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 |
| 2023-02-14 4:57 pm Purchase | 2022-12-31 | 13G | Alpine Immune Sciences, Inc. ALPN | Great Point Partners, LLC | 3,637,718 7.920% | 189,197 (+5.49%) | Filing History |
| 2023-02-14 4:45 pm Purchase | 2022-12-31 | 13G | Alpine Immune Sciences, Inc. ALPN | RA CAPITAL MANAGEMENT L.P. | 4,397,368 9.600% | 40,736 (+0.94%) | Filing History |
| 2023-02-14 4:05 pm Purchase | 2022-12-31 | 13G | Alpine Immune Sciences, Inc. ALPN | Lynx1 Capital Management LP | 3,126,173 6.800% | 1,588,828 (+103.35%) | Filing History |
| 2023-02-14 3:38 pm Sale | 2022-12-31 | 13G | Alpine Immune Sciences, Inc. ALPN | Avidity Partners Management LP | 1,888,887 4.000% | -316,800 (-14.36%) | Filing History |
| 2023-02-13 5:57 pm Sale | 2022-12-31 | 13G | Alpine Immune Sciences, Inc. ALPN | BIOTECHNOLOGY VALUE FUND L P | 1,353,815 2.900% | -235,680 (-14.83%) | Filing History |
| 2023-02-13 4:46 pm Unchanged | 2022-12-31 | 13G | Alpine Immune Sciences, Inc. ALPN | Omega Fund VI, L.P. | 2,415,050 5.200% | 0 (Unchanged) | Filing History |
| 2022-10-03 5:16 pm Purchase | 2022-09-23 | 13G | Alpine Immune Sciences, Inc. ALPN | Paradigm BioCapital Advisors LP | 2,214,722 5.030% | 2,214,722 (New Position) | Filing History |
| 2022-10-03 4:30 pm Purchase | 2022-09-21 | 13G | Alpine Immune Sciences, Inc. ALPN | RA CAPITAL MANAGEMENT L.P. | 4,356,632 9.910% | 4,356,632 (New Position) | Filing History |
| 2022-09-30 09:37 am Purchase | 2022-09-21 | 13G | Alpine Immune Sciences, Inc. ALPN | Great Point Partners, LLC | 3,448,521 7.850% | 3,448,521 (New Position) | Filing History |
| 2022-09-27 5:02 pm Purchase | 2022-09-23 | 13D | Alpine Immune Sciences, Inc. ALPN | Alpine ImmunoSciences L.P. | 3,905,590 8.600% | 237,292 (+6.47%) | Filing History |
| 2022-09-27 4:29 pm Sale | 2022-09-23 | 13D | Alpine Immune Sciences, Inc. ALPN | ORBIMED ADVISORS LLC | 4,081,592 9.300% | -145,251 (-3.44%) | Filing History |
| 2022-09-27 4:00 pm Purchase | 2022-09-23 | 13D | Alpine Immune Sciences, Inc. ALPN | Decheng Capital China Life Sciences USD Fund III L.P. | 7,974,207 17.600% | 2,010,246 (+33.71%) | Filing History |
| 2022-04-22 4:26 pm Purchase | 2022-04-14 | 13G | Alpine Immune Sciences, Inc. ALPN | Lynx1 Capital Management LP | 1,537,345 5.100% | 1,537,345 (New Position) | Filing History |
| 2022-02-15 2:18 pm Sale | 2022-02-11 | 13D | Alpine Immune Sciences, Inc. ALPN | Frazier Life Sciences VIII, L.P. | 3,164,108 10.800% | -13,734 (-0.43%) | Filing History |
| 2022-02-14 3:21 pm Purchase | 2021-12-31 | 13G | Alpine Immune Sciences, Inc. ALPN | Omega Fund VI, L.P. | 2,415,050 8.200% | 2,415,050 (New Position) | Filing History |
| 2022-02-14 1:15 pm Purchase | 2021-12-31 | 13G | Alpine Immune Sciences, Inc. ALPN | BIOTECHNOLOGY VALUE FUND L P | 1,589,495 5.400% | 451,731 (+39.70%) | Filing History |
| 2022-02-14 11:53 am Purchase | 2021-12-31 | 13G | Alpine Immune Sciences, Inc. ALPN | Decheng Capital Management III (Cayman) LLC | 4,708,288 16.110% | 4,708,288 (New Position) | Filing History |
| 2022-02-11 8:18 pm Purchase | 2021-12-31 | 13G | Alpine Immune Sciences, Inc. ALPN | Avidity Partners Management LP | 2,205,687 7.300% | 735,297 (+50.01%) | Filing History |
| 2021-11-12 5:05 pm Purchase | 2021-11-10 | 13D | Alpine Immune Sciences, Inc. ALPN | ORBIMED ADVISORS LLC | 4,226,843 14.400% | 1,010,637 (+31.42%) | Filing History |
| 2021-09-21 5:04 pm Purchase | 2021-09-17 | 13D | Alpine Immune Sciences, Inc. ALPN | Decheng Capital China Life Sciences USD Fund III L.P. | 5,963,961 19.600% | 1,554,240 (+35.25%) | Filing History |