Amkor Technology, INC Form 4 insider transactions

Susan Y. Kim has resigned as manager of Kim Capital Partners - KCP, LLC and reported her beneficial ownership of Amkor Technology, Inc. (AMKR) shares.

Amkor Technology Director Daniel Liao acquired dividend equivalent units related to restricted stock units on March 31, 2026.

Amkor Technology's CFO, Megan Faust, reported a disposition of company stock related to RSU vesting and tax withholding.

Amkor Technology President and CEO Kevin Engel reported transactions involving company stock, including the acquisition of shares via restricted stock unit vesting and the disposition of shares to cover tax obligations.

Amkor Technology Director Winston J. Churchill acquired dividend equivalent units related to restricted stock units.

Amkor Technology Director Roger Anthony Carolin acquired dividend equivalent units on March 31, 2026, related to previously granted restricted stock units.

Amkor Technology Director Douglas A. Alexander acquired dividend equivalent units (DEUs) related to restricted stock units (RSUs) on March 31, 2026.

Amkor Technology's Chief Accounting Officer, Cherie Buntyn, received a grant of 799 restricted stock units as part of the company's equity incentive plan.

Amkor Technology's President and CEO, Kevin K. Engel, sold 12,500 shares of common stock following the vesting of restricted stock units and tax withholding.

Amkor Technology Director Guillaume Rutten exercised restricted stock units and subsequently sold a portion of his common stock holdings.

Amkor Technology CFO Megan Faust reported the vesting of restricted stock units and the subsequent withholding of shares to cover tax obligations.

Amkor Technology's EVP & General Counsel, Mark N. Rogers, reported the vesting of restricted stock units and subsequent share withholding for tax obligations.

Amkor Technology Director David N. Watson exercised 20,000 stock options, increasing his direct beneficial ownership of common stock.

Amkor Technology's Executive Vice President, Farshad Haghighi, sold 15,624 shares of common stock following the vesting of restricted stock units and tax withholding.

Amkor Technology's President and CEO, Kevin K. Engel, reported the vesting of restricted stock units and subsequent share disposals to cover tax obligations.

Amkor Technology's CFO, Megan Faust, reported the vesting of restricted stock units and related tax withholding transactions on February 20, 2026.

Amkor Technology's EVP & General Counsel, Mark N. Rogers, reported the vesting of restricted stock units and subsequent share withholdings for tax obligations.

Amkor Technology Director Guillaume Marie Jean Rutten acquired 172,329 shares of common stock through the vesting of restricted stock units.

Amkor Technology's Executive Vice President, Farshad Haghighi, reported the vesting of Restricted Stock Units and associated tax-related share disposals.

Amkor Technology's EVP & General Counsel, Mark N. Rogers, exercised stock options and subsequently sold 5,000 shares of common stock under a Rule 10b5-1 trading plan.

Amkor Technology Director Guillaume Marie Jean Rutten sold 10,000 shares of common stock for approximately $531,400 as part of a pre-arranged trading plan.

Amkor Technology's Executive Vice President, Kevin Engel, reported the vesting of restricted stock units and subsequent share withholding for tax obligations.

Amkor Technology CFO Megan Faust reported the vesting of 8,692 restricted stock units and the subsequent withholding of 3,725 shares for tax obligations on December 31, 2025.

Amkor Technology's President and CEO, Guillaume Rutten, converted 8,692 restricted stock units into common stock on December 31, 2025.

James J. Kim, a director and 10% owner of Amkor Technology, reported the indirect acquisition of 725,000 common shares through a family trust distribution.

A trust associated with a 10% owner of Amkor Technology, Inc. distributed 725,000 shares of common stock to a family trust.

Amkor Technology Director John T. Kim reported an indirect acquisition of 725,000 common shares through a family trust distribution.

Susan Y. Kim, a Director and 10% Owner of Amkor Technology, reported a disposition of 725,000 common shares from a grantor retained annuity trust.

Agnes C. Kim, a member of Amkor Technology's 10% owner group, reported the indirect acquisition of 725,000 common shares through a trust distribution.

Amkor Technology Director Douglas A. Alexander increased his beneficial ownership of Restricted Stock Units through the accrual of dividend equivalent units on December 23, 2025.