Form 8-K

8-K — SOMNIGROUP INTERNATIONAL INC.

Accession: 0001206264-26-000071

Filed: 2026-05-15

Period: 2026-05-13

CIK: 0001206264

SIC: 2510 (HOUSEHOLD FURNITURE)

Item: Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year

Item: Submission of Matters to a Vote of Security Holders

Item: Financial Statements and Exhibits

Documents

8-K — tpx-20260513.htm (Primary)

EX-3.1 — EX-3.1 FOURTH AMENDMENT TO A&R CERTIFCATE OF INCORPORATION (exh31fourthamendmenttoarce.htm)

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8-K — 05.13.2026 FORM 8-K VOTING RESULTS AND AMENDMENT TO CERT OF INC

8-K (Primary)

Filename: tpx-20260513.htm · Sequence: 1

tpx-20260513

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934

Date of report (Date of earliest event reported): May 13, 2026

SOMNIGROUP INTERNATIONAL INC.

(Exact name of registrant as specified in its charter)

Delaware 001-31922 33-1022198

(State or other jurisdiction of incorporation) (Commission File Number) (I.R.S. Employer Identification No.)

100 Crescent Ct. Suite 700

Dallas, Texas 75201

(Address of principal executive offices) (Zip Code)

(800) 878-8889

(Registrant’s telephone number, including area code)

N/A

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class Trading Symbol(s) Name of exchange on which registered

Common Stock, $0.01 par value SGI New York Stock Exchange

Indicate by check mark whether the Registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the Registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 5.03 Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year

As discussed in Item 5.07 below, on May 13, 2026, at the 2026 Annual Meeting of Stockholders of Somnigroup International Inc. (the "Company"), the Company's stockholders approved an amendment to 'ARTICLE IV Capital Stock’ of the Company's Amended and Restated Certificate of Incorporation, as amended (as so amended, the "Certificate of Incorporation") to increase the number of authorized shares of common stock of the Company from 500,000,000 to 1,000,000,000 shares. The authorized preferred stock remains 10,000,000 shares. This increased the aggregate number of shares of all classes of stock that the Company may issue to 1,010,000,000 shares.

The foregoing summary does not purport to be complete and is qualified in its entirety by the full text of the Fourth Certificate of Amendment to the Amended and Restated Certificate of Incorporation of the Company, which was filed with the Secretary of State of the State of Delaware on May 14, 2026, and is attached hereto as Exhibit 3.1 and incorporated herein by reference.

Item 5.07. Submission of Matters to a Vote of Security Holders

(a) The Company's Annual Meeting of Stockholders was held on May 13, 2026.

(b) Of the 210,340,624 shares of the Company’s common stock outstanding as of the record date, 200,306,293 shares were represented at the Annual Meeting.

(c) The name of each director elected at the meeting and a brief description of each other matter voted upon at the meeting is set forth below.

The stockholders (1) elected all of the Company's nominees for director; (2) ratified the appointment of Ernst and Young LLP as the Company's independent auditor for the year ending December 31, 2026; (3) approved, on an advisory basis, the Compensation of the Company's Named Executive Officers; and (4) approved an amendment to the Company's Amended and Restated Certificate of Incorporation to increase the authorized shares of common stock from 500 million to 1 billion. The tabulation of votes for each proposal is as follows:

(1) Election of Directors

For Against Abstain Broker Non-Votes

CHRISTOPHER T. COOK 192,885,142 59,934 196,846 7,164,371

EVELYN S. DILSAVER 191,475,050 1,624,149 42,723 7,164,371

SIMON JOHN DYER 192,571,660 502,110 68,152 7,164,371

CATHY R. GATES 172,918,971 20,182,660 40,291 7,164,371

MEREDITH SIEGFRIED MADDEN 174,093,643 18,986,997 61,282 7,164,371

RICHARD W. NEU 172,187,006 20,889,183 65,733 7,164,371

PETER R. SACHSE 192,879,995 216,371 45,556 7,164,371

SCOTT L. THOMPSON 191,703,187 1,379,224 59,511 7,164,371

(2) Ratification of Independent Auditors

For Against Abstain Broker Non-Votes

198,034,015 2,230,000 42,278 N/A

(3) Advisory Vote to Approve the Compensation of Named Executive Officers as described in the Company's 2026 Proxy Statement

For Against Abstain Broker Non-Votes

112,110,823 80,875,933 155,166 7,164,371

(4) Amendment of the Company's Amended and Restated Certificate of Incorporation to Increase the Number of Authorized Shares of Common Stock from 500 Million to 1 Billion

For Against Abstain Broker Non-Votes

123,028,490 76,869,794 408,009 N/A

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits.

Exhibit

Number Description

3.1

Fourth Certificate of Amendment to the Amended and Restated Certificate of Incorporation.

104 Cover page interactive data file (embedded within the Inline XBRL document).

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Date: May 15, 2026

Somnigroup International Inc.

By: /s/ Bhaskar Rao

Name: Bhaskar Rao

Title: Executive Vice President & Chief Financial Officer

EX-3.1 — EX-3.1 FOURTH AMENDMENT TO A&R CERTIFCATE OF INCORPORATION

EX-3.1

Filename: exh31fourthamendmenttoarce.htm · Sequence: 2

Document

FOURTH CERTIFICATE OF AMENDMENT

TO THE AMENDED AND RESTATED CERTIFICATE OF INCORPORATION

SOMNIGROUP INTERNATIONAL INC.

SOMNIGROUP INTERNATIONAL INC. (the “Corporation”), a corporation organized and existing under the General Corporation Law of the State of Delaware, hereby certifies as follows:

1.This Fourth Certificate of Amendment (the “Certificate of Amendment”) amends the provisions of the Corporation’s Amended and Restated Certificate of Incorporation filed with the Delaware Secretary of State on December 22, 2003, as amended by the Certificate of Amendment filed with the Delaware Secretary of State on May 22, 2013, as amended by the Second Certificate of Amendment filed with the Delaware Secretary of State on May 7, 2021 and as amended by the Third Certificate of Amendment filed with the Delaware Secretary of State on February 5, 2025 but effective February 18, 2025 (collectively, the “Certificate of Incorporation”).

2.The first paragraph of ‘ARTICLE IV Capital Stock’ of the Certificate of Incorporation is hereby amended and restated in its entirety as follows:

"The total number of shares of all classes of capital stock which the Corporation shall have authority to issue is 1,010,000,000 shares, consisting solely of:

•1,000,000,000 shares of common stock, par value $0.01 per share ("Common Stock"); and

•10,000,000 shares of preferred stock, par value $0.01 per share ("Preferred Stock")."

3. This amendment was duly adopted in accordance with the provisions of Section 242 of the General Corporation Law of the State of Delaware.

4. All other provisions of the Certificate of Incorporation shall remain in full force and effect.

IN WITNESS WHEREOF, the undersigned has executed this Fourth Certificate of Amendment on behalf of the Corporation as of May 14, 2026.

By__/s/ Bhaskar Rao_________________________

Bhaskar Rao

Executive Vice President and Chief Financial Officer

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