Form 4: Amkor Director John T. Kim Reports 725K Share Trust Transfer

Amkor Technology Director John T. Kim reported an indirect acquisition of 725,000 common shares through a family trust distribution.

Summary

• John T. Kim, a Director and member of a 10% owner group of Amkor Technology, Inc. (AMKR), reported a change in beneficial ownership.
• On December 26, 2025, 725,000 shares of Amkor common stock were distributed from the 2023 Grantor Retained Annuity Trust to the Susan Y. Kim 2023 Family Distribution Trust.
• John T. Kim is a co-trustee of the Susan Y. Kim 2023 Family Distribution Trust, resulting in an indirect acquisition of beneficial ownership of these 725,000 shares.
• The transaction was classified as a gift ("G") with a price of $0 per share.
• Following this transaction, John T. Kim's total beneficial ownership, including direct and various indirect holdings, amounts to 96,274,619 shares. This includes 9,846,944 shares held by family trusts (other than GRATs), 5,594,489 shares held directly, 39,594,980 shares by 915 Investments, LP, 19,484,809 shares by Sujochil, LP, 16,710,668 shares by Kim Capital Partners KCP, LLC, 3,789,479 shares by Sujoda Investments, LP, and 1,253,250 shares by his own GRATs.

Sentiment

Score: 6

Explanation: The transaction represents an increase in indirect beneficial ownership by a key insider, which can be viewed positively as a sign of continued commitment. However, it's a trust distribution (gift) at $0, not an open market purchase, so the direct investment signal is neutral to slightly positive. The overall impact on the company's operational or financial outlook is minimal.

Positives

• Increased indirect beneficial ownership for a key insider, John T. Kim, by 725,000 shares, potentially signaling long-term confidence in the company.

Risks

• The reporting person disclaims beneficial ownership of these securities, except to the extent of their pecuniary interest, for purposes of Section 16 of the Securities Exchange Act of 1934 or for any other purpose.
• The filing of this Form 4 shall not be deemed an admission that the Reporting Person is the beneficial owner of the reported securities owned by other members of the group, for the purpose of Section 16, or for any other purpose.

Future Outlook

Not applicable as this filing primarily reports a past transaction in beneficial ownership.

Industry Context

This filing is a routine insider transaction disclosure and does not provide specific insights into broader industry trends or competitive landscape for Amkor Technology, Inc., a leading provider of semiconductor packaging and test services.

Related Party Transactions

• The transaction involves a distribution between family trusts where John T. Kim is a co-trustee, indicating a related party transaction within the family's holdings.

Stakeholder Impact

• Shareholders: The increase in indirect beneficial ownership by a director may be perceived as a positive signal of insider confidence, though it's a non-market transaction.
• Employees, Customers, Suppliers, Creditors: No direct impact from this beneficial ownership change.

Key Dates

Recommendation

This Form 4 filing details a routine, pre-planned trust distribution of shares to a trust where a director is a co-trustee, resulting in an increase in his indirect beneficial ownership. While it shows continued insider holding, it is not an open market purchase and does not provide new information regarding the company's operational performance, financial health, or strategic direction that would warrant a change in investment recommendation. Therefore, a 'hold' recommendation is appropriate as the filing itself does not present a compelling reason to alter an existing investment thesis.

Keywords

Amkor Technology, AMKR, SEC Form 4, Insider Trading, Beneficial Ownership, Trust Distribution, John T. Kim, Equity Transfer, Director Holdings, Semiconductor Packaging