22NW Fund, LP 13D and 13G filings for Merrimack 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 |
| 2024-02-14 4:20 pm Sale | 2023-12-31 | 13G | Merrimack Pharmaceuticals, Inc. MACK | 22NW Fund, LP | 0 0.000% | -1,015,048 (Position Closed) | Filing |
| 2023-02-13 4:20 pm Purchase | 2022-12-31 | 13G | Merrimack Pharmaceuticals, Inc. MACK | 22NW Fund, LP | 1,015,048 7.600% | 1,015,048 (New Position) | Filing |