Laurent Sellier) - 14 Aug 2026 Form 4 Insider Report for Smurfit Westrock plc (SW)

Reporting relationship: President and Chief Executive Officer, North America (including Mexico)
Issuer ticker: SW
Reported as of: 14 Aug 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 18 Aug 2026, 11:43:12 UTC
Prior SEC filing: 12 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ Ciara O'Riordan (attorney-in-fact for Laurent Sellier)

Key filing fact

Laurent Sellier) filed Form 4 for Smurfit Westrock plc (SW) on 18 Aug 2026.

Key facts

This page summarizes Laurent Sellier)'s Form 4 filing for Smurfit Westrock plc (SW).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 18 Aug 2026, 11:43.

Change

Previous filing in this sequence was filed on 12 Jun 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002029274 Primary reporting owner

Sellier Laurent

Relationship: President and Chief Executive Officer, North America (including Mexico)
Address: BEECH HILL, CLONSKEAGH, DUBLIN 4, IRELAND
Signature: /s/ Ciara O'Riordan (attorney-in-fact for Laurent Sellier)
Signature date: 18 Aug 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

SW transaction

Ordinary Shares

Award

Transaction value
Shares: +234
Change %: +0.17%
Price: $0.000000^*
Shares after: 138,875
Date: 14 Aug 2026
Ownership: Direct
Footnotes: F1, F2

SW holding

Ordinary Shares

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 3,188
Date: 14 Aug 2026
Ownership: Shares held by spouse

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

In accordance with the terms of the restricted stock unit award, additional restricted stock units accrued as dividend equivalents based on the Issuer's quarterly dividend of $0.4523 per ordinary share, with such accrual determined as of the dividend record date. 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

Footnote F2

Includes 38,840 restricted stock unit awards. Each restricted stock unit represents a contingent right to receive one ordinary share. The RSUs are scheduled to vest in three equal annual installments beginning on the first anniversary of the grant date.

SEC remarks

President and Chief Executive Officer, North America (including Mexico)