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 |
| 2024-05-20 Disposition | 2024-05-20 8:05 pm | N/A 2028-01-01 | ALPINE IMMUNE SCIENCES INC. | ALPN | PENG STANFORD L See Remarks | 1,454,130 | $0 | 0 (Direct) | View |
| 2024-05-08 Exercise | 2024-05-10 7:26 pm | N/A N/A | ALPINE IMMUNE SCIENCES INC. | ALPN | PENG STANFORD L See Remarks | 7,025 | $13.2 | 919,130 (Direct) | View |
| 2024-05-08 Exercise | 2024-05-10 7:26 pm | N/A N/A | ALPINE IMMUNE SCIENCES INC. | ALPN | PENG STANFORD L See Remarks | 26,912 | $3.23 | 919,130 (Direct) | View |
| 2024-05-08 Exercise | 2024-05-10 7:26 pm | N/A 2031-01-04 | ALPINE IMMUNE SCIENCES INC. | ALPN | PENG STANFORD L See Remarks | 271,792 | $0 | 919,130 (Direct) | View |
| 2024-05-08 Exercise | 2024-05-10 7:26 pm | N/A N/A | ALPINE IMMUNE SCIENCES INC. | ALPN | PENG STANFORD L See Remarks | 3,126 | $6.51 | 919,130 (Direct) | View |
| 2024-05-08 Exercise | 2024-05-10 7:26 pm | N/A N/A | ALPINE IMMUNE SCIENCES INC. | ALPN | PENG STANFORD L See Remarks | 198,759 | $0.65 | 919,130 (Direct) | View |
| 2024-05-08 Exercise | 2024-05-10 7:26 pm | N/A N/A | ALPINE IMMUNE SCIENCES INC. | ALPN | PENG STANFORD L See Remarks | 22,593 | $11.31 | 919,130 (Direct) | View |
| 2024-05-08 Exercise | 2024-05-10 7:26 pm | N/A N/A | ALPINE IMMUNE SCIENCES INC. | ALPN | PENG STANFORD L See Remarks | 13,377 | $6.33 | 919,130 (Direct) | View |
| 2024-01-04 Option Award | 2024-01-05 6:08 pm | N/A 2034-01-03 | ALPINE IMMUNE SCIENCES INC. | ALPN | PENG STANFORD L See Remarks | 168,000 | $0 | 192,371 (Direct) | View |
| 2023-01-04 Option Award | 2023-01-05 7:01 pm | N/A 2033-01-03 | ALPINE IMMUNE SCIENCES INC. | ALPN | PENG STANFORD L See Remarks | 150,000 | $0 | 150,000 (Direct) | View |
| 2022-01-04 Option Award | 2022-01-06 6:04 pm | N/A 2032-01-03 | ALPINE IMMUNE SCIENCES INC. | ALPN | PENG STANFORD L See Remarks | 215,000 | $0 | 215,000 (Direct) | View |
| 2021-01-05 Option Award | 2021-01-06 8:03 pm | N/A 2031-01-04 | ALPINE IMMUNE SCIENCES INC. | ALPN | PENG STANFORD L See Remarks | 150,000 | $0 | 150,000 (Direct) | View |
| 2020-12-31 Tax Withholding | 2021-01-04 8:41 pm | N/A N/A | ALPINE IMMUNE SCIENCES INC. | ALPN | PENG STANFORD L See Remarks | 3,923 | $12.6 | 24,371 (Direct) | View |
| 2020-07-08 Option Award | 2020-07-09 8:18 pm | N/A 2029-04-21 | ALPINE IMMUNE SCIENCES INC. | ALPN | PENG STANFORD L See Remarks | 50,000 | $0 | 50,000 (Direct) | View |
| 2020-06-30 Tax Withholding | 2020-07-01 7:24 pm | N/A N/A | ALPINE IMMUNE SCIENCES INC. | ALPN | PENG STANFORD L See Remarks | 3,923 | $9.71 | 28,294 (Direct) | View |
| 2020-01-23 Option Award | 2020-01-27 6:01 pm | N/A 2030-01-22 | ALPINE IMMUNE SCIENCES INC. | ALPN | PENG STANFORD L President & Head of R&D | 140,217 | $0 | 140,217 (Direct) | View |