InsiderTrades

Form 4 for AMKR AMKOR TECHNOLOGY, INC.

Accepted 2026-02-18 00:00:00 ET · period of report 2026-02-16 · accession 0001628280-26-009045 · 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 2026-02-18 2026-02-17 AMKR Engel Kevin K. Pres, CEO, Dir S - Sale+OE $46.03 -5,316 786 -87% -$244.7K
D 2026-02-18 2026-02-16 AMKR Engel Kevin K. Pres, CEO, Dir F - Tax $47.48 -559 6,102 -8% -$26.5K
D 2026-02-18 2026-02-16 AMKR Engel Kevin K. Pres, CEO, Dir M - OptEx $0.00 +1,345 6,661 +25% $0
D 2026-02-18 2026-02-16 AMKR Engel Kevin K. Pres, CEO, Dir M - OptEx $0.00 -1,345 1,391 -49% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-02-17 S D 5,316 $46.03 786 D — —
2 Common Common Stock 2026-02-16 F D 559 $47.48 6,102 D — —
3 Common Common Stock 2026-02-16 M A 1,345 $0.00 6,661 D — —
4 Derivative Restricted Stock Units 2026-02-16 M D 1,345 $0.00 1,391 D $0.00 · — to — 1,345 Common Stock (F2) On the Grant Date, the Reporting Person was granted 5,567 RSUs which vest in four equal annual installments beginning on the first anniversary of the Grant Date.