Insider Transactions of AMKOR TECHNOLOGY, INC.

On May 18, 2026, Mark N. Rogers, EVP & General Counsel of AMKOR TECHNOLOGY, INC. (AMKR), acquired 5,000 shares of Common Stock through the exercise of an employee stock option at a price of $0.00 per share. The transaction was part of a Rule 10b5-1 trading plan. Following this acquisition, Rogers acquired an additional 5,000 shares of Common Stock at $7.40 per share, bringing his total post-transaction shares to 43,904. Concurrently, Rogers disposed of 5,000 shares of Common Stock at a price of $71.63 per share, resulting in 38,904 shares remaining. The stock option exercised was granted on June 10, 2019, with vesting over four years and an exercise price of $7.40.