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 $3,143,245.
The total value of stock sales since 2005 is $4,124,268.
The total value of stock option exercises since 2005 is $4,698,198.
Table 2. Detailed insider stock purchases, sales, and option exercises
of Cerus Corp insiders (CERS)
| Trade Date |
Insider Name |
Trade Type |
Shares |
Price ($) |
Value ($) |
| 2019-04-22 | 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.