| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MRSN | Stock Option (right to buy) | Award | $0 | +25,050 | $0 | 25,050 | 11 Jun 2021 | Common Stock | 25,050 | $14.9 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | The option vests in full on the earlier of the first anniversary of the date of grant or the date of the 2022 Annual Meeting of Stockholders of Mersana Therapeutics, Inc. |