2023 - 30 Jul 2025 Form 4 Insider Report for AMKOR TECHNOLOGY, INC. (AMKR)

Role: Member of 10% owner group (2)
Signature: /s/ Brian D. Short, Attorney-in-Fact
Issuer symbol: AMKR
Transactions as of: 30 Jul 2025
Net transactions value: $0
Form type: 4
Filing time: 01 Aug 2025, 16:41:15 UTC
Previous filing: 14 Jun 2024
Next filing: 05 Aug 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
2023 Grantor Retained Annuity Trust of Agnes C. Kim Dated 4/26/2023	Member of 10% owner group (2)	C/O SIANA CARR O'CONNOR & LYNAM, 1500 EAST LANCASTER AVENUE, PAOLI	/s/ Brian D. Short, Attorney-in-Fact	01 Aug 2025	0001977034

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	AMKR	Common Stock	Gift	$0	-1,738,000	-76%	$0.000000	560,001	30 Jul 2025	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	On July 30, 2025 the Reporting Person distributed 1,738,000 shares of the Common Stock of Amkor Technology, Inc. to Agnes C. Kim. Susan Y. Kim is the sole trustee of the Reporting Person.

Remarks:

(2) The Reporting Person states that the filing of this Form 4 shall not be deemed an admission that the Reporting Person is the beneficial owner of the reported securities owned by the other members of the group, for the purpose of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.