Alvaro Henao - Sep 18, 2025 Form 4 Insider Report for Smurfit Westrock plc (SW)

Role: President and Chief Executive Officer, LATAM. Exhibit 24.1 Power of Attorney.
Signature: /s/ Ciara O'Riordan, attorney-in-fact for Alvaro Henao
Stock symbol: SW
Transactions as of: Sep 18, 2025
Transactions value $: $0
Form type: 4
Date filed: 9/22/2025, 09:22 AM
Previous filing: Jun 23, 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Henao Alvaro	President and Chief Executive Officer, LATAM. Exhibit 24.1 Power of Attorney.	BEECH HILL, CLONSKEAGH, DUBLIN 4, IRELAND	/s/ Ciara O'Riordan, attorney-in-fact for Alvaro Henao	2025-09-22	0002053658

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	SW	Ordinary Shares	Award	$0	+46	+0.09%	$0.00	49.2K	Sep 18, 2025	Direct	F1, F2

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	SW	Restricted Stock Units (PSP)	Award	$0	+354	+0.97%	$0.00	36.8K	Sep 18, 2025	Ordinary Shares	354		Direct	F1, F3

* 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 applicable 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.
F2	Includes 4,829 restricted stock units which are scheduled to vest in three equal annual installments beginning on March 11, 2026, the first anniversary of the grant date.
F3	The 36,846 restricted stock units vest and are settled as follows:(i) 18,007 restricted stock units in February 2026, (ii) and 18,839 restricted stock units in February 2027.

Remarks:

President and Chief Executive Officer, LATAM. Exhibit 24.1 Power of Attorney.