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STOCK TITAN

[Form 4] Smurfit Westrock plc Insider Trading Activity

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4
Rhea-AI Filing Summary

Smurfit Westrock (NYSE:SW) filed a routine Form 4 disclosing that director Colleen F. Arnold acquired 308.747 ordinary shares on 06/18/2025. The shares represent dividend-equivalent restricted stock units credited at a cost basis of $0.00 per share under the company’s non-employee director deferred-compensation plan. Following the transaction, Arnold beneficially owns 32,585.844 shares, including 4,282 unvested RSUs scheduled to vest by May 2026 and 26,414.844 fully vested RSUs deferred until board service ends.

No shares were sold, and the transaction equals roughly 1 % of the director’s holdings—well below materiality thresholds for insider activity.

Smurfit Westrock (NYSE:SW) ha presentato un modulo Form 4 di routine, comunicando che la direttrice Colleen F. Arnold ha acquisito 308.747 azioni ordinarie il 18/06/2025. Le azioni rappresentano unità azionarie vincolate equivalenti a dividendi, attribuite con un costo base di $0,00 per azione nell'ambito del piano di compensazione differita per direttori non dipendenti della società. Dopo questa operazione, Arnold detiene beneficiariamente 32.585,844 azioni, incluse 4.282 RSU non maturate che dovrebbero maturare entro maggio 2026 e 26.414,844 RSU completamente maturate, ma differite fino alla fine del servizio nel consiglio.

Non sono state vendute azioni, e la transazione corrisponde a circa l�1% delle partecipazioni della direttrice, ben al di sotto delle soglie di rilevanza per attività da insider.

Smurfit Westrock (NYSE:SW) presentó un Formulario 4 rutinario informando que la directora Colleen F. Arnold ܾó 308.747 acciones ordinarias el 18/06/2025. Las acciones representan unidades restringidas equivalentes a dividendos acreditadas con un costo base de $0.00 por acción bajo el plan de compensación diferida para directores no empleados de la compañía. Tras la transacción, Arnold posee beneficiosamente 32,585.844 acciones, incluyendo 4,282 RSU no adquiridas que se espera se liberen para mayo de 2026 y 26,414.844 RSU completamente adquiridas, pero diferidas hasta que termine su servicio en la junta.

No se vendieron acciones, y la transacción equivale aproximadamente al 1% de las participaciones de la directora, muy por debajo de los umbrales de materialidad para actividades de insiders.

Smurfit Westrock (NYSE:SW)� 정기 Form 4� 제출하여 이사 Colleen F. Arnold가 2025� 6� 18일에 308,747 보통�� 취득했다� 공시했습니다. � 주식들은 회사� 비임� 이사 연기 보상 계획� 따라 주당 $0.00� 원가 기준으로 부여된 배당� 상당 제한 주식 단위입니�. 거래 � Arnold� 4,282개의 미확� RSU(2026� 5월까지 확정 예정)와 26,414.844개의 완전 확정 RSU(이사� 서비� 종료 시까지 연기)� 포함하여 � 32,585.844�� 실질적으� 보유하고 있습니다.

주식은 매도되지 않았으며, 이번 거래� 이사 보유 주식� � 1%� 해당하여 내부� 거래� 중요� 기준� 훨씬 � 미칩니다.

Smurfit Westrock (NYSE:SW) a déposé un formulaire Form 4 de routine indiquant que la directrice Colleen F. Arnold a acquis 308 747 actions ordinaires le 18/06/2025. Ces actions représentent des unités d'actions restreintes équivalentes à des dividendes, créditées à un coût de base de 0,00 $ par action dans le cadre du plan de rémunération différée pour les administrateurs non salariés de la société. Suite à cette transaction, Arnold détient bénéficiairement 32 585,844 actions, dont 4 282 RSU non acquises devant être acquises d'ici mai 2026 et 26 414,844 RSU entièrement acquises mais différées jusqu'à la fin de son mandat au conseil.

Aucune action n'a été vendue, et la transaction représente environ 1 % des avoirs de la directrice, bien en dessous des seuils de matérialité pour les activités d'initiés.

Smurfit Westrock (NYSE:SW) reichte routinemäßig ein Formular 4 ein und gab bekannt, dass die Direktorin Colleen F. Arnold am 18.06.2025 308.747 Stammaktien erworben hat. Die Aktien stellen dividendenäquivalente Restricted Stock Units dar, die zu einem Anschaffungskostenbasis von $0,00 pro Aktie im Rahmen des aufgeschobenen Vergütungsplans für nicht angestellte Direktoren des Unternehmens gutgeschrieben wurden. Nach der Transaktion besitzt Arnold wirtschaftlich 32.585,844 Aktien, darunter 4.282 unverfallbare RSUs, die bis Mai 2026 fällig werden, sowie 26.414,844 vollständig unverfallbare RSUs, die bis zum Ende ihrer Vorstandsmitgliedschaft aufgeschoben sind.

Es wurden keine Aktien verkauft, und die Transaktion entspricht etwa 1% des Aktienbestands der Direktorin � deutlich unter den Wesentlichkeitsschwellen für Insideraktivitäten.

Positive
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Smurfit Westrock (NYSE:SW) ha presentato un modulo Form 4 di routine, comunicando che la direttrice Colleen F. Arnold ha acquisito 308.747 azioni ordinarie il 18/06/2025. Le azioni rappresentano unità azionarie vincolate equivalenti a dividendi, attribuite con un costo base di $0,00 per azione nell'ambito del piano di compensazione differita per direttori non dipendenti della società. Dopo questa operazione, Arnold detiene beneficiariamente 32.585,844 azioni, incluse 4.282 RSU non maturate che dovrebbero maturare entro maggio 2026 e 26.414,844 RSU completamente maturate, ma differite fino alla fine del servizio nel consiglio.

Non sono state vendute azioni, e la transazione corrisponde a circa l�1% delle partecipazioni della direttrice, ben al di sotto delle soglie di rilevanza per attività da insider.

Smurfit Westrock (NYSE:SW) presentó un Formulario 4 rutinario informando que la directora Colleen F. Arnold ܾó 308.747 acciones ordinarias el 18/06/2025. Las acciones representan unidades restringidas equivalentes a dividendos acreditadas con un costo base de $0.00 por acción bajo el plan de compensación diferida para directores no empleados de la compañía. Tras la transacción, Arnold posee beneficiosamente 32,585.844 acciones, incluyendo 4,282 RSU no adquiridas que se espera se liberen para mayo de 2026 y 26,414.844 RSU completamente adquiridas, pero diferidas hasta que termine su servicio en la junta.

No se vendieron acciones, y la transacción equivale aproximadamente al 1% de las participaciones de la directora, muy por debajo de los umbrales de materialidad para actividades de insiders.

Smurfit Westrock (NYSE:SW)� 정기 Form 4� 제출하여 이사 Colleen F. Arnold가 2025� 6� 18일에 308,747 보통�� 취득했다� 공시했습니다. � 주식들은 회사� 비임� 이사 연기 보상 계획� 따라 주당 $0.00� 원가 기준으로 부여된 배당� 상당 제한 주식 단위입니�. 거래 � Arnold� 4,282개의 미확� RSU(2026� 5월까지 확정 예정)와 26,414.844개의 완전 확정 RSU(이사� 서비� 종료 시까지 연기)� 포함하여 � 32,585.844�� 실질적으� 보유하고 있습니다.

주식은 매도되지 않았으며, 이번 거래� 이사 보유 주식� � 1%� 해당하여 내부� 거래� 중요� 기준� 훨씬 � 미칩니다.

Smurfit Westrock (NYSE:SW) a déposé un formulaire Form 4 de routine indiquant que la directrice Colleen F. Arnold a acquis 308 747 actions ordinaires le 18/06/2025. Ces actions représentent des unités d'actions restreintes équivalentes à des dividendes, créditées à un coût de base de 0,00 $ par action dans le cadre du plan de rémunération différée pour les administrateurs non salariés de la société. Suite à cette transaction, Arnold détient bénéficiairement 32 585,844 actions, dont 4 282 RSU non acquises devant être acquises d'ici mai 2026 et 26 414,844 RSU entièrement acquises mais différées jusqu'à la fin de son mandat au conseil.

Aucune action n'a été vendue, et la transaction représente environ 1 % des avoirs de la directrice, bien en dessous des seuils de matérialité pour les activités d'initiés.

Smurfit Westrock (NYSE:SW) reichte routinemäßig ein Formular 4 ein und gab bekannt, dass die Direktorin Colleen F. Arnold am 18.06.2025 308.747 Stammaktien erworben hat. Die Aktien stellen dividendenäquivalente Restricted Stock Units dar, die zu einem Anschaffungskostenbasis von $0,00 pro Aktie im Rahmen des aufgeschobenen Vergütungsplans für nicht angestellte Direktoren des Unternehmens gutgeschrieben wurden. Nach der Transaktion besitzt Arnold wirtschaftlich 32.585,844 Aktien, darunter 4.282 unverfallbare RSUs, die bis Mai 2026 fällig werden, sowie 26.414,844 vollständig unverfallbare RSUs, die bis zum Ende ihrer Vorstandsmitgliedschaft aufgeschoben sind.

Es wurden keine Aktien verkauft, und die Transaktion entspricht etwa 1% des Aktienbestands der Direktorin � deutlich unter den Wesentlichkeitsschwellen für Insideraktivitäten.

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*
Arnold Colleen F.

(Last) (First) (Middle)
BEECH HILL
CLONSKEAGH

(Street)
DUBLIN 4 L2 D04N2R2

(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
Smurfit Westrock plc [ SW ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
X Director 10% Owner
Officer (give title below) Other (specify below)
3. Date of Earliest Transaction (Month/Day/Year)
06/18/2025
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
Ordinary Shares 06/18/2025 A 308.747 A $0(1) 32,585.844(2) 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. In accordance with the terms of outstanding restricted stock units, additional restricted stock units accrued as dividend equivalents in connection with the Issuer's payment of a quarterly dividend of $0.4308 per ordinary share. Such additional restricted stock units are subject to the same terms and conditions as the underlying award. Each restricted stock unit represents the right to receive one ordinary share.
2. Includes 4,282 restricted stock units which are scheduled to vest on the earlier of (i) May 2,2026 or (ii) the date of the next annual meeting of Smurfit Westrock plc's stockholders and 26,414.844 fully vested restricted stock units that will be settled in ordinary shares following the Reporting Person's cessation of service as a member of the Issuer's board of directors in accordance with the terms of the WestRock Company 2016 Deferred Compensation Plan for Non-Employee Directors.
/s/ Ciara O'Riordan, attorney-in-fact-pursuant for Colleen F. Arnold 06/23/2025
** 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 Smurfit Westrock shares did director Colleen F. Arnold acquire on 06/18/2025?

The Form 4 shows an acquisition of 308.747 ordinary shares credited as dividend-equivalent restricted stock units.

What is Colleen F. Arnold’s total beneficial ownership after the reported transaction?

After the acquisition, Arnold beneficially owns 32,585.844 ordinary shares, including vested and unvested RSUs.
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