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AMKOR TECHNOLOGY, INC.

For the period ended Sep 30, 2025. Filed Oct 28, 2025.

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A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Sep 30, 2025 · Filed Oct 28, 2025

AMKR$35.00+6.6%Stored close · as of Nov 9, 2026

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Item 5. Other Information

On August 1, 2025, Mark N. Rogers, Amkor’s Executive Vice President, General Counsel and Corporate Secretary, adopted a “Rule 10b5-1 trading arrangement” as such term is defined in paragraph (a) of Item 408 of Regulation S-K promulgated under the Securities Act, which is intended to satisfy the affirmative defense of Rule 10b5-1(c). Mr. Rogers’ Rule 10b5-1 trading arrangement will terminate on the earliest of: (a)August 31, 2026; (b) the first date on which all trades have been executed or all trading orders relating to such trades have expired; and (c) the date on which Mr. Rogers gives notice to terminate his Rule 10b5-1 trading arrangement.80,000 shares of our common stock are to be sold under Mr. Rogers’ Rule 10b5-1 trading arrangement.

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The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.