Insider Trading activities of Cerus Corp (CERS)

Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Cerus Corp (CERS) since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Cerus Corp since year 2005. Table 2 shows the detailed insider transactions of Cerus Corp since 2005. The reporting company's ticker symbol is CERS. The reporting company's CIK number is 1020214.
The total value of stock buying since 2005 is $3,189,245.
The total value of stock sales since 2005 is $4,530,926.
The total value of stock option exercises since 2005 is $5,294,021.


Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Cerus Corp (CERS).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2019-12 0 $0 15,000 $62,850 15,000 $27,000
2019-11 0 $0 0 $0 13,000 $48,750
2019-10 0 $0 0 $0 76,282 $270,000
2019-09 0 $0 30,000 $159,840 74,297 $150,500
2019-08 0 $0 35,239 $183,968 56,755 $99,573
2019-06 10,000 $46,000 0 $0 43,427 $0
2019-04 0 $0 2,786 $18,136 2,886 $6,095
2019-03 0 $0 106,521 $589,860 278,174 $41,265
2019-02 0 $0 2,783 $16,313 2,783 $5,983
2019-01 0 $0 2,783 $15,562 2,783 $5,983
2018-12 0 $0 2,783 $14,889 152,783 $124,483
2018-11 0 $0 2,783 $15,470 2,783 $5,983
2018-10 0 $0 2,783 $16,945 2,783 $5,983
2018-09 0 $0 2,783 $20,140 2,783 $5,983
2018-08 0 $0 102,783 $770,422 156,949 $545,793
2018-07 0 $0 0 $0 35,000 $146,650
2018-06 0 $0 127,500 $853,222 194,875 $101,511
2018-05 0 $0 165,472 $1,060,367 143,000 $306,071
2018-03 150,011 $773,253 35,479 $175,468 118,576 $0
2017-08 92,796 $227,249 0 $0 35,000 $33,800
2017-06 0 $0 0 $0 52,868 $0
2017-03 0 $0 16,954 $71,025 49,201 $0
2016-09 0 $0 0 $0 85,000 $471,750
2016-08 0 $0 17,150 $116,654 17,150 $83,520
2016-03 0 $0 8,541 $48,043 0 $0
2015-12 0 $0 0 $0 50,000 $221,150
2015-08 205,000 $998,804 0 $0 0 $0
2015-06 0 $0 0 $0 50,000 $155,500
2015-04 0 $0 0 $0 3,333 $12,198
2015-03 0 $0 0 $0 77,709 $197,380
2015-02 0 $0 0 $0 63,541 $182,362
2014-12 0 $0 195 $840 18,334 $47,035
2014-11 21,800 $85,630 0 $0 0 $0
2014-10 0 $0 0 $0 162,750 $343,402
2014-08 0 $0 36,074 $257,393 53,333 $46,632
2014-06 0 $0 0 $0 75,000 $170,997
2014-05 0 $0 0 $0 96,500 $220,018
2014-04 0 $0 556 $2,735 3,333 $10,832
2014-03 0 $0 0 $0 77,925 $153,720
2013-11 0 $0 0 $0 55,425 $230,310
2013-08 0 $0 0 $0 17,250 $73,312
2012-11 19,000 $54,636 0 $0 43,125 $34,715
2011-11 50,000 $141,001 0 $0 0 $0
2011-05 177,400 $506,608 0 $0 0 $0
2011-03 33,015 $86,894 0 $0 0 $0
2008-12 150,000 $106,850 0 $0 0 $0
2008-03 0 $0 0 $0 300,000 $614,997
2007-02 30,000 $162,320 0 $0 0 $0
2006-08 0 $0 10,000 $60,784 0 $0
2006-03 0 $0 0 $0 19,400 $52,787
2006-01 0 $0 0 $0 14,700 $39,998

Table 2. Detailed insider stock purchases, sales, and option exercises of Cerus Corp insiders (CERS)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2019-12-04 Schulze Gail (Director) Sale 15,000 4.19 62,850
2019-12-04 Schulze Gail (Director) Option Ex 15,000 1.80 27,000
2019-11-01 Corash Laurence M (Chief Scientific Officer) Option Ex 13,000 3.75 48,750
2019-10-25 Corash Laurence M (Chief Scientific Officer) Option Ex 12,000 3.75 45,000
2019-10-09 Corash Laurence M (Chief Scientific Officer) Option Ex 30,000 3.75 112,500
2019-10-04 Bjerkholt Eric (Director) Option Ex 4,282 .00 0
2019-10-02 Corash Laurence M (Chief Scientific Officer) Option Ex 30,000 3.75 112,500
2019-09-24 Greenman William Mariner (President and CEO) Option Ex 40,000 2.15 86,000
2019-09-16 Moore Carol (SVP Reg. & Quality) Sale 30,000 5.33 159,840
2019-09-16 Moore Carol (SVP Reg. & Quality) Option Ex 30,000 2.15 64,500
2019-09-05 Moore Timothy L. (Director) Option Ex 4,297 .00 0
2019-08-30 Jayaraman Vivek K (Chief Commercial Officer) Option Ex 18,750 .00 0
2019-08-19 Anderson Timothy B (Director) Sale 9,131 5.58 50,914
2019-08-19 Anderson Timothy B (Director) Option Ex 19,005 2.62 49,793
2019-08-16 Anderson Timothy B (Director) Sale 9,664 5.25 50,736
2019-08-16 Anderson Timothy B (Director) Option Ex 19,000 2.62 49,780
2019-08-07 Benjamin Richard J (Chief Medical Officer) Sale 16,444 5.01 82,318
2019-06-04 Witney Frank (Director) Option Ex 10,223 .00 0
2019-06-04 Greenman William Mariner (President and CEO) Buy 10,000 4.60 46,000
2019-06-04 Swisher Daniel N Jr (Director) Option Ex 12,758 .00 0
2019-06-04 Anderson Timothy B (Director) Option Ex 10,223 .00 0
2019-06-04 Schulze Gail (Director) Option Ex 10,223 .00 0
2019-04-22 Greenman William Mariner (President and CEO) Option Ex 100 1.06 106
2019-04-10 Green Kevin Dennis (Chief Financial Officer) Sale 2,786 6.51 18,136
2019-04-10 Green Kevin Dennis (Chief Financial Officer) Option Ex 2,786 2.15 5,989
2019-03-13 Jayaraman Vivek K (Chief Commercial Officer) Sale 5,979 5.90 35,276
2019-03-13 Moore Carol (SVP Reg. & Quality) Sale 8,811 5.90 51,976
2019-03-13 Menard Chrystal (Chief Legal Officer) Sale 8,811 5.90 51,984
2019-03-13 Green Kevin Dennis (Chief Financial Officer) Sale 2,832 5.90 16,705
2019-03-13 Green Kevin Dennis (Chief Financial Officer) Option Ex 5,979 5.90 35,282
2019-03-13 Greenman William Mariner (President and CEO) Sale 37,678 5.90 222,300
2019-03-13 Benjamin Richard J (Chief Medical Officer) Sale 8,811 5.90 51,984
2019-03-12 Jayaraman Vivek K (Chief Commercial Officer) Option Ex 19,584 .00 0
2019-03-12 Moore Carol (SVP Reg. & Quality) Sale 2,075 6.48 13,446
2019-03-12 Moore Carol (SVP Reg. & Quality) Option Ex 23,334 .00 0
2019-03-12 Menard Chrystal (Chief Legal Officer) Sale 1,972 6.48 12,778
2019-03-12 Menard Chrystal (Chief Legal Officer) Option Ex 23,334 .00 0
2019-03-12 Green Kevin Dennis (Chief Financial Officer) Sale 17,909 3.24 58,025
2019-03-12 Green Kevin Dennis (Chief Financial Officer) Option Ex 7,500 .00 0
2019-03-12 Greenman William Mariner (President and CEO) Sale 7,781 6.48 50,420
2019-03-12 Greenman William Mariner (President and CEO) Option Ex 99,792 .00 0
2019-03-12 Benjamin Richard J (Chief Medical Officer) Sale 1,079 6.48 6,991
2019-03-12 Benjamin Richard J (Chief Medical Officer) Option Ex 23,334 .00 0
2019-03-12 Corash Laurence M (Chief Scientific Officer) Option Ex 23,334 .00 0
2019-03-11 Green Kevin Dennis (Chief Financial Officer) Sale 2,783 6.46 17,975
2019-03-11 Green Kevin Dennis (Chief Financial Officer) Option Ex 2,783 2.15 5,983
2019-03-10 Moore Carol (SVP Reg. & Quality) Option Ex 6,000 .00 0
2019-03-10 Menard Chrystal (Chief Legal Officer) Option Ex 5,700 .00 0
2019-03-10 Green Kevin Dennis (Chief Financial Officer) Option Ex 6,000 .00 0
2019-03-10 Greenman William Mariner (President and CEO) Option Ex 22,500 .00 0
2019-03-10 Benjamin Richard J (Chief Medical Officer) Option Ex 3,000 .00 0
2019-03-10 Corash Laurence M (Chief Scientific Officer) Option Ex 6,000 .00 0
2019-02-11 Green Kevin Dennis (Chief Financial Officer) Sale 2,783 5.86 16,313
2019-02-11 Green Kevin Dennis (Chief Financial Officer) Option Ex 2,783 2.15 5,983
2019-01-10 Green Kevin Dennis (Chief Financial Officer) Sale 2,783 5.59 15,562
2019-01-10 Green Kevin Dennis (Chief Financial Officer) Option Ex 2,783 2.15 5,983
2018-12-28 Greenman William Mariner (President and CEO) Option Ex 150,000 .79 118,500
2018-12-10 Green Kevin Dennis (Chief Financial Officer) Sale 2,783 5.35 14,889
2018-12-10 Green Kevin Dennis (Chief Financial Officer) Option Ex 2,783 2.15 5,983
2018-11-12 Green Kevin Dennis (Chief Financial Officer) Sale 2,783 5.56 15,470
2018-11-12 Green Kevin Dennis (Chief Financial Officer) Option Ex 2,783 2.15 5,983
2018-10-10 Green Kevin Dennis (Chief Financial Officer) Sale 2,783 6.09 16,945
2018-10-10 Green Kevin Dennis (Chief Financial Officer) Option Ex 2,783 2.15 5,983
2018-09-10 Green Kevin Dennis (Chief Financial Officer) Sale 2,783 7.24 20,140
2018-09-10 Green Kevin Dennis (Chief Financial Officer) Option Ex 2,783 2.15 5,983
2018-08-29 Jayaraman Vivek K (Chief Commercial Officer) Option Ex 18,750 .00 0
2018-08-28 Green Kevin Dennis (Chief Financial Officer) Sale 50,000 7.50 375,000
2018-08-28 Green Kevin Dennis (Chief Financial Officer) Option Ex 50,000 3.00 150,000
2018-08-28 Benjamin Richard J (Chief Medical Officer) Sale 50,000 7.52 376,050
2018-08-28 Benjamin Richard J (Chief Medical Officer) Option Ex 50,000 4.72 236,000
2018-08-14 Benjamin Richard J (Chief Medical Officer) Option Ex 35,416 4.33 153,351
2018-08-10 Green Kevin Dennis (Chief Financial Officer) Sale 2,783 6.96 19,372
2018-08-10 Green Kevin Dennis (Chief Financial Officer) Option Ex 2,783 2.31 6,442
2018-07-25 Corash Laurence M (Chief Scientific Officer) Option Ex 35,000 4.19 146,650
2018-06-08 Schulze Gail (Director) Sale 52,500 6.65 349,125
2018-06-08 Schulze Gail (Director) Option Ex 52,500 .81 42,262
2018-06-05 Moore Carol (SVP Reg. & Quality) Sale 69,478 6.72 467,100
2018-06-05 Moore Carol (SVP Reg. & Quality) Option Ex 69,478 .79 54,887
2018-06-05 Witney Frank (Director) Option Ex 15,853 .00 0
2018-06-05 Swisher Daniel N Jr (Director) Option Ex 19,816 .00 0
2018-06-05 Anderson Timothy B (Director) Option Ex 15,853 .00 0
2018-06-05 Schulze Gail (Director) Option Ex 15,853 .00 0
2018-06-04 Moore Carol (SVP Reg. & Quality) Sale 5,522 6.70 36,997
2018-06-04 Moore Carol (SVP Reg. & Quality) Option Ex 5,522 .79 4,362
2018-05-18 Anderson Timothy B (Director) Sale 23,000 6.65 152,950
2018-05-18 Anderson Timothy B (Director) Option Ex 50,000 3.02 151,250
2018-05-17 Green Kevin Dennis (Chief Financial Officer) Sale 29,700 6.47 192,099
2018-05-17 Green Kevin Dennis (Chief Financial Officer) Option Ex 29,700 1.05 31,185
2018-05-16 Green Kevin Dennis (Chief Financial Officer) Sale 43,300 6.39 276,730
2018-05-16 Green Kevin Dennis (Chief Financial Officer) Option Ex 43,300 .92 39,836
2018-05-11 Moore Carol (SVP Reg. & Quality) Sale 60,841 6.26 380,864
2018-05-11 Moore Carol (SVP Reg. & Quality) Option Ex 20,000 4.19 83,800
2018-05-11 Benjamin Richard J (Chief Medical Officer) Sale 8,631 6.69 57,724
2018-03-15 Corash Laurence M (Chief Scientific Officer) Buy 32,100 5.27 169,295
2018-03-14 Corash Laurence M (Chief Scientific Officer) Buy 17,911 5.19 92,958
2018-03-13 Moore Carol (SVP Reg. & Quality) Sale 2,623 5.05 13,246
2018-03-13 Menard Chrystal (Chief Legal Officer) Sale 2,650 5.05 13,382
2018-03-13 Green Kevin Dennis (Chief Financial Officer) Sale 2,674 5.05 13,503
2018-03-13 Greenman William Mariner (President and CEO) Sale 10,031 5.05 50,656
2018-03-13 Benjamin Richard J (Chief Medical Officer) Sale 2,648 5.05 13,372
2018-03-13 Corash Laurence M (Chief Scientific Officer) Buy 90,000 5.13 461,520
2018-03-12 Jayaraman Vivek K (Chief Commercial Officer) Option Ex 3,750 .00 0
2018-03-12 Moore Carol (SVP Reg. & Quality) Sale 2,063 4.80 9,904
2018-03-12 Moore Carol (SVP Reg. & Quality) Option Ex 7,500 .00 0
2018-03-12 Menard Chrystal (Chief Legal Officer) Sale 1,960 4.80 9,409
2018-03-12 Menard Chrystal (Chief Legal Officer) Option Ex 7,500 .00 0
2018-03-12 Green Kevin Dennis (Chief Financial Officer) Sale 2,063 4.80 9,906
2018-03-12 Green Kevin Dennis (Chief Financial Officer) Option Ex 7,500 .00 0
2018-03-12 Greenman William Mariner (President and CEO) Sale 7,735 4.80 37,135
2018-03-12 Greenman William Mariner (President and CEO) Option Ex 28,125 .00 0
2018-03-12 Benjamin Richard J (Chief Medical Officer) Sale 1,032 4.80 4,955
2018-03-12 Benjamin Richard J (Chief Medical Officer) Option Ex 7,500 .00 0
2018-03-12 Corash Laurence M (Chief Scientific Officer) Buy 10,000 4.95 49,480
2018-03-12 Corash Laurence M (Chief Scientific Officer) Option Ex 7,500 .00 0
2018-03-10 Moore Carol (SVP Reg. & Quality) Option Ex 6,000 .00 0
2018-03-10 Menard Chrystal (Chief Legal Officer) Option Ex 5,701 .00 0
2018-03-10 Green Kevin Dennis (Chief Financial Officer) Option Ex 6,000 .00 0
2018-03-10 Greenman William Mariner (President and CEO) Option Ex 22,500 .00 0
2018-03-10 Benjamin Richard J (Chief Medical Officer) Option Ex 3,000 .00 0
2018-03-10 Corash Laurence M (Chief Scientific Officer) Option Ex 6,000 .00 0
2017-08-29 Jayaraman Vivek K (Chief Commercial Officer) Option Ex 18,750 .00 0
2017-08-15 Corash Laurence M (Chief Scientific Officer) Option Ex 16,250 2.08 33,800
2017-08-11 Corash Laurence M (Chief Scientific Officer) Buy 46,030 2.46 113,187
2017-08-10 Corash Laurence M (Chief Scientific Officer) Buy 46,766 2.44 114,062
2017-06-06 Witney Frank (Director) Option Ex 10,133 .00 0
2017-06-06 Swisher Daniel N Jr (Director) Option Ex 12,336 .00 0
2017-06-06 Cozadd Bruce C (Director) Option Ex 10,133 .00 0
2017-06-06 Anderson Timothy B (Director) Option Ex 10,133 .00 0
2017-06-06 Schulze Gail (Director) Option Ex 10,133 .00 0
2017-03-15 Green Kevin Dennis (Chief Financial Officer) Sale 2,343 4.21 9,864
2017-03-15 Greenman William Mariner (President and CEO) Sale 8,786 4.21 36,989
2017-03-14 Moore Carol (SVP Reg. & Quality) Sale 2,377 4.15 9,864
2017-03-14 Menard Chrystal (Chief Legal Officer) Sale 2,259 4.15 9,374
2017-03-14 Benjamin Richard J (Chief Medical Officer) Sale 1,189 4.15 4,934
2017-03-10 Moore Carol (SVP Reg. & Quality) Option Ex 6,000 .00 0
2017-03-10 Menard Chrystal (Chief Legal Officer) Option Ex 5,701 .00 0
2017-03-10 Green Kevin Dennis (Chief Financial Officer) Option Ex 6,000 .00 0
2017-03-10 Greenman William Mariner (President and CEO) Option Ex 22,500 .00 0
2017-03-10 Benjamin Richard J (Chief Medical Officer) Option Ex 3,000 .00 0
2017-03-10 Corash Laurence M (Chief Scientific Officer) Option Ex 6,000 .00 0
2016-09-30 Greenman William Mariner (President and CEO) Option Ex 55,000 5.55 305,250
2016-09-22 Corash Laurence M (Chief Scientific Officer) Option Ex 21,000 5.55 116,550
2016-09-15 Corash Laurence M (Chief Scientific Officer) Option Ex 9,000 5.55 49,950
2016-08-22 Green Kevin Dennis (Chief Financial Officer) Sale 17,150 6.80 116,654
2016-08-22 Green Kevin Dennis (Chief Financial Officer) Option Ex 17,150 4.87 83,520
2016-03-11 Menard Chrystal (Chief Legal Officer) Sale 8,541 5.62 48,043
2015-12-10 Hogeboom Caspar Jan (President, Cerus Europe) Option Ex 50,000 4.42 221,150
2015-08-20 Corash Laurence M (Chief Scientific Officer) Buy 19,500 4.95 96,505
2015-08-19 Corash Laurence M (Chief Scientific Officer) Buy 25,900 4.99 129,241
2015-08-18 Corash Laurence M (Chief Scientific Officer) Buy 6,718 4.92 33,072
2015-08-17 Corash Laurence M (Chief Scientific Officer) Buy 27,982 4.81 134,509
2015-08-14 Corash Laurence M (Chief Scientific Officer) Buy 49,900 4.73 235,877
2015-08-13 Corash Laurence M (Chief Scientific Officer) Buy 50,000 4.98 249,050
2015-08-12 Corash Laurence M (Chief Scientific Officer) Buy 25,000 4.82 120,550
2015-06-04 Hogeboom Caspar Jan (President, Cerus Europe) Option Ex 50,000 3.11 155,500
2015-04-24 Cozadd Bruce C (Director) Option Ex 3,333 3.66 12,198
2015-03-05 Corash Laurence M (Chief Med & Scientific Officer) Option Ex 77,709 2.54 197,380
2015-02-05 Corash Laurence M (Chief Med & Scientific Officer) Option Ex 63,541 2.87 182,362
2014-12-18 Anderson Timothy B (Director) Option Ex 15,000 2.48 37,200
2014-12-08 Cozadd Bruce C (Director) Sale 195 4.31 840
2014-12-08 Cozadd Bruce C (Director) Option Ex 3,334 2.95 9,835
2014-11-10 Greenman William Mariner (President and CEO) Buy 21,800 3.93 85,630
2014-10-03 Corash Laurence M (Chief Med & Scientific Officer) Option Ex 162,750 2.11 343,402
2014-08-14 Benjamin Richard J (Chief Medical Officer) Sale 35,416 7.20 255,030
2014-08-14 Cozadd Bruce C (Director) Sale 658 3.59 2,363
2014-08-14 Cozadd Bruce C (Director) Option Ex 3,333 2.14 7,132
2014-08-01 Corash Laurence M (Chief Med & Scientific Officer) Option Ex 50,000 .79 39,500
2014-06-23 Corash Laurence M (Chief Med & Scientific Officer) Option Ex 25,000 2.28 56,999
2014-06-20 Corash Laurence M (Chief Med & Scientific Officer) Option Ex 25,000 2.28 56,999
2014-06-19 Corash Laurence M (Chief Med & Scientific Officer) Option Ex 25,000 2.28 56,999
2014-05-05 Greenman William Mariner (President and CEO) Option Ex 46,500 2.28 106,019
2014-05-05 Corash Laurence M (Chief Med & Scientific Officer) Option Ex 50,000 2.28 113,999
2014-04-02 Cozadd Bruce C (Director) Sale 556 4.92 2,735
2014-04-02 Cozadd Bruce C (Director) Option Ex 3,333 3.25 10,832
2014-03-28 Anderson Timothy B (Director) Option Ex 24,375 1.29 31,565
2014-03-26 Greenman William Mariner (President and CEO) Option Ex 50 3.52 176
2014-03-03 Greenman William Mariner (President and CEO) Option Ex 53,500 2.28 121,979
2013-11-19 Anderson Timothy B (Director) Option Ex 6,667 3.31 22,033
2013-11-12 Corash Laurence M (Chief Med & Scientific Officer) Option Ex 1,000 4.25 4,250
2013-11-11 Cozadd Bruce C (Director) Option Ex 3,334 4.54 15,136
2013-11-08 Corash Laurence M (Chief Med & Scientific Officer) Option Ex 34,000 4.25 144,500
2013-11-04 Cassin Bj (Director) Option Ex 5,000 4.54 22,700
2013-11-01 Anderson Timothy B (Director) Option Ex 2,091 4.54 9,493
2013-08-22 Greenman William Mariner (President and CEO) Option Ex 17,250 4.25 73,312
2012-11-27 Anderson Timothy B (Director) Option Ex 43,125 .81 34,715
2012-11-19 Greenman William Mariner (President and CEO) Buy 3,200 3.02 9,664
2012-11-16 Greenman William Mariner (President and CEO) Buy 13,800 2.85 39,274
2012-11-16 Corash Laurence M (Chief Medical Officer) Buy 2,000 2.85 5,698
2011-11-14 Corash Laurence M (Chief Medical Officer) Buy 16,597 2.80 46,471
2011-11-11 Corash Laurence M (Chief Medical Officer) Buy 33,403 2.83 94,530
2011-05-19 Corash Laurence M (Chief Medical Officer) Buy 12,000 2.96 35,460
2011-05-18 Corash Laurence M (Chief Medical Officer) Buy 3,500 2.92 10,209
2011-05-17 Corash Laurence M (Chief Medical Officer) Buy 5,000 2.95 14,770
2011-05-13 Corash Laurence M (Chief Medical Officer) Buy 20,000 2.87 57,440
2011-05-12 Corash Laurence M (Chief Medical Officer) Buy 20,000 2.94 58,740
2011-05-11 Corash Laurence M (Chief Medical Officer) Buy 20,000 3.01 60,140
2011-05-06 Corash Laurence M (Chief Medical Officer) Buy 15,600 2.72 42,385
2011-05-05 Corash Laurence M (Chief Medical Officer) Buy 11,300 2.71 30,634
2011-05-04 Corash Laurence M (Chief Medical Officer) Buy 20,000 2.73 54,640
2011-05-03 Greenman William Mariner (President and CEO) Buy 10,000 2.83 28,250
2011-05-03 Corash Laurence M (Chief Medical Officer) Buy 20,000 2.80 55,960
2011-05-02 Corash Laurence M (Chief Medical Officer) Buy 20,000 2.90 57,980
2011-03-22 Corash Laurence M (Chief Medical Officer) Buy 1,000 2.70 2,700
2011-03-18 Corash Laurence M (Chief Medical Officer) Buy 100 2.47 247
2011-03-15 Corash Laurence M (Chief Medical Officer) Buy 2,000 2.50 5,000
2011-03-14 Corash Laurence M (Chief Medical Officer) Buy 7,000 2.54 17,780
2011-03-11 Corash Laurence M (Chief Medical Officer) Buy 1,415 2.54 3,587
2011-03-10 Corash Laurence M (Chief Medical Officer) Buy 1,500 2.60 3,900
2011-03-09 Corash Laurence M (Chief Medical Officer) Buy 10,000 2.69 26,850
2011-03-08 Corash Laurence M (Chief Medical Officer) Buy 10,000 2.68 26,830
2008-12-15 Cassin Bj Buy 100,000 .71 71,100
2008-12-15 Glassell Claes (Executive Officer and Director) Buy 50,000 .71 35,750
2008-03-17 Dawson William J (Chief Financial Officer) Option Ex 200,000 2.05 409,998
2007-02-28 Dawson William J (Chief Financial Officer) Buy 20,000 5.41 108,200
2007-02-28 Glassell Claes (Executive Officer and Director) Buy 10,000 5.41 54,120
2006-08-29 Corash Laurence M Sale 8,000 6.10 48,784
2006-08-28 Corash Laurence M Sale 2,000 6.00 12,000
2006-03-13 Corash Laurence M Option Ex 4,400 2.72 11,972
2006-03-08 Corash Laurence M Option Ex 10,000 2.72 27,210
2006-03-06 Corash Laurence M Option Ex 5,000 2.72 13,605
2006-01-20 Cassin Bj (Director) Option Ex 14,700 2.72 39,998

Insider trading activities including stock purchases, stock sales, and option exercises of CERS listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Cerus Corp (symbol CERS, CIK number 1020214) see the Securities and Exchange Commission (SEC) website.




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