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 |