Form 4: Amkor 10% Owner Trust Distributes 876K Shares

A trust associated with a 10% owner of Amkor Technology, Inc. distributed 876,004 shares of common stock to two individuals.

Summary

• The 2023 Grantor Retained Annuity Trust of James J. Kim, a member of a 10% owner group of Amkor Technology, Inc. (AMKR), reported a change in beneficial ownership.
• On August 1, 2025, the Reporting Person distributed a total of 876,004 shares of Amkor Technology, Inc. Common Stock.
• Specifically, 438,002 shares were distributed to Susan Y. Kim, who is also the sole trustee of the Reporting Person.
• An additional 438,002 shares were distributed to John T. Kim.
• The distributions were made at a price of $0 per share, indicating a transfer rather than a sale on the open market.
• Following these transactions, the Reporting Person's direct beneficial ownership of Amkor Technology, Inc. Common Stock is 0 shares.

Sentiment

Score: 5

Explanation: The filing is a factual report of an internal trust distribution of shares and does not inherently convey positive or negative sentiment regarding the company's operational performance or future prospects.

Positives

• NA

Negatives

• NA

Risks

• NA

Future Outlook

NA

Industry Context

This filing reports a specific insider transaction and does not provide broader industry context or trends.

Related Party Transactions

• The distribution of shares from the 2023 Grantor Retained Annuity Trust of James J. Kim to Susan Y. Kim and John T. Kim represents a transaction between parties likely related to the grantor of the trust, who is a member of a 10% owner group.

Stakeholder Impact

• This transaction is an internal transfer within a trust structure and is unlikely to have a direct material impact on public shareholders, employees, customers, suppliers, or creditors.

Key Dates

Keywords

Amkor Technology, AMKR, SEC Form 4, Beneficial Ownership, Trust, Stock Distribution, Insider Transaction