Insider Transaction Report for AMKOR TECHNOLOGY, INC.

On February 20, 2026, Mark N. Rogers, EVP & General Counsel of AMKOR TECHNOLOGY, INC. (AMKR), reported several transactions. These include the acquisition of 7,422 shares of Common Stock through the withholding of Restricted Stock Units (RSUs) to cover tax obligations related to RSUs granted on February 20, 2024. Additionally, 3,181 shares were disposed of to cover taxes upon the vesting of these RSUs, with a price per share of $47.94. Another acquisition of 8,690 shares of Common Stock occurred through the withholding of RSUs for tax purposes related to RSUs granted on February 20, 2025. Furthermore, 3,724 shares were disposed of to cover taxes upon the vesting of these latter RSUs, also at a price per share of $47.94. These transactions were part of the company's equity incentive plan.