InsiderTrades

Form 4 for AMKR AMKOR TECHNOLOGY, INC.

Accepted 2026-07-02 16:35:30 ET · period of report 2026-06-30 · accession 0001628280-26-046953 · 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 2026-07-02 16:35 2026-06-30 AMKR Rutten Guillaume Marie Jean Dir M - OptEx $0.00 +8,692 511.7K +2% $0
D 2026-07-02 16:35 2026-06-30 AMKR Rutten Guillaume Marie Jean Dir M - OptEx $0.00 -8,692 0 -100% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-06-30 M A 8,692 $0.00 511,732 D — —
2 Derivative Restricted Stock Units 2026-06-30 M D 8,692 $0.00 0 D $0.00 · — to — 8,692 Common Stock (F1) On February 20, 2025, the Reporting Person was granted 43,459 time-vested restricted stock units ("RSUs") which vested 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% was vested on June 30, 2026. (F1) On February 20, 2025, the Reporting Person was granted 43,459 time-vested restricted stock units ("RSUs") which vested 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% was vested on June 30, 2026.