M Laurence Corash

Insider Trading: Purchases

Company	Symbol	Price	Amount	Relationship	Remaining Holdings	Date	Form 4
Cerus Corp	CERS	$5.27	32,100	Officer, Director	1,602,591	2018-03-15	Filing
Cerus Corp	CERS	$5.19	17,911	Officer, Director	1,570,491	2018-03-14	Filing
Cerus Corp	CERS	$5.13	90,000	Officer, Director	1,552,580	2018-03-13	Filing
Cerus Corp	CERS	$4.95	10,000	Officer, Director	1,462,580	2018-03-12	Filing
Cerus Corp	CERS	$2.46	46,030	Officer, Director	1,421,741	2017-08-11	Filing
Cerus Corp	CERS	$2.44	46,766	Officer, Director	1,375,711	2017-08-10	Filing
Cerus Corp	CERS	$4.95	19,500	Officer, Director	1,289,756	2015-08-20	Filing
Cerus Corp	CERS	$4.99	25,900	Officer, Director	1,270,256	2015-08-19	Filing
Cerus Corp	CERS	$4.92	6,718	Officer, Director	1,244,356	2015-08-18	Filing
Cerus Corp	CERS	$4.81	27,982	Officer, Director	1,237,638	2015-08-17	Filing
Cerus Corp	CERS	$4.73	49,900	Officer, Director	1,209,656	2015-08-14	Filing
Cerus Corp	CERS	$4.98	50,000	Officer, Director	1,159,756	2015-08-13	Filing
Cerus Corp	CERS	$4.82	25,000	Officer, Director	1,109,756	2015-08-12	Filing
Cerus Corp	CERS	$2.85	2,000	Officer, Director	574,200	2012-11-16	Filing
Cerus Corp	CERS	$2.80	16,597	Officer, Director	572,200	2011-11-14	Filing
Cerus Corp	CERS	$2.83	33,403	Officer, Director	555,603	2011-11-11	Filing
Cerus Corp	CERS	$2.95	12,000	Officer, Director	522,200	2011-05-19	Filing
Cerus Corp	CERS	$2.92	3,500	Officer, Director	510,200	2011-05-18	Filing
Cerus Corp	CERS	$2.95	5,000	Officer, Director	506,700	2011-05-17	Filing
Cerus Corp	CERS	$2.87	20,000	Officer, Director	501,700	2011-05-13	Filing