AMKOR TECHNOLOGY, INC. — Director's Dealing 2021

Jun 29, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AMKOR TECHNOLOGY, INC. (AMKR)
CIK: 0001047127
Period of Report: 2021-06-25

Reporting Person: Stone John Charles (Executive Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-06-25	Common Stock	M	9375	$9.48	Acquired	40927	Direct
2021-06-25	Common Stock	S	9375	$24.00	Disposed	31552	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-06-25	Employee Stock Option (Right-to-Buy)	$9.48	M	9375	Disposed	2029-02-15	Common Stock (9375)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	2000	Indirect

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 February 16, 2021.

F2: This stock option was granted on February 15, 2019 and will vest over four years as follows: 25% on the first anniversary of the grant date and 1/16 of the option will vest each quarter thereafter so that at the end of the fourth year, 100% of the option will be vested.