James J. Kim - Member of 10% owner group (5), 10%+ Owner at AMKOR TECHNOLOGY, INC.

Issuer-level insider activity

Role: Member of 10% owner group (5), 10%+ Owner
Issuer ticker: AMKR on Nasdaq
Entity type: Individual
Source filing history: Open source filing history

No buys or sells have been reported by James J. Kim since 09 Aug 2025

Reported holdings for James J. Kim in AMKOR TECHNOLOGY, INC.

Form 4 holding Member of 10% owner group (5), 10%+ Owner

AMKOR TECHNOLOGY, INC.

Security class: Common Stock
Shares / value: 7,828,682
Estimated value: $675,067,248
Report date: 20 Jul 2026
Price: $86.23
Ownership: By John T. Kim Family Trust U/A dtd. 12/11/12

Form 4 holding Member of 10% owner group (5), 10%+ Owner

AMKOR TECHNOLOGY, INC.

Security class: Common Stock
Shares / value: 1,957,350
Estimated value: $168,782,290
Report date: 20 Jul 2026
Price: $86.23
Ownership: By John T. Kim G-S Trust dtd. 12/11/12

Form 4 holding Member of 10% owner group (5), 10%+ Owner

AMKOR TECHNOLOGY, INC.

Security class: Common Stock
Shares / value: 725,000
Estimated value: $62,516,750
Report date: 20 Jul 2026
Price: $86.23
Ownership: Susan Y. Kim 2023 Family Distribution Trust

Form 4 holding Member of 10% owner group (5), 10%+ Owner

AMKOR TECHNOLOGY, INC.

Security class: Common Stock
Shares / value: 511,645
Estimated value: $44,119,148
Report date: 20 Jul 2026
Price: $86.23
Ownership: Direct

Form 4 holding Member of 10% owner group (5), 10%+ Owner

AMKOR TECHNOLOGY, INC.

Security class: Common Stock
Shares / value: 164,678
Estimated value: $14,200,183
Report date: 20 Jul 2026
Price: $86.23
Ownership: By self as Trustee of Trust U/A dtd. 12/11/12

Form 4 holding Member of 10% owner group (5), 10%+ Owner

AMKOR TECHNOLOGY, INC.

Security class: Employee Stock Option (Right-to-Buy)
Shares / value: 0
Estimated value
Report date: 20 Jul 2026
Price
Ownership: Direct
Underlying class: Common Stock
Underlying amount

Transaction history for James J. Kim in AMKOR TECHNOLOGY, INC.

Sym	Class	Transaction	%	SEC-reported value	SEC-reported price	Shares	Shares after	Date	Ownership

^* marks a reported price that did not pass the local price check.

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