Amkor Technology Director Daniel Liao Receives Dividend Equivalent Units on Restricted Stock

Amkor Technology, Inc. director Daniel Liao received dividend equivalent units (DEUs) on June 23, 2026, related to his restricted stock units (RSUs). Liao acquired 9.4278 DEUs from RSUs granted on May 15, 2025, bringing his total holdings to 9,902.4851 RSUs. He also received 2.5166 DEUs from RSUs granted on May 13, 2026, increasing those holdings to 2,615.5166 RSUs. These DEUs represent additional RSUs that accrue when dividends are paid and are subject to the same vesting provisions as the original RSUs. The transactions were reported on Form 4 and represent routine equity compensation adjustments rather than market purchases. As a director, Liao's equity holdings are periodically adjusted through these dividend equivalent mechanisms.