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 |
| 2024-01-25 Sale | 2024-01-29 7:04 pm | ALPINE IMMUNE SCIENCES INC. | ALPN | Rickey James Paul See Remarks | 118,000 | $23.31 | $2,751,022 | 76,764 (Direct) | View |
| 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 |
| 2023-12-27 Sale | 2023-12-29 4:20 pm | ALPINE IMMUNE SCIENCES INC. | ALPN | Thompson Peter A. Director | 1,546,347 | $18.54 | $28,671,734 | 264,315 (Indirect) | View |
| 2023-12-27 Sale | 2023-12-29 4:18 pm | ALPINE IMMUNE SCIENCES INC. | ALPN | ORBIMED ADVISORS LLC OrbiMed Capital GP VI LLC OrbiMed Genesis GP LLC Director | 1,546,347 | $18.54 | $28,671,734 | 264,315 (Indirect) | 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 7:35 pm | ALPINE IMMUNE SCIENCES INC. | ALPN | Rickey James Paul See Remarks | 15,213 | $19.21 | $292,222 | 535 (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 |
| 2023-12-14 Sale | 2023-12-18 9:20 pm | ALPINE IMMUNE SCIENCES INC. | ALPN | Rickey James Paul See Remarks | 58,787 | $19.07 | $1,120,992 | 96,231 (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 |
| 2023-12-04 Sale | 2023-12-06 7:31 pm | ALPINE IMMUNE SCIENCES INC. | ALPN | Rickey James Paul See Remarks | 70,811 | $16.06 | $1,137,230 | 71,810 (Direct) | View |
| 2023-11-30 Sale | 2023-12-01 5:00 pm | ALPINE IMMUNE SCIENCES INC. | ALPN | Rickey James Paul See Remarks | 700 | $16 | $11,200 | 90,311 (Direct) | View |
| 2023-11-09 Purchase | 2023-11-14 5:36 pm | ALPINE IMMUNE SCIENCES INC. | ALPN | Decheng Capital Global Healthcare Fund (Master) LP Decheng Capital Global Healthcare GP LLC 10% Owner | 375,000 | $12.5 | $4,687,500 | 1,735,544 (Direct) | View |
| 2023-11-09 Purchase | 2023-11-14 5:33 pm | ALPINE IMMUNE SCIENCES INC. | ALPN | Cui Xiangmin Director 10% Owner | 375,000 | $12.5 | $4,687,500 | 7,083,288 (Indirect) | View |
| 2023-11-06 Sale | 2023-11-08 5:20 pm | ALPINE IMMUNE SCIENCES INC. | ALPN | Rickey James Paul See Remarks | 18,003 | $16.03 | $288,554 | 91,011 (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 |
Ownership | 2024-04-05 7:11 pm | N/A N/A | ALPINE IMMUNE SCIENCES INC. | ALPN | FUHS ULRICH MARTIN Chief Accounting Officer | 0 | $0 | 125,600 (Direct) | View |
| 2024-01-25 Exercise | 2024-01-29 7:04 pm | N/A 2029-02-05 | ALPINE IMMUNE SCIENCES INC. | ALPN | Rickey James Paul See Remarks | 118,000 | $0 | 76,764 (Direct) | View |
| 2024-01-25 Exercise | 2024-01-29 7:04 pm | N/A N/A | ALPINE IMMUNE SCIENCES INC. | ALPN | Rickey James Paul See Remarks | 74,000 | $6.51 | 76,764 (Direct) | View |
| 2024-01-26 Exercise | 2024-01-29 7:04 pm | N/A N/A | ALPINE IMMUNE SCIENCES INC. | ALPN | Rickey James Paul See Remarks | 44,000 | $11.31 | 76,764 (Direct) | View |
| 2024-01-18 Exercise | 2024-01-22 6:54 pm | 2019-01-18 2024-01-18 | ALPINE IMMUNE SCIENCES INC. | ALPN | Decheng Capital China Life Sciences USD Fund III L.P. Decheng Capital Management III (Cayman) LLC 10% Owner | 1,234,636 | $0 | 6,582,380 (Direct) | View |
| 2024-01-18 Exercise | 2024-01-22 6:54 pm | N/A N/A | ALPINE IMMUNE SCIENCES INC. | ALPN | Decheng Capital China Life Sciences USD Fund III L.P. Decheng Capital Management III (Cayman) LLC 10% Owner | 1,234,636 | $12.74 | 6,582,380 (Direct) | View |
| 2024-01-18 Exercise | 2024-01-22 5:48 pm | 2019-01-18 2024-01-18 | ALPINE IMMUNE SCIENCES INC. | ALPN | Cui Xiangmin Director 10% Owner | 1,234,636 | $0 | 8,317,924 (Indirect) | View |
| 2024-01-18 Exercise | 2024-01-22 5:48 pm | N/A N/A | ALPINE IMMUNE SCIENCES INC. | ALPN | Cui Xiangmin Director 10% Owner | 1,234,636 | $12.74 | 8,317,924 (Indirect) | View |
| 2024-01-11 Exercise | 2024-01-16 4:39 pm | 2019-01-18 2024-01-18 | ALPINE IMMUNE SCIENCES INC. | ALPN | ORBIMED ADVISORS LLC OrbiMed Capital GP VI LLC OrbiMed Genesis GP LLC Director | 145,251 | $0 | 2,680,496 (Indirect) | View |
| 2024-01-11 Exercise | 2024-01-16 4:39 pm | N/A N/A | ALPINE IMMUNE SCIENCES INC. | ALPN | ORBIMED ADVISORS LLC OrbiMed Capital GP VI LLC OrbiMed Genesis GP LLC Director | 145,251 | $12.74 | 2,680,496 (Indirect) | View |
| 2024-01-11 Exercise | 2024-01-16 4:36 pm | 2019-01-18 2024-01-18 | ALPINE IMMUNE SCIENCES INC. | ALPN | Thompson Peter A. Director | 145,251 | $0 | 2,680,496 (Indirect) | View |
| 2024-01-11 Exercise | 2024-01-16 4:36 pm | N/A N/A | ALPINE IMMUNE SCIENCES INC. | ALPN | Thompson Peter A. Director | 145,251 | $12.74 | 2,680,496 (Indirect) | 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 |
| 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 |
| 2024-01-04 Option Award | 2024-01-05 6:07 pm | N/A 2034-01-03 | ALPINE IMMUNE SCIENCES INC. | ALPN | Rickey James Paul See Remarks | 109,200 | $0 | 109,200 (Direct) | View |
| 2024-01-04 Option Award | 2024-01-05 6:06 pm | N/A 2034-01-03 | ALPINE IMMUNE SCIENCES INC. | ALPN | DURAND REMY Chief Business Officer | 109,200 | $0 | 116,104 (Direct) | View |
| 2024-01-02 Option Award | 2024-01-04 7:07 pm | N/A 2034-01-01 | ALPINE IMMUNE SCIENCES INC. | ALPN | CONWAY ROBERT E Director | 17,500 | $0 | 17,500 (Direct) | View |
| 2024-01-02 Option Award | 2024-01-04 7:06 pm | N/A 2034-01-01 | ALPINE IMMUNE SCIENCES INC. | ALPN | Hernday Natasha Director | 17,500 | $0 | 17,500 (Direct) | View |
| 2024-01-02 Option Award | 2024-01-04 7:05 pm | N/A 2034-01-01 | ALPINE IMMUNE SCIENCES INC. | ALPN | Drappa Jorn Director | 17,500 | $0 | 17,500 (Direct) | View |
| 2024-01-02 Option Award | 2024-01-04 7:03 pm | N/A 2034-01-01 | ALPINE IMMUNE SCIENCES INC. | ALPN | Topper James N Director | 17,500 | $0 | 17,500 (Direct) | View |
| 2024-01-02 Option Award | 2024-01-04 7:03 pm | N/A 2034-01-01 | ALPINE IMMUNE SCIENCES INC. | ALPN | Cui Xiangmin Director 10% Owner | 17,500 | $0 | 17,500 (Direct) | View |
| 2024-01-02 Option Award | 2024-01-04 7:02 pm | N/A 2034-01-01 | ALPINE IMMUNE SCIENCES INC. | ALPN | Thompson Peter A. Director | 17,500 | $0 | 17,500 (Direct) | View |
| 2024-01-02 Option Award | 2024-01-04 7:01 pm | N/A 2034-01-01 | ALPINE IMMUNE SCIENCES INC. | ALPN | Peetz Christopher Director | 17,500 | $0 | 17,500 (Direct) | 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 | 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 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 2025-12-15 | ALPINE IMMUNE SCIENCES INC. | ALPN | GOLD MITCHELL Executive Chairman and CEO | 91,884 | $0 | 3,130,889 (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 |
| 2023-12-26 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 7:35 pm | N/A 2027-04-11 | ALPINE IMMUNE SCIENCES INC. | ALPN | Rickey James Paul See Remarks | 15,213 | $0 | 535 (Direct) | View |
| 2023-12-19 Exercise | 2023-12-21 7:35 pm | N/A N/A | ALPINE IMMUNE SCIENCES INC. | ALPN | Rickey James Paul See Remarks | 15,213 | $5.02 | 535 (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 |
| 2023-12-19 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 |
| 2023-12-14 Exercise | 2023-12-18 9:20 pm | N/A 2027-04-11 | ALPINE IMMUNE SCIENCES INC. | ALPN | Rickey James Paul See Remarks | 58,787 | $0 | 96,231 (Direct) | View |
| 2023-12-14 Exercise | 2023-12-18 9:20 pm | N/A N/A | ALPINE IMMUNE SCIENCES INC. | ALPN | Rickey James Paul See Remarks | 58,787 | $5.02 | 96,231 (Direct) | View |
| 2023-12-11 Exercise | 2023-12-13 5:30 pm | 2019-01-18 2024-01-18 | ALPINE IMMUNE SCIENCES INC. | ALPN | Topper James N Director | 145,251 | $0 | 1,629,366 (Direct) | View |
| 2023-12-11 Exercise | 2023-12-13 5:30 pm | N/A N/A | ALPINE IMMUNE SCIENCES INC. | ALPN | Topper James N Director | 145,251 | $12.74 | 1,629,366 (Indirect) | 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 |
| 2023-12-12 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 |
| 2023-12-04 Exercise | 2023-12-06 7:31 pm | N/A 2030-01-22 | ALPINE IMMUNE SCIENCES INC. | ALPN | Rickey James Paul See Remarks | 70,811 | $0 | 71,810 (Direct) | View |
| 2023-12-04 Exercise | 2023-12-06 7:31 pm | N/A N/A | ALPINE IMMUNE SCIENCES INC. | ALPN | Rickey James Paul See Remarks | 70,811 | $3.23 | 71,810 (Direct) | View |
| 2023-11-30 Exercise | 2023-12-01 5:00 pm | N/A 2030-01-22 | ALPINE IMMUNE SCIENCES INC. | ALPN | Rickey James Paul See Remarks | 700 | $0 | 90,311 (Direct) | View |
| 2023-11-30 Exercise | 2023-12-01 5:00 pm | N/A N/A | ALPINE IMMUNE SCIENCES INC. | ALPN | Rickey James Paul See Remarks | 700 | $3.23 | 90,311 (Direct) | View |
| 2023-11-06 Exercise | 2023-11-08 5:20 pm | N/A 2030-01-22 | ALPINE IMMUNE SCIENCES INC. | ALPN | Rickey James Paul See Remarks | 10,989 | $0 | 91,011 (Direct) | View |
| 2023-11-06 Exercise | 2023-11-08 5:20 pm | N/A N/A | ALPINE IMMUNE SCIENCES INC. | ALPN | Rickey James Paul See Remarks | 10,989 | $3.23 | 91,011 (Direct) | View |
| 2023-10-02 Option Award | 2023-10-04 5:14 pm | N/A 2033-10-01 | ALPINE IMMUNE SCIENCES INC. | ALPN | Dummer Wolfgang Chief Medical Officer | 200,000 | $0 | 200,000 (Direct) | View |
Ownership | 2023-04-27 3:58 pm | N/A N/A | ALPINE IMMUNE SCIENCES INC. | ALPN | DURAND REMY Chief Business Officer | 0 | $0 | 423,404 (Direct) | View |
| 2023-01-05 Option Award | 2023-01-05 7:32 pm | N/A 2033-01-04 | ALPINE IMMUNE SCIENCES INC. | ALPN | Sandler Andrew Seth Chief Medical Officer | 50,000 | $0 | 50,000 (Direct) | View |
| 2023-01-03 Option Award | 2023-01-05 7:07 pm | N/A 2033-01-02 | ALPINE IMMUNE SCIENCES INC. | ALPN | Thompson Peter A. Director | 10,000 | $0 | 10,000 (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 |
| 2023-01-04 Option Award | 2023-01-05 7:01 pm | N/A 2033-01-03 | ALPINE IMMUNE SCIENCES INC. | ALPN | Rickey James Paul See Remarks | 109,000 | $0 | 109,000 (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 |
| 2023-01-03 Option Award | 2023-01-05 7:00 pm | N/A 2033-01-02 | ALPINE IMMUNE SCIENCES INC. | ALPN | Topper James N Director | 10,000 | $0 | 10,000 (Direct) | View |