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 |
| 2025-04-01 Purchase |
2025-04-03 6:05 pm |
ALUMIS INC. | ALMS | Colowick Alan Director |
18,404 | $7.0389 | $129,544 | 18,404 (Indirect) |
View |
| 2020-07-01 Sale |
2020-07-02 8:48 pm |
Principia Biopharma Inc. | PRNB | Colowick Alan Director |
7,500 | $60 | $450,000 | 47,724 (Direct) |
View |
| 2020-05-01 Sale |
2020-05-05 8:07 pm |
Principia Biopharma Inc. | PRNB | Colowick Alan Director |
7,500 | $60.01 | $450,057 | 117,108 (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 |
| 2023-05-17 Option Award |
2023-05-19 6:32 pm |
N/A 2033-05-17 |
Personalis Inc. | PSNL | Colowick Alan Director |
40,000 | $0 | 40,000 (Direct) |
View |
| 2023-04-01 Option Award |
2023-04-04 5:03 pm |
N/A N/A |
Harpoon Therapeutics Inc. | HARP | Colowick Alan Director |
16,456 | $0 | 16,456 (Direct) |
View |
| 2022-06-22 Option Award |
2022-06-24 6:43 pm |
N/A 2032-06-21 |
Harpoon Therapeutics Inc. | HARP | Colowick Alan Director |
28,571 | $1.4 | 38,738 (Direct) |
View |
| 2022-06-22 Option Award |
2022-06-24 6:43 pm |
N/A 2032-06-21 |
Harpoon Therapeutics Inc. | HARP | Colowick Alan Director |
10,167 | $0 | 38,738 (Direct) |
View |
| 2022-05-17 Option Award |
2022-05-19 7:11 pm |
N/A 2032-05-17 |
Personalis Inc. | PSNL | Colowick Alan Director |
25,805 | $0 | 28,541 (Direct) |
View |
| 2021-05-14 Option Award |
2021-05-18 4:22 pm |
N/A 2031-05-14 |
Personalis Inc. | PSNL | Colowick Alan Director |
6,965 | $0 | 6,965 (Direct) |
View |
| 2021-05-04 Option Award |
2021-05-07 9:59 pm |
N/A 2031-05-03 |
Harpoon Therapeutics Inc. | HARP | Colowick Alan Director |
10,167 | $0 | 10,167 (Direct) |
View |
| 2021-03-24 Option Award |
2021-03-26 5:22 pm |
N/A 2031-03-23 |
Harpoon Therapeutics Inc. | HARP | Colowick Alan Director |
20,335 | $0 | 20,335 (Direct) |
View |
| 2020-07-01 Exercise |
2020-07-02 8:48 pm |
N/A 2027-06-26 |
Principia Biopharma Inc. | PRNB | Colowick Alan Director |
7,500 | $0 | 47,724 (Direct) |
View |
| 2020-07-01 Exercise |
2020-07-02 8:48 pm |
N/A N/A |
Principia Biopharma Inc. | PRNB | Colowick Alan Director |
7,500 | $4.542 | 47,724 (Direct) |
View |
| 2020-06-04 Option Award |
2020-06-08 8:02 pm |
N/A 2030-06-03 |
Principia Biopharma Inc. | PRNB | Colowick Alan Director |
10,240 | $0 | 10,240 (Direct) |
View |
| 2020-05-15 Option Award |
2020-05-19 6:11 pm |
N/A 2030-05-14 |
Personalis Inc. | PSNL | Colowick Alan Director |
14,000 | $0 | 14,000 (Direct) |
View |
| 2020-05-01 Exercise |
2020-05-05 8:07 pm |
N/A 2027-06-26 |
Principia Biopharma Inc. | PRNB | Colowick Alan Director |
7,500 | $0 | 117,108 (Direct) |
View |
| 2020-05-01 Exercise |
2020-05-05 8:07 pm |
N/A N/A |
Principia Biopharma Inc. | PRNB | Colowick Alan Director |
7,500 | $4.542 | 117,108 (Direct) |
View |