Robert Randolph Morse - May 24, 2022 Form 4 Insider Report for AMKOR TECHNOLOGY, INC. (AMKR)

Role: Director
Signature: Mark N. Rogers, Attorney-in-Fact for Robert R. Morse
Stock symbol: AMKR
Transactions as of: May 24, 2022
Transactions value $: $93,600
Form type: 4
Date filed: 5/26/2022, 05:31 PM
Previous filing: May 19, 2022
Next filing: Jun 29, 2022

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	AMKR	Common Stock	Options Exercise	$93.6K	+20K	+40.34%	$4.68^*	69.6K	May 24, 2022	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)	Options Exercise	$0	-20K	-100%	$0.00^*	0	May 24, 2022	Common Stock	20K	$4.68	Direct	F2
holding	AMKR	Restricted Stock Units						8.71K	May 24, 2022	Common Stock			Direct	F1

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

Explanation of Responses:

Id	Content
F1	As previously reported in a Form 4 filed by the Reporting Person on May 19, 2022 (the "Original Form 4"), 8,706 shares of Amkor Technology, Inc. (the "Issuer") common stock underlying time-vested restricted stock units (the "RSUs") was granted to the Reporting Person on May 17, 2022. In the Original Form 4, the RSUs were incorrectly reported in Table I. Table II, Column 9 of this Form 4 has been adjusted to include the RSUs and reflects the proper number of RSUs beneficially owned by the Reporting Person as of the filing date of this Form 4.
F2	This stock option (the "Option") to acquire 20,000 shares of the Issuer's common stock (the "Option Shares") was granted on February 6, 2013 (the "Option Grant Date") and vested as follows: (i) with respect to 1/3 of the Option Shares, on the first anniversary of the Option Grant Date; (ii) with respect to 1/3 of the Option Shares, on the second anniversary of the Option Grant Date; and (iii) with respect to the remainder of the Option Shares, on March 5, 2015.

Content

As previously reported in a Form 4 filed by the Reporting Person on May 19, 2022 (the "Original Form 4"), 8,706 shares of Amkor Technology, Inc. (the "Issuer") common stock underlying time-vested restricted stock units (the "RSUs") was granted to the Reporting Person on May 17, 2022. In the Original Form 4, the RSUs were incorrectly reported in Table I. Table II, Column 9 of this Form 4 has been adjusted to include the RSUs and reflects the proper number of RSUs beneficially owned by the Reporting Person as of the filing date of this Form 4.

This stock option (the "Option") to acquire 20,000 shares of the Issuer's common stock (the "Option Shares") was granted on February 6, 2013 (the "Option Grant Date") and vested as follows: (i) with respect to 1/3 of the Option Shares, on the first anniversary of the Option Grant Date; (ii) with respect to 1/3 of the Option Shares, on the second anniversary of the Option Grant Date; and (iii) with respect to the remainder of the Option Shares, on March 5, 2015.