Form 4 for AMKR AMKOR TECHNOLOGY, INC.
Accepted 2025-10-02 00:00:00 ET · period of report 2025-09-30 · accession 0001628280-25-043755 · 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 | 2025-10-02 | 2025-09-30 | AMKR | Rutten Guillaume Marie Jean | Pres, CEO, Dir | M - OptEx | $0.00 | +8,692 | 366.7K | +2% | $0 |
| D | 2025-10-02 | 2025-09-30 | AMKR | Rutten Guillaume Marie Jean | Pres, CEO, Dir | M - OptEx | $0.00 | -8,692 | 26.1K | -25% | $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 | 2025-09-30 | M | A | 8,692 | $0.00 | 366,699 | D | — | — | |
| 2 | Derivative | Restricted Stock Units | 2025-09-30 | M | D | 8,692 | $0.00 | 26,076 | D | $0.00 · — to — | 8,692 Common Stock | (F1) On February 20, 2025, the Reporting Person was granted 43,459 restricted stock units which vest in five equal quarterly installments on each of June 30, 2025, September 30, 2025, December 31, 2025, March 31, 2026, and June 30, 2026, such that 100% will be vested on June 30, 2026. |