Nantahala Capital Management, LLC 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 |
| 2022-02-14 08:19 am Sale |
2021-12-31 | 13G | Merrimack Pharmaceuticals, Inc. MACK |
Nantahala Capital Management, LLC | 569,971 4.300% |
-181,872 (-24.19%) |
Filing |
| 2021-02-12 06:46 am Purchase |
2020-12-31 | 13G | Merrimack Pharmaceuticals, Inc. MACK |
Nantahala Capital Management, LLC | 751,843 5.600% |
4,208 (+0.56%) |
Filing |