| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | YMAB | Common Stock | Options Exercise | $16K | +8K | +16% | $2.00 | 58K | Jan 18, 2022 | Direct | F1 |
| transaction | YMAB | Common Stock | Sale | -$92.3K | -8K | -13.79% | $11.54 | 50K | Jan 18, 2022 | Direct | F2, F3 |
| transaction | YMAB | Common Stock | Sale | -$4.58K | -400 | -0.03% | $11.46 | 1.32M | Jan 18, 2022 | By GAD Enterprises LLC | F4, F5, F6 |
| transaction | YMAB | Common Stock | Sale | -$756K | -69.4K | -5.25% | $10.89 | 1.25M | Jan 19, 2022 | By GAD Enterprises LLC | F4, F6, F7 |
| holding | YMAB | Common Stock | 60K | Jan 18, 2022 | By Children | F8 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | YMAB | Employee Stock Option (right to buy) | Options Exercise | $0 | -8K | -4.73% | $0.00 | 161K | Jan 18, 2022 | Common Stock | 8K | $2.00 | Direct | F9 |
| Id | Content |
|---|---|
| F1 | Represents shares acquired through the exercise of Employee Stock Options. |
| F2 | Represents shares sold pursuant to a Rule 10b5-1 trading plan adopted on 12/14/2021. |
| F3 | This transaction was executed in multiple trades at prices ranging from $11.26 to $12.00. The price reported reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transaction was effected. |
| F4 | Represents shares sold by lender pursuant to a forced sale of common stock pledged to secure a margin loan pursuant to an agreement with the lender following a margin call on the common stock securing the margin loan. |
| F5 | This transaction was executed in multiple trades at prices ranging from $11.43 to $11.49. The price reported reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transaction was effected. |
| F6 | Reporting Person is sole member of GAD Enterprises, LLC and the sole member and manager of GAD Management, LLC, the manager of GAD Enterprises, LLC, and as such Reporting Person has sole voting and dispositive power with respect to such shares. |
| F7 | This transaction was executed in multiple trades at prices ranging from $10.52 to $11.43. The price reported reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transaction was effected. |
| F8 | Represents shares owned by Reporting Person's children who are deemed to share Reporting Person's household. |
| F9 | The stock option vested and became exercisable as to 25% of the shares subject to the option on June 10, 2016, and thereafter vested as to 1/48th of the shares in equal monthly installments, until such time as the option was 100% vested on June 10, 2019. |
Chairman, President and Head of Business Development & Strategy