Farshad Haghighi - 14 Nov 2025 Form 4 Insider Report for AMKOR TECHNOLOGY, INC. (AMKR)

Role
Executive Vice President
Signature
/s/ Mark N. Rogers, Attorney-in-Fact for Farshad Haghighi
Issuer symbol
AMKR
Transactions as of
14 Nov 2025
Transactions value $
-$25,249
Form type
4
Filing time
18 Nov 2025, 16:35:40 UTC
Previous filing
10 Sep 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Haghighi Farshad Executive Vice President 2045 EAST INNOVATION CIRCLE, TEMPE /s/ Mark N. Rogers, Attorney-in-Fact for Farshad Haghighi 18 Nov 2025 0001887579

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction AMKR Common Stock Options Exercise $0 +66 +0.79% $0.00 8.42K 14 Nov 2025 Direct
transaction AMKR Common Stock Tax liability -$2.09K -66 -0.78% $31.68 8.35K 14 Nov 2025 Direct F1
transaction AMKR Common Stock Options Exercise $0 +67 +0.8% $0.00 8.42K 14 Nov 2025 Direct F1
transaction AMKR Common Stock Tax liability -$2.12K -67 -0.8% $31.68 8.35K 14 Nov 2025 Direct F2
transaction AMKR Common Stock Options Exercise $0 +269 +3.22% $0.00 8.62K 14 Nov 2025 Direct F2
transaction AMKR Common Stock Tax liability -$8.52K -269 -3.12% $31.68 8.35K 14 Nov 2025 Direct F3
transaction AMKR Common Stock Options Exercise $0 +395 +4.73% $0.00 8.75K 14 Nov 2025 Direct F3
transaction AMKR Common Stock Tax liability -$12.5K -395 -4.51% $31.68 8.35K 14 Nov 2025 Direct F4

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction AMKR Restricted Stock Units Options Exercise $0 -66 -3.51% $0.00 1.81K 14 Nov 2025 Common Stock 66 $0.00 Direct F1
transaction AMKR Restricted Stock Units Options Exercise $0 -67 -1.81% $0.00 3.64K 14 Nov 2025 Common Stock 67 $0.00 Direct F2
transaction AMKR Restricted Stock Units Options Exercise $0 -269 -1.81% $0.00 14.6K 14 Nov 2025 Common Stock 269 $0.00 Direct F3
transaction AMKR Restricted Stock Units Options Exercise $0 -395 -1.21% $0.00 32.2K 14 Nov 2025 Common Stock 395 $0.00 Direct F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The reported transaction involved the withholding of 66 shares of common stock of Amkor Technology, Inc. (the "Issuer") issuable upon the early vesting of an equal number of restricted stock units ("RSUs") to pay taxes associated with the Reporting Person's retirement eligibility status.
F2 The reported transaction involved the withholding of 67 shares of the Issuer's common stock issuable upon the early vesting of an equal number of RSUs to pay taxes associated with the Reporting Person's retirement eligibility status.
F3 The reported transaction involved the withholding of 269 shares of the Issuer's common stock issuable upon the early vesting of an equal number of RSUs to pay taxes associated with the Reporting Person's retirement eligibility status.
F4 The reported transaction involved the withholding of 395 shares of the Issuer's common stock issuable upon the early vesting of an equal number of RSUs to pay taxes associated with the Reporting Person's retirement eligibility status.