Form 8-K

8-K — Perimeter Solutions, Inc.

Accession: 0001880319-26-000039

Filed: 2026-05-28

Period: 2026-05-28

CIK: 0001880319

SIC: 2800 (CHEMICALS & ALLIED PRODUCTS)

Item: Submission of Matters to a Vote of Security Holders

Documents

8-K — prm-20260528.htm (Primary)

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 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 28, 2026

PERIMETER SOLUTIONS, INC.

(Exact name of registrant as specified in its charter)

Delaware 001-41027 33-2098357

(State or other jurisdiction

of incorporation)

(Commission

File Number)

(I.R.S. Employer

Identification No.)

8000 Maryland Avenue, Suite 350

Clayton, Missouri 63105

(Address of principal executive offices, including zip code)

(314) 396-7343

Registrant's telephone number, including area code

Not Applicable

(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 each exchange

on which registered

Common Stock, par value $0.0001 per share PRM 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 5.07 Submission of Matters to a Vote of Security Holders.

On May 28, 2026, Perimeter Solutions, Inc. (the “Company”) held its 2026 Annual Meeting of Stockholders (the “Annual Meeting”) virtually via live audio webcast. At the Annual Meeting, the stockholders voted on (i) the election of eight director nominees for a one-year term (Proposal 1), (ii) the approval, on an advisory basis, of the compensation of the Company’s named executive officers (Proposal 2), and (iii) the ratification of the appointment of KPMG LLP as the independent registered public accounting firm of the Company for the year ending December 31, 2026 (Proposal 3).

Proposal 1

The stockholders voted in favor of the election of the following director nominees as directors for a term of office expiring at the 2027 Annual Meeting of Stockholders or, in each case, until his or her successor is duly elected and qualified.

For Against Abstain Broker Non-Vote

W. Nicholas Howley 121,989,074 15,152,296 4,446 11,322,610

William N. Thorndike, Jr. 123,973,756 12,576,047 596,013 11,322,610

Haitham Khouri 136,227,039 898,148 20,629 11,322,610

Tracy Britt Cool 81,334,482 55,806,283 5,052 11,322,610

Sean Hennessy 121,153,508 15,971,780 20,529 11,322,610

Robert S. Henderson 116,878,371 20,247,350 20,096 11,322,610

Bernt Iversen II 106,853,150 30,271,634 21,033 11,322,610

Jorge L. Valladares III 135,313,069 1,798,521 34,226 11,322,610

Proposal 2

The stockholders approved, on an advisory basis, the compensation of the Company's named executive officers.

For Against Abstain Broker Non-Vote

135,811,367 1,314,007 20,442 11,322,610

Proposal 3

The stockholders ratified the appointment of KPMG LLP as the independent registered public accounting firm of the Company for the year ending December 31, 2026.

For Against Abstain Broker Non-Vote

148,255,291 12,597 200,538 —

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.

Perimeter Solutions, Inc.

Date: May 28, 2026 By: /s/ Kyle Sable

Kyle Sable

Chief Financial Officer

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