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COMPASS MINERALS INTERNATIONAL INC

For the period ended Sep 30, 2025. Filed Dec 12, 2025.

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About this filing

A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.

FY2025 · Filed Dec 12, 2025

CMP$23.44+2.3%Stored close · as of Nov 9, 2026

Extracted filing text, with the paragraph anchors used by the comparison.

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Contents

SIGNATURES

Table of ContentsCOMPASS MINERALS INTERNATIONAL, INC.

SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

COMPASS MINERALS INTERNATIONAL, INC.
December 11, 2025By:/s/ Peter Fjellman
Peter Fjellman
Chief Financial Officer

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the registrant and in the capacities indicated on December 11, 2025.

SignatureCapacity
/s/ Edward C. Dowling, Jr.President and CEO and Director
Edward C. Dowling, Jr.(Principal Executive Officer)
/s/ Peter FjellmanChief Financial Officer
Peter Fjellman(Principal Financial Officer)
/s/ Ashley WardChief Accounting Officer
Ashley Ward(Principal Accounting Officer)
*Director
Richard P. Dealy
*Director
Vance O. Holtzman
*Director
Gareth T. Joyce
*Director
Melissa M. Miller
*Director
Joseph E. Reece
*Director
Shane T. Wagnon
*Director
Lori A. Walker
* By:/s/ Jim Hughes
Jim Hughes
Attorney-in-Fact
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The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.