Carolin Roger Anthony 4

4 · AMKOR TECHNOLOGY, INC. · Filed May 15, 2026

AI-generated summary of this filing

Updated May 15, 2026

Amkor (AMKR) Director Carolin Roger Anthony Receives 2,613 RSUs

What Happened

Carolin Roger Anthony, a director of Amkor Technology, Inc. (AMKR), received a grant of 2,613 restricted stock units (RSUs) on May 13, 2026. The award shows $0.00 paid (standard for compensation grants). These RSUs are a derivative award that can convert into common stock on a one‑for‑one basis once vested. This was an award for director service, not an open‑market purchase or sale.

Key Details

Transaction date: 2026-05-13; filing date: 2026-05-15 (filed within the typical 2-business‑day Form 4 window).
Award amount and price: 2,613 RSUs at $0.00 (no cash consideration).
Shares owned after transaction: Not specified in the provided filing excerpt.
Footnote: RSUs are time‑vested and will vest in full on the earlier of the first anniversary of the grant date or the Issuer’s first annual meeting of stockholders following the grant. Awarded solely for director service.
Transaction code: A (Grant/Award).

Context

RSUs are a deferred compensation award: they do not represent immediately tradable shares until they vest and are converted into common stock. Such grants are routine director compensation and do not necessarily indicate the director’s view on near‑term stock performance. No tax withholding, sales, or option exercises were reported in this filing.

Form 4

Period: 2026-05-13

Director

Transactions

Award
Restricted Stock Units
[F1]
2026-05-13+2,613→ 2,613 total
→ Common Stock (2,613 underlying)

Footnotes (1)

[F1]Represents shares of common stock underlying time-vested restricted stock units ("RSUs") granted on May 13, 2026 (the "Grant Date") pursuant to the Amkor Technology, Inc. (the "Issuer") 2021 Equity Incentive Plan. Subject to the terms and conditions of the applicable award agreement, the RSUs may be converted into common stock of the Issuer on a one-for-one basis and will vest in full on the earlier of the first anniversary of the Grant Date or the date of the Issuer's first annual meeting of stockholders immediately following the Grant Date. The RSUs were awarded for no consideration other than the Reporting Person's service as a director of the Issuer.

Signature

/s/ Mark N. Rogers, Attorney-in-Fact for Roger A. Carolin|2026-05-15

1 file