AMKOR TECHNOLOGY, INC. — Director's Dealing 2024

Apr 18, 2024

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AMKOR TECHNOLOGY, INC. (AMKR)
CIK: 0001047127
Period of Report: 2024-04-16

Reporting Person: Rutten Guillaume Marie Jean (Director, President and CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2024-04-16	Common Stock	M	15000	$14.17	Acquired	139476	Direct
2024-04-16	Common Stock	S	25000	$31.17	Disposed	114476	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2024-04-16	Employee Stock Option (Right-to-Buy)	$14.17	M	15000	Disposed	2030-07-30	Common Stock (15000)	Direct

Footnotes

F1: The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 8, 2023.

F2: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $30.80 to $31.51. The Reporting Person hereby undertakes to provide, upon request, to the staff of the Securities and Exchange Commission, Amkor Technology, Inc. (the "Issuer"), or any security holder of the Issuer, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (2) to this Form 4.

F3: This stock option to acquire 375,000 shares of the Issuer's common stock was granted on July 30, 2020 and vested in equal quarterly installments over three years, such that 100% of the option vested on the third anniversary of the grant date.