AMKOR TECHNOLOGY, INC. — Director's Dealing 2022

Jun 14, 2022

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AMKOR TECHNOLOGY, INC. (AMKR)
CIK: 0001047127
Period of Report: 2022-06-09

Reporting Person: Faust Megan (CFO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2022-06-09	Common Stock	M	6000	$9.48	Acquired	14512	Direct
2022-06-09	Common Stock	S	6000	$19.90	Disposed	8512	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2022-06-09	Employee Stock Option (Right-to-Buy)	$9.48	M	6000	Disposed	2029-02-15	Common Stock (6000)	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Restricted Stock Units	$		Common Stock ()	13972	Direct
Restricted Stock Units	$		Common Stock ()	5718	Direct

Footnotes

F1: As previously reported in a Form 4 filed by the Reporting Person on February 25, 2022 (the "Original 2022 Form 4"), shares of Amkor Technology, Inc. (the "Issuer") common stock underlying time-vested restricted stock units (the "2022 RSUs") were granted to the Reporting Person on February 24, 2022. In the Original 2022 Form 4, the 2022 RSUs were incorrectly reported in
Table I. Table II, Column 9 of this Form 4 has been adjusted to include the 2022 RSUs and reflects the proper number of 2022 RSUs beneficially owned by the Reporting Person as of the filing date of this Form 4.

F2: As previously reported in a Form 4 filed by the Reporting Person on February 18, 2021 (the "Original 2021 Form 4"), shares of the Issuer's common stock underlying time-vested restricted stock units (the "2021 RSUs") were granted to the Reporting Person on February 11, 2021. In the Original 2021 Form 4 and in subsequent Form 4s filed by the Reporting Person, the 2021 RSUs were incorrectly reported in Table I. Table II, Column 9 of this Form 4 has been adjusted to include the 2021 RSUs and reflects the proper number of 2021 RSUs beneficially owned by the Reporting Person as of the filing date of this Form 4.

F3: The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 10, 2022.

F4: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $19.80 to $20.04.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 (4) to this Form 4.

F5: 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 "Grant Date") and vests over four years as follows: (i) with respect to 25% of the Option Shares, on the first anniversary of the Grant Date; and (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 Grant Date.