Statement of Changes in Beneficial Ownership (4)

FORM 4 [ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

1. Name and Address of Reporting Person ^* McCourt MaryFrances	2. Issuer Name and Ticker or Trading Symbol AMKOR TECHNOLOGY, INC. [ AMKR ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below)
(Last) (First) (Middle) 2045 EAST INNOVATION CIRCLE	3. Date of Earliest Transaction (MM/DD/YYYY) 2/11/2021
(Street) TEMPE, AZ 85284 (City) (State) (Zip)	4. If Amendment, Date Original Filed (MM/DD/YYYY)	6. Individual or Joint/Group Filing (Check Applicable Line) _X _ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security (Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	3. Trans. Code (Instr. 8)		4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
1.Title of Security (Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	2/11/2021		M		4657	A	$9.45	45155	D
Common Stock	2/11/2021		S		4657	D	$21.66 ⁽¹⁾	40498	D
Common Stock	2/11/2021		M		2000	A	$8.51	42498	D
Common Stock	2/11/2021		S		2000	D	$21.66 ⁽¹⁾	40498	D
Common Stock	2/11/2021		M		20000	A	$7.31	60498	D
Common Stock	2/11/2021		S		20000	D	$21.66 ⁽¹⁾	40498	D

*Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)*
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	4. Trans. Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)			11. Nature of Indirect Beneficial Ownership (Instr. 4)
Director Stock Option (Right to Buy)	$9.45	2/11/2021		M			4657	2/6/2019 ⁽²⁾	2/6/2028	Common Stock	4657	$0.00	0	D
Director Stock Option (Right-to-Buy)	$8.51	2/11/2021		M			2000	5/1/2019 ⁽³⁾	5/1/2028	Common Stock	2000	$0.00	0	D
Director Stock Option (Right-to-Buy)	$7.31	2/11/2021		M			20000	5/15/2020 ⁽⁴⁾	5/15/2029	Common Stock	20000	$0.00	0	D

Explanation of Responses:
(1)	The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from 21.64 to 21.71.
(2)	This stock option was granted on February 6, 2018 and vests as follows: the 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.
(3)	This stock option was granted on May 1, 2018 and vests as follows: the 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.
(4)	This stock option was granted on May 15, 2019 and vests as follows: the 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.

Reporting Owners
Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
McCourt MaryFrances 2045 EAST INNOVATION CIRCLE TEMPE, AZ 85284	X