Anthony P. J. Smurfit - 19 Feb 2026 Form 4 Insider Report for Smurfit Westrock plc (SW)

Role: President and Group CEO, Director
Signature: /s/ Ciara O'Riordan (attorney-in-fact for Anthony Smurfit)
Issuer symbol: SW
Transactions as of: 19 Feb 2026
Net transactions value: -$2,061,600
Form type: 4
Filing time: 20 Feb 2026, 12:07:38 UTC
Previous filing: 17 Feb 2026
Next filing: 13 Mar 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
SMURFIT ANTHONY P J	President and Group CEO, Director	BEECH HILL, CLONSKEAGH, DUBLIN, IRELAND	/s/ Ciara O'Riordan (attorney-in-fact for Anthony Smurfit)	20 Feb 2026	0001133264

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	SW	Ordinary Shares	Sale	$2,061,600	-40,000	-2.4%	$51.54	1,642,610	19 Feb 2026	Direct	F1
holding	SW	Ordinary Shares						1,000	19 Feb 2026	See footnote	F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $51.48 to $51.61. The reporting person undertakes to provide to Smurfit Westrock plc (the Company), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (1) to this Form 4.
F2	These shares are held by the Reporting Person's child who is part of the Reporting Person's household. The Reporting Person disclaims ownership of the shares held by this child, and this report is not an admission that the Reporting Person is the beneficial owner of these shares for the purposes of Section 16 or for any other purposes.

Content

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $51.48 to $51.61. The reporting person undertakes to provide to Smurfit Westrock plc (the Company), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (1) to this Form 4.

These shares are held by the Reporting Person's child who is part of the Reporting Person's household. The Reporting Person disclaims ownership of the shares held by this child, and this report is not an admission that the Reporting Person is the beneficial owner of these shares for the purposes of Section 16 or for any other purposes.