ORBIMED ADVISORS LLC 13D and 13G filings for Alpine Immune Sciences, Inc.:
- 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.
- Shares have been adjusted for stock splits.
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 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 |
| 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 |
| 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 |
| 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 |
| 2020-12-30 4:27 pm Sale | 2020-12-28 | 13D | Alpine Immune Sciences, Inc. ALPN | ORBIMED ADVISORS LLC | 3,216,206 13.400% | -600,000 (-15.72%) | Filing |
| 2020-07-30 6:26 pm Unchanged | 2020-07-28 | 13D | Alpine Immune Sciences, Inc. ALPN | ORBIMED ADVISORS LLC | 3,816,206 16.000% | 0 (Unchanged) | Filing |