Home/Filings/4/0001628280-25-042831
4//SEC Filing

KIM SUSAN Y 4

Accession 0001628280-25-042831

CIK 0001047127other

Filed

Sep 24, 8:00 PM ET

Accepted

Sep 25, 4:46 PM ET

Size

14.6 KB

Accession

0001628280-25-042831

Insider Transaction Report

Form 4
Period: 2025-09-23
KIM SUSAN Y
10% Owner
Transactions
  • Award

    Restricted Stock Units

    2025-09-23+27.3659,854.892 total
    Common Stock (27.365 underlying)
Holdings
  • Common Stock

    (indirect: By LLC)
    16,710,668
  • Common Stock

    (indirect: By own GRATs)
    3,483,000
  • Common Stock

    (indirect: By Sujoda Investments, LP)
    3,789,479
  • Common Stock

    (indirect: By Trust)
    4,418,610
  • Common Stock

    (indirect: By Agnes C. Kim 2024 GRAT dtd. 8/5/24)
    1,600,000
  • Common Stock

    4,456,494
  • Common Stock

    (indirect: By Sujochil, LP)
    19,484,809
  • Common Stock

    (indirect: By James J. Kim 2024 GRAT dtd. 8/5/24)
    2,200,000
Footnotes (5)
  • [F1]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.
  • [F2]The Reporting Person is (i) a trustee of trusts for the benefit of her immediate family members (other than grantor retained annuity trusts ("GRATs")) which own 4,418,610 shares of the Common Stock of the Issuer); (ii) a trustee of GRATs for the benefit of members of her immediate family which own 3,800,000 shares of the Issuer's Common Stock; (iii) a trustee of GRATs of which the Reporting Person was the settlor and is the sole annuitant which own 3,483,000 shares of the Issuer's Common Stock; (iv) a general partner of a limited partnership (Sujochil, LP) which owns 19,484,809 shares of the Issuer's Common Stock
  • [F3](Continued from Footnote 3) (v) 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 and (vi) as referenced in Footnote 9, below, 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 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.
  • [F5]Represents dividend equivalent units ("DEUs") accrued upon the payment of a dividend on September 23, 2025 with respect to time-vested restricted stock units ("RSUs") of Amkor Technology, Inc. (the "Issuer") granted to the Reporting Person on May 15, 2025. Each DEU represents an additional RSU subject to the same provisions as the RSU with respect to which the DEU was accrued.

Issuer

AMKOR TECHNOLOGY, INC.

CIK 0001047127

Entity typeother

Related Parties

1
  • filerCIK 0001158922

Filing Metadata

Form type
4
Filed
Sep 24, 8:00 PM ET
Accepted
Sep 25, 4:46 PM ET
Size
14.6 KB