[8-K] Compass Minerals International, Inc. Reports Material Event

Rhea-AI Filing Summary

Compass Minerals (NYSE:CMP) filed an 8-K under Item 5.02 reporting that, effective June 26 2025, Chief Legal and Administrative Officer & Corporate Secretary Mary L. Frontczak departed the company. James D. Hughes has been appointed interim General Counsel and Corporate Secretary.

The filing provides no reason for the departure and discloses no severance or other compensatory arrangements. No additional operational or financial updates were included.

Positive

• None.

Negative

• Unplanned C-suite departure: Chief Legal & Administrative Officer and Corporate Secretary resigned without stated reason or permanent successor, elevating governance and compliance uncertainty.

Insights

Corporate Governance Expert

TL;DR: Sudden legal chief exit heightens governance and compliance risk.

The Chief Legal & Administrative Officer oversees litigation, regulatory compliance and board processes. An unannounced, immediate departure—without a disclosed transition plan or permanent successor—can disrupt contract negotiations, ongoing claims management and SEC reporting quality. The company names an interim General Counsel, indicating no ready bench for this critical role. Investors should monitor forthcoming 10-Q disclosures for legal reserve changes, whistle-blower complaints or control deficiencies that might have precipitated this move. Absence of severance details suggests either a negotiated confidential settlement or resignation for cause—both carry reputational risk. Until a permanent, experienced replacement is secured, the board’s oversight effectiveness could be impaired.

Risk Analyst

TL;DR: Operational impact limited short-term; watch legal pipeline.

While the departure does not directly alter revenue or cash flow, the legal function touches environmental permits, mine-safety compliance and customer contracts—areas that can quickly become financially material. Interim counsel continuity mitigates immediate disruption, yet investors should scrutinize upcoming filings for contingent liability expansions or delayed regulatory approvals. Historically, abrupt C-suite changes sometimes precede restatements or adverse findings; probability remains low but non-trivial here. Bottom line: headline risk outweighs immediate financial risk, warranting neutral-to-cautious stance until more facts emerge.

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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): June 26, 2025

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 5.02    Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

Departure of Chief Legal and Administrative Officer and Corporate Secretary

Effective June 26, 2025, Mary L. Frontczak ceased to serve as Chief Legal and Administrative Officer and Corporate Secretary of Compass Minerals International, Inc. (the “Company”). James D. Hughes has assumed the role of General Counsel and Corporate Secretary of the Company on an interim basis.

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: June 27, 2025			By:			/s/ Peter Fjellman
						Name: Peter Fjellman
						Title: Chief Financial Officer

FAQ

Who left Compass Minerals' executive team according to the June 2025 8-K?

Chief Legal and Administrative Officer and Corporate Secretary Mary L. Frontczak departed the company.

When did Mary L. Frontczak's departure become effective?

Her departure became effective on June 26 2025.

Who is Compass Minerals' interim General Counsel and Corporate Secretary?

James D. Hughes has assumed both roles on an interim basis.

Did Compass Minerals disclose why the chief legal officer resigned?

No. The 8-K does not provide any reason for the departure.

Were severance or compensation details for the departing executive disclosed?

No severance or other compensatory arrangements were disclosed in the filing.