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 |
| 2023-12-28 Sale | 2023-12-29 7:32 pm | ALPINE IMMUNE SCIENCES INC. | ALPN | GOLD MITCHELL Executive Chairman and CEO | 1,016 | $20.04 | $20,362 | 2,875,108 (Indirect Direct) | View |
| 2023-12-22 Sale | 2023-12-27 9:07 pm | ALPINE IMMUNE SCIENCES INC. | ALPN | GOLD MITCHELL Executive Chairman and CEO | 91,884 | $20.25 | $1,860,528 | 3,130,889 (Indirect Direct) | View |
| 2023-12-19 Sale | 2023-12-21 7:34 pm | ALPINE IMMUNE SCIENCES INC. | ALPN | GOLD MITCHELL Executive Chairman and CEO | 2,402 | $20.01 | $48,064 | 2,641,207 (Indirect Direct) | View |
| 2023-12-08 Sale | 2023-12-12 9:02 pm | ALPINE IMMUNE SCIENCES INC. | ALPN | GOLD MITCHELL Executive Chairman and CEO | 118,000 | $17.27 | $2,037,837 | 2,643,609 (Indirect Direct) | View |
| 2021-09-17 Sale | 2021-09-21 5:16 pm | ALPINE IMMUNE SCIENCES INC. | ALPN | GOLD MITCHELL Executive Chairman and CEO 10% Owner | 445,262 | $9.4618 | $4,212,964 | 2,710,367 (Indirect Direct) | View |
| 2021-09-15 Sale | 2021-09-17 6:06 pm | ALPINE IMMUNE SCIENCES INC. | ALPN | GOLD MITCHELL Executive Chairman and CEO 10% Owner | 10,252 | $10 | $102,536 | 3,155,629 (Indirect Direct) | View |
| 2021-06-25 Sale | 2021-06-29 5:13 pm | ALPINE IMMUNE SCIENCES INC. | ALPN | GOLD MITCHELL Executive Chairman and CEO 10% Owner | 12,952 | $10.01 | $129,657 | 3,165,881 (Indirect Direct) | View |
| 2021-05-19 Sale | 2021-05-21 5:16 pm | ALPINE IMMUNE SCIENCES INC. | ALPN | GOLD MITCHELL Executive Chairman and CEO 10% Owner | 52,186 | $15.03 | $784,233 | 3,178,833 (Indirect Direct) | View |
| 2021-05-12 Sale | 2021-05-14 5:17 pm | ALPINE IMMUNE SCIENCES INC. | ALPN | GOLD MITCHELL Executive Chairman and CEO 10% Owner | 20,000 | $11.6 | $232,011 | 3,231,019 (Indirect Direct) | View |
| 2021-04-13 Sale | 2021-04-15 6:09 pm | ALPINE IMMUNE SCIENCES INC. | ALPN | GOLD MITCHELL Executive Chairman and CEO 10% Owner | 20,000 | $10.3 | $205,914 | 3,251,019 (Indirect Direct) | View |
| 2021-03-04 Sale | 2021-03-08 5:01 pm | ALPINE IMMUNE SCIENCES INC. | ALPN | GOLD MITCHELL Executive Chairman and CEO 10% Owner | 20,000 | $13 | $259,983 | 3,271,019 (Indirect Direct) | View |
| 2021-02-01 Sale | 2021-02-03 5:01 pm | ALPINE IMMUNE SCIENCES INC. | ALPN | GOLD MITCHELL Executive Chairman and CEO 10% Owner | 20,000 | $12.3 | $246,046 | 3,291,019 (Indirect 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 |
| 2024-05-18 Equity Swap | 2024-05-20 8:04 pm | N/A N/A | ALPINE IMMUNE SCIENCES INC. | ALPN | GOLD MITCHELL Executive Chairman and CEO | 2,627,157 | $0 | 0 (Indirect) | View |
| 2024-05-20 Disposition | 2024-05-20 8:04 pm | N/A 2028-01-01 | ALPINE IMMUNE SCIENCES INC. | ALPN | GOLD MITCHELL Executive Chairman and CEO | 2,152,867 | $0 | 0 (Direct) | View |
| 2024-05-08 Exercise | 2024-05-10 7:24 pm | N/A N/A | ALPINE IMMUNE SCIENCES INC. | ALPN | GOLD MITCHELL Executive Chairman and CEO | 13,245 | $7.55 | 3,073,157 (Direct) | View |
| 2024-05-08 Exercise | 2024-05-10 7:24 pm | N/A 2033-01-03 | ALPINE IMMUNE SCIENCES INC. | ALPN | GOLD MITCHELL Executive Chairman and CEO | 13,245 | $0 | 3,073,157 (Direct) | View |
| 2024-01-04 Option Award | 2024-01-05 6:08 pm | N/A 2034-01-03 | ALPINE IMMUNE SCIENCES INC. | ALPN | GOLD MITCHELL Executive Chairman and CEO | 336,000 | $0 | 2,963,157 (Direct) | View |
| 2023-12-28 Exercise | 2023-12-29 7:32 pm | N/A N/A | ALPINE IMMUNE SCIENCES INC. | ALPN | GOLD MITCHELL Executive Chairman and CEO | 74,441 | $12.74 | 2,875,108 (Indirect) | View |
| 2023-12-28 Tax Withholding | 2023-12-29 7:32 pm | N/A N/A | ALPINE IMMUNE SCIENCES INC. | ALPN | GOLD MITCHELL Executive Chairman and CEO | 48,264 | $19.65 | 2,875,108 (Indirect) | View |
| 2023-12-28 Exercise | 2023-12-29 7:32 pm | N/A 2027-03-13 | ALPINE IMMUNE SCIENCES INC. | ALPN | GOLD MITCHELL Executive Chairman and CEO | 75,457 | $0 | 2,875,108 (Direct) | View |
| 2023-12-28 Exercise | 2023-12-29 7:32 pm | N/A N/A | ALPINE IMMUNE SCIENCES INC. | ALPN | GOLD MITCHELL Executive Chairman and CEO | 1,016 | $0.65 | 2,875,108 (Direct) | View |
| 2023-12-22 Exercise | 2023-12-27 9:07 pm | N/A N/A | ALPINE IMMUNE SCIENCES INC. | ALPN | GOLD MITCHELL Executive Chairman and CEO | 40,227 | $0.45 | 3,130,889 (Direct) | View |
| 2023-12-22 Exercise | 2023-12-27 9:07 pm | N/A 2025-12-15 | ALPINE IMMUNE SCIENCES INC. | ALPN | GOLD MITCHELL Executive Chairman and CEO | 91,884 | $0 | 3,130,889 (Direct) | View |
| 2023-12-26 Exercise | 2023-12-27 9:07 pm | N/A N/A | ALPINE IMMUNE SCIENCES INC. | ALPN | GOLD MITCHELL Executive Chairman and CEO | 51,657 | $0.65 | 3,130,889 (Direct) | View |
| 2023-12-19 Exercise | 2023-12-21 7:34 pm | N/A N/A | ALPINE IMMUNE SCIENCES INC. | ALPN | GOLD MITCHELL Executive Chairman and CEO | 2,402 | $0.45 | 2,641,207 (Direct) | View |
| 2023-12-19 Exercise | 2023-12-21 7:34 pm | N/A 2025-12-15 | ALPINE IMMUNE SCIENCES INC. | ALPN | GOLD MITCHELL Executive Chairman and CEO | 2,402 | $0 | 2,641,207 (Direct) | View |
| 2023-12-12 Exercise | 2023-12-12 9:02 pm | N/A N/A | ALPINE IMMUNE SCIENCES INC. | ALPN | GOLD MITCHELL Executive Chairman and CEO | 8,613 | $0.45 | 2,643,609 (Direct) | View |
| 2023-12-12 Exercise | 2023-12-12 9:02 pm | N/A 2025-12-15 | ALPINE IMMUNE SCIENCES INC. | ALPN | GOLD MITCHELL Executive Chairman and CEO | 8,613 | $0 | 2,643,609 (Direct) | View |
| 2023-01-04 Option Award | 2023-01-05 7:04 pm | N/A 2033-01-03 | ALPINE IMMUNE SCIENCES INC. | ALPN | GOLD MITCHELL Executive Chairman and CEO | 350,000 | $0 | 350,000 (Direct) | View |
| 2022-01-04 Option Award | 2022-01-06 6:03 pm | N/A 2032-01-03 | ALPINE IMMUNE SCIENCES INC. | ALPN | GOLD MITCHELL Executive Chairman and CEO 10% Owner | 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 | GOLD MITCHELL Executive Chairman and CEO 10% Owner | 255,000 | $0 | 255,000 (Direct) | View |
| 2020-12-31 Tax Withholding | 2021-01-04 8:37 pm | N/A N/A | ALPINE IMMUNE SCIENCES INC. | ALPN | GOLD MITCHELL Executive Chairman and CEO 10% Owner | 11,123 | $12.6 | 3,311,019 (Direct) | View |
| 2020-12-22 Other | 2020-12-22 5:30 pm | N/A N/A | ALPINE IMMUNE SCIENCES INC. | ALPN | GOLD MITCHELL Executive Chairman and CEO 10% Owner | 1,254,329 | $0 | 4,576,471 (Indirect) | View |
| 2020-06-30 Tax Withholding | 2020-07-01 7:24 pm | N/A N/A | ALPINE IMMUNE SCIENCES INC. | ALPN | GOLD MITCHELL Executive Chairman and CEO 10% Owner | 8,227 | $9.71 | 4,055,415 (Direct) | View |
| 2020-01-23 Option Award | 2020-01-27 6:00 pm | N/A 2030-01-22 | ALPINE IMMUNE SCIENCES INC. | ALPN | GOLD MITCHELL Executive Chairman and CEO 10% Owner | 337,569 | $0 | 4,333,642 (Direct) | View |
| 2019-12-11 Gift | 2020-01-27 6:00 pm | N/A N/A | ALPINE IMMUNE SCIENCES INC. | ALPN | GOLD MITCHELL Executive Chairman and CEO 10% Owner | 10,000 | $0 | 4,333,642 (Direct) | View |