Venrock Healthcare Capital Partners III L.P. 13D and 13G filings for Mersana Therapeutics, 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 |
| 2025-02-14 6:15 pm Sale |
2024-12-31 | 13G | Mersana Therapeutics, Inc. MRSN |
Venrock Healthcare Capital Partners III L.P. | 10,257,790 8.300% |
-1,070,210 (-9.45%) |
Filing |
| 2024-02-14 8:56 pm Purchase |
2023-12-31 | 13G | Mersana Therapeutics, Inc. MRSN |
Venrock Healthcare Capital Partners III L.P. | 11,328,000 9.400% |
1,650,000 (+17.05%) |
Filing |
| 2023-08-07 4:15 pm Purchase |
2023-07-28 | 13G | Mersana Therapeutics, Inc. MRSN |
Venrock Healthcare Capital Partners III L.P. | 9,678,000 8.500% |
9,678,000 (New Position) |
Filing |