RA CAPITAL MANAGEMENT L.P. 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 |
| 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 |
| 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 |
| 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 |