AMKOR TECHNOLOGY, INC.·4

Mar 16, 6:37 PM ET

Buntyn Cherie 4

4 · AMKOR TECHNOLOGY, INC. · Filed Mar 16, 2026

Research Summary

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Amkor (AMKR) Chief Accounting Officer Buntyn Receives 799-Share RSU Award

What Happened

  • Buntyn Cherie, Chief Accounting Officer of Amkor Technology, Inc. (AMKR), received a grant of 799 restricted stock units (RSUs) on March 12, 2026.
  • The award is recorded as a derivative acquisition at $0.00 (no cash paid); the filing shows the grant but no immediate cash value realized at grant.

Key Details

  • Transaction date: March 12, 2026; Form 4 filed March 16, 2026 (timeliness not flagged in the filing).
  • Type: Grant / Award (derivative RSUs) — Transaction code A.
  • Shares/units granted: 799 RSUs; acquisition price: $0.00.
  • Vesting: RSUs vest in three equal annual installments beginning on the first anniversary of the grant; 100% vested on the third anniversary (per footnote).
  • Shares owned after transaction: Not specified in the provided filing.
  • Footnote: Grant made under Amkor’s Equity Incentive Plan and awarded solely for officer service.

Context

  • RSUs are a form of compensation: they represent a promise to deliver common stock if and when the units vest; they do not convey current share ownership or voting rights until settled.
  • This is a routine compensation grant to an executive and does not by itself signal a buy or sell decision in the market.

Insider Transaction Report

Form 4
Period: 2026-03-12
Buntyn Cherie
Chief Accounting Officer
Transactions
  • Award

    Restricted Stock Units

    [F1]
    2026-03-12+799799 total
    Exercise: $0.00Common Stock (799 underlying)
Footnotes (1)
  • [F1]Represents shares of Amkor Technology, Inc. (the "Issuer") common stock underlying time-vested restricted stock units (the "RSUs") granted on March 12, 2026 (the "Grant Date") pursuant to the Issuer's Equity Incentive Plan. The RSUs were awarded for no consideration other than the Reporting Person's service as an officer of the Issuer and will vest in three equal annual installments beginning on the first anniversary of the Grant Date and annually thereafter, such that 100% will be vested on the third anniversary of the Grant Date.
Signature
/s/ Mark N. Rogers, Attorney-in-Fact for Cherie Buntyn|2026-03-16

Documents

1 file
  • 4
    wk-form4_1773700670.xmlPrimary

    FORM 4