Winston J. Churchill - Nov 29, 2021 Form 4 Insider Report for AMKOR TECHNOLOGY, INC. (AMKR)

Role: Director
Signature: Mark N. Rogers, Attorney-in-Fact for Winston J. Churchill
Stock symbol: AMKR
Transactions as of: Nov 29, 2021
Transactions value $: -$302,200
Form type: 4
Date filed: 12/1/2021, 04:22 PM
Previous filing: Aug 31, 2021
Next filing: Jan 4, 2022

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	AMKR	Common Stock	Options Exercise	$146K	+20K	+138.95%	$7.31	34.4K	Nov 29, 2021	Direct
transaction	AMKR	Common Stock	Sale	-$448K	-20K	-58.15%	$22.42	14.4K	Nov 29, 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)	Options Exercise	$0	-20K	-100%	$0.00^*	0	Nov 29, 2021	Common Stock	20K	$7.31	Direct	F2

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

Explanation of Responses:

Id	Content
F1	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $22.40 to $22.47. 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 (1) to 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 May 15, 2019 (the "Grant Date") and vested with respect to 100% of the Option Shares on the earlier of the the first anniversary of the Grant Date or the date of the first annual meeting of the Company immediately following the Grant Date.

Content

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $22.40 to $22.47. 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 (1) to 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 May 15, 2019 (the "Grant Date") and vested with respect to 100% of the Option Shares on the earlier of the the first anniversary of the Grant Date or the date of the first annual meeting of the Company immediately following the Grant Date.