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 |
| 2024-04-25 Sale | 2024-04-29 4:32 pm | ALPINE IMMUNE SCIENCES INC. | ALPN | Topper James N Director | 19 | $64.57 | $1,227 | 2,829,347 (Indirect) | View |
| 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 |
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 8:14 pm | N/A 2028-04-19 | ALPINE IMMUNE SCIENCES INC. | ALPN | Peetz Christopher Director | 70,000 | $0 | 0 (Direct) | View |
| 2024-05-20 Disposition | 2024-05-20 8:13 pm | N/A 2030-12-09 | ALPINE IMMUNE SCIENCES INC. | ALPN | Hernday Natasha Director | 60,150 | $0 | 0 (Direct) | View |
| 2024-05-20 Disposition | 2024-05-20 8:12 pm | N/A 2032-07-17 | ALPINE IMMUNE SCIENCES INC. | ALPN | Drappa Jorn Director | 47,500 | $0 | 0 (Direct) | View |
| 2024-05-20 Disposition | 2024-05-20 8:11 pm | N/A 2025-07-16 | ALPINE IMMUNE SCIENCES INC. | ALPN | CONWAY ROBERT E Director | 125,955 | $0 | 0 (Direct) | View |
| 2024-05-20 Disposition | 2024-05-20 8:10 pm | N/A 2028-01-01 | ALPINE IMMUNE SCIENCES INC. | ALPN | Topper James N Director | 68,100 | $0 | 0 (Direct) | View |
| 2024-05-18 Equity Swap | 2024-05-20 8:10 pm | N/A N/A | ALPINE IMMUNE SCIENCES INC. | ALPN | Topper James N Director | 2,829,347 | $0 | 0 (Indirect) | View |
| 2024-05-20 Disposition | 2024-05-20 8:09 pm | N/A 2028-01-01 | ALPINE IMMUNE SCIENCES INC. | ALPN | Thompson Peter A. Director | 68,100 | $0 | 0 (Direct) | View |
| 2024-05-18 Equity Swap | 2024-05-20 8:09 pm | N/A N/A | ALPINE IMMUNE SCIENCES INC. | ALPN | Thompson Peter A. Director | 2,680,496 | $0 | 0 (Indirect) | View |
| 2024-05-20 Disposition | 2024-05-20 8:08 pm | N/A 2029-01-17 | ALPINE IMMUNE SCIENCES INC. | ALPN | Cui Xiangmin Decheng Capital China Life Sciences USD Fund III L.P. Decheng Capital Management III (Cayman) LLC Decheng Capital Global Healthcare Fund (Master) LP Decheng Capital Global Healthcare GP LLC Director 10% Owner | 60,450 | $0 | 0 (Direct) | View |
| 2024-05-18 Equity Swap | 2024-05-20 8:08 pm | N/A N/A | ALPINE IMMUNE SCIENCES INC. | ALPN | Cui Xiangmin Decheng Capital China Life Sciences USD Fund III L.P. Decheng Capital Management III (Cayman) LLC Decheng Capital Global Healthcare Fund (Master) LP Decheng Capital Global Healthcare GP LLC Director 10% Owner | 8,317,924 | $0 | 0 (Indirect) | View |
| 2024-05-20 Disposition | 2024-05-20 8:07 pm | N/A 2028-01-01 | ALPINE IMMUNE SCIENCES INC. | ALPN | Rickey James Paul See Remarks | 472,735 | $0 | 0 (Direct) | View |
| 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 |
| 2024-05-20 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 |
| 2024-05-18 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 8:03 pm | N/A 2031-12-05 | ALPINE IMMUNE SCIENCES INC. | ALPN | FUHS ULRICH MARTIN Chief Accounting Officer | 125,600 | $0 | 0 (Direct) | View |
| 2024-05-20 Disposition | 2024-05-20 8:02 pm | N/A 2029-06-12 | ALPINE IMMUNE SCIENCES INC. | ALPN | DURAND REMY Chief Business Officer | 532,604 | $0 | 0 (Direct) | View |
| 2024-05-18 Equity Swap | 2024-05-20 7:47 pm | N/A N/A | ALPINE IMMUNE SCIENCES INC. | ALPN | ORBIMED ADVISORS LLC OrbiMed Capital GP VI LLC OrbiMed Genesis GP LLC Director | 2,680,496 | $0 | 0 (Indirect) | 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 | 198,759 | $0.65 | 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 | 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 N/A | ALPINE IMMUNE SCIENCES INC. | ALPN | PENG STANFORD L See Remarks | 13,377 | $6.33 | 919,130 (Direct) | View |
| 2024-05-08 Exercise | 2024-05-10 7:25 pm | N/A N/A | ALPINE IMMUNE SCIENCES INC. | ALPN | DURAND REMY Chief Business Officer | 12,365 | $4.09 | 233,104 (Direct) | View |
| 2024-05-08 Exercise | 2024-05-10 7:25 pm | N/A 2031-01-04 | ALPINE IMMUNE SCIENCES INC. | ALPN | DURAND REMY Chief Business Officer | 95,288 | $0 | 233,104 (Direct) | View |
| 2024-05-08 Exercise | 2024-05-10 7:25 pm | N/A N/A | ALPINE IMMUNE SCIENCES INC. | ALPN | DURAND REMY Chief Business Officer | 25,000 | $6.51 | 233,104 (Direct) | View |
| 2024-05-08 Exercise | 2024-05-10 7:25 pm | N/A N/A | ALPINE IMMUNE SCIENCES INC. | ALPN | DURAND REMY Chief Business Officer | 10,000 | $4.76 | 233,104 (Direct) | View |
| 2024-05-08 Exercise | 2024-05-10 7:25 pm | N/A N/A | ALPINE IMMUNE SCIENCES INC. | ALPN | DURAND REMY Chief Business Officer | 9,845 | $13.2 | 233,104 (Direct) | View |
| 2024-05-08 Exercise | 2024-05-10 7:25 pm | N/A N/A | ALPINE IMMUNE SCIENCES INC. | ALPN | DURAND REMY Chief Business Officer | 38,078 | $3.23 | 233,104 (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 |
| 2024-05-08 Exercise | 2024-05-10 7:22 pm | N/A 2031-12-05 | ALPINE IMMUNE SCIENCES INC. | ALPN | FUHS ULRICH MARTIN Chief Accounting Officer | 22,820 | $0 | 82,300 (Direct) | View |
| 2024-05-08 Exercise | 2024-05-10 7:22 pm | N/A N/A | ALPINE IMMUNE SCIENCES INC. | ALPN | FUHS ULRICH MARTIN Chief Accounting Officer | 22,820 | $12.07 | 82,300 (Direct) | View |
| 2024-05-07 Exercise | 2024-05-09 9:13 pm | N/A N/A | ALPINE IMMUNE SCIENCES INC. | ALPN | Rickey James Paul See Remarks | 1 | $7.55 | 282,235 (Direct) | View |
| 2024-05-07 Exercise | 2024-05-09 9:13 pm | N/A N/A | ALPINE IMMUNE SCIENCES INC. | ALPN | Rickey James Paul See Remarks | 164 | $11.31 | 282,235 (Direct) | View |
| 2024-05-07 Exercise | 2024-05-09 9:13 pm | N/A N/A | ALPINE IMMUNE SCIENCES INC. | ALPN | Rickey James Paul See Remarks | 398 | $5.02 | 282,235 (Direct) | View |
| 2024-05-07 Exercise | 2024-05-09 9:13 pm | N/A 2033-01-03 | ALPINE IMMUNE SCIENCES INC. | ALPN | Rickey James Paul See Remarks | 26,761 | $0 | 282,235 (Direct) | View |
| 2024-05-07 Exercise | 2024-05-09 9:13 pm | N/A N/A | ALPINE IMMUNE SCIENCES INC. | ALPN | Rickey James Paul See Remarks | 857 | $6.51 | 282,235 (Direct) | View |
| 2024-05-07 Exercise | 2024-05-09 9:13 pm | N/A N/A | ALPINE IMMUNE SCIENCES INC. | ALPN | Rickey James Paul See Remarks | 7,055 | $13.2 | 282,235 (Direct) | View |
| 2024-05-07 Exercise | 2024-05-09 9:13 pm | N/A N/A | ALPINE IMMUNE SCIENCES INC. | ALPN | Rickey James Paul See Remarks | 18,286 | $3.23 | 282,235 (Direct) | View |
| 2024-04-25 Exercise | 2024-04-29 4:32 pm | N/A N/A | ALPINE IMMUNE SCIENCES INC. | ALPN | Topper James N Director | 1,200,000 | $0.001 | 2,829,347 (Indirect) | View |
| 2024-04-25 Exercise | 2024-04-29 4:32 pm | N/A N/A | ALPINE IMMUNE SCIENCES INC. | ALPN | Topper James N Director | 1,200,000 | $0 | 2,829,347 (Indirect) | View |
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 |
| 2024-01-26 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 |
| 2024-01-25 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 |
| 2024-01-18 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 N/A | ALPINE IMMUNE SCIENCES INC. | ALPN | GOLD MITCHELL Executive Chairman and CEO | 1,016 | $0.65 | 2,875,108 (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 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 | 74,441 | $12.74 | 2,875,108 (Indirect) | 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 |
| 2023-12-22 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 |