RA Capital Management, L.P. 13D and 13G filings for Acumen Pharmaceuticals, 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 |
| 2025-03-31 4:57 pm Purchase | 2025-03-27 | 13D | Acumen Pharmaceuticals, Inc. ABOS | RA Capital Management, L.P. | 15,016,063 24.800% | 34,445 (+0.23%) | Filing |
| 2023-07-25 4:31 pm Purchase | 2023-07-21 | 13D | Acumen Pharmaceuticals, Inc. ABOS | RA Capital Management, L.P. | 14,981,618 25.900% | 5,207,067 (+53.27%) | Filing |
| 2021-09-13 4:30 pm Purchase | 2021-09-10 | 13D | Acumen Pharmaceuticals, Inc. ABOS | RA Capital Management, L.P. | 9,774,551 24.200% | 3,778 (+0.04%) | Filing |
| 2021-07-16 4:30 pm Purchase | 2021-07-06 | 13D | Acumen Pharmaceuticals, Inc. ABOS | RA Capital Management, L.P. | 9,770,773 25.300% | 9,770,773 (New Position) | Filing |