| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | IMGN | Restricted Stock Unit | Award | $0 | +153,700 | $0 | 153,700 | 03 Feb 2023 | Common Stock | 153,700 | $0 | Direct | F1, F2 | |
| transaction | IMGN | Stock Option (right to buy) | Award | $0 | +922,400 | $0 | 922,400 | 03 Feb 2023 | Common Stock | 922,400 | $4.66 | Direct | F3 |
| Id | Content |
|---|---|
| F1 | Each restricted stock unit ("RSU") represents the contingent right to receive, upon vesting of the RSU, one share of the Issuer's common stock. |
| F2 | The RSUs vest over a three-year period, with 33 1/3% of the RSUs vesting on each of the first three anniversaries of the date of grant, subject to continued service through each vesting date. |
| F3 | These options vest over a four-year period, with 25% of the shares vesting on the one-year anniversary of the date of grant, and thereafter an additional 6.25% of the shares vesting on each succeeding quarterly anniversary of the date of grant. |