Form 4: Amkor Technology Director James J. Kim Reports Significant Share Distributions from Family Trusts

Amkor Technology, Inc. Director and 10% owner James J. Kim reported the planned distribution of millions of common shares from grantor retained annuity trusts to himself and his spouse, along with existing indirect holdings through family trusts.

Summary

• James J. Kim, a Director and 10% owner of Amkor Technology, Inc. (AMKR), reported changes in beneficial ownership of common stock.
• On July 30, 2025, 2,711,000 shares of Amkor Technology, Inc. common stock were distributed from the 2023 Grantor Retained Annuity Trust of James J. Kim to the Reporting Person.
• Following this distribution, James J. Kim directly beneficially owns 2,782,828 shares of common stock.
• On July 30, 2025, an additional 1,738,000 shares of common stock were distributed from the 2023 Grantor Retained Annuity Trust of Agnes C. Kim (spouse) to Agnes C. Kim.
• Following this distribution, Agnes C. Kim, spouse of the Reporting Person, indirectly beneficially owns 1,833,000 shares.
• The Reporting Person also indirectly beneficially owns 7,828,682 shares through the John T. Kim Family Trust U/A dtd. 12/11/12.
• An additional 1,957,350 shares are indirectly beneficially owned through the John T. Kim G-S Trust dtd. 12/11/12.
• Furthermore, 164,678 shares are indirectly beneficially owned by the Reporting Person as Trustee of a Trust U/A dtd. 12/11/12.
• The reported transactions were made pursuant to a contract, instruction, or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c).

Sentiment

Score: 6

Explanation: The sentiment is neutral to slightly positive. While not a direct market purchase, the increase in direct and indirect holdings by a director and significant owner, even through trust distributions, generally indicates a stable long-term commitment to the company. The transactions are pre-planned, reducing any speculative negative interpretation.

Positives

• The transactions represent a planned restructuring of beneficial ownership, indicating long-term estate planning by a significant insider.
• The acquisition of shares by the director and his spouse, albeit through trust distributions at $0 cost, increases their direct and indirect holdings in the company.

Risks

• The Reporting Person disclaims beneficial ownership of certain securities, except to the extent of their pecuniary interest, which could introduce complexity in assessing full beneficial ownership for Section 16 purposes or other purposes.
• The Reporting Person also disclaims beneficial ownership of reported securities owned by other members of the group for Section 16 purposes, which may require further analysis to understand the full scope of control within the 10% owner group.

Future Outlook

The filing primarily details a planned change in beneficial ownership structure through trust distributions and does not provide forward-looking statements regarding the company's financial performance or strategic outlook.

Management Comments

• 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.
• The Reporting Person states that 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 the other members of the group, for the purpose of Section 16, or for any other purpose.

Industry Context

This filing is specific to an insider's ownership changes and does not provide broader industry context or trends. It reflects individual estate planning and ownership structuring rather than operational or market-driven events.

Related Party Transactions

• The distributions of common stock from the 2023 Grantor Retained Annuity Trust of James J. Kim to the Reporting Person and from the 2023 Grantor Retained Annuity Trust of Agnes C. Kim to Agnes C. Kim (spouse) represent transactions between related parties (insider and family trusts).

Stakeholder Impact

• Shareholders: The filing clarifies the beneficial ownership structure of a significant insider and his family, providing transparency regarding control and long-term holdings.
• Management: The transactions reflect personal financial planning of a director and do not directly impact day-to-day operations or strategic decisions.

Key Dates

Keywords

Amkor Technology, AMKR, James J. Kim, Insider Transaction, Beneficial Ownership, SEC Form 4, Trust Distribution, Estate Planning, Corporate Governance, Rule 10b5-1