Official announcements (8-K)

Shared financial results (Item 2.02)

New results: figures on this page will update when the full quarterly or annual report is filed.

In the company's wordsOn October 28, 2026, Smurfit Westrock plc (the “Company”) issued a press release announcing the financial results for the third quarter ended September 30, 2026. The press release is furnished as Exhibit 99.1 and is incorporated into this Item 2.02 by reference. The information provided pursuant to this Item 2.02, including Exhibit 99.1, is being “furnished” and shall not be deemed “filed” hereunder for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or incorporated by reference in any filing under the Securities Act of 1933, as amended (the “Securities Act”), or the Exchange Act, except as shall be expressly set forth by …

Shared information with investors (Item 7.01)

Information shared with investors, often a presentation or press release.

In the company's wordsOn October 28, 2026, the Company will host a conference call during which it will discuss the Company’s financial results for the third quarter ended September 30, 2026. The presentation to be used in connection with the conference call is attached as Exhibit 99.2. The information provided pursuant to this Item 7.01, including Exhibit 99.2, is being “furnished” and shall not be deemed “filed” hereunder for purposes of Section 18 of the Exchange Act or incorporated by reference in any filing under the Securities Act or the Exchange Act, except as shall be expressly set forth by specific reference in any such filings.

Shared financial results (Item 2.02)

New results: figures on this page will update when the full quarterly or annual report is filed.

In the company's wordsOn July 29, 2026, Smurfit Westrock plc (the “Company”) issued a press release announcing the financial results for the second quarter ended June 30, 2026. The press release is furnished as Exhibit 99.1 and is incorporated into this Item 2.02 by reference. The information provided pursuant to this Item 2.02, including Exhibit 99.1, is being “furnished” and shall not be deemed “filed” hereunder for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or incorporated by reference in any filing under the Securities Act of 1933, as amended (the “Securities Act”), or the Exchange Act, except as shall be expressly set forth by specific …

Shared information with investors (Item 7.01)

Information shared with investors, often a presentation or press release.

In the company's wordsOn July 29, 2026, the Company will host a conference call during which it will discuss the Company’s financial results for the second quarter ended June 30, 2026. The presentation to be used in connection with the conference call is attached as Exhibit 99.2. The information provided pursuant to this Item 7.01, including Exhibit 99.2, is being “furnished” and shall not be deemed “filed” hereunder for purposes of Section 18 of the Exchange Act or incorporated by reference in any filing under the Securities Act or the Exchange Act, except as shall be expressly set forth by specific reference in any such filings.

Shared shareholder vote results (Item 5.07)

How shareholders voted on board members and proposals.

In the company's wordsOn May 1, 2026, Smurfit Westrock plc (the “Company”) held its 2026 annual general meeting of shareholders (the “Annual General Meeting”). The Company’s shareholders voted to approve the election of each director nominee named in proposal 1 and approved each of proposals 2 through 6 considered at the Annual General Meeting. The following chart sets forth the number and percentage of votes cast for and against, and the number of abstention votes and broker non-votes, with respect to each proposal voted upon by the Company’s shareholders (proposal numbers correspond to the proposal numbers used in the Company’s definitive proxy statement for the Annual General Meeting, filed …

Shared financial results (Item 2.02)

New results: figures on this page will update when the full quarterly or annual report is filed.

In the company's wordsOn April 30, 2026, Smurfit Westrock plc (the “Company”) issued a press release announcing the financial results for the first quarter ended March 31, 2026. The press release is furnished as Exhibit 99.1 and is incorporated into this Item 2.02 by reference. The information provided pursuant to this Item 2.02, including Exhibit 99.1, is being “furnished” and shall not be deemed “filed” hereunder for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or incorporated by reference in any filing under the Securities Act of 1933, as amended (the “Securities Act”), or the Exchange Act, except as shall be expressly set forth by specific …

Shared information with investors (Item 7.01)

Information shared with investors, often a presentation or press release.

In the company's wordsOn April 30, 2026, the Company will host a conference call during which it will discuss the Company’s financial results for the first quarter ended March 31, 2026. The presentation to be used in connection with the conference call is attached as Exhibit 99.2. The information provided pursuant to this Item 7.01, including Exhibit 99.2, is being “furnished” and shall not be deemed “filed” hereunder for purposes of Section 18 of the Exchange Act or incorporated by reference in any filing under the Securities Act or the Exchange Act, except as shall be expressly set forth by specific reference in any such filings.

Change in its leaders or board (Item 5.02)

New leaders or board members can bring a change in strategy.

In the company's wordsOn February 25, 2026, Terrell K. Crews and Lourdes Melgar, members of the Board of Directors (the “Board”) of Smurfit Westrock plc (the “Company”), notified the Company that they will be stepping down from the Board, effective as of the conclusion of the Company’s 2026 Annual General Meeting of Shareholders, which is currently scheduled for May 1, 2026, at which time the size of the Board will be decreased to 12 directors. Neither Terrell’s nor Lourdes’s decision to resign was related to any disagreement with the Company relative to their departures or to any matters relating to the Company’s operations, policies, or practices. The Board and the Company thank Terrell and …

Shared financial results (Item 2.02)

New results: figures on this page will update when the full quarterly or annual report is filed.

In the company's wordsOn February 11, 2026, Smurfit Westrock plc (the “Company”) issued a press release announcing the financial results for the fourth quarter and full year ended December 31, 2025. The earnings press release is furnished as Exhibit 99.1 and is incorporated into this Item 2.02 by reference. The information provided pursuant to this Item 2.02, including Exhibit 99.1, is being “furnished” and shall not be deemed “filed” hereunder for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or incorporated by reference in any filing under the Securities Act of 1933, as amended (the “Securities Act”), or the Exchange Act, except as shall be …

Shared information with investors (Item 7.01)

Information shared with investors, often a presentation or press release.

In the company's wordsIn addition, on February 11, 2026, the Company issued a press release announcing 2030 financial targets and capital allocation priorities in connection with its medium-term plan (the “Medium-Term Plan”). The Medium-Term Plan-related press release is furnished as Exhibit 99.2 and is incorporated into this Item 7.01 by reference. On February 11, 2026, the Company will host a conference call during which it will discuss the Company’s financial results for the fourth quarter and full year ended December 31, 2025, together with an update for investors on its Medium-Term Plan. The presentations to be used in connection with the earnings and Medium-Term Plan conference call are …

Took on a major new debt or obligation (Item 2.03)

New borrowing adds to what the company owes and the interest it pays.

In the company's wordsOn November 21, 2025, Smurfit Westrock Financing Designated Activity Company (“SWF”), a designated activity company incorporated under the laws of Ireland and a wholly-owned direct subsidiary of Smurfit Westrock plc (“Smurfit Westrock”), a public limited company incorporated under the laws of Ireland, issued $800 million in aggregate principal amount of 5.185% senior notes due 2036 (the “USD Notes”) pursuant to an indenture, dated as of November 21, 2025 (the “Base Indenture”), as supplemented by an officers’ certificate dated November 21, 2025 (the “USD Officers’ Certificate”), among SWF, the USD Guarantors (as defined below) and Deutsche Bank Trust Company Americas, as …

Announced another event (Item 8.01)

Another event the company chose to report publicly.

In the company's wordsThe USD Notes described above were sold pursuant to an underwriting agreement, dated November 17, 2025, among SWF, the USD Guarantors and Citigroup Global Markets Inc., Credit Agricole Securities (USA) Inc., Mizuho Securities USA LLC and Wells Fargo Securities, LLC, as representatives of the several underwriters named in Exhibit B thereto (the “USD Underwriting Agreement”). The EUR Notes described above were sold pursuant to an underwriting agreement, dated November 18, 2025, among SKT, the EUR Guarantors and the underwriters named in Exhibit B thereto (the “EUR Underwriting Agreement”). The disclosure in this Item 8.01 is qualified in its entirety by reference to the USD …

Shared financial results (Item 2.02)

New results: figures on this page will update when the full quarterly or annual report is filed.

In the company's wordsOn October 29, 2025, Smurfit Westrock plc (the “Company”) issued a press release announcing the financial results for the third quarter ended September 30, 2025. The press release is furnished as Exhibit 99.1 and is incorporated into this Item 2.02 by reference. The information provided pursuant to this Item 2.02, including Exhibit 99.1, is being “furnished” and shall not be deemed “filed” hereunder for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or incorporated by reference in any filing under the Securities Act of 1933, as amended (the “Securities Act”), or the Exchange Act, except as shall be expressly set forth by …

Shared information with investors (Item 7.01)

Information shared with investors, often a presentation or press release.

In the company's wordsOn October 29, 2025, the Company will host a conference call during which it will discuss the Company’s financial results for the third quarter ended September 30, 2025. The presentation to be used in connection with the conference call is attached as Exhibit 99.2. The information provided pursuant to this Item 7.01, including Exhibit 99.2, is being “furnished” and shall not be deemed “filed” hereunder for purposes of Section 18 of the Exchange Act or incorporated by reference in any filing under the Securities Act or the Exchange Act, except as shall be expressly set forth by specific reference in any such filings.

Shared financial results (Item 2.02)

New results: figures on this page will update when the full quarterly or annual report is filed.

In the company's wordsOn July 30, 2025, Smurfit Westrock plc (the “Company”) issued a press release announcing the financial results for the second quarter ended June 30, 2025. The press release is furnished as Exhibit 99.1 and is incorporated into this Item 2.02 by reference. The information furnished in this Item 2.02, including the exhibit described above, is being “furnished” and shall not be deemed “filed” hereunder for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or incorporated by reference in any filing under the Securities Act of 1933, as amended (the “Securities Act”), or the Exchange Act, except as shall be expressly set forth by …

Shared information with investors (Item 7.01)

Information shared with investors, often a presentation or press release.

In the company's wordsOn July 30, 2025, the Company will host a conference call during which it will discuss the Company’s financial results for the second quarter ended June 30, 2025. The presentation to be used in connection with the conference call is attached as Exhibit 99.2. The information provided pursuant to this Item 7.01, including Exhibit 99.2, is being “furnished” and shall not be deemed to be “filed” with the U.S. Securities and Exchange Commission or incorporated by reference in any filing under the Securities Act or the Exchange Act, except as shall be expressly set forth by specific reference in any such filings.

Shared shareholder vote results (Item 5.07)

How shareholders voted on board members and proposals.

In the company's wordsOn May 2, 2025, Smurfit Westrock plc (the “Company”) held its 2025 annual general meeting of shareholders (the “Annual General Meeting”). The Company’s shareholders voted to approve the election of each director nominee named in proposal 1, approved each of proposals 2, and 4 through 7 considered at the Annual General Meeting and cast majority of the votes in support of “ONE YEAR” with respect to proposal 3. The following chart sets forth the number and percentage of votes cast for and against, and the number of abstention votes and broker non-votes, with respect to each proposal voted upon by the Company’s shareholders (proposal numbers correspond to the proposal numbers …

Shared financial results (Item 2.02)

New results: figures on this page will update when the full quarterly or annual report is filed.

In the company's wordsOn May 1, 2025, Smurfit Westrock plc (the “Company”) issued a press release announcing the financial results for the first quarter ended March 31, 2025. The press release is furnished as Exhibit 99.1 and is incorporated into this Item 2.02 by reference. The information furnished in this Item 2.02, including the exhibit described above, is being “furnished” and shall not be deemed “filed” hereunder for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or incorporated by reference in any filing under the Securities Act of 1933, as amended (the “Securities Act”), or the Exchange Act, except as shall be expressly set forth by …

Shared information with investors (Item 7.01)

Information shared with investors, often a presentation or press release.

In the company's wordsOn May 1, 2025, the Company will host a conference call during which it will discuss the Company’s financial results for the first quarter ended March 31, 2025. The presentation to be used in connection with the conference call is attached as Exhibit 99.2. The information provided pursuant to this Item 7.01, including Exhibit 99.2, is being “furnished” and shall not be deemed to be “filed” with the SEC or incorporated by reference in any filing under the Securities Act or the Exchange Act, except as shall be expressly set forth by specific reference in any such filings.

Announced cost cutting or restructuring (Item 2.05)

Restructuring usually brings one-off costs now, aimed at lower costs later.

In the company's wordsActivities On April 30, 2025 Smurfit Westrock plc (the “Company”) announced it will permanently close the Company’s coated recycled board (“CRB”) mill in St. Paul, Minnesota, U.S. and will discontinue production at its containerboard mill in Forney, Texas, U.S. (the “Mill Closures”). The Company has also initiated consultations with local works councils in Germany with a view to permanently closing two converting facilities there (together with the Mill Closures, the “Closures”). Approximately 650 employees in the U.S. and Germany will be impacted as a result of the Closures and the Mill Closures are expected to reduce the Company’s containerboard and CRB capacity by over …

Wrote down the value of some assets (Item 2.06)

A write-down lowers profit and the recorded value of what it owns, without any cash being spent.

In the company's wordsThe disclosure included under Item 2.05 is incorporated by reference into this Item 2.06. Forward Looking Statements This Form 8-K includes certain “forward-looking statements” (including within the meaning of Section 27A of the Securities Act of 1933, as amended (the “Securities Act”), and Section 21E of the Securities Exchange Act of 1934, as amended (the “Exchange Act”)) regarding, among other things, our Closures and associated headcount reduction as well as anticipated expense reductions, charges and cost savings. Statements that are not historical facts, including statements about the beliefs and expectations of the management of the Company, are forward-looking …

Shared information with investors (Item 7.01)

Information shared with investors, often a presentation or press release.

In the company's wordsOn April 30, 2025, the Company issued a press release related to the Closures. A copy of the press release is attached as Exhibit 99.1. The information provided pursuant to this Item 7.01, including Exhibit 99.1, is being “furnished” and shall not be deemed “filed” hereunder for purposes of Section 18 of the Exchange Act, or incorporated by reference in any filing under the Securities Act, except as shall be expressly set forth by specific reference in any such filings.

Change in its leaders or board (Item 5.02)

New leaders or board members can bring a change in strategy.

Change in its leaders or board (Item 5.02)

New leaders or board members can bring a change in strategy.

Shared financial results (Item 2.02)

New results: figures on this page will update when the full quarterly or annual report is filed.

Shared information with investors (Item 7.01)

Information shared with investors, often a presentation or press release.

Announced another event (Item 8.01)

Another event the company chose to report publicly.

Signed a major agreement (Item 1.01)

A major new contract can change what the company sells, spends or owes.

Took on a major new debt or obligation (Item 2.03)

New borrowing adds to what the company owes and the interest it pays.

Announced another event (Item 8.01)

Another event the company chose to report publicly.