Form 4 for AMKR AMKOR TECHNOLOGY, INC.

Accepted 2021-12-01 00:00:00 ET · period of report 2021-11-29 · accession 0001209191-21-067313 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X	Filed	Traded	Ticker	Insider	Title	Type	Price	Qty	Owned	ΔOwn	Value
D	2021-12-01	2021-11-29	AMKR	CHURCHILL WINSTON J	Dir	M - OptEx	$7.31	+20.0K	34.4K	+139%	+$146.2K
D	2021-12-01	2021-11-29	AMKR	CHURCHILL WINSTON J	Dir	S - Sale+OE	$22.42	-20.0K	14.4K	-58%	-$448.4K
D	2021-12-01	2021-11-29	AMKR	CHURCHILL WINSTON J	Dir	M - OptEx	$0.00	-20.0K	0	-100%	$0

Purchase Sale Sale after option exercise All abbreviations

#	Table	Security	Date	Code	A/D	Shares	Price	Owned after	Own	Exercise / expiry	Underlying	Footnotes
1	Common	Common Stock	2021-11-29	M	A	20,000	$7.31	34,394	D	—	—
2	Common	Common Stock	2021-11-29	S	D	20,000	$22.42	14,394	D	—	—	(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.
3	Derivative	Director Stock Option (Right-to-Buy)	2021-11-29	M	D	20,000	$0.00	0	D	$7.31 · 2020-05-15 to 2029-05-15	20,000 Common Stock	(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.