STOCK TITAN

[Form 4] Amkor Technology Inc Insider Trading Activity

Filing Impact
(High)
Filing Sentiment
(Very Positive)
Form Type
4

Form 4 filing for Amkor Technology (AMKR) discloses that Sujoda Investments, LP—an entity affiliated with the Kim family group—received 441,589 shares of AMKR common stock on 1-Aug-2025. The shares were transferred at a stated price of $21.85 per share and are coded “P,” indicating a purchase/distribution under Section 16 rules.

Following the transaction, Sujoda’s direct holdings rose to 3,789,479 shares. The filing states that the distribution was made by James J. Kim to Sujoda pursuant to an intra-family agreement; Sujoda’s general partner is Sujoda Management, LLC. The filing also clarifies that Sujoda does not concede beneficial ownership of securities held by other members of the Kim family group.

No derivative securities were reported, and no 10b5-1 trading plan was indicated. The change increases Sujoda’s position by roughly 13% versus its immediately prior holding, modestly tightening insider ownership concentration but without altering control status.

La comunicazione del Modulo 4 per Amkor Technology (AMKR) rivela che Sujoda Investments, LP—un'entità collegata al gruppo familiare Kim—ha ricevuto 441.589 azioni di azioni ordinarie AMKR il 1 agosto 2025. Le azioni sono state trasferite a un prezzo dichiarato di 21,85 $ per azione e sono classificate come “P,” indicando un acquisto/distribuzione ai sensi delle regole della Sezione 16.

Dopo la transazione, le partecipazioni dirette di Sujoda sono salite a 3.789.479 azioni. Il documento specifica che la distribuzione è stata effettuata da James J. Kim a Sujoda in base a un accordo intra-familiare; il socio accomandatario di Sujoda è Sujoda Management, LLC. Viene inoltre chiarito che Sujoda non rivendica la proprietà effettiva dei titoli detenuti da altri membri del gruppo familiare Kim.

Non sono stati segnalati titoli derivati né piani di trading 10b5-1. La variazione aumenta la posizione di Sujoda di circa il 13% rispetto alla partecipazione precedente, concentrando leggermente la proprietà interna senza modificare lo status di controllo.

La presentación del Formulario 4 para Amkor Technology (AMKR) revela que Sujoda Investments, LP—una entidad afiliada al grupo familiar Kim—recibió 441,589 acciones de acciones comunes de AMKR el 1 de agosto de 2025. Las acciones fueron transferidas a un precio declarado de $21.85 por acción y están codificadas como “P,” lo que indica una compra/distribución bajo las normas de la Sección 16.

Tras la transacción, las tenencias directas de Sujoda aumentaron a 3,789,479 acciones. La presentación indica que la distribución fue realizada por James J. Kim a Sujoda conforme a un acuerdo intra-familiar; el socio general de Sujoda es Sujoda Management, LLC. También se aclara que Sujoda no reclama la propiedad beneficiaria de los valores que poseen otros miembros del grupo familiar Kim.

No se reportaron valores derivados ni se indicó un plan de negociación 10b5-1. El cambio incrementa la posición de Sujoda en aproximadamente un 13% respecto a su participación inmediata anterior, concentrando modestamente la propiedad interna sin alterar el estado de control.

Amkor Technology (AMKR)의 Form 4 제출에 따르면, 김 가족 그룹과 관련된 법인인 Sujoda Investments, LP2025년 8월 1일에 AMKR 보통주 441,589주를 받았습니다. 주당 명시된 가격은 $21.85이며, 이는 섹션 16 규정에 따른 매수/배분임을 나타내는 “P” 코드로 표시되었습니다.

거래 후 Sujoda의 직접 보유 주식은 3,789,479주로 증가했습니다. 제출 서류에는 이 배분이 James J. Kim에 의해 가족 내 합의에 따라 Sujoda에 이루어졌으며, Sujoda의 일반 파트너는 Sujoda Management, LLC임이 명시되어 있습니다. 또한 Sujoda는 김 가족 그룹 내 다른 구성원이 보유한 증권에 대한 실질적 소유권을 주장하지 않는다고 명확히 했습니다.

파생 증권은 보고되지 않았으며, 10b5-1 거래 계획도 없었습니다. 이번 변경으로 Sujoda의 지분이 이전 보유량 대비 약 13% 증가하여 내부자 소유 집중도가 다소 높아졌으나 지배권 상태에는 변화가 없습니다.

Le dépôt du formulaire 4 pour Amkor Technology (AMKR) révèle que Sujoda Investments, LP—une entité affiliée au groupe familial Kim—a reçu 441 589 actions ordinaires AMKR le 1er août 2025. Les actions ont été transférées à un prix déclaré de 21,85 $ par action et sont codées « P », indiquant un achat/distribution selon les règles de la Section 16.

Suite à la transaction, les participations directes de Sujoda ont augmenté à 3 789 479 actions. Le dépôt précise que la distribution a été effectuée par James J. Kim à Sujoda conformément à un accord intra-familial ; le commandité de Sujoda est Sujoda Management, LLC. Il est également précisé que Sujoda ne revendique pas la propriété bénéficiaire des titres détenus par d'autres membres du groupe familial Kim.

Aucun titre dérivé n'a été déclaré, et aucun plan de négociation 10b5-1 n'a été indiqué. Ce changement augmente la position de Sujoda d'environ 13 % par rapport à sa détention précédente, concentrant légèrement la propriété interne sans modifier le statut de contrôle.

Die Form 4-Meldung für Amkor Technology (AMKR) zeigt, dass Sujoda Investments, LP—eine mit der Kim-Familiengruppe verbundene Einheit—am 1. August 2025 441.589 Aktien der AMKR-Stammaktien erhalten hat. Die Aktien wurden zu einem angegebenen Preis von 21,85 $ pro Aktie übertragen und sind mit „P“ gekennzeichnet, was auf einen Kauf/Verteilung gemäß Abschnitt 16 hinweist.

Nach der Transaktion stiegen Sujodas Direktbestände auf 3.789.479 Aktien. Die Meldung besagt, dass die Verteilung von James J. Kim an Sujoda gemäß einer innerfamiliären Vereinbarung erfolgte; der Komplementär von Sujoda ist Sujoda Management, LLC. Es wird außerdem klargestellt, dass Sujoda kein wirtschaftliches Eigentum an Wertpapieren beansprucht, die von anderen Mitgliedern der Kim-Familiengruppe gehalten werden.

Es wurden keine derivativen Wertpapiere gemeldet und kein 10b5-1-Handelsplan angegeben. Die Änderung erhöht Sujodas Position um etwa 13 % gegenüber dem vorherigen Bestand, was die Insider-Besitzkonzentration leicht erhöht, aber den Kontrollstatus nicht verändert.

Positive
  • Increased insider ownership may signal continued confidence and long-term alignment by the founding Kim family.
Negative
  • None.

Insights

TL;DR: Insider entity adds 441k AMKR shares, raising stake to 3.79 M; transaction appears intra-family and not open-market.

The filing shows additional accumulation by the Kim family group, historically the company’s largest shareholder. Although labeled code “P,” the narrative describes a family distribution rather than a market purchase, so no immediate cash inflow/outflow for the issuer. Still, the net effect is a higher concentrated holding under Sujoda Investments. Such transfers are generally neutral to fundamentals but signal continued long-term alignment by the founding family. With no sale disclosed, the market should not view this as insider selling pressure. There is minimal short-term valuation impact; however, sustained high insider ownership can influence governance dynamics.

TL;DR: Governance impact limited; intra-group shift keeps insider control stable.

The Kim family already exerts significant influence over Amkor. Moving 441,589 shares from James J. Kim to Sujoda reallocates, but does not dilute, that influence. The filing’s disclaimer that Sujoda is not admitting group beneficial ownership maintains existing Section 13D interpretations. No Board changes or voting agreements accompany the transfer, so governance risk profile remains unchanged. Investors should monitor cumulative insider holdings, now incrementally higher under Sujoda, for any future control transactions or potential liquidity events.

La comunicazione del Modulo 4 per Amkor Technology (AMKR) rivela che Sujoda Investments, LP—un'entità collegata al gruppo familiare Kim—ha ricevuto 441.589 azioni di azioni ordinarie AMKR il 1 agosto 2025. Le azioni sono state trasferite a un prezzo dichiarato di 21,85 $ per azione e sono classificate come “P,” indicando un acquisto/distribuzione ai sensi delle regole della Sezione 16.

Dopo la transazione, le partecipazioni dirette di Sujoda sono salite a 3.789.479 azioni. Il documento specifica che la distribuzione è stata effettuata da James J. Kim a Sujoda in base a un accordo intra-familiare; il socio accomandatario di Sujoda è Sujoda Management, LLC. Viene inoltre chiarito che Sujoda non rivendica la proprietà effettiva dei titoli detenuti da altri membri del gruppo familiare Kim.

Non sono stati segnalati titoli derivati né piani di trading 10b5-1. La variazione aumenta la posizione di Sujoda di circa il 13% rispetto alla partecipazione precedente, concentrando leggermente la proprietà interna senza modificare lo status di controllo.

La presentación del Formulario 4 para Amkor Technology (AMKR) revela que Sujoda Investments, LP—una entidad afiliada al grupo familiar Kim—recibió 441,589 acciones de acciones comunes de AMKR el 1 de agosto de 2025. Las acciones fueron transferidas a un precio declarado de $21.85 por acción y están codificadas como “P,” lo que indica una compra/distribución bajo las normas de la Sección 16.

Tras la transacción, las tenencias directas de Sujoda aumentaron a 3,789,479 acciones. La presentación indica que la distribución fue realizada por James J. Kim a Sujoda conforme a un acuerdo intra-familiar; el socio general de Sujoda es Sujoda Management, LLC. También se aclara que Sujoda no reclama la propiedad beneficiaria de los valores que poseen otros miembros del grupo familiar Kim.

No se reportaron valores derivados ni se indicó un plan de negociación 10b5-1. El cambio incrementa la posición de Sujoda en aproximadamente un 13% respecto a su participación inmediata anterior, concentrando modestamente la propiedad interna sin alterar el estado de control.

Amkor Technology (AMKR)의 Form 4 제출에 따르면, 김 가족 그룹과 관련된 법인인 Sujoda Investments, LP2025년 8월 1일에 AMKR 보통주 441,589주를 받았습니다. 주당 명시된 가격은 $21.85이며, 이는 섹션 16 규정에 따른 매수/배분임을 나타내는 “P” 코드로 표시되었습니다.

거래 후 Sujoda의 직접 보유 주식은 3,789,479주로 증가했습니다. 제출 서류에는 이 배분이 James J. Kim에 의해 가족 내 합의에 따라 Sujoda에 이루어졌으며, Sujoda의 일반 파트너는 Sujoda Management, LLC임이 명시되어 있습니다. 또한 Sujoda는 김 가족 그룹 내 다른 구성원이 보유한 증권에 대한 실질적 소유권을 주장하지 않는다고 명확히 했습니다.

파생 증권은 보고되지 않았으며, 10b5-1 거래 계획도 없었습니다. 이번 변경으로 Sujoda의 지분이 이전 보유량 대비 약 13% 증가하여 내부자 소유 집중도가 다소 높아졌으나 지배권 상태에는 변화가 없습니다.

Le dépôt du formulaire 4 pour Amkor Technology (AMKR) révèle que Sujoda Investments, LP—une entité affiliée au groupe familial Kim—a reçu 441 589 actions ordinaires AMKR le 1er août 2025. Les actions ont été transférées à un prix déclaré de 21,85 $ par action et sont codées « P », indiquant un achat/distribution selon les règles de la Section 16.

Suite à la transaction, les participations directes de Sujoda ont augmenté à 3 789 479 actions. Le dépôt précise que la distribution a été effectuée par James J. Kim à Sujoda conformément à un accord intra-familial ; le commandité de Sujoda est Sujoda Management, LLC. Il est également précisé que Sujoda ne revendique pas la propriété bénéficiaire des titres détenus par d'autres membres du groupe familial Kim.

Aucun titre dérivé n'a été déclaré, et aucun plan de négociation 10b5-1 n'a été indiqué. Ce changement augmente la position de Sujoda d'environ 13 % par rapport à sa détention précédente, concentrant légèrement la propriété interne sans modifier le statut de contrôle.

Die Form 4-Meldung für Amkor Technology (AMKR) zeigt, dass Sujoda Investments, LP—eine mit der Kim-Familiengruppe verbundene Einheit—am 1. August 2025 441.589 Aktien der AMKR-Stammaktien erhalten hat. Die Aktien wurden zu einem angegebenen Preis von 21,85 $ pro Aktie übertragen und sind mit „P“ gekennzeichnet, was auf einen Kauf/Verteilung gemäß Abschnitt 16 hinweist.

Nach der Transaktion stiegen Sujodas Direktbestände auf 3.789.479 Aktien. Die Meldung besagt, dass die Verteilung von James J. Kim an Sujoda gemäß einer innerfamiliären Vereinbarung erfolgte; der Komplementär von Sujoda ist Sujoda Management, LLC. Es wird außerdem klargestellt, dass Sujoda kein wirtschaftliches Eigentum an Wertpapieren beansprucht, die von anderen Mitgliedern der Kim-Familiengruppe gehalten werden.

Es wurden keine derivativen Wertpapiere gemeldet und kein 10b5-1-Handelsplan angegeben. Die Änderung erhöht Sujodas Position um etwa 13 % gegenüber dem vorherigen Bestand, was die Insider-Besitzkonzentration leicht erhöht, aber den Kontrollstatus nicht verändert.

SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number: 3235-0287
Estimated average burden
hours per response: 0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
SUJODA Investments, LP

(Last) (First) (Middle)
C/O SIANA CARR O'CONNOR & LYNAM
1500 EAST LANCASTER AVENUE

(Street)
PAOLI PA 19301-9713

(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
AMKOR TECHNOLOGY, INC. [ AMKR ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
Officer (give title below) X Other (specify below)
Member of 10% owner group (2)
3. Date of Earliest Transaction (Month/Day/Year)
08/01/2025
4. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 08/01/2025 P 441,589(1) A $21.85 3,789,479 D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Explanation of Responses:
1. On August 1, 2025, James J. Kim distributed 441,589 shares of the Common Stock of Amkor Technology, Inc. (the "Issuer") to the Reporting Person pursuant to the terms of a transaction between members of the Kim family group. The general partner of the Reporting Person is Sujoda Management, LLC.
Remarks:
(2) The Reporting Person states that the filing of this Form 4 shall not be deemed an admission that the Reporting Person is the beneficial owner of the reported securities owned by the other members of the group, for the purpose of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.
/s/ Brian D. Short, Attorney-in-Fact 08/05/2025
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

How many AMKR shares did Sujoda Investments acquire on 1-Aug-2025?

Sujoda received 441,589 common shares of Amkor Technology.

What is Sujoda Investments' total AMKR holding after the transaction?

The entity now holds 3,789,479 shares directly.

Was the transaction an open-market purchase?

No. The filing notes the shares were distributed by James J. Kim as part of an intra-family arrangement.

Did Sujoda file under a Rule 10b5-1 plan?

The Form 4 does not indicate that the transaction was made pursuant to a 10b5-1 trading plan.

Does the transfer change insider control of Amkor Technology?

Control remains with the Kim family group; the transfer merely reallocates shares within the group.
Amkor Tech

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