| 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 | +112,500 | $0.000000 | 112,500 | 16 Aug 2021 | Common Stock | 112,500 | $11.56 | Direct | F1 | |
| transaction | MRSN | Restricted stock unit | Award | $0 | +25,000 | $0.000000 | 25,000 | 16 Aug 2021 | Common Stock | 25,000 | Direct | F2, F3 |
| Id | Content |
|---|---|
| F1 | The options will vest as to 25% of the shares on the first anniversary of the grant date and in equal quarterly installments over the next three years. |
| F2 | Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock upon vesting. |
| F3 | The restricted stock units will vest in equal annual installments over the first four years after the vesting commencement date, August 16, 2021. |