Bain Capital Life Sciences Fund II 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 |
| 2024-11-15 4:45 pm Purchase | 2024-11-13 | 13D | Mersana Therapeutics, Inc. MRSN | Bain Capital Life Sciences Fund II L.P. | 4,968,006 4.000% | 926,273 (+22.92%) | Filing |
| 2022-05-11 5:26 pm Unchanged | 2022-05-09 | 13D | Mersana Therapeutics, Inc. MRSN | Bain Capital Life Sciences Fund II L.P. | 4,041,733 4.200% | 0 (Unchanged) | Filing |
| 2022-04-14 4:56 pm Purchase | 2022-04-13 | 13D | Mersana Therapeutics, Inc. MRSN | Bain Capital Life Sciences Fund II L.P. | 4,041,733 4.800% | 747,310 (+22.68%) | Filing |
| 2022-02-08 5:02 pm Unchanged | 2022-02-07 | 13D | Mersana Therapeutics, Inc. MRSN | Bain Capital Life Sciences Fund II L.P. | 3,294,423 4.400% | 0 (Unchanged) | Filing |
| 2022-01-03 5:10 pm Unchanged | 2021-12-29 | 13D | Mersana Therapeutics, Inc. MRSN | Bain Capital Life Sciences Fund II L.P. | 3,294,423 4.500% | 0 (Unchanged) | Filing |
| 2021-01-12 5:19 pm Purchase | 2021-01-08 | 13D | Mersana Therapeutics, Inc. MRSN | Bain Capital Life Sciences Fund II L.P. | 3,294,423 4.800% | 222,857 (+7.26%) | Filing |
| 2020-04-17 5:26 pm Purchase | 2020-04-07 | 13D | Mersana Therapeutics, Inc. MRSN | Bain Capital Life Sciences Fund II L.P. | 3,071,566 5.200% | 3,071,566 (New Position) | Filing |