Gil C. Tily - May 18, 2021 Form 4 Insider Report for AMKOR TECHNOLOGY, INC. (AMKR)

Role: Director
Signature: Mark N. Rogers, Attorney-in-Fact for Gil C. Tily
Stock symbol: AMKR
Transactions as of: May 18, 2021
Transactions value $: $0
Form type: 4
Date filed: 5/19/2021, 05:25 PM
Next filing: Jul 30, 2021

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	AMKR	Common Stock	Award	$0	+3.09K	+2.19%	$0.00	144K	May 18, 2021	Direct	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	AMKR	Director Stock Option (Right-to-Buy)	Award	$0	+20K		$0.00	20K	May 18, 2021	Common Stock	20K	$19.39	Direct	F2

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

Explanation of Responses:

Id	Content
F1	These are restricted shares which vest 100% on the earlier of the first anniversary of the grant date or the date of the first annual meeting of stockholders following the grant date.
F2	These options vest 100% on the earlier of the first anniversary of the grant date or the date of the first annual meeting of stockholders following the grant date.