James B. Murray Jr. 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 |
| 2026-04-07 4:05 pm Purchase | 2025-04-04 | 13G | ACUMEN PHARMACEUTICALS INC ABOS | James B. Murray Jr. | 3,611,360 5.000% | 930,303 (+34.70%) | Filing |
| 2024-01-24 4:22 pm Purchase | 2023-12-31 | 13G | ACUMEN PHARMACEUTICALS INC ABOS | James B. Murray Jr. | 2,681,057 4.600% | 100,000 (+3.87%) | Filing |
| 2022-02-14 4:03 pm Purchase | 2021-07-06 | 13G | ACUMEN PHARMACEUTICALS INC ABOS | James B. Murray Jr. | 2,581,057 6.400% | 2,581,057 (New Position) | Filing |