Form 4 for AMKR AMKOR TECHNOLOGY, INC.
Accepted 2026-01-20 00:00:00 ET · period of report 2026-01-16 · accession 0001628280-26-002637 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2026-01-20 | 2026-01-16 | AMKR | ROGERS MARK N | EVP, GC | S - Sale+OE | $49.28 | -5,000 | 23.9K | -17% | -$246.4K |
| D | 2026-01-20 | 2026-01-16 | AMKR | ROGERS MARK N | EVP, GC | M - OptEx | $7.40 | +5,000 | 28.9K | +21% | +$37.0K |
| D | 2026-01-20 | 2026-01-16 | AMKR | ROGERS MARK N | EVP, GC | M - OptEx | $0.00 | -5,000 | 105.0K | -5% | $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 | 2026-01-16 | S | D | 5,000 | $49.28 | 23,862 | D | — | — | |
| 2 | Common | Common Stock | 2026-01-16 | M | A | 5,000 | $7.40 | 28,862 | D | — | — | |
| 3 | Derivative | Employee Stock Option (Right-to-Buy) | 2026-01-16 | M | D | 5,000 | $0.00 | 105,000 | D | $7.40 · 2020-06-10 to 2029-06-10 | 5,000 Common Stock | (F2) This stock option (the "Option") to acquire 200,000 shares of Amkor Technology, Inc. common stock (the "Option Shares") was granted on June 10, 2019 (the "Option Grant Date") and vested over four years as follows: (i) with respect to 25% of the Option Shares, on the first anniversary of the Option Grant Date; and (ii) with respect to the remainder of the Option Shares, in equal quarterly installments thereafter, such that 100% of the Option vested on the fourth anniversary of the Option Grant Date. |