Data spanning the past 90 days through February 19, 2026 reveals that Cerus's three principal insider shareholders consist of President And Ceo William Mariner Greenman (4.12Mn shares), Chief Scientific Officer Laurence M Corash (2.34Mn shares), Chief Operating Officer Vivek K Jayaraman (1.43Mn shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| William Mariner Greenman | President And Ceo | 4,115,845 | 17 Mar, 2025 |
| Laurence M Corash | Chief Scientific Officer | 2,339,740 | 14 Mar, 2024 |
| Vivek K Jayaraman | Chief Operating Officer | 1,431,326 | 17 Mar, 2025 |
| Kevin Dennis Green | Chief Financial Officer | 875,867 | 17 Mar, 2025 |
| Chrystal Jensen | Chief Legal Officer | 728,294 | 26 Nov, 2025 |
| Richard J Benjamin | Chief Medical Officer | 685,775 | 17 Mar, 2025 |
| Carol Moore | Svp Reg. & Quality | 490,623 | 14 Mar, 2024 |
| Frank Witney | 280,059 | 04 Jun, 2025 | |
| Eric Bjerkholt | 222,133 | 04 Jun, 2025 | |
| Timothy B Anderson | 213,993 | 03 Jun, 2021 | |
| Jami K Nachtsheim | 208,362 | 04 Jun, 2025 | |
| Daniel N Jr Swisher | 207,045 | 04 Jun, 2025 | |
| Timothy L. Moore | 205,073 | 04 Jun, 2025 | |
| Ann Lucena | 172,284 | 04 Jun, 2025 | |
| Gail Schulze | 163,420 | 06 Jun, 2024 | |
| Hua Shan | 132,386 | 04 Jun, 2025 | |
| Dean A. Gregory | 86,725 | 25 Aug, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 24 Nov, 2025 | Chrystal Jensen | Common Stock | D | 55,000 | $1.70 | 728,294 | D | S |
| 25 Aug, 2025 | Dean A. Gregory | - | - | 86,725 | D | |||
| 25 Aug, 2025 | Dean A. Gregory | Common Stock | A | 25,000 | $1.25 | 86,725 | D | P |
| 03 Jun, 2025 | Eric Bjerkholt | Common Stock | A | 60,000 | $0.00 | 222,133 | D | A |
| 03 Jun, 2025 | Jami K Nachtsheim | Common Stock | A | 60,000 | $0.00 | 208,362 | D | A |
| 03 Jun, 2025 | Daniel N Jr Swisher | Common Stock | A | 60,000 | $0.00 | 207,045 | D | A |
| 03 Jun, 2025 | Frank Witney | - | - | 280,059 | D | |||
| 03 Jun, 2025 | Frank Witney | Common Stock | A | 60,000 | $0.00 | 280,059 | D | A |
| 03 Jun, 2025 | Timothy L. Moore | Common Stock | A | 60,000 | $0.00 | 205,073 | D | A |
| 03 Jun, 2025 | Ann Lucena | Common Stock | A | 60,000 | $0.00 | 172,284 | D | A |
| 03 Jun, 2025 | Hua Shan | Common Stock | A | 60,000 | $0.00 | 132,386 | D | A |
| 14 Mar, 2025 | Richard J Benjamin | Common Stock | D | 30,075 | $1.45 | 685,775 | D | S |
| 14 Mar, 2025 | William Mariner Greenman | Common Stock | D | 122,827 | $1.45 | 4,115,845 | D | S |
| 14 Mar, 2025 | Kevin Dennis Green | Common Stock | D | 36,740 | $1.45 | 875,867 | D | S |
| 14 Mar, 2025 | Chrystal Jensen | Common Stock | D | 30,075 | $1.45 | 783,294 | D | S |
| 14 Mar, 2025 | Vivek K Jayaraman | Common Stock | D | 46,004 | $1.45 | 1,431,326 | D | S |
| 14 Mar, 2025 | Vivek K Jayaraman | - | - | 1,431,326 | D | |||
| 13 Mar, 2025 | Richard J Benjamin | Common Stock | D | 18,949 | $1.45 | 715,850 | D | S |
| 13 Mar, 2025 | William Mariner Greenman | Common Stock | D | 71,086 | $1.45 | 4,238,672 | D | S |
| 13 Mar, 2025 | William Mariner Greenman | - | - | 4,238,672 | D |