AMKOR TECHNOLOGY, INC. — Director's Dealing 2023

Feb 14, 2023

SEC Form 3 — Initial Statement of Beneficial Ownership

Issuer: AMKOR TECHNOLOGY, INC. (AMKR)
CIK: 0001047127
Period of Report: 2023-02-07

Reporting Person: Engel Kevin (Executive Vice President)

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	525	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Restricted Stock Units	$0.00		Common Stock (2451)		Direct
Restricted Stock Units	$0.00		Common Stock (3761)		Direct
Employee Stock Option (Right-to-Buy)	$9.48	2029-02-15	Common Stock (6250)		Direct

Footnotes

F1: Represents shares of time-vested restricted stock units (the "2021 RSUs") granted pursuant to the Amkor Technology, Inc. (the "Issuer") Second Amended and Restated 2007 Equity Incentive Plan, as amended, and the related award agreement on February 11, 2021 (the "2021 RSU Grant Date"). The 2021 RSUs vest in four equal annual installments beginning on the first anniversary of the 2021 RSU Grant Date.

F2: Represents shares of time-vested restricted stock units (the "2022 RSUs") granted pursuant to the Issuer's 2021 Equity Incentive Plan, as amended, and the related award agreement on February 24, 2022 (the "2022 RSU Grant Date"). The 2022 RSUs vest in four equal annual installments beginning on the first anniversary of the 2022 RSU Grant Date.

F3: This stock option (the "Option Shares") to acquire 100,000 shares of the Issuer's common stock was granted on February 15, 2019 (the "Option Grant Date") and vests over four years as follows: (i) with respect to 25% of the Option Shares, on the first anniversary of the Option Grant Date; (ii) with respect to the remainder of the Option Shares, in equal quarterly installments thereafter, such that 100% of the Option will vest on the fourth anniversary of the Option Grant Date.