FORM 4
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
☐ Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10. |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 |
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| 1. Name and Address of Reporting Person * KIM AGNES C | 2. Issuer Name and Ticker or Trading Symbol AMKOR TECHNOLOGY, INC. [ AMKR ] |
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner _____ Officer (give title below) __X__ Other (specify below) Member of 10% owner group (3) |
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3. Date of Earliest Transaction
(MM/DD/YYYY)
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4. If Amendment, Date Original Filed
(MM/DD/YYYY)
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6. Individual or Joint/Group Filing
(Check Applicable Line)
_X
_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person | |
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned | ||||||||||
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1.Title of Security (Instr. 3) | 2. Trans. Date | 2A. Deemed Execution Date, if any |
3. Trans. Code (Instr. 8) |
4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) |
5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) | 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) | 7. Nature of Indirect Beneficial Ownership (Instr. 4) | |||
| Code | V | Amount | (A) or (D) | Price | ||||||
| Common Stock | 12/26/2025 | G | 725,000 (1) | A | $0 | 10,737,355 (2) | I | By Spouse | ||
| Common Stock | 0 | D | ||||||||
Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities) | |||||||||||||||
| 1. Title of Derivate Security (Instr. 3) | 2. Conversion or Exercise Price of Derivative Security | 3. Trans. Date | 3A. Deemed Execution Date, if any | 4. Trans. Code (Instr. 8) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) | 8. Price of Derivative Security (Instr. 5) | 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) | 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) | 11. Nature of Indirect Beneficial Ownership (Instr. 4) | ||||
| Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | ||||||||
| Remarks: (3) 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, or for any other purpose. |
| Reporting Owners | |||||
| Reporting Owner Name / Address | |||||
| Director | 10% Owner | Officer | Other | ||
| KIM AGNES C C/O SIANA CARR O'CONNOR & LYNAM 1500 EAST LANCASTER AVENUE PAOLI, PA 19301-9713 | Member of 10% owner group (3) | ||||
| Signatures | ||
| /s/ Brian D. Short, Attorney-in-Fact for Agnes C. Kim | 12/30/2025 | |
| **Signature of Reporting Person | Date | |
| Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. | |
| * | If the form is filed by more than one reporting person, see Instruction 4(b)(v). |
| ** | Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a). |
| Note: | File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure. |
| Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number. | |