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Filing Details

Accession Number:: 0001209191-23-012948
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2023-02-24 19:45:02
Reporting Period:: 2023-02-22

Accepted Time:: 2023-02-24 19:45:02
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
1965254	Kevin Engel	2045 East Innovation Circle Tempe AZ 85284	Executive Vice President	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	2023-02-22	17,843	$0.00	18,825	No	4	A	Direct
Common Stock	Disposition	2023-02-22	7,804	$25.46	11,021	No	4	F	Direct
Common Stock	Acquisiton	2023-02-23	6,250	$9.48	17,271	No	4	M	Direct
Common Stock	Disposition	2023-02-23	14,250	$25.26	3,021	No	4	S	Direct
Common Stock	Acquisiton	2023-02-24	941	$0.00	3,962	No	4	M	Direct
Common Stock	Disposition	2023-02-24	392	$25.27	3,570	No	4	F	Direct

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

Reported Derivative Transactions

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Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Employee Stock Option (Right-to-Buy)	Disposition	2023-02-23	6,250	$0.00	6,250	$9.48
Common Stock	Restricted Stock Units	Disposition	2023-02-24	941	$0.00	941	$0.00

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
0	2020-02-15	2019-02-15	No	4	M	Direct
2,820			No	4	M	Direct

Footnotes

This Form 4 reports the vesting on February 22, 2023 of 17,843 shares of common stock of Amkor Technology, Inc. (the "Issuer") underlying performance-vested restricted stock units ("PSUs") granted to the Reporting Person on February 11, 2021 pursuant to the Issuer's Second Amended and Restated 2007 Equity Incentive Plan, as amended, and the related award agreement. The PSUs vested based on the attainment of a basic cumulative earnings per share performance goal over a two-year performance period beginning January 1, 2021 and ending on December 31, 2022.
The transaction represents shares of the Issuer's common stock withheld by the Issuer in connection with the vesting of PSUs to satisfy the Reporting Person's tax withholding obligations. The Issuer will pay these taxes on behalf of the Reporting Person.
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $25.25 to $25.30. The Reporting Person hereby undertakes to provide, upon request, to the staff of the Securities and Exchange Commission, 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 February 24, 2022 (the "RSU Grant Date"), the Reporting Person was granted 3,761 time-vested restricted stock units ("RSUs") pursuant to the Issuer's 2021 Equity Incentive Plan, as amended, and the applicable award agreement. The RSUs convert into shares of the Issuer's common stock on a one-to-one basis and vest in four equal annual installments beginning on the first anniversary of the RSU Grant Date.
The transaction represents shares withheld by the Issuer in connection with the vesting of certain RSUs granted to the Reporting Person on the RSU Grant Date. 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.
This stock option (the "Option") to acquire 100,000 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 became vested on the fourth anniversary of the Option Grant Date.