AMKOR TECHNOLOGY, INC.·4

Feb 20, 4:20 PM ET

Haghighi Farshad 4

4 · AMKOR TECHNOLOGY, INC. · Filed Feb 20, 2026

Research Summary

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Updated

Amkor (AMKR) EVP Farshad Receives Stock Awards; Shares Withheld

What Happened
Farshad Haghighi, Executive Vice President of Amkor Technology (AMKR), had performance-vested restricted stock units (PSUs) vest on Feb 18, 2026 (7,597 shares total) and received a new grant of 18,185 time‑vested restricted stock units (RSUs). To cover tax withholding on the vested PSUs, the issuer withheld 3,659 shares (disposed) at an attributed price of $46.74 per share, totaling about $171,022 (two withholdings: 1,038 shares = $48,516; 2,621 shares = $122,506). The RSUs were awarded for service and will vest in three equal annual installments beginning on the first anniversary of the Feb 18, 2026 grant date.

Key Details

  • Transaction date: February 18, 2026; Form 4 filed Feb 20, 2026 (timely filing).
  • Award/vesting amounts: 2,003 PSUs (granted Feb 20, 2024) and 5,594 PSUs (granted Feb 20, 2025) vested based on EPS performance for the 2025 year (total vested PSUs = 7,597).
  • New grant: 18,185 RSUs granted Feb 18, 2026 (vests 1/3 annually over 3 years).
  • Tax withholding: 3,659 shares withheld at $46.74/share to satisfy tax obligations (total ~$171,022). The issuer withheld these shares to cover withholding and will pay the related taxes on behalf of the reporting person (per footnote).
  • Shares owned after the transactions: not specified in the provided filing.

Context
These were award/vesting and withholding transactions (codes A and F). The PSUs vested based on a company performance metric (basic EPS), and the withheld shares were used to meet tax obligations — a routine administrative step, not an open‑market sale. New RSUs are time‑vested equity compensation that vests over three years. Such grant/withholding filings are common for executives and do not by themselves indicate a buy/sell signal.

Insider Transaction Report

Form 4
Period: 2026-02-18
Haghighi Farshad
Executive Vice President
Transactions
  • Award

    Common Stock

    [F1]
    2026-02-18+2,00311,330 total
  • Tax Payment

    Common Stock

    [F2]
    2026-02-18$46.74/sh1,038$48,51610,292 total
  • Award

    Common Stock

    [F3]
    2026-02-18+5,59415,886 total
  • Tax Payment

    Common Stock

    [F2]
    2026-02-18$46.74/sh2,621$122,50613,265 total
  • Award

    Restricted Stock Units

    [F4]
    2026-02-18+18,18518,185 total
    Exercise: $0.00Common Stock (18,185 underlying)
Footnotes (4)
  • [F1]This Form 4 reports the vesting on February 18, 2026 of 2,003 shares of common stock of Amkor Technology, Inc. (the "Issuer") underlying performance-vested restricted stock units ("PSUs") granted to the Reporting Person on February 20, 2024 pursuant to the Issuer's Equity Incentive Plan, as amended, and the related award agreement. The PSUs vested based on the attainment of a basic earnings per share performance goal over a one-year performance period beginning January 1, 2025 and ending on December 31, 2025.
  • [F2]The transaction represents shares of the Issuer's common stock withheld by the Issuer in connection with the vesting of PSUs to satisfy the Reporting Person's tax withholding obligations. The Issuer will pay these taxes on behalf of the Reporting Person.
  • [F3]The transaction represents the vesting on February 18, 2026 of 5,594 shares of common stock of the Issuer's underlying PSUs granted to the Reporting Person on February 20, 2025 pursuant to the Issuer's Equity Incentive Plan, as amended, and the related award agreement. The PSUs vested based on the attainment of a basic earnings per share performance goal over a one-year performance period beginning January 1, 2025 and ending on December 31, 2025.
  • [F4]Represents shares of the Issuer's common stock underlying time-vested restricted stock units granted on February 18, 2026 (the "Grant Date") pursuant to the Issuer's Equity Incentive Plan (the "RSUs"). 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 Farshad Haghighi|2026-02-20

Documents

1 file
  • 4
    wk-form4_1771622431.xmlPrimary

    FORM 4