Amkor (AMKR): Kim family trust adds $9.7M in shares amid transfers
Rhea-AI Filing Summary
Amkor Technology (AMKR) – Form 4 filed 8 Aug 2025 for 1 Aug 2025 transactions
Director/10% owner Susan Y. Kim disclosed several equity movements:
- Gifts/GRAT distributions (Code G): 438,002 and 280,000 shares moved from 2023 Grantor Retained Annuity Trusts to Kim; equal amounts were concurrently distributed to other family members, all at $0.
- Open-market purchase (Code P): Sujoda Investments LP, attributed to Kim, bought 441,589 shares at $21.85.
Post-transaction ownership
- Direct: 4,456,494 shares.
- Indirect: interests in family entities and trusts totaling about 51.7 million shares (19.48 m via Sujochil LP, 16.71 m via Kim Capital Partners, 4.42 m family trusts, 3.79 m Sujoda Investments, plus several GRATs).
No derivative securities were reported. Most changes stem from estate-planning reallocations, but the sizeable market purchase indicates ongoing insider confidence. Kim disclaims beneficial ownership beyond her pecuniary interest.
Positive
- 441,589-share open-market purchase at $21.85 signals insider confidence and injects roughly $9.7 m of personal/family capital into AMKR.
Negative
- None.
Insights
TL;DR: Insider family bought 0.44 m AMKR shares at $21.85; other transfers are bookkeeping—net message skews positive.
The only cash transaction is Sujoda Investments’ $9.7 m purchase (441,589 × $21.85), suggesting conviction at current valuation. Combined direct and indirect holdings exceed 56 m shares, keeping the Kim family a dominant shareholder, which can align interests with minorities but also concentrate control. Gift transactions merely reshuffle trust assets and do not constitute selling pressure. Overall, the filing signals continued accumulation rather than distribution.
TL;DR: Trust-driven reallocations routine; purchase modest versus >50 m-share family stake—governance impact limited.
The GRAT and trust distributions follow typical wealth-transfer strategies and do not change effective control. Kim’s disclaimer highlights complex ownership structure that may obscure exact economic exposure, a transparency consideration for investors. The additional Sujoda purchase marginally tightens insider alignment but does not materially alter voting dynamics. Governance risk profile remains unchanged.
Insider Trade Summary
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Gift | Common Stock | 438,002 | $0.00 | -- |
| Gift | Common Stock | 280,000 | $0.00 | -- |
| Gift | Common Stock | 438,002 | $0.00 | -- |
| Gift | Common Stock | 438,002 | $0.00 | -- |
| Gift | Common Stock | 280,000 | $0.00 | -- |
| Gift | Common Stock | 280,001 | $0.00 | -- |
| Purchase | Common Stock | 441,589 | $21.85 | $9.65M |
| holding | Common Stock | -- | -- | -- |
| holding | Common Stock | -- | -- | -- |
| holding | Common Stock | -- | -- | -- |
| holding | Common Stock | -- | -- | -- |
| holding | Common Stock | -- | -- | -- |
| holding | Common Stock | -- | -- | -- |
Footnotes (1)
- On August 1, 2025 the 2023 Grantor Retained Annuity Trust of James J. Kim Dated 4/26/2023 distributed 438,002 shares of the Common Stock of Amkor Technology, Inc. (the "Issuer") to the Reporting Person. 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. On August 1, 2025 the 2023 Grantor Retained Annuity Trust of Agnes C. Kim Dated 4/26/2023 distributed 280,000 shares of the Common Stock of the Issuer to the Reporting Person. On August 1, 2025, the 2023 Grantor Retained Annuity Trust of James J. Kim Dated 4/26/2023 distributed 438,002 shares of the Common Stock of the Issuer to John T. Kim and 438,002 shares of the Common Stock of the Issuer to the Reporting Person. 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; (Continued from Footnote 5) (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. On August 1, 2025, the 2023 Grantor Retained Annuity Trust of Agnes C. Kim Dated 4/26/2023 distributed 280,001 shares of the Common Stock of the Issuer to John T. Kim and 280,000 shares of the Common Stock of the Issuer to the Reporting Person. On August 1, 2025, James J. Kim distributed 441,589 shares of the Common Stock of the Issuer to Sujoda Investments, LP pursuant to the terms of a transaction between members of the Kim family group. 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.
