| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | AMPH | Common Stock | Options Exercise | $113,300 | +10,000 | +16% | $11.33* | 71,351 | 11 May 2021 | Direct | |
| transaction | AMPH | Common Stock | Sale | $190,597 | -10,000 | -14% | $19.06 | 61,351 | 11 May 2021 | Direct | F1 |
| transaction | AMPH | Common Stock | Sale | $88,742 | -4,592 | -7.5% | $19.33 | 56,759 | 12 May 2021 | Direct | F2 |
| holding | AMPH | Common Stock | 2,459 | 11 May 2021 | See footnote | F3 |
| 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) | Options Exercise | $0 | -10,000 | -51% | $0.000000 | 9,637 | 11 May 2021 | Common Stock | 10,000 | $11.33 | Direct | F4 |
| Id | Content |
|---|---|
| F1 | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $19.05 to $19.165 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 within the ranges set forth in footnotes (1) and (2) to this Form 4. |
| F2 | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $19.31 to $19.373, inclusive. |
| F3 | The reported shares are held of record by the Yakob and Sunmoon Trust dated July 25, 2013 for which the reporting person serves as a trustee. |
| F4 | Shares subject to the option are fully vested and immediately exercisable. |