| 2024-01-16 | Sale | Mersana Therapeutics, Inc. MRSN | SVP, Chief Manuf. Officer | 3,357 0.0028% | $2.71 | $9,097 | +25.09% | |
| 2023-08-17 | Sale | Mersana Therapeutics, Inc. MRSN | SVP, Chief Manuf. Officer | 1,908 0.0017% | $1.18 | $2,251 | +91.39% | |
| 2023-01-17 | Sale | Mersana Therapeutics, Inc. MRSN | SVP, CMO | 458 0.0004% | $5.74 | $2,629 | -41.65% | |
| 2022-08-16 | Sale | Mersana Therapeutics, Inc. MRSN | Chief Manufacturing Officer | 1,879 0.0019% | $7.10 | $13,341 | -11.2% |