Amkor director Susan Kim granted 2.5166 RSUs
KIM SUSAN Y reported acquisition or exercise transactions in this Form 4 filing.
Accepted by SEC EDGAR
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Form Type
4
Rhea-AI Filing Summary
KIM SUSAN Y reported acquisition or exercise transactions in this Form 4 filing.
AMKOR TECHNOLOGY, INC. director and 10% owner group member Susan Y. Kim reported updated holdings and a small equity award. The filing shows she received 2.5166 dividend equivalent units as additional restricted stock units, bringing her total RSUs to 2615.5166, all tied to Amkor common stock.
The report also details large indirect holdings through family trusts, grantor retained annuity trusts, and partnerships such as Sujochil, LP and Sujoda Investments, LP. She is treated as having a pecuniary interest in these Amkor shares but disclaims beneficial ownership beyond that pecuniary interest.
Insider Trade Summary
Grant/Award: 2.5166 shares
Grant/Award
1 txn
Insider
KIM SUSAN Y
Role
Director, 10% Owner
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Grant/Award | Restricted Stock Units | 2.5166 | $0.00 | $0.00 |
| Holding | Common Stock | -- | -- | -- |
| Holding | Common Stock | -- | -- | -- |
| Holding | Common Stock | -- | -- | -- |
| Holding | Common Stock | -- | -- | -- |
| Holding | Common Stock | -- | -- | -- |
| Holding | Common Stock | -- | -- | -- |
| Holding | Common Stock | -- | -- | -- |
| Holding | Common Stock | -- | -- | -- |
| Holding | Common Stock | -- | -- | -- |
Holdings After Transaction:
Restricted Stock Units — 2,615.5166 contracts (Direct);
Common Stock — 6,120,387 shares (Direct);
Common Stock — 3,244,594 shares (Indirect, 2025 Grantor Retained Annuity Trust No. 1 of James J. Kim);
Common Stock — 2,538,000 shares (Indirect, 2025 Grantor Retained Annuity Trust No. 1 of Agnes C. Kim);
Common Stock — 1,235,000 shares (Indirect, By James J. Kim 2024 GRAT dtd. 8/5/24);
Common Stock — 895,000 shares (Indirect, By Agnes C. Kim 2024 GRAT dtd. 8/5/24);
Common Stock — 1,124,000 shares (Indirect, By own GRATs);
Common Stock — 3,713,610 shares (Indirect, By trusts (excl. GRATs));
Common Stock — 3,789,479 shares (Indirect, By Sujoda Investments, LP);
Common Stock — 19,484,809 shares (Indirect, By Sujochil, LP)
Holdings Before and After:
Restricted Stock Units, 2,613 to 2,615.5166 contracts (Direct)
Footnotes (4)
- F1. 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 3,713,610 shares of the Common Stock of Amkor Technology, Inc. (the "Issuer"); (ii) a trustee of GRATs for the benefit of members of her immediate family which own 7,912,594 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 1,124,000 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; and (v) 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.
- F2. 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.
- F3. 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.
- F4. Represents dividend equivalent units ("DEUs") accrued upon the payment of a dividend on June 23, 2026 with respect to time-vested restricted stock units ("RSUs") of the Issuer granted to the Reporting Person on May 13, 2026. Each DEU represents an additional RSU subject to the same provisions as the RSU with respect to which the DEU was accrued.
Key Figures
New RSU DEUs granted: 2.5166 units
Total RSUs after grant: 2615.5166 units
Sujochil, LP holdings: 19,484,809 shares
+5 more
8 metrics
New RSU DEUs granted
2.5166 units
Dividend equivalent units credited on June 23, 2026
Total RSUs after grant
2615.5166 units
Restricted stock units linked to Amkor common stock
Sujochil, LP holdings
19,484,809 shares
Amkor common stock owned by Sujochil, LP
Sujoda Investments, LP holdings
3,789,479 shares
Amkor common stock owned by Sujoda Investments, LP
Family trusts (excl. GRATs)
3,713,610 shares
Amkor common stock owned by trusts for immediate family
Family GRATs holdings
7,912,594 shares
Amkor common stock owned by GRATs for family members
Own GRATs holdings
1,124,000 shares
Amkor common stock owned by GRATs she settled
Direct common stock holdings
6,120,387 shares
Common stock held directly following reported transactions
Key Terms
grantor retained annuity trusts ("GRATs"), dividend equivalent units ("DEUs"), restricted stock units ("RSUs"), pecuniary interest, +2 more
6 terms
grantor retained annuity trusts ("GRATs") financial
"trusts for the benefit of her immediate family members (other than grantor retained annuity trusts ("GRATs"))"
dividend equivalent units ("DEUs") financial
"Represents dividend equivalent units ("DEUs") accrued upon the payment of a dividend on June 23, 2026"
restricted stock units ("RSUs") financial
"with respect to time-vested restricted stock units ("RSUs") of the Issuer granted to the Reporting Person"
Restricted stock units (RSUs) are a company promise to give an employee shares of stock (or cash equivalent) in the future, but only after certain conditions—usually staying with the company for a set time or hitting performance goals—are met. Investors watch RSUs because when they vest they increase the number of shares outstanding and can lead insiders to sell shares, affecting share price, company dilution and the true cost of employee pay.
pecuniary interest financial
"Pursuant to the Form 4 instructions, the Reporting Person is being treated as having a pecuniary interest in all of such shares."
beneficial ownership financial
"The Reporting Person disclaims beneficial ownership of these securities, except to the extent of the Reporting Person's pecuniary interest therein"
Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.
Section 16 regulatory
"for purposes of Section 16 of the Securities Exchange Act of 1934, as amended ("Section 16"), or for any other purpose."
Section 16 is a U.S. securities law rule that governs the trading and disclosure obligations of company insiders — typically officers, directors and large shareholders — to promote transparency and deter unfair profit-taking. It requires insiders to publicly report their stock trades and allows companies or the issuer to reclaim quick, short-term profits from certain insider trades, like a scoreboard and a refund policy that help investors see and limit possible insider advantage.
FAQ
AI-generated questions and answers. How Rhea-AI works. Not financial advice.
What did Susan Y. Kim report in this Amkor (AMKR) Form 4 filing?
Susan Y. Kim reported updated ownership of Amkor common stock and a small equity award. She received 2.5166 dividend equivalent restricted stock units, increasing her total RSUs to 2615.5166, and detailed large indirect holdings through trusts and partnerships.
What indirect Amkor (AMKR) holdings does Susan Y. Kim have through trusts and GRATs?
The filing states trusts for her immediate family (excluding GRATs) own 3,713,610 Amkor shares. GRATs for family members own 7,912,594 shares, and GRATs she settled and is sole annuitant of own 1,124,000 shares, in which she is treated as having a pecuniary interest.
What are the 2.5166 dividend equivalent units reported for Amkor (AMKR)?
The 2.5166 units are dividend equivalent units credited on June 23, 2026 on existing time-vested RSUs granted May 13, 2026. Each unit represents an additional restricted stock unit subject to the same vesting terms as the original Amkor RSU grant.
Does Susan Y. Kim claim full beneficial ownership of all reported Amkor (AMKR) securities?
No. She expressly disclaims beneficial ownership of the reported securities except to the extent of her pecuniary interest. This disclaimer applies to shares held through trusts, GRATs, Sujochil, LP, and Sujoda Investments, LP for Section 16 and other purposes.
AI-generated analysis. How Rhea-AI works. Not financial advice.
