Gift or transfer — classified separately from trades.
Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell
View the official recordSEC Form 4 — Statement of Changes in Beneficial OwnershipAll the details
Dates, kept separate
Transaction date
Dec 26, 2025
Reporting period
Not applicable
Filed with the SEC
Dec 30, 2025
10% ownerIndirect holdingGift / transfer
Context
Classification
gift transfer
Code G — gift, bequest or transfer
Planned / mechanical clue
None found in footnotes
Only flagged when a footnote says so; never inferred
Source receipt
Record ID
0001158839-25-000017
Filed / recorded
Dec 30, 2025, 9:40 PM UTC
Added to OQRO
Oct 6, 2026, 4:40 PM UTC
Parser
form4-xml-v2
Data quality
Verified: identifiers matched exactly
Issuer
AMKOR TECHNOLOGY, INC.
Issuer CIK
1047127
Ticker
AMKR
Reporting person
KIM JAMES J
Relationship
10% owner, Other
Security
Common Stock
Table
Non-derivative (Table I)
Transaction date
Dec 26, 2025
Transaction code
G
Shares / units
725,000
Price per share
$0.00
Acquired / disposed
Acquired (A)
Shares owned after
725,000
Ownership form
Indirect — Susan Y. Kim 2023 Family Distribution Trust
Amendment
No
Footnotes from the filing
On December 26, 2025, the 2023 Grantor Retained Annuity Trust dated 9/15/2023 distributed 725,000 shares of common stock of Amkor, Inc. (the "Issuer") to the Susan Y. Kim 2023 Family Distribution Trust. Susan Y. Kim is the trustee of the 2023 Grantor Retained Annuity Trust Dated 9/15/2023. The Reporting Person and John T. Kim are co-trustees of the Susan Y. Kim 2023 Family Distribution Trust.
The Reporting Person is (i) a trustee of trusts for the benefit of his immediate family members which own 9,786,032 shares of the Issuer's Common Stock (ii) a trustee of a trust which is a controlling member of a limited liability company being treated as a corporation for purposes of Section 16, which limited liability company holds 164,678 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.
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 ("Section 16"), or for any other purpose.
