State Street Corporation 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 |
| 2024-01-22 1:36 pm Sale |
2023-12-31 | 13G | Mersana Therapeutics, Inc. MRSN |
STATE STREET CORP STT |
2,329,434 1.930% |
-3,526,627 (-60.22%) |
Filing |
| 2023-02-03 12:27 pm Purchase |
2022-12-31 | 13G | Mersana Therapeutics, Inc. MRSN |
STATE STREET CORP STT |
5,856,061 5.870% |
1,635,504 (+38.75%) |
Filing |
| 2022-02-11 2:34 pm Purchase |
2021-12-31 | 13G | Mersana Therapeutics, Inc. MRSN |
STATE STREET CORP STT |
4,220,557 5.870% |
4,220,557 (New Position) |
Filing |