A statement of changes in beneficial ownership for Amkor Technology, Inc. (NASDAQ:AMKR) was filed on September 24, 2026, disclosing that director Guillaume Marie Jean Rutten acquired dividend equivalent units tied to previously granted restricted stock units.

Key Highlights

  • Reporting person: Guillaume Marie Jean Rutten, identified as a director of Amkor Technology, Inc.
  • Transaction date: September 22, 2026, with the filing submitted September 24, 2026.
  • Securities acquired: 3.9978 Restricted Stock Units, classified as dividend equivalent units accrued upon a dividend payment.
  • Acquisition price: $0, as disclosed in Table II of the filing.
  • Total derivative securities held following transaction: 2,619.5144 RSUs, held directly.
  • Underlying RSU grant date: May 13, 2026, according to the filing's explanation of responses.

Director's Dividend Equivalent Units at Amkor Technology

According to the filing, the 3.9978 units acquired by Rutten represent dividend equivalent units, referred to in the filing as "DEUs," which accrued upon the payment of a dividend on September 22, 2026. The DEUs relate to time-vested restricted stock units previously granted to Rutten on May 13, 2026. Amkor Technology, Inc. is a semiconductor packaging and test services company listed on NASDAQ under the symbol AMKR, with its address disclosed in the filing as 2045 East Innovation Circle, Tempe, Arizona 85284.

The filing's explanation of responses 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 transaction is recorded in Table II covering derivative securities, with the price of the derivative security listed as $0. Following this transaction, the filing reports that Rutten directly holds 2,619.5144 RSUs in total. The filing was signed by Mark N. Rogers as Attorney-in-Fact for Guillaume Marie Jean Rutten on September 24, 2026.

What Was Disclosed

The filing reported the accrual of 3.9978 dividend equivalent units by Amkor Technology director Guillaume Marie Jean Rutten on September 22, 2026, bringing his total directly held RSU position to 2,619.5144 units, acquired at a price of $0.