[8-K] COMPASS MINERALS INTERNATIONAL INC Reports Material Event

Rhea-AI Filing Summary

Compass Minerals International, Inc. held its 2026 Annual Meeting of Stockholders on March 5, 2026. Stockholders elected nine director nominees, including Edward C. Dowling, Jr. and Mark Roberts, each receiving over 35 million votes in favor with relatively few votes against or abstentions.

Stockholders also approved, on a non-binding advisory basis, the compensation of the company’s named executive officers, with 29,868,622 votes for and 5,669,317 against. In addition, they ratified the appointment of KPMG LLP as independent registered public accounting firm for fiscal 2026, with 38,136,077 votes for and 73,743 against.

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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): March 5, 2026

Compass Minerals International, Inc.

(Exact name of registrant as specified in its charter)

Delaware			001-31921			36-3972986
(State or other jurisdiction of incorporation)			(Commission File Number)			(I.R.S. Employer Identification No.)

9900 West 109th Street

Suite 100

Overland Park, KS 66210

(Address of principal executive offices)

(913) 344-9200

(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

Name of each exchange on which registered

Common stock, $0.01 par value

CMP

The 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 March 5, 2026, Compass Minerals International, Inc. (the “Company”) held its 2026 Annual Meeting of Stockholders. At the Annual Meeting, the Company’s stockholders voted on the following three proposals and cast their votes as described below.

Proposal 1 — The individuals listed below were elected by the Company’s stockholders to serve as directors of the Company until the next annual meeting of stockholders, or until a successor is duly elected and qualified or his or her earlier death, resignation or removal.

Director Nominee						For						Against						Abstain						Broker Non-Votes
Edward C. Dowling, Jr.						35,333,497						214,753						59,570						2,626,824
Russell Ball						34,298,245						1,300,339						9,236						2,626,824
Richard P. Dealy						34,599,651						951,314						56,855						2,626,824
Gareth T. Joyce						35,246,370						302,812						58,638						2,626,824
Denise Merle						33,813,272						1,786,030						8,518						2,626,824
Melissa M. Miller						32,889,655						2,660,544						57,621						2,626,824
Joseph E. Reece						34,652,574						947,406						7,840						2,626,824
Mark Roberts						35,476,006						124,248						7,566						2,626,824
David Safran						35,434,228						164,336						9,256						2,626,824

Proposal 2 — The Company’s stockholders approved, on a non-binding, advisory basis, the compensation of the Company’s named executive officers, as set forth in the Company’s Proxy Statement filed with the Securities Exchange Commission on January 23, 2026 (the “Proxy Statement”).

For						Against						Abstain						Broker Non-Votes
29,868,622						5,669,317						69,881						2,626,824

Proposal 3 — The Company’s stockholders ratified the appointment of KPMG LLP as the Company’s independent registered public accounting firm for fiscal 2026.

For						Against						Abstain						Broker Non-Votes
38,136,077						73,743						24,824						—

SIGNATURES

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

			COMPASS MINERALS INTERNATIONAL, INC.
Date: March 9, 2026			By:			/s/ Peter Fjellman
						Peter Fjellman
						Chief Financial Officer

Filing Exhibits & Attachments

3 documents

Other Documents

• EX-101 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT 1.8 KB
• EX-101 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT 23.2 KB
• EX-101 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT 13.3 KB