| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | AMPH | Common Stock | Award | $0 | +15.1K | +19.22% | $0.00 | 93.8K | 06 Mar 2023 | Direct | F1, F2 |
| holding | AMPH | Common Stock | 99.7K | 06 Mar 2023 | See footnote | F3 | |||||
| holding | AMPH | Common Stock | 5K | 06 Mar 2023 | See footnote | F4 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | AMPH | Employee Stock Option (right to buy) | Award | $0 | +31.9K | $0.00 | 31.9K | 06 Mar 2023 | Common Stock | 31.9K | $35.13 | Direct | F5 |
| Id | Content |
|---|---|
| F1 | The reported shares are represented by restricted stock units, or RSUs, which vest in four equal annual installments beginning on March 6, 2024. |
| F2 | Includes 981 shares and 146 shares acquired under the Issuer's 2014 Employee Stock Purchase Plan on May 31, 2022 and November 30, 2022, respectively. |
| F3 | The shares are held of record by the Zhou Family Trust for which the reporting person serves as a trustee. |
| F4 | The shares are held of record by the reporting person's spouse. |
| F5 | The shares subject to the option vest in four equal annual installments beginning on March 6, 2024. |