	15,000
Jan 06 2010	CERS	CERUS CORP	COZADD BRUCE C	Director	Option Exercise	A	1.80	15,000	27,000	15,000
Jan 06 2010	CERS	CERUS CORP	ROHN WILLIAM R	Director	Option Exercise	A	1.80	15,000	27,000	15,000
Jan 06 2010	CERS	CERUS CORP	SCHULZE GAIL	Director	Option Exercise	A	1.80	15,000	27,000	15,000
Jan 06 2010	CERS	CERUS CORP	CASSIN BJ	Director	Option Exercise	A	1.80	22,500	40,500	22,500
Dec 08 2009	CERS	CERUS CORP	CORASH LAURENCE M	Sr. VP & Chief Medi ...	Sell	D	1.88	3,000	5,650	247,558	250.6 K to 247.6 K (-1.20 %)
Dec 08 2009	CERS	CERUS CORP	CORASH LAURENCE M	Sr. VP & Chief Medi ...	Sell	D	1.88	7,000	13,175	250,558	257.6 K to 250.6 K (-2.72 %)
Dec 08 2009	CERS	CERUS CORP	CORASH LAURENCE M	Sr. VP & Chief Medi ...	Sell	D	1.86	21,644	40,217	257,558	279.2 K to 257.6 K (-7.75 %)
Oct 08 2009	CERS	CERUS CORP	Greenman William Mariner	Sr. VP Bus. Dev. & ...	Option Exercise	A	2.15	40,000	86,000	40,000
Oct 07 2009	CERS	CERUS CORP	ERVIN HOWARD G	Vice President, Leg ...	Option Exercise	A	2.15	30,000	64,500	30,000
Oct 07 2009	CERS	CERUS CORP	CORASH LAURENCE M	Chief Medical Offic ...	Option Exercise	A	2.15	30,000	64,500	30,000
Oct 07 2009	CERS	CERUS CORP	GLASSELL CLAES	Executive Officer a ...	Option Exercise	A	2.15	100,000	215,000	100,000
Oct 07 2009	CERS	CERUS CORP	Green Kevin Dennis	Chief Accounting Of ...	Option Exercise	A	2.15	25,000	53,750	25,000
Jul 29 2009	CERS	CERUS CORP	CORASH LAURENCE M	Chief Medical Offic ...	Option Exercise	A	2.98	100	298	150
May 05 2009	CERS	CERUS CORP	Green Kevin Dennis	Chief Accounting Of ...	Option Exercise	A	1.05	50,000	52,500	50,000
Apr 27 2009	CERS	CERUS CORP	GLASSELL CLAES	Executive Officer a ...	Option Exercise	A	1.06	50	53	50
Apr 27 2009	CERS	CERUS CORP	Greenman William Mariner	Sr. VP Bus. Dev. & ...	Option Exercise	A	1.06	100	106	100
Apr 27 2009	CERS	CERUS CORP	ERVIN HOWARD G	Vice President, Leg ...	Option Exercise	A	1.06	100	106	100
Jan 27 2009	CERS	CERUS CORP	SCHULZE GAIL	Director	Option Exercise	A	0.79	37,500	29,625	37,500
Jan 27 2009	CERS	CERUS CORP	ROHN WILLIAM R	Director	Option Exercise	A	0.79	37,500	29,625	37,500
Jan 27 2009	CERS	CERUS CORP	ANDERSON TIMOTHY B	Director	Option Exercise	A	0.79	37,500	29,625	37,500
Jan 27 2009	CERS	CERUS CORP	COZADD BRUCE C	Director	Option Exercise	A	0.79	37,500	29,625	37,500
Jan 27 2009	CERS	CERUS CORP	CASSIN BJ	Director	Option Exercise	A	0.79	51,250	40,488	51,250
Jan 14 2009	CERS	CERUS CORP	GLASSELL CLAES	Executive Officer a ...	Option Exercise	A	0.79	200,000	158,000	200,000
Jan 14 2009	CERS	CERUS CORP	DAWSON WILLIAM J	Chief Financial Off ...	Option Exercise	A	0.79	75,000	59,250	75,000
Jan 14 2009	CERS	CERUS CORP	CORASH LAURENCE M	Chief Medical Offic ...	Option Exercise	A	0.79	85,000	67,150	85,000
Jan 14 2009	CERS	CERUS CORP	Greenman William Mariner	President, Cerus Eu ...	Option Exercise	A	0.79	150,000	118,500	150,000
Jan 14 2009	CERS	CERUS CORP	ERVIN HOWARD G	Vice President, Leg ...	Option Exercise	A	0.79	75,000	59,250	75,000
Jan 06 2009	CERS	CERUS CORP	ROHN WILLIAM R	Director	Option Exercise	A	0.82	15,000	12,300	15,000
Jan 06 2009	CERS	CERUS CORP	COZADD BRUCE C	Director	Option Exercise	A	0.82	15,000	12,300	15,000
Jan 06 2009	CERS	CERUS CORP	ANDERSON TIMOTHY B	Director	Option Exercise	A	0.82	15,000	12,300	15,000
Jan 06 2009	CERS	CERUS CORP	CASSIN BJ	Director	Option Exercise	A	0.82	22,500	18,450	22,500
Jan 06 2009	CERS	CERUS CORP	SCHULZE GAIL	Director	Option Exercise	A	0.82	15,000	12,300	15,000
Dec 17 2008	CERS	CERUS CORP	CASSIN BJ	Director	Buy	P	0.71	100,000	71,160	497,384	397.4 K to 497.4 K (+25.16 %)
Oct 14 2008	CERS	CERUS CORP	GLASSELL CLAES	Executive Officer a ...	Option Exercise	A	4.19	100,000	419,000	100,000
Dec 16 2008	CERS	CERUS CORP	GLASSELL CLAES	Executive Officer a ...	Buy	P	0.72	50,000	35,775	176,902	126.9 K to 176.9 K (+39.40 %)
Oct 14 2008	CERS	CERUS CORP	DAWSON WILLIAM J	Chief Financial Off ...	Option Exercise	A	4.19	30,000	125,700	30,000
Oct 14 2008	CERS	CERUS CORP	CORASH LAURENCE M	Chief Medical Offic ...	Option Exercise	A	4.19	35,000	146,650	35,000
Oct 14 2008	CERS	CERUS CORP	Greenman William Mariner	President, Cerus Eu ...	Option Exercise	A	4.19	40,000	167,600	40,000
Oct 14 2008	CERS	CERUS CORP	ERVIN HOWARD G	Vice President, Leg ...	Option Exercise	A	4.19	30,000	125,700	30,000
Mar 18 2008	CERS	CERUS CORP	DAWSON WILLIAM J	Chief Financial Off ...	Option Exercise	M	2.05	100,000	205,000	50,000
Mar 18 2008	CERS	CERUS CORP	DAWSON WILLIAM J	Chief Financial Off ...	Buy	M	2.05	100,000	205,000	156,825	56.8 K to 156.8 K (+175.98 %)
Jan 14 2008	CERS	CERUS CORP	Greenman William Mariner	President, Cerus Eu ...	Grant	A	0.00	4,506	0	85,490	81 K to 85.5 K (+5.56 %)
Jan 14 2008	CERS	CERUS CORP	ERVIN HOWARD G	Vice President, Leg ...	Grant	A	0.00	4,660	0	41,901	37.2 K to 41.9 K (+12.51 %)
Jan 14 2008	CERS	CERUS CORP	GLASSELL CLAES	Executive Officer a ...	Grant	A	0.00	14,163	0	126,902	112.7 K to 126.9 K (+12.56 %)
Jan 14 2008	CERS	CERUS CORP	CORASH LAURENCE M	Director	Grant	A	0.00	5,469	0	279,202	273.7 K to 279.2 K (+2.00 %)
Jan 14 2008	CERS	CERUS CORP	DAWSON WILLIAM J	Chief Financial Off ...	Grant	A	0.00	3,630	0	56,825	53.2 K to 56.8 K (+6.82 %)
Jan 04 2008	CERS	CERUS CORP	CASSIN BJ	Director	Option Exercise	A	6.51	22,500	146,475	22,500
Jan 04 2008	CERS	CERUS CORP	ROHN WILLIAM R	Director	Option Exercise	A	6.51	15,000	97,650	15,000
Jan 04 2008	CERS	CERUS CORP	COZADD BRUCE C	Director	Option Exercise	A	6.51	15,000	97,650	15,000
Jan 04 2008	CERS	CERUS CORP	ANDERSON TIMOTHY B	Director	Option Exercise	A	6.51	15,000	97,650	15,000
Jan 04 2008	CERS	CERUS CORP	SCHULZE GAIL	Director	Option Exercise	A	6.51	2,794	18,189	2,794
Jan 04 2008	CERS	CERUS CORP	SCHULZE GAIL	Director	Option Exercise	A	7.72	25,000	193,000	25,000
Oct 03 2007	CERS	CERUS CORP	ERVIN HOWARD G	Vice President, Leg ...	Option Exercise	A	8.73	30,000	261,900	30,000
Oct 03 2007	CERS	CERUS CORP	COOK DAVID N	Vice President, R & ...	Option Exercise	A	8.73	30,000	261,900	30,000
Oct 03 2007	CERS	CERUS CORP	CORASH LAURENCE M	Director	Option Exercise	A	8.73	30,000	261,900	30,000
Oct 03 2007	CERS	CERUS CORP	Greenman William Mariner	President, Cerus Eu ...	Option Exercise	A	8.73	30,000	261,900	30,000
Oct 03 2007	CERS	CERUS CORP	DAWSON WILLIAM J	Chief Financial Off ...	Option Exercise	A	8.73	25	218	25
Oct 03 2007	CERS	CERUS CORP	DAWSON WILLIAM J	Chief Financial Off ...	Option Exercise	A	8.73	30,000	261,900	30,000
Oct 03 2007	CERS	CERUS CORP	GLASSELL CLAES	Executive Officer a ...	Option Exercise	A	8.73	50,000	436,500	50,000
Jul 02 2007	CERS	CERUS CORP	DAWSON WILLIAM J	Chief Financial Off ...	Grant	A	0.00	25	0	53,220	53.2 K to 53.2 K (+0.05 %)
May 10 2007	CERS	CERUS CORP	CORASH LAURENCE M	Director	Grant	A	5.79	5,000	28,952	273,733	268.7 K to 273.7 K (+1.86 %)
May 08 2007	CERS	CERUS CORP	CORASH LAURENCE M	Director	Grant	A	6.10	5,000	30,482	268,733	263.7 K to 268.7 K (+1.90 %)
Apr 17 2007	CERS	CERUS CORP	GLASSELL CLAES	Executive Officer a ...	Grant	A	0.00	25	0	112,764	112.7 K to 112.8 K (+0.02 %)
Feb 28 2007	CERS	CERUS CORP	DAWSON WILLIAM J	Chief Financial Off ...	Buy	P	5.45	11,976	65,269	53,195	41.2 K to 53.2 K (+29.05 %)
Feb 28 2007	CERS	CERUS CORP	DAWSON WILLIAM J	Chief Financial Off ...	Buy	P	5.44	500	2,720	41,219	40.7 K to 41.2 K (+1.23 %)
Feb 28 2007	CERS	CERUS CORP	DAWSON WILLIAM J	Chief Financial Off ...	Buy	P	5.43	600	3,258	40,719	40.1 K to 40.7 K (+1.50 %)
Feb 28 2007	CERS	CERUS CORP	DAWSON WILLIAM J	Chief Financial Off ...	Buy	P	5.42	1,649	8,938	40,119	38.5 K to 40.1 K (+4.29 %)
Feb 28 2007	CERS	CERUS CORP	DAWSON WILLIAM J	Chief Financial Off ...	Buy	P	5.41	3,087	16,701	38,470	35.4 K to 38.5 K (+8.72 %)
Feb 28 2007	CERS	CERUS CORP	DAWSON WILLIAM J	Chief Financial Off ...	Buy	P	5.40	644	3,478	35,383	34.7 K to 35.4 K (+1.85 %)
Feb 28 2007	CERS	CERUS CORP	DAWSON WILLIAM J	Chief Financial Off ...	Buy	P	5.39	426	2,296	34,739	34.3 K to 34.7 K (+1.24 %)
Feb 28 2007	CERS	CERUS CORP	DAWSON WILLIAM J	Chief Financial Off ...	Buy	P	5.38	718	3,863	34,313	33.6 K to 34.3 K (+2.14 %)
Feb 28 2007	CERS	CERUS CORP	DAWSON WILLIAM J	Chief Financial Off ...	Buy	P	5.37	400	2,148	33,595	33.2 K to 33.6 K (+1.21 %)
Mar 01 2007	CERS	CERUS CORP	GLASSELL CLAES	Executive Officer a ...	Buy	P	5.41	10,000	54,126	112,739	102.7 K to 112.7 K (+9.73 %)
Jan 09 2007	CERS	CERUS CORP	COOK DAVID N	Vice President, R & ...	Grant	A	0.00	5,970	0	43,836	37.9 K to 43.8 K (+15.77 %)
Jan 09 2007	CERS	CERUS CORP	ERVIN HOWARD G	Vice President, Leg ...	Grant	A	0.00	5,432	0	37,241	31.8 K to 37.2 K (+17.08 %)
Jan 09 2007	CERS	CERUS CORP	CORASH LAURENCE M	Director	Grant	A	0.00	6,766	0	263,733	257 K to 263.7 K (+2.63 %)
Jan 09 2007	CERS	CERUS CORP	DAWSON WILLIAM J	Chief Financial Off ...	Grant	A	0.00	5,114	0	33,195	28.1 K to 33.2 K (+18.21 %)
Jan 09 2007	CERS	CERUS CORP	GLASSELL CLAES	Executive Officer a ...	Grant	A	0.00	17,114	0	102,739	85.6 K to 102.7 K (+19.99 %)
Jan 09 2007	CERS	CERUS CORP	Greenman William Mariner	President, Cerus Eu ...	Grant	A	0.00	4,958	0	4,958	0 to 5 K
Jan 04 2007	CERS	CERUS CORP	CASSIN BJ	Director	Option Exercise	A	5.86	22,500	131,850	22,500
Jan 04 2007	CERS	CERUS CORP	ROHN WILLIAM R	Director	Option Exercise	A	5.86	15,000	87,900	15,000
Jan 04 2007	CERS	CERUS CORP	COZADD BRUCE C	Director	Option Exercise	A	5.86	15,000	87,900	15,000
Jan 04 2007	CERS	CERUS CORP	ANDERSON TIMOTHY B	Director	Option Exercise	A	5.86	15,000	87,900	15,000
Oct 04 2006	CERS	CERUS CORP	CORASH LAURENCE M	Director	Option Exercise	A	5.55	30,000	166,500	30,000
Oct 04 2006	CERS	CERUS CORP	GLASSELL CLAES	Executive Officer a ...	Option Exercise	A	5.55	60,000	333,000	60,000
Oct 04 2006	CERS	CERUS CORP	DAWSON WILLIAM J	Chief Financial Off ...	Option Exercise	A	5.55	30,000	166,500	30,000
Oct 04 2006	CERS	CERUS CORP	COOK DAVID N	Vice President, R & ...	Option Exercise	A	5.55	30,000	166,500	30,000
Oct 04 2006	CERS	CERUS CORP	ERVIN HOWARD G	Vice President, Leg ...	Option Exercise	A	5.55	30,000	166,500	30,000
Oct 04 2006	CERS	CERUS CORP	Greenman William Mariner	President, Cerus Eu ...	Option Exercise	A	5.55	55,000	305,250	55,000
Aug 30 2006	CERS	CERUS CORP	CORASH LAURENCE M	Director	Sell	S	6.10	8,000	48,791	266,367	274.4 K to 266.4 K (-2.92 %)
Aug 30 2006	CERS	CERUS CORP	CORASH LAURENCE M	Director	Sell	S	6.00	2,000	12,000	274,367	276.4 K to 274.4 K (-0.72 %)
Apr 18 2006	CERS	CERUS CORP	CASSIN BJ	Director	Gift	G	0.00	14,700	0	397,384	382.7 K to 397.4 K (+3.84 %)
Apr 18 2006	CERS	CERUS CORP	CASSIN BJ	Director	Gift	G	0.00	14,700	0	0	14.7 K to 0 (-100.00 %)
Apr 05 2006	CERS	CERUS CORP	COOK DAVID N	Vice President, R & ...	Grant	A	0.00	50	0	37,916	37.9 K to 37.9 K (+0.13 %)
Apr 05 2006	CERS	CERUS CORP	ERVIN HOWARD G	Vice President, Leg ...	Grant	A	0.00	75	0	35,491	35.4 K to 35.5 K (+0.21 %)
Mar 15 2006	CERS	CERUS CORP	CORASH LAURENCE M	Director	Option Exercise	M	2.72	4,400	11,973	0
Mar 15 2006	CERS	CERUS CORP	CORASH LAURENCE M	Director	Buy	M	2.72	4,400	11,973	276,367	272 K to 276.4 K (+1.62 %)
Jan 11 2006	CERS	CERUS CORP	DAWSON WILLIAM J	Chief Financial Off ...	Grant	A	0.00	3,081	0	28,081	25 K to 28.1 K (+12.32 %)
Mar 10 2006	CERS	CERUS CORP	CORASH LAURENCE M	Director	Option Exercise	M	2.72	10,000	27,211	4,400
Mar 10 2006	CERS	CERUS CORP	CORASH LAURENCE M	Director	Option Exercise	M	2.72	5,000	13,606	14,400
Mar 10 2006	CERS	CERUS CORP	CORASH LAURENCE M	Director	Buy	M	2.72	10,000	27,211	271,967	262 K to 272 K (+3.82 %)
Mar 10 2006	CERS	CERUS CORP	CORASH LAURENCE M	Director	Buy	M	2.72	5,000	13,606	261,967	257 K to 262 K (+1.95 %)
Feb 02 2006	CERS	CERUS CORP	CASSIN BJ	Director	Option Exercise	M	2.72	14,700	40,000	0
Feb 02 2006	CERS	CERUS CORP	CASSIN BJ	Director	Buy	M	2.72	14,700	40,000	14,700	0 to 14.7 K
Jan 11 2006	CERS	CERUS CORP	ERVIN HOWARD G	Vice President, Leg ...	Grant	A	0.00	3,273	0	31,809	28.5 K to 31.8 K (+11.47 %)
Jan 11 2006	CERS	CERUS CORP	COOK DAVID N	Vice President, R & ...	Grant	A	0.00	4,033	0	37,866	33.8 K to 37.9 K (+11.92 %)
Jan 05 2006	CERS	CERUS CORP	CASSIN BJ	Director	Option Exercise	A	10.15	22,500	228,375	22,500
Jan 11 2006	CERS	CERUS CORP	CORASH LAURENCE M	Director	Grant	A	0.00	3,942	0	256,967	253 K to 257 K (+1.56 %)
Jan 11 2006	CERS	CERUS CORP	GLASSELL CLAES	Executive Officer a ...	Grant	A	0.00	10,625	0	85,625	75 K to 85.6 K (+14.17 %)
Jan 05 2006	CERS	CERUS CORP	ROHN WILLIAM R	Director	Option Exercise	A	10.15	15,000	152,250	15,000
Jan 05 2006	CERS	CERUS CORP	COZADD BRUCE C	Director	Option Exercise	A	10.15	15,000	152,250	15,000
Jan 05 2006	CERS	CERUS CORP	ANDERSON TIMOTHY B	Director	Option Exercise	A	10.15	15,000	152,250	15,000
Oct 04 2005	CERS	CERUS CORP	GLASSELL CLAES	Executive Officer a ...	Option Exercise	A	8.86	75,000	664,500	75,000
Oct 04 2005	CERS	CERUS CORP	DAWSON WILLIAM J	Chief Financial Off ...	Option Exercise	A	8.86	40,000	354,400	40,000
Oct 04 2005	CERS	CERUS CORP	ERVIN HOWARD G	Vice President, Leg ...	Option Exercise	A	8.86	40,000	354,400	40,000
Oct 04 2005	CERS	CERUS CORP	CORASH LAURENCE M	Director	Option Exercise	A	8.86	40,000	354,400	40,000
Oct 04 2005	CERS	CERUS CORP	COOK DAVID N	Vice President, R & ...	Option Exercise	A	8.86	50,000	443,000	50,000
Sep 01 2005	CERS	CERUS CORP	COZADD BRUCE C	Director	Option Exercise	A	6.76	3,333	22,531	3,333
Sep 01 2005	CERS	CERUS CORP	ROHN WILLIAM R	Director	Option Exercise	A	6.76	3,333	22,531	3,333
Sep 01 2005	CERS	CERUS CORP	ANDERSON TIMOTHY B	Director	Option Exercise	A	6.76	3,333	22,531	3,333
Sep 01 2005	CERS	CERUS CORP	CASSIN BJ	Director	Option Exercise	A	6.76	5,000	33,800	5,000
May 17 2005	CERS	CERUS CORP	ROHN WILLIAM R	Director	Option Exercise	A	3.66	3,333	12,199	3,333
May 17 2005	CERS	CERUS CORP	CASSIN BJ	Director	Option Exercise	A	3.66	5,000	18,300	5,000
May 17 2005	CERS	CERUS CORP	COZADD BRUCE C	Director	Option Exercise	A	3.66	3,333	12,199	3,333
May 17 2005	CERS	CERUS CORP	ANDERSON TIMOTHY B	Director	Option Exercise	A	3.66	3,333	12,199	3,333
Feb 17 2005	CERS	CERUS CORP	ANDERSON TIMOTHY B	Director	Option Exercise	M	3.25	2,091	6,796	0
Feb 17 2005	CERS	CERUS CORP	ANDERSON TIMOTHY B	Director	Buy	M	3.25	2,091	6,796	4,182	2.1 K to 4.2 K (+100.00 %)
Feb 09 2005	CERS	CERUS CORP	GLASSELL CLAES	Executive Officer a ...	Buy	P	3.90	10,281	40,096	75,000	64.7 K to 75 K (+15.89 %)
Feb 09 2005	CERS	CERUS CORP	GLASSELL CLAES	Executive Officer a ...	Buy	P	3.89	300	1,167	64,719	64.4 K to 64.7 K (+0.47 %)
Feb 09 2005	CERS	CERUS CORP	GLASSELL CLAES	Executive Officer a ...	Buy	P	3.87	400	1,548	64,419	64 K to 64.4 K (+0.62 %)
Feb 09 2005	CERS	CERUS CORP	GLASSELL CLAES	Executive Officer a ...	Buy	P	3.85	14,019	53,973	64,019	50 K to 64 K (+28.04 %)
Feb 09 2005	CERS	CERUS CORP	DAWSON WILLIAM J	Chief Financial Off ...	Buy	P	3.88	25,000	97,000	25,000	0 to 25 K
Jan 05 2005	CERS	CERUS CORP	ANDERSON TIMOTHY B	Director	Option Exercise	M	2.14	2,091	4,475	0
Jan 05 2005	CERS	CERUS CORP	ANDERSON TIMOTHY B	Director	Buy	M	2.14	2,091	4,475	2,091	0 to 2.1 K
Jan 04 2005	CERS	CERUS CORP	ROHN WILLIAM R	Director	Option Exercise	A	2.95	3,334	9,835	3,334
Jan 04 2005	CERS	CERUS CORP	LARKIN C RAYMOND JR	Director	Option Exercise	A	2.95	3,334	9,835	3,334
Jan 04 2005	CERS	CERUS CORP	COZADD BRUCE C	Director	Option Exercise	A	2.95	3,334	9,835	3,334
Jan 04 2005	CERS	CERUS CORP	ANDERSON TIMOTHY B	Director	Option Exercise	A	2.95	3,334	9,835	3,334
Jan 04 2005	CERS	CERUS CORP	CASSIN BJ	Director	Option Exercise	A	2.95	5,000	14,750	5,000
Dec 14 2004	CERS	CERUS CORP	GLASSELL CLAES	Executive Officer a ...	Option Exercise	A	2.89	100,000	289,000	100,000
Nov 16 2004	CERS	CERUS CORP	CORASH LAURENCE M	Director	Option Exercise	A	2.51	100	251	100
Sep 01 2004	CERS	CERUS CORP	ROHN WILLIAM R	Director	Option Exercise	A	2.14	3,333	7,133	3,333
Sep 01 2004	CERS	CERUS CORP	LARKIN C RAYMOND JR	Director	Option Exercise	A	2.14	3,333	7,133	3,333
Sep 01 2004	CERS	CERUS CORP	COZADD BRUCE C	Director	Option Exercise	A	2.14	3,333	7,133	3,333
Sep 01 2004	CERS	CERUS CORP	ANDERSON TIMOTHY B	Director	Option Exercise	A	2.14	2,091	4,475	2,091

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