| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | AMKR | Common Stock | Award | $0 | +3,080 | +9.7% | $0.000000 | 34,889 | 19 Feb 2025 | Direct | F1 |
| transaction | AMKR | Common Stock | Tax liability | $30,490 | -1,342 | -3.8% | $22.72 | 33,547 | 19 Feb 2025 | Direct | F2 |
| transaction | AMKR | Common Stock | Options Exercise | $0 | +7,422 | +22% | $0.000000 | 40,969 | 20 Feb 2025 | Direct | |
| transaction | AMKR | Common Stock | Tax liability | $73,195 | -3,181 | -7.8% | $23.01 | 37,788 | 20 Feb 2025 | Direct | F3 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | AMKR | Restricted Stock Units | Options Exercise | $0 | -7,422 | -33% | $0.000000 | 14,846 | 20 Feb 2025 | Common Stock | 7,422 | $0.000000 | Direct | F4 |
| transaction | AMKR | Restricted Stock Units | Award | $0 | +26,075 | $0.000000 | 26,075 | 20 Feb 2025 | Common Stock | 26,075 | $0.000000 | Direct | F5 |
| Id | Content |
|---|---|
| F1 | This Form 4 reports the vesting on February 19, 2025 of 3,080 shares of common stock of Amkor Technology, Inc. (the "Issuer") underlying performance-vested restricted stock units ("PSUs") granted to the Reporting Person on February 20, 2024 pursuant to the Issuer's Equity Incentive Plan, as amended, and the related award agreement. The PSUs vested based on the attainment of a basic earnings per share performance goal over a one-year performance period beginning January 1, 2024 and ending on December 31, 2024. |
| F2 | The transaction represents shares of the Issuer's common stock withheld by the Issuer in connection with the vesting of PSUs to satisfy the Reporting Person's tax withholding obligations. The Issuer will pay these taxes on behalf of the Reporting Person. |
| F3 | The transaction represents shares withheld by the Issuer in connection with the vesting of certain restricted stock units ("RSUs") granted to the Reporting Person on February 20, 2024 (the "2024 Grant Date") pursuant to the Issuer's Equity Incentive Plan, as amended, and the related award agreement. These shares were withheld to satisfy the Reporting Person's tax withholding obligations. The Issuer will pay these taxes on behalf of the Reporting Person. |
| F4 | On the 2024 Grant Date, the Reporting Person was granted 22,268 RSUs which vest in three equal annual installments beginning on the first anniversary of the 2024 Grant Date. |
| F5 | Represents shares of the Issuer's common stock underlying time-vested RSUs granted on February 20, 2025 (the "2025 Grant Date") pursuant to the Issuer's Equity Incentive Plan, as amended. The RSUs were awarded for no consideration other than the Reporting Person's service as an officer of the Issuer and will vest in three equal annual installments beginning on the first anniversary of the 2025 Grant Date and annually thereafter, such that 100% will be vested on the third anniversary of the 2025 Grant Date. |