Form 4 Filing for Kevin Engel

This filing details a transaction by Kevin Engel, President and CEO of AMKOR TECHNOLOGY, INC. (AMKR). On July 30, 2026, Mr. Engel disposed of 3,221 shares of Common Stock at a price of $47.00 per share. Following this transaction, Mr. Engel directly owns 9,666 shares of AMKR Common Stock. The transaction was reported on a Form 4 filing, signed by Mark N. Rogers as Attorney-in-Fact for Kevin Engel.