Tily Gil C. 4

What Happened
Tily Gil C., a director of Amkor Technology, Inc. (AMKR), was credited with 18.156 dividend-equivalent units (DEUs) on March 31, 2026. The Form 4 reports these as an award/acquisition at $0.00 (total reported value $0) and classifies the grant as a derivative (additional RSUs).

Key Details

• Transaction date: 2026-03-31; Filing date: 2026-04-02 (filed within the normal reporting window).
• Shares/units received: 18.156 DEUs recorded at $0.00 per unit (total $0).
• Post-transaction holdings: Not reported in the provided data.
• Footnote: These DEUs accrued upon the March 31, 2026 dividend with respect to time-vested RSUs granted to the reporting person on May 15, 2025; each DEU represents an additional RSU subject to the same terms as the original RSU.
• Transaction code: A (award/grant); classified as a derivative issuance rather than an open-market trade.

Context
This was not a purchase or sale of stock but an accrual of dividend-equivalent units tied to existing time-vested RSUs. DEUs simply convert to additional RSUs under the same vesting and terms as the May 15, 2025 grant; they do not represent immediate cash proceeds or an open-market signal.