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>>

Stock options: Exercise, Award, Grant, Conversion
Transaction Date |
Reported DateTime |
Exercisable Expiration |
Company | Symnbol | Insider Relationship |
Shares Traded |
Conversion Price |
Shares Owned |
Filing |
2022-01-28 Option Award |
2022-01-28 6:34 pm |
2022-01-28 2030-08-12 |
Sierra Oncology Inc. | SRRA | Kowalski Mark Chief, Research & Early Dev |
12,250 | $0 | 12,250 (Direct) |
View |
2021-03-15 Option Award |
2021-03-17 9:16 pm |
N/A 2031-03-15 |
Sierra Oncology Inc. | SRRA | Kowalski Mark Chief Medical Officer |
30,000 | $0 | 30,000 (Direct) |
View |
2020-08-12 Option Award |
2020-08-12 9:36 pm |
N/A 2030-08-12 |
Sierra Oncology Inc. | SRRA | Kowalski Mark Chief Medical Officer |
24,970 | $0 | 24,970 (Direct) |
View |