| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | AMPH | Common Stock | Sale | $272,248 | -7,900 | -7.4% | $34.46 | 98,142 | 15 Mar 2022 | Direct | F1, F2 |
| transaction | AMPH | Common Stock | Award | $0 | +21,991 | +22% | $0.000000 | 120,133 | 15 Mar 2022 | Direct | F3 |
| transaction | AMPH | Common Stock | Tax liability | $208,058 | -5,989 | -5% | $34.74 | 114,144 | 15 Mar 2022 | Direct | 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 | +50,743 | $0.000000 | 50,743 | 15 Mar 2022 | Common Stock | 50,743 | $34.74 | Direct | F5 |
| Id | Content |
|---|---|
| F1 | The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 7, 2021. |
| F2 | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $33.87 to $34.84, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. |
| F3 | The reported shares are represented by restricted stock units, or RSUs, which vest in four equal annual installments beginning on March 15, 2023. |
| F4 | The reported shares were withheld to satisfy the reporting person's tax liability in connection with the vesting of RSUs. |
| F5 | The shares subject to the option vest in four equal annual installments beginning on March 15, 2023. |