Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
Common stock purchase or sale:
| Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
| 2025-03-13 Sale | 2025-03-17 5:00 pm | CERUS CORP | CERS | Greenman William Mariner President and CEO | 193,913 | $1.45 | $281,174 | 4,115,845 (Direct) | View |
| 2025-03-07 Sale | 2025-03-10 7:55 pm | CERUS CORP | CERS | Greenman William Mariner President and CEO | 60,984 | $1.498 | $91,354 | 4,309,758 (Direct) | View |
| 2025-03-04 Sale | 2025-03-05 8:29 pm | CERUS CORP | CERS | Greenman William Mariner President and CEO | 23,023 | $1.5485 | $35,651 | 3,230,000 (Direct) | View |
| 2024-03-13 Sale | 2024-03-14 9:30 pm | CERUS CORP | CERS | Greenman William Mariner President and CEO | 125,926 | $2.0359 | $256,377 | 3,181,281 (Direct) | View |
| 2023-08-11 Sale | 2023-08-11 4:08 pm | CHINOOK THERAPEUTICS INC. | KDNY | Greenman William Mariner Director | 23,643 | $0 | $0 | 0 (Direct) | View |
| 2023-05-30 Sale | 2023-05-31 7:26 pm | CHINOOK THERAPEUTICS INC. | KDNY | Greenman William Mariner Director | 1,155 | $23.3 | $26,912 | 23,643 (Direct) | View |
| 2023-03-13 Sale | 2023-03-14 7:47 pm | CERUS CORP | CERS | Greenman William Mariner President and CEO | 60,480 | $2.8 | $169,344 | 2,723,012 (Direct) | View |
| 2022-03-14 Sale | 2022-03-15 10:00 pm | CERUS CORP | CERS | Greenman William Mariner President and CEO | 165,021 | $5.0396 | $831,634 | 2,204,050 (Direct) | View |
| 2022-02-25 Sale | 2022-03-01 9:18 pm | CERUS CORP | CERS | Greenman William Mariner President and CEO | 308,263 | $5.6998 | $1,757,043 | 2,246,518 (Direct) | View |
| 2021-03-15 Sale | 2021-03-16 7:37 pm | CERUS CORP | CERS | Greenman William Mariner President and CEO | 156,407 | $6.3777 | $997,517 | 1,466,084 (Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2025-03-06 Option Award | 2025-03-10 7:55 pm | N/A N/A | CERUS CORP | CERS | Greenman William Mariner President and CEO | 1,140,742 | $0 | 4,309,758 (Direct) | View |
| 2025-03-03 Exercise | 2025-03-05 8:29 pm | N/A N/A | CERUS CORP | CERS | Greenman William Mariner President and CEO | 57,637 | $0 | 3,230,000 (Direct) | View |
| 2025-02-26 Option Award | 2025-02-28 5:22 pm | N/A N/A | CERUS CORP | CERS | Greenman William Mariner President and CEO | 57,637 | $0 | 57,637 (Direct) | View |
| 2024-03-12 Exercise | 2024-03-14 9:30 pm | N/A N/A | CERUS CORP | CERS | Greenman William Mariner President and CEO | 64,666 | $0 | 3,181,281 (Direct) | View |
| 2024-03-01 Option Award | 2024-03-05 6:18 pm | N/A N/A | CERUS CORP | CERS | Greenman William Mariner President and CEO | 575,000 | $0 | 3,242,541 (Direct) | View |
| 2023-05-26 Exercise | 2023-05-31 7:26 pm | N/A N/A | CHINOOK THERAPEUTICS INC. | KDNY | Greenman William Mariner Director | 3,300 | $0 | 23,643 (Direct) | View |
| 2023-03-12 Exercise | 2023-03-14 7:47 pm | N/A N/A | CERUS CORP | CERS | Greenman William Mariner President and CEO | 172,192 | $0 | 2,723,012 (Direct) | View |
| 2023-03-01 Option Award | 2023-03-03 5:17 pm | N/A N/A | CERUS CORP | CERS | Greenman William Mariner President and CEO | 575,000 | $0 | 2,546,634 (Direct) | View |
| 2022-05-26 Option Award | 2022-05-31 6:16 pm | N/A 2032-05-25 | CHINOOK THERAPEUTICS INC. | KDNY | Greenman William Mariner Director | 16,600 | $0 | 16,600 (Direct) | View |
| 2022-03-12 Exercise | 2022-03-15 10:00 pm | N/A N/A | CERUS CORP | CERS | Greenman William Mariner President and CEO | 320,695 | $0 | 2,204,050 (Direct) | View |
| 2022-03-01 Option Award | 2022-03-01 9:18 pm | N/A 2032-02-28 | CERUS CORP | CERS | Greenman William Mariner President and CEO | 652,500 | $0 | 2,246,518 (Direct) | View |
| 2022-02-25 Exercise | 2022-03-01 9:18 pm | N/A 2022-02-28 | CERUS CORP | CERS | Greenman William Mariner President and CEO | 380,000 | $0 | 2,246,518 (Direct) | View |
| 2022-02-25 Exercise | 2022-03-01 9:18 pm | N/A N/A | CERUS CORP | CERS | Greenman William Mariner President and CEO | 380,000 | $3.75 | 2,246,518 (Direct) | View |
| 2021-10-21 Exercise | 2021-10-22 6:47 pm | N/A N/A | CHINOOK THERAPEUTICS INC. | KDNY | Greenman William Mariner Director | 1,663 | $2.6 | 21,498 (Direct) | View |
| 2021-10-21 Exercise | 2021-10-22 6:47 pm | N/A 2021-10-24 | CHINOOK THERAPEUTICS INC. | KDNY | Greenman William Mariner Director | 1,663 | $0 | 21,498 (Direct) | View |
| 2021-08-03 Exercise | 2021-08-05 5:12 pm | N/A 2021-08-31 | CERUS CORP | CERS | Greenman William Mariner President and CEO | 100,000 | $0 | 1,518,672 (Direct) | View |
| 2021-08-03 Exercise | 2021-08-05 5:12 pm | N/A N/A | CERUS CORP | CERS | Greenman William Mariner President and CEO | 100,000 | $2.08 | 1,518,672 (Direct) | View |
| 2021-06-04 Option Award | 2021-06-07 9:34 pm | N/A 2031-06-03 | CHINOOK THERAPEUTICS INC. | KDNY | Greenman William Mariner Director | 5,948 | $0 | 5,948 (Direct) | View |
| 2021-04-16 Tax Withholding | 2021-04-20 9:15 pm | N/A N/A | CERUS CORP | CERS | Greenman William Mariner President and CEO | 233,859 | $6.35 | 1,418,672 (Direct) | View |
| 2021-04-16 Exercise | 2021-04-20 9:15 pm | N/A N/A | CERUS CORP | CERS | Greenman William Mariner President and CEO | 550,000 | $2.7 | 1,418,672 (Direct) | View |
| 2021-04-16 Exercise | 2021-04-20 9:15 pm | N/A 2021-04-18 | CERUS CORP | CERS | Greenman William Mariner President and CEO | 550,000 | $0 | 1,418,672 (Direct) | View |
| 2021-03-12 Exercise | 2021-03-16 7:37 pm | N/A N/A | CERUS CORP | CERS | Greenman William Mariner President and CEO | 327,696 | $0 | 1,466,084 (Direct) | View |
| 2021-03-01 Option Award | 2021-03-03 8:08 pm | N/A 2031-02-28 | CERUS CORP | CERS | Greenman William Mariner President and CEO | 574,000 | $0 | 574,000 (Direct) | View |
| 2020-10-06 Option Award | 2020-10-07 8:44 pm | N/A 2030-10-05 | ADURO BIOTECH INC. | KDNY | Greenman William Mariner Director | 23,522 | $0 | 23,522 (Direct) | View |
| 2020-08-26 Exercise | 2020-08-26 8:23 pm | N/A 2020-08-31 | CERUS CORP | CERS | Greenman William Mariner President and CEO | 100,000 | $0 | 925,849 (Direct) | View |
| 2020-08-26 Exercise | 2020-08-26 8:23 pm | N/A N/A | CERUS CORP | CERS | Greenman William Mariner President and CEO | 100,000 | $3 | 925,849 (Direct) | View |