Form 4 for AMKR AMKOR TECHNOLOGY, INC.
Accepted 2025-11-18 00:00:00 ET · period of report 2025-11-14 · accession 0001628280-25-052927 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DM | 2025-11-18 | 2025-11-14 | AMKR | Haghighi Farshad | EVP | F - Tax | $31.68 | -797 | 8,354 | -9% | -$25.2K |
| DM | 2025-11-18 | 2025-11-14 | AMKR | Haghighi Farshad | EVP | M - OptEx | $0.00 | +797 | 8,421 | +10% | $0 |
| DM | 2025-11-18 | 2025-11-14 | AMKR | Haghighi Farshad | EVP | M - OptEx | $0.00 | -797 | 1,814 | -31% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2025-11-14 | F | D | 395 | $31.68 | 8,354 | D | — | — | |
| 2 | Common | Common Stock | 2025-11-14 | M | A | 395 | $0.00 | 8,749 | D | — | — | (F3) The reported transaction involved the withholding of 269 shares of the Issuer's common stock issuable upon the early vesting of an equal number of RSUs to pay taxes associated with the Reporting Person's retirement eligibility status. |
| 3 | Common | Common Stock | 2025-11-14 | F | D | 269 | $31.68 | 8,354 | D | — | — | |
| 4 | Common | Common Stock | 2025-11-14 | F | D | 67 | $31.68 | 8,354 | D | — | — | |
| 5 | Common | Common Stock | 2025-11-14 | M | A | 269 | $0.00 | 8,623 | D | — | — | (F2) The reported transaction involved the withholding of 67 shares of the Issuer's common stock issuable upon the early vesting of an equal number of RSUs to pay taxes associated with the Reporting Person's retirement eligibility status. |
| 6 | Common | Common Stock | 2025-11-14 | M | A | 66 | $0.00 | 8,420 | D | — | — | |
| 7 | Common | Common Stock | 2025-11-14 | F | D | 66 | $31.68 | 8,354 | D | — | — | |
| 8 | Common | Common Stock | 2025-11-14 | M | A | 67 | $0.00 | 8,421 | D | — | — | (F1) The reported transaction involved the withholding of 66 shares of common stock of Amkor Technology, Inc. (the "Issuer") issuable upon the early vesting of an equal number of restricted stock units ("RSUs") to pay taxes associated with the Reporting Person's retirement eligibility status. |
| 9 | Derivative | Restricted Stock Units | 2025-11-14 | M | D | 67 | $0.00 | 3,644 | D | $0.00 · — to — | 67 Common Stock | (F2) The reported transaction involved the withholding of 67 shares of the Issuer's common stock issuable upon the early vesting of an equal number of RSUs to pay taxes associated with the Reporting Person's retirement eligibility status. |
| 10 | Derivative | Restricted Stock Units | 2025-11-14 | M | D | 269 | $0.00 | 14,577 | D | $0.00 · — to — | 269 Common Stock | (F3) The reported transaction involved the withholding of 269 shares of the Issuer's common stock issuable upon the early vesting of an equal number of RSUs to pay taxes associated with the Reporting Person's retirement eligibility status. |
| 11 | Derivative | Restricted Stock Units | 2025-11-14 | M | D | 395 | $0.00 | 32,199 | D | $0.00 · — to — | 395 Common Stock | (F4) The reported transaction involved the withholding of 395 shares of the Issuer's common stock issuable upon the early vesting of an equal number of RSUs to pay taxes associated with the Reporting Person's retirement eligibility status. |
| 12 | Derivative | Restricted Stock Units | 2025-11-14 | M | D | 66 | $0.00 | 1,814 | D | $0.00 · — to — | 66 Common Stock | (F1) The reported transaction involved the withholding of 66 shares of common stock of Amkor Technology, Inc. (the "Issuer") issuable upon the early vesting of an equal number of restricted stock units ("RSUs") to pay taxes associated with the Reporting Person's retirement eligibility status. |