James J. Kim - Dec 21, 2021 Form 4 Insider Report for AMKOR TECHNOLOGY, INC. (AMKR)

Role: Director, Other*, 10%+ Owner
Signature: /s/ Richard D. Rosen, Attorney-in-Fact for James J. Kim
Stock symbol: AMKR
Transactions as of: Dec 21, 2021
Transactions value $: -$2,124
Form type: 4
Date filed: 12/23/2021, 07:41 PM
Previous filing: Jan 21, 2022
Next filing: Apr 20, 2022

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	AMKR	Common Stock	Tax liability	-$2.12K	-94	-0.02%	$22.60	461K	Dec 21, 2021	Direct	F1
holding	AMKR	Common Stock						23	Dec 21, 2021	By spouse	F3
holding	AMKR	Common Stock						14.1M	Dec 21, 2021	By self as Trustee	F2, F3
holding	AMKR	Common Stock						49.6M	Dec 21, 2021	By self as GP	F2, F3
holding	AMKR	Common Stock						6.43M	Dec 21, 2021	By self as settlor and trustee of GRAT	F2, F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The reporting transaction involved the withholding of 94 shares of the Issuer's Common Stock upon the early vesting of an equal number of restricted stock units. In accordance with the relevant plan and award agreement, the shares were withheld in order to pay taxes associated with the reporting person's becoming retirement eligible. The total reported in Column 5 includes 10,799 previously reported restricted stock units and previously reported options to purchase 450,000 shares of the Issuer's Common Stock..
F2	The reporting person is (i) a trustee of family trusts for the benefit of his immediate family members which own 16,489,527 shares of the Issuer's Common Stock, (ii) a trustee of grantor retained annuity trusts of which he was the settlor and is the sole annuitant which own 4,077,034 shares of the Issuer's Common stock and (iii) a general partner of a limited partnership which owns 49,594,980 shares of the Issuer's Common Stock. Pursuant to the Form 4 instructions, the reporting person is being treated as having a pecuniary interest in all of such shares.
F3	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, or for any other purpose.