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Filing Details

Accession Number:: 0001047127-24-000032
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2024-02-21 17:25:48
Reporting Period:: 2024-02-16

Accepted Time:: 2024-02-21 17:25:48
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1047127	Amkor Technology Inc.	AMKR	Semiconductors & Related Devices (3674)	231722724

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1684564	Megan Faust	2045 E Innovation Circle Tempe AZ 85284	Cfo	No	Yes	No	No

Reported Non-Derivative Transactions

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Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership
Common Stock	Acquisiton	2024-02-16	4,176	$0.00	40,598	No	4	M	Direct
Common Stock	Disposition	2024-02-16	1,787	$30.01	38,811	No	4	F	Direct
Common Stock	Acquisiton	2024-02-16	2,700	$9.48	41,511	No	4	M	Direct
Common Stock	Disposition	2024-02-16	2,700	$30.34	38,811	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership
No	4	M	Direct
No	4	F	Direct
No	4	M	Direct
No	4	S	Direct

Reported Derivative Transactions

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Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Restricted Stock Units	Disposition	2024-02-16	4,176	$0.00	4,176	$0.00
Common Stock	Employee Stock Option (Right-to-Buy)	Disposition	2024-02-16	2,700	$0.00	2,700	$9.48

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
12,527			No	4	M	Direct
2,800	2020-02-15	2029-02-15	No	4	M	Direct

Footnotes

The transaction represents shares withheld by Amkor Technology, Inc. (the "Issuer") in connection with the vesting of certain restricted stock units ("RSUs") granted to the Reporting Person on February 16, 2023 (the "Grant Date") pursuant to the Issuer's 2021 Equity Incentive Plan, as amended, and the related award agreement. These shares were withheld to satisfy the Reporting Person's tax withholding obligations. The Issuer will pay these taxes on behalf of the Reporting Person.
The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 23, 2023.
The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $29.87 to $30.61. 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 (3) to this Form 4.
On the Grant Date, the Reporting Person was granted 16,703 RSUs which vest in four equal annual installments beginning on the first anniversary of the Grant Date.
This stock option (the "Option") to acquire 150,000 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.