Form 4 for AMKR AMKOR TECHNOLOGY, INC.
Accepted 2026-07-22 16:32:29 ET · period of report 2026-07-20 · accession 0001158839-26-000001 · 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 | 2026-07-22 16:32 | 2026-07-20 | AMKR | KIM JAMES J | 10%, Member of 10% owner group (5) | M - OptEx | $9.65 | +450.0K | 511.6K | +730% | +$4.34M |
| DM | 2026-07-22 16:32 | 2026-07-20 | AMKR | KIM JAMES J | 10%, Member of 10% owner group (5) | M - OptEx | $0.00 | -450.0K | 0 | -100% | $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 | 2026-07-20 | M | A | 200,000 | $9.86 | 261,645 | D | — | — | |
| 2 | Common | Common Stock | 2026-07-20 | M | A | 250,000 | $9.48 | 511,645 | D | — | — | |
| 3 | Derivative | Employee Stock Option (Right-to-Buy) | 2026-07-20 | M | D | 200,000 | $0.00 | 0 | D | $9.86 · 2021-02-27 to 2026-10-31 | 200,000 Common Stock | (F3) This stock option (the "2017 Option") to acquire 200,000 shares of the Issuer's Common Stock (the "2017 Option Shares") was granted on February 27, 2017 (the "2017 Option Grant Date") and vested over four years as follows: (i) with respect to 25% of the 2017 Option Shares, on the first anniversary of the 2017 Option Grant Date; and (ii) with respect to the remainder of the 2017 Option Shares, in equal quarterly installments thereafter, such that 100% of the 2017 Option vested on the fourth anniversary of the 2017 Option Grant Date. |
| 4 | Derivative | Employee Stock Option (Right-to-Buy) | 2026-07-20 | M | D | 250,000 | $0.00 | 0 | D | $9.48 · 2023-02-15 to 2026-10-31 | 250,000 Common Stock | (F4) This stock option (the "2019 Option") to acquire 250,000 shares of the Issuer's Common Stock (the "2019 Option Shares") was granted on February 15, 2019 (the "2019 Option Grant Date") and vested over four years as follows: (i) with respect to 25% of the 2019 Option Shares, on the first anniversary of the 2019 Option Grant Date; and (ii) with respect to the remainder of the 2019 Option Shares, in equal quarterly installments thereafter, such that 100% of the 2019 Option vested on the fourth anniversary of the 2019 Option Grant Date. |