Form 4 Filing for Roger Anthony Carolin

This SEC filing details transactions made by Roger Anthony Carolin, a director at AMKOR TECHNOLOGY, INC. (AMKR). On September 22, 2026, Carolin acquired dividend equivalent units (DEUs) representing additional restricted stock units (RSUs) of the company. These DEUs were accrued upon the payment of a dividend on the same date. The transactions include the acquisition of 12.9709 RSUs, 14.9767 RSUs, and 3.9978 RSUs, all acquired at a price of $0.0. Following these acquisitions, Carolin