Lourdes Melgar) - 01 May 2026 Form 4 Insider Report for Smurfit Westrock plc (SW)

Reporting relationship: Director
Issuer ticker: SW
Reported as of: 01 May 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 05 May 2026, 12:50:47 UTC
Prior SEC filing: 20 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/ Ciara O'Riordan (attorney-in-fact-pursuant for Lourdes Melgar)

Key filing fact

Lourdes Melgar) filed Form 4 for Smurfit Westrock plc (SW) on 05 May 2026.

Key facts

This page summarizes Lourdes Melgar)'s Form 4 filing for Smurfit Westrock plc (SW).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 05 May 2026, 12:50.

Change

Previous filing in this sequence was filed on 20 Mar 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 0002029405 Primary reporting owner

Melgar Lourdes

Relationship: Director
Address: BEECH HILL, CLONSKEAGH, DUBLIN 4, IRELAND
Signature: /s/ Ciara O'Riordan (attorney-in-fact-pursuant for Lourdes Melgar)
Signature date: 05 May 2026

Reported non-derivative transactions

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

SW transaction

Ordinary Shares

Tax liability

Transaction value
Shares: -2,123
Change %: -34%
Price: $38.39^*
Shares after: 4,107
Date: 01 May 2026
Ownership: Direct
Footnotes: F1

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

Reflects ordinary shares of Smurfit Westrock plc withheld to satisfy the reporting persons tax withholding obligation upon vesting and settlement of their restricted stock units.