A Form 4 filed on September 24, 2026 reports that MaryFrances McCourt, a director of Amkor Technology, Inc. (NASDAQ:AMKR), acquired dividend equivalent units on September 22, 2026 in connection with two separate restricted stock unit grants.

Key Highlights

  • Reporting person: MaryFrances McCourt, listed as a Director of Amkor Technology, Inc.
  • First DEU award: 12.9709 dividend equivalent units accrued on September 22, 2026 on RSUs originally granted May 16, 2023, at a price of $0, bringing that RSU balance to 8,916.9241.
  • Second DEU award: 3.9978 dividend equivalent units accrued on September 22, 2026 on RSUs originally granted May 13, 2026, at a price of $0, bringing that RSU balance to 2,619.5144.
  • Nature of units: Each dividend equivalent unit represents an additional RSU subject to the same vesting provisions as the underlying RSU with respect to which it was accrued.
  • Ownership form: Both positions are held directly by the reporting person.

McCourt's Dividend Equivalent Units Tied to Two RSU Grant Dates

According to the filing, the two acquisitions reported by McCourt are coded as acquisitions (A) of derivative securities and arose from the payment of a cash dividend on September 22, 2026. The filing describes the units as "dividend equivalent units" accrued with respect to time-vested restricted stock units of Amkor Technology, Inc. The filing states that each DEU "represents an additional RSU subject to the same provisions as the RSU with respect to which the DEU was accrued."

The first tranche of 12.9709 DEUs relates to RSUs the issuer granted to McCourt on May 16, 2023. Following this acquisition, the filing reports a total of 8,916.9241 RSUs beneficially owned directly in connection with that grant. The second tranche of 3.9978 DEUs relates to RSUs granted on May 13, 2026, with a resulting directly held balance of 2,619.5144 RSUs for that award. Both awards are reported with a derivative security price of $0.

The Form 4 was signed by Mark N. Rogers as Attorney-in-Fact for MaryFrances McCourt on September 24, 2026. No non-derivative securities transactions were reported in Table I of the filing.

What Was Disclosed

The filing discloses two acquisitions of derivative securities by an Amkor Technology director, consisting of dividend equivalent units accrued on September 22, 2026 against two existing RSU grants, with no cash consideration paid by the reporting person.