Real time Form 13D and 13G transaction reports:
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
- Shares have beem 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>>
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 2024-11-14 4:45 pm Sale | 2024-09-30 | 13G | Alpine Immune Sciences, Inc. ALPN | GREAT POINT PARTNERS LLC | 0 0.000% | -3,703,433 (Position Closed) | Filing History |
| 2024-05-21 4:49 pm Sale | 2024-05-18 | 13D | Alpine Immune Sciences, Inc. ALPN | Decheng Capital China Life Sciences USD Fund III L.P. | 0 0.000% | -8,368,166 (Position Closed) | Filing History |
| 2024-05-21 10:21 am Sale | 2024-05-20 | 13D | Alpine Immune Sciences, Inc. ALPN | Frazier Life Sciences VIII L.P. | 0 0.000% | -6,090,980 (Position Closed) | Filing History |
| 2024-04-30 4:20 pm Purchase | 2024-04-10 | 13D | Alpine Immune Sciences, Inc. ALPN | Decheng Capital China Life Sciences USD Fund III L.P. | 8,368,166 12.800% | 7,292 (+0.09%) | Filing History |
| 2024-04-29 6:08 pm Purchase | 2024-04-25 | 13D | Alpine Immune Sciences, Inc. ALPN | Frazier Life Sciences VIII L.P. | 6,090,980 9.300% | 8,079 (+0.13%) | Filing History |
| 2024-03-07 12:29 pm Sale | 2024-02-29 | 13G | Alpine Immune Sciences, Inc. ALPN | BlackRock Inc. BLK | 3,026,330 4.600% | -32,168 (-1.05%) | Filing History |
| 2024-02-14 5:01 pm Purchase | 2023-12-31 | 13G | Alpine Immune Sciences, Inc. ALPN | RA CAPITAL MANAGEMENT L.P. | 5,903,234 9.990% | 1,505,866 (+34.24%) | Filing History |
| 2024-02-14 4:43 pm Sale | 2023-12-31 | 13G | Alpine Immune Sciences, Inc. ALPN | Omega Fund VI L.P. | 0 0.000% | -2,415,050 (Position Closed) | Filing History |
| 2024-02-14 4:36 pm Purchase | 2023-12-31 | 13G | Alpine Immune Sciences, Inc. ALPN | GREAT POINT PARTNERS LLC | 3,703,433 6.370% | 65,715 (+1.81%) | Filing History |
| 2024-02-14 4:08 pm Purchase | 2023-12-31 | 13G | Alpine Immune Sciences, Inc. ALPN | Paradigm Biocapital Advisors LP | 3,176,743 5.500% | 859,109 (+37.07%) | Filing History |
| 2024-02-14 3:07 pm Sale | 2023-12-31 | 13G | Alpine Immune Sciences, Inc. ALPN | Cormorant Asset Management LP | 2,550,000 4.390% | -300,000 (-10.53%) | Filing History |
| 2024-02-14 09:22 am Purchase | 2023-12-31 | 13G | Alpine Immune Sciences, Inc. ALPN | Lynx1 Capital Management LP | 3,813,926 6.600% | 687,753 (+22.00%) | Filing History |
| 2024-02-02 3:57 pm Purchase | 2023-12-31 | 13G | Alpine Immune Sciences, Inc. ALPN | BlackRock Inc. BLK | 3,058,498 5.300% | 3,058,498 (New Position) | Filing History |
| 2023-12-29 4:16 pm Sale | 2023-12-28 | 13D | Alpine Immune Sciences, Inc. ALPN | ORBIMED ADVISORS LLC | 2,680,496 4.600% | -1,546,347 (-36.58%) | Filing History |
| 2023-11-22 10:25 am Purchase | 2023-11-20 | 13D | Alpine Immune Sciences, Inc. ALPN | Frazier Life Sciences VIII L.P. | 6,082,901 9.800% | 2,918,793 (+92.25%) | Filing History |
| 2023-11-14 4:16 pm Purchase | 2023-11-09 | 13D | Alpine Immune Sciences, Inc. ALPN | Decheng Capital China Life Sciences USD Fund III L.P. | 8,360,874 14.100% | 386,667 (+4.85%) | Filing History |
| 2023-11-13 9:15 pm Purchase | 2023-11-09 | 13D | Alpine Immune Sciences, Inc. ALPN | Alpine ImmunoSciences L.P. | 4,266,215 7.200% | 360,625 (+9.23%) | Filing History |
| 2023-11-13 08:51 am Purchase | 2023-11-09 | 13D | Alpine Immune Sciences, Inc. ALPN | ORBIMED ADVISORS LLC | 4,226,843 7.300% | 145,251 (+3.56%) | Filing History |
| 2023-10-23 4:02 pm Purchase | 2023-10-11 | 13G | Alpine Immune Sciences, Inc. ALPN | Cormorant Asset Management LP | 2,850,000 5.790% | 2,850,000 (New Position) | Filing History |
| 2023-02-14 4:58 pm Purchase | 2022-12-31 | 13G | Alpine Immune Sciences, Inc. ALPN | Paradigm Biocapital Advisors LP | 2,317,634 5.050% | 102,912 (+4.65%) | Filing History |