AMKOR TECHNOLOGY, INC.·4

Feb 17, 4:21 PM ET

KIM JOHN T 4

4 · AMKOR TECHNOLOGY, INC. · Filed Feb 17, 2026

Research Summary

AI-generated summary of this filing

Updated

Amkor (AMKR) 10% Owner John T. Kim Sells 10M Shares

What Happened

  • John T. Kim, reported as a 10% owner of Amkor Technology, sold 10,000,000 shares of AMKR on February 12, 2026 at $48.49 per share, for total proceeds of $484,900,000. The shares were sold by 915 Investments, LP in an underwritten secondary offering; the reporting person is the general partner of 915 Investments, LP. This transaction is a sale (code S).

Key Details

  • Transaction date and price: Feb 12, 2026 — 10,000,000 shares at $48.49 each.
  • Proceeds: $484,900,000.
  • Shares owned after transaction: Not specified in the Form 4 itself. The filing includes footnotes indicating the reporting person has pecuniary interests through multiple trusts and entities (examples listed below).
  • Notable footnotes:
    • F1: Sale executed by 915 Investments, LP pursuant to an underwritten secondary offering; reporting person is GP of that LP.
    • F2–F5: Reporting person disclaims direct beneficial ownership except to extent of pecuniary interest and is treated as having interests in multiple entities holding large blocks (examples cited in the filing include 9,846,944; 1,253,250; 19,484,809; 16,710,668; 29,594,980; and 3,789,479 shares across various trusts/partnerships/LLCs).
    • F4/F5 and Remarks: The filer disclaims beneficial ownership except for pecuniary interest and states the Form 4 should not be read as admission of beneficial ownership for Section 16 purposes.
  • Filing timeliness: Transaction dated Feb 12, 2026; Form 4 filed Feb 17, 2026 (5 days later). The filing indicates tardiness relative to the typical 2-business-day Form 4 requirement.

Context

  • This was an underwritten secondary offering by an affiliated investment vehicle (915 Investments, LP). As a 10% owner and general partner, Kim’s sale was executed through an institutional entity rather than a simple open-market executive sale — a different context than a direct insider liquidity sale or a small open-market sale by an executive.
  • Sales (code S) are often routine and do not, by themselves, indicate management sentiment about the company’s prospects. Purchases generally carry more weight as a signal of insider confidence.

Insider Transaction Report

Form 4
Period: 2026-02-12
KIM JOHN T
10% OwnerOther
Transactions
  • Sale

    Common Stock

    [F1][F2][F3][F4]
    2026-02-12$48.49/sh10,000,000$484,900,00029,594,980 total(indirect: By 915 Investments, LP)
Holdings
  • Common Stock

    5,594,489
  • Common Stock

    [F2][F3][F4]
    (indirect: By own GRATs)
    1,253,250
  • Common Stock

    [F2][F3][F4]
    (indirect: By Trust)
    9,846,944
  • Common Stock

    [F2][F3][F4]
    (indirect: By Sujochil, LP)
    19,484,809
  • Common Stock

    [F2][F3][F4]
    (indirect: By LLC)
    16,710,668
  • Common Stock

    [F2][F3][F4][F5]
    (indirect: By Sujoda Investments, LP)
    3,789,479
Footnotes (5)
  • [F1]On February 12, 2026, 915 Investments, LP sold 10,000,000 shares of Common Stock of Amkor Technology, Inc. (the "Issuer") pursuant to an underwritten secondary offering. The Reporting Person is the general partner of 915 Investments, LP.
  • [F2]The Reporting Person is (i) a trustee of family trusts for the benefit of his immediate family members (other than Grantor Retained Annuity Trusts ("GRATS") which own 9,846,944 shares of the Issuer's Common Stock, (ii) a trustee of GRATs of which the Reporting Person was the settlor and is the sole annuitant which own 1,253,250 shares of the Issuer's Common Stock, (iii) a general partner of a limited partnership (Sujochil, LP) which owns 19,484,809 shares of the Issuer's Common Stock (iv) a manager of a limited liability company being treated as a corporation for purposes of Section 16 which owns 16,710,668 shares of the Issuer's Common Stock
  • [F3](continued from Footnote 2) (v) a general partner of a limited partnership which owns 29,594,980 shares of the Issuer's Common Stock and (vi) as referenced in Footnote 4, a member of Sujoda Management, LLC, which indirectly owns 3,789,479 shares of the Issuer's Common Stock. Pursuant to the Form 4 instructions, the Reporting Person is being treated as having a pecuniary interest in all of such shares.
  • [F4]The Reporting Person disclaims beneficial ownership of these securities, except to the extent of the Reporting Person's pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities, except to the extent of the Reporting Person's pecuniary interest therein, for purposes of Section 16 of the Securities Exchange Act of 1934, as amended ("Section 16"), or for any other purpose.
  • [F5]The sole general partner of Sujoda Investments, LP is Sujoda Management, LLC. The Reporting Person is one of three members of Sujoda Management, LLC. Sujoda Management, LLC is being treated as a limited partnership for purposes of Section 16, and, pursuant to the Form 4 instructions, the Reporting Person has elected to treat all of the shares of the Issuer's Common Stock owned by Sujoda Investments, LP as beneficially owned by the Reporting Person.
Signature
/s/ Brian D. Short, Attorney-in-Fact for John T. Kim|2026-02-17

Documents

1 file
  • 4
    wk-form4_1771363260.xmlPrimary

    FORM 4