Form 4 for AMKR AMKOR TECHNOLOGY, INC.
Accepted 2026-02-24 00:00:00 ET · period of report 2026-02-20 · accession 0001628280-26-011081 · 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 | 2026-02-24 | 2026-02-20 | AMKR | Faust Megan | CFO | F - Tax | $47.94 | -15.0K | 116.8K | -11% | -$717.2K |
| DM | 2026-02-24 | 2026-02-20 | AMKR | Faust Megan | CFO | M - OptEx | $0.00 | +34.9K | 124.0K | +39% | $0 |
| DM | 2026-02-24 | 2026-02-20 | AMKR | Faust Megan | CFO | M - OptEx | $0.00 | -34.9K | 16.8K | -67% | $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 | 2026-02-20 | F | D | 7,759 | $47.94 | 127,175 | D | — | — | |
| 2 | Common | Common Stock | 2026-02-20 | M | A | 18,106 | $0.00 | 134,934 | D | — | — | |
| 3 | Common | Common Stock | 2026-02-20 | F | D | 7,201 | $47.94 | 116,828 | D | — | — | |
| 4 | Common | Common Stock | 2026-02-20 | M | A | 16,805 | $0.00 | 124,029 | D | — | — | |
| 5 | Derivative | Restricted Stock Units | 2026-02-20 | M | D | 18,106 | $0.00 | 36,218 | D | $0.00 · — to — | 18,106 Common Stock | (F4) Represents shares of the Issuer's common stock underlying time-vested restricted stock units granted on the 2025 Grant Date pursuant to the Issuer's Equity Incentive Plan. 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. |
| 6 | Derivative | Restricted Stock Units | 2026-02-20 | M | D | 16,805 | $0.00 | 16,810 | D | $0.00 · — to — | 16,805 Common Stock | (F3) Represents shares of the Issuer's common stock underlying time-vested RSUs on the 2024 Grant Date pursuant to the Issuer's Equity Incentive Plan. 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 2024 Grant Date and annually thereafter, such that 100% will be vested on the third anniversary of the 2024 Grant Date. |