Form 4: Amkor Technology 10% Owner Trust Distributes Over 2.7 Million Shares to James J. Kim

A trust associated with a significant shareholder of Amkor Technology, Inc. distributed over 2.7 million shares of common stock to James J. Kim.

Summary

• The 2023 Grantor Retained Annuity Trust of James J. Kim Dated 4/26/2023, identified as a member of a 10% owner group of Amkor Technology, Inc. (AMKR), reported a transaction.
• On July 30, 2025, the Reporting Person distributed 2,711,000 shares of Amkor Technology, Inc. Common Stock to James J. Kim.
• The transaction was recorded with a price of $0 per share, indicating a transfer rather than a sale.
• Following this distribution, the Reporting Person beneficially owns 876,004 shares of Common Stock.
• Susan Y. Kim is identified as the sole trustee of the Reporting Person.
• The filing includes a disclaimer stating that the filing of this Form 4 shall not be deemed an admission that the Reporting Person is the beneficial owner of securities owned by other members of the group for Section 16 purposes.

Sentiment

Score: 5

Explanation: The filing reports a change in beneficial ownership due to a trust distribution, which is a neutral event for the company's operational performance and does not inherently indicate positive or negative sentiment.

Risks

• The Reporting Person explicitly 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 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

Future Outlook

No forward-looking statements or guidance are provided in this filing.

Management Comments

• 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 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

Industry Context

This filing reports an internal change in beneficial ownership for a significant shareholder and does not provide information related to broader industry trends or competitors.

Related Party Transactions

• The distribution of 2,711,000 shares from the 2023 Grantor Retained Annuity Trust of James J. Kim to James J. Kim can be considered a related party transaction, given James J. Kim's likely role as the grantor and a significant shareholder.

Stakeholder Impact

• Shareholders: This transaction represents a change in the beneficial holder of a significant block of shares, but does not alter the total outstanding shares or the company's operational fundamentals.
• Employees, Customers, Suppliers, Creditors: No direct impact on these stakeholders is indicated by this filing.

Key Dates

Recommendation

The filing details a pre-planned distribution of shares from a grantor retained annuity trust to its beneficiary, James J. Kim. This is a change in beneficial ownership structure and does not reflect on the operational or financial performance of Amkor Technology, Inc., thus not warranting a change in investment recommendation based solely on this filing.

Keywords

Amkor Technology, AMKR, SEC Form 4, insider transaction, share distribution, beneficial ownership, trust, James J. Kim