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): ~~December~~February 104, ~~2025~~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 82.0102 ~~Other~~Results ~~Events~~of Operations and Financial Condition.

On ~~December 10~~February 4, ~~2025~~2026, ~~the~~Compass ~~United~~Minerals ~~States District Court for the District of Kansas (the "Court") preliminarily approved the settlement ("Settlement") of the stockholder derivative actions captioned Morelli v. Crutchfield et al.~~International, ~~Case No~~Inc.~~2:24-cv-02496-EFM-ADM~~ ~~(D.~~issued ~~Kan.)~~a ~~and~~press ~~Assad~~release v.regarding ~~Crutchfield~~its etfiscal ~~al.,~~2026 ~~Case~~first ~~No.~~quarter ~~2:25-cv-02186-EFM-ADM~~financial (Dresults. ~~Kan.)~~A ~~(collectively,~~copy ~~the "Actions"). Pursuant to the Court's order granting preliminary approval~~ of the ~~Settlement,~~press ~~Compass~~release ~~Minerals International, Inc. (the "Company")~~ is ~~required to publish the Notice of Pendency and Proposed Settlement of Stockholder Derivative Actions (the "Notice"),~~ attached ~~hereto~~ as Exhibit 99.1~~, and the Stipulation and Agreement of Settlement (the "Stipulation"), attached hereto as Exhibit 99~~.~~2. The Notice and the Stipulation are available for review on the Investor Relations section of the Company's website at www.compassminerals.com.~~

The information contained in Item 2.02 and Exhibit 99.1 of this Current Report on Form 8-K is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, or incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits.

Exhibit No.						Exhibit Description
99.1						~~Notice~~Press ofRelease ~~Pendency~~issued ~~and~~by ~~Proposed~~Compass ~~Settlement~~Minerals ofInternational, ~~Stockholder~~Inc. ~~Derivative~~on ~~Actions~~February 4, 2026.
99.2						Stipulation and Agreement of Settlement.
104						Cover Page Interactive Data File (embedded within the Inline XBRL document).

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: December 23, 2025	By:	/s/ Peter Fjellman
Date: February 4, 2026	By:	/s/ Peter Fjellman
		Peter Fjellman
		Title: Chief Financial Officer

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