Colleen F. Arnold - 18 Dec 2025 Form 4 Insider Report for Smurfit Westrock plc (SW)

Role
Director
Signature
/s/ Ciara O'Riordan, attorney-in-fact for Colleen F. Arnold
Issuer symbol
SW
Transactions as of
18 Dec 2025
Net transactions value
$0
Form type
4
Filing time
19 Dec 2025, 11:56:30 UTC
Previous filing
22 Sep 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Arnold Colleen F. Director BEECH HILL, CLONSKEAGH, DUBLIN 4, IRELAND /s/ Ciara O'Riordan, attorney-in-fact for Colleen F. Arnold 19 Dec 2025 0001409123

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction SW Ordinary Shares Award $0 +346 +1.1% $0.000000 33,229 18 Dec 2025 Direct F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 In accordance with the terms of the restricted stock unit award, 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.
F2 Includes 4,371 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 26,968.96 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