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 |
| 2025-05-15 5:48 pm Sale | 2025-03-31 | 13G | Mersana Therapeutics, Inc. MRSN | Venrock Healthcare Capital Partners III L.P. | 142,973 2.900% | -267,339 (-65.16%) | Filing |
| 2025-02-14 6:15 pm Purchase | 2024-12-31 | 13G | Mersana Therapeutics, Inc. MRSN | Venrock Healthcare Capital Partners III L.P. | 410,312 8.300% | 410,312 (New Position) | Filing |