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Filing Details

Accession Number:: 0001209191-23-012916
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2023-02-24 19:11:37
Reporting Period:: 2023-02-22

Accepted Time:: 2023-02-24 19:11:37
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
1158922	Y Susan Kim	C/O Siana Carr O'Connor &Amp; Lynam 1500 East Lancaster Avenue Paoli PA 19301-9713		Yes	No	Yes	Yes

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	Explanation
Common Stock	Disposition	2023-02-22	384,000	$25.28	8,797,498	No	4	S	Indirect	By trusts (excl. GRATs)
Common Stock	Disposition	2023-02-22	384,000	$25.28	8,413,498	No	4	S	Indirect	By trusts (excl. GRATs)
Common Stock	Disposition	2023-02-22	384,000	$25.28	8,029,498	No	4	S	Indirect	By trusts (excl. GRATs)
Common Stock	Disposition	2023-02-22	384,000	$25.28	7,645,498	No	4	S	Indirect	By trusts (excl. GRATs)
Common Stock	Disposition	2023-02-22	384,000	$25.28	7,261,498	No	4	S	Indirect	By trusts (excl. GRATs)

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	S	Indirect	By trusts (excl. GRATs)
No	4	S	Indirect	By trusts (excl. GRATs)
No	4	S	Indirect	By trusts (excl. GRATs)
No	4	S	Indirect	By trusts (excl. GRATs)
No	4	S	Indirect	By trusts (excl. GRATs)

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock	6,973,614	Direct
Common Stock	1,867,747	Indirect	By James J. Kim 2021 GRAT dtd. 12/15/21
Common Stock	2,660,840	Indirect	By Agnes C. Kim 2020-1 GRAT dtd. 12/16/20
Common Stock	753,232	Indirect	By John T. Kim 2018 GRAT dtd. 2/6/18
Common Stock	1,117,623	Indirect	By James J. Kim 2020-1 GRAT dtd 4/1/20
Common Stock	3,678,298	Indirect	By own GRATs
Common Stock	19,484,809	Indirect	By Sujochil, LP
Common Stock	2,478,325	Indirect	By Sujoda Investments, LP
Common Stock	8,200,000	Indirect	By LLCs treated as corporations

Footnotes

The Reporting Person disclaims beneficial ownership of these securities, except to the extent of the Reporting Person's pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities, except to the extent of the Reporting Person's pecuniary interest therein, for purposes of Section 16 of the Securities Exchange Act of 1934, as amended ("Section 16"), or for any other purpose.
On February 22, 2023, the Irrevocable Deed of Trust of James J. Kim for Alexandra Kim Panichello dated 12/24/92 transferred 384,000 shares of Common Stock of Amkor Technology, Inc. (the "Issuer") in full payment of the principal and accrued interest of a note payable to James J. Kim by such trust. The Reporting Person and John T. Kim are co-trustees of such trust.
The Reporting Person is (i) a trustee of trusts for the benefit of her immediate family members (other than grantor retained annuity trusts ("GRATs")) which own 7,261,468 shares of the Issuer's Common Stock, (ii) a trustee of GRATs for the benefit of members of her immediate family which own 6,399,442 shares of the Issuer's Common Stock, (iii) a trustee of GRATs of which the Reporting Person was the settlor and is the sole annuitant which own 3,678,298 shares of the Issuer's Common Stock, (iv) a general partner of a limited partnership (Sujochil, LP) which owns 19,484,809 shares of the Issuer's Common Stock,
(Continued from Footnote 3) (v) a manager of limited liability companies being treated as corporations for purposes of Section 16, which own 8,200,000 shares of the Issuer's Common Stock and (vi) as referenced in footnote 9, a member of Sujoda Management, LLC, which indirectly owns 2,478,325 shares of the Issuer's Common Stock. Pursuant to Form 4 instructions, the Reporting Person is being treated as having a pecuniary interest in all of such shares.
On February 22, 2023, the Irrevocable Deed of Trust of James J. Kim for Jacqueline Mary Panichello dated 10/3/94 transferred 384,000 shares of the Issuer's Common Stock in full payment of the principal and accrued interest of a note payable to James J. Kim by such trust. The Reporting Person and John T. Kim are co-trustees of such trust.
On February 22, 2023, the Irrevocable Deed of Trust of James J. Kim for Allyson Lee Kim dated 10/15/01 transferred 384,000 shares of the Issuer's Common Stock in full payment of the principal and accrued interest of a note payable to James J. Kim by such trust. The Reporting Person and John T. Kim are co-trustees of such trust.
On February 22, 2023, the Irrevocable Deed of Trust of James J. Kim for Dylan James Panichello dated 10/15/01 transferred 384,000 shares of the Issuer's Common Stock in full payment of the principal and accrued interest of a note payable to James J. Kim by such trust. The Reporting Person and John T. Kim are co-trustees of such trust.
On February 22, 2023, the Irrevocable Deed of Trust of James J. Kim, Settlor, FBO Jason Lee Kim dated 11/17/03 transferred 384,000 shares of the Issuer's Common Stock in full payment of the principal and accrued interest of a note payable to James J. Kim by such trust. The Reporting Person and John T. Kim are co-trustees of such trust.
The sole general partner of Sujoda Investments, LP is Sujoda Management, LLC. The Reporting Person is one of three members of Sujoda Management, LLC. Sujoda Management, LLC is being treated as a limited partnership for purposes of Section 16, and, pursuant to the Form 4 instructions, the Reporting Person has elected to treat all of the shares of the Issuer's Common Stock owned by Sujoda Investments, LP as beneficially owned by the Reporting Person.