Smurfit Westrock plc

For the period ended Jun 30, 2026. Filed Jul 31, 2026.

About this filing

A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Jun 30, 2026 · Filed Jul 31, 2026

SW$44.19+0.2%Stored close · as of Nov 9, 2026

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Contents

Item 6. Exhibits

ExhibitNumber	Description of Exhibit
3.1	Amended Constitution of Smurfit Westrock plc (incorporated by reference to Exhibit 3.1 of the Company’s Current Report on Form 8-K filed on July 8, 2024).
10.1†	Amendment No. 6, dated as of June 18, 2026, to Eighth Amended and Restated Credit and Security Agreement, dated as of July 22, 2016, among Smurfit Westrock plc, various Smurfit Westrock plc subsidiaries, and Coöperatieve Rabobank, U.A.
10.2†#	Amended and Restated Offer Letter between Smurfit Westrock and Ben Garren, dated July 29, 2026.
22	List of Guarantor Subsidiaries and Issuers of Guaranteed Securities (incorporated by reference to Exhibit 22 of the Company’s Annual Report on Form 10-K filed on February 27, 2026).
31.1†	Certification of the Principal Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
31.2†	Certification of the Principal Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
32†*	Certification Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
101.INS	Inline XBRL Instance Document - the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document.**
101.SCH	Inline XBRL Taxonomy Extension Schema.**
101.CAL	Inline XBRL Taxonomy Extension Calculation Linkbase.**
101.DEF	Inline XBRL Taxonomy Extension Definition Document.**
101.LAB	Inline XBRL Taxonomy Extension Label Linkbase.**
101.PRE	Inline XBRL Taxonomy Extension Presentation Linkbase.**
104	Cover Page Interactive Data File––the cover page interactive data file does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document.

†Filed or furnished herewith.

#Management contract or compensatory plan or arrangement.

*The certification furnished in Exhibit 32 hereto is deemed to accompany this Quarterly Report on Form 10-Q and will not be

deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, except to the extent that the

Registrant specifically incorporates it by reference. Such certification will not be deemed to be incorporated by reference into

any filings under the Securities Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended, except to the

extent that the Registrant specifically incorporates it by reference.

**Submitted electronically herewith.

SIGNATURES

Under the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed by the

undersigned thereunto duly authorized.

	Smurfit Westrock plc
Dated: July 31, 2026		/s/ Anthony Smurfit
	Name:	Anthony Smurfit
	Title:	President & Chief Executive Officer
		(Principal Executive Officer)

	Smurfit Westrock plc
Dated: July 31, 2026		/s/ Ken Bowles
	Name:	Ken Bowles
	Title:	Executive Vice President & Chief Financial Officer
		(Principal Financial Officer)

ContentsView on SEC.gov

The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.