Ken Bowles - 19 Feb 2026 Form 4 Insider Report for Smurfit Westrock plc (SW)

Role: Executive VP and Group CFO, Director
Signature: /s/ Ciara O'Riordan (attorney-in-fact for Ken Bowles)
Issuer symbol: SW
Transactions as of: 19 Feb 2026
Net transactions value: -$512,600
Form type: 4
Filing time: 20 Feb 2026, 12:07:49 UTC
Previous filing: 17 Feb 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Bowles Ken	Executive VP and Group CFO, Director	BEECH HILL, CLONSKEAGH, DUBLIN 4, IRELAND	/s/ Ciara O'Riordan (attorney-in-fact for Ken Bowles)	20 Feb 2026	0002026939

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	SW	Ordinary Shares	Sale	$512,600	-10,000	-6.2%	$51.26	151,644	19 Feb 2026	Direct	F1

* 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 $51.25 to $51.27. 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.

Content

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $51.25 to $51.27. 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.