Farshad Haghighi - Feb 15, 2023 Form 4 Insider Report for AMKOR TECHNOLOGY, INC. (AMKR)

Role: Executive Vice President
Signature: Mark N. Rogers, Attorney-in-Fact for Farshad Haghighi
Stock symbol: AMKR
Transactions as of: Feb 15, 2023
Transactions value $: -$108,813
Form type: 4
Date filed: 2/17/2023, 04:06 PM
Previous filing: Feb 14, 2023
Next filing: Feb 24, 2023

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	AMKR	Common Stock	Options Exercise	$59.3K	+6.25K	+787.15%	$9.48	7.04K	Feb 15, 2023	Direct
transaction	AMKR	Common Stock	Sale	-$168K	-6.25K	-88.73%	$26.89	794	Feb 15, 2023	Direct	F1, F2

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	Employee Stock Option (Right-to-Buy)	Options Exercise	$0	-6.25K	-100%	$0.00^*	0	Feb 15, 2023	Common Stock	6.25K	$9.48	Direct	F3
transaction	AMKR	Restricted Stock Units	Award	$0	+7.42K		$0.00	7.42K	Feb 16, 2023	Common Stock	7.42K		Direct	F4

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

Explanation of Responses:

Id	Content
F1	The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 1, 2022.
F2	The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $26.64 to $27.10.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 ("the Option") to acquire 100,000 shares of the Issuer's common stock (the "Option Shares") was granted on February 15, 2019 (the "Option Grant Date") and vested over four years as follows: (i) with respect to 25% of the Option Shares, on the first anniversary of the Option Grant Date; and (ii) with respect to the remainder of the Option Shares, in equal quarterly installments thereafter, such that 100% of the Option vested on the fourth anniversary of the Option Grant Date.
F4	Represents shares of the Issuer's common stock underlying time-vested restricted stock units granted on February 16, 2023 (the "RSU Grant Date") pursuant to the Issuer's 2021 Equity Incentive Plan (the "RSUs"). The RSUs were awarded for no consideration other than the Reporting Person's service as an officer of the Issuer and will vest in four equal annual installments beginning on the first anniversary of the RSU Grant Date.