CMP

cmp-202602040001227654false00012276542026-02-042026-02-04

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): February 4, 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 classTrading SymbolName of each exchange on which registered Common stock, $0.01 par valueCMPThe 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 2.02     Results of Operations and Financial Condition.

On February 4, 2026, Compass Minerals International, Inc. issued a press release regarding its fiscal 2026 first quarter financial results. A copy of the press release is attached as Exhibit 99.1.

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 Press Release issued by Compass Minerals International, Inc. on February 4, 2026.

104Cover 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: February 4, 2026 By: /s/ Peter Fjellman

Peter Fjellman Title: Chief Financial Officer

cmp-202512080001227654false00012276542025-12-082025-12-08

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 8, 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 classTrading SymbolName of each exchange on which registered Common stock, $0.01 par valueCMPThe 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 2.02     Results of Operations and Financial Condition.

On December 8, 2025, Compass Minerals International, Inc. (the "Company") issued a press release regarding its fourth quarter 2025 and fiscal year 2025 financial results. A copy of the press release is attached as Exhibit 99.1.

The information contained in Item 2.02 and Exhibit 99.1 of this Current Report on Form 8-K (this "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 Press Release issued by Compass Minerals International, Inc. on December 8, 2025.

104Cover 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 8, 2025 By: /s/ Peter Fjellman

Name: Peter Fjellman

Title: Chief Financial Officer

cmp-202508110001227654false00012276542025-08-112025-08-11

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): August 11, 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 classTrading SymbolName of each exchange on which registered Common stock, $0.01 par valueCMPThe 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 2.02     Results of Operations and Financial Condition.

On August 11, 2025, Compass Minerals International, Inc. issued a press release regarding its fiscal 2025 third quarter financial results. A copy of the press release is attached as Exhibit 99.1.

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 Press Release issued by Compass Minerals International, Inc. on August 11, 2025.

104Cover 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: August 11, 2025 By: /s/ Peter Fjellman

Peter Fjellman Title: Chief Financial Officer

cmp-202505070001227654false00012276542025-05-072025-05-07

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 7, 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 classTrading SymbolName of each exchange on which registered Common stock, $0.01 par valueCMPThe 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 2.02     Results of Operations and Financial Condition.

On May 7, 2025, Compass Minerals International, Inc. issued a press release regarding its fiscal 2025 second quarter financial results. A copy of the press release is attached as Exhibit 99.1.

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 Press Release issued by Compass Minerals International, Inc. on May 7, 2025.

104Cover 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: May 7, 2025 By: /s/ Peter Fjellman

Peter Fjellman Title: Chief Financial Officer

cmp-202502100001227654false00012276542025-02-102025-02-10

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): February 10, 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 classTrading SymbolName of each exchange on which registered Common stock, $0.01 par valueCMPThe 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 2.02     Results of Operations and Financial Condition.

On February 10, 2025, Compass Minerals International, Inc. issued a press release regarding its fiscal 2025 first quarter financial results. A copy of the press release is attached as Exhibit 99.1.

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 Press Release issued by Compass Minerals International, Inc. on February 10, 2025.

104Cover 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: February 10, 2025 By: /s/ Peter Fjellman

Peter Fjellman Title: Chief Financial Officer

cmp-202412160001227654false00012276542024-12-162024-12-16

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 16, 2024

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 classTrading SymbolName of each exchange on which registered Common stock, $0.01 par valueCMPThe 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 2.02     Results of Operations and Financial Condition.

On December 16, 2024, Compass Minerals International, Inc. (the "Company") issued a press release regarding its fourth quarter 2024 and fiscal year 2024 financial results. A copy of the press release is attached as Exhibit 99.1.

The information contained in Item 2.02 and Exhibit 99.1 of this Current Report on Form 8-K (this "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 Press Release issued by Compass Minerals International, Inc. on December 16, 2024.

104Cover 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 16, 2024 By: /s/ Jeffrey Cathey

Name: Jeffrey Cathey

Title: Chief Financial Officer

cmp-202410290001227654false00012276542024-10-292024-10-29

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): October 29, 2024

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 classTrading SymbolName of each exchange on which registered Common stock, $0.01 par valueCMPThe 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 2.02     Results of Operations and Financial Condition.

On October 29, 2024, Compass Minerals International, Inc. issued a press release regarding its final fiscal 2024 third quarter financial results. A copy of the press release is attached as Exhibit 99.1.

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 Press Release issued by Compass Minerals International, Inc. on October 29, 2024.

104Cover 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: October 29, 2024 By: /s/ Jeffrey Cathey

Name: Jeffrey Cathey

Title: Chief Financial Officer

cmp-202409170001227654false00012276542024-09-172024-09-17

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): September 17, 2024

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 classTrading SymbolName of each exchange on which registered Common stock, $0.01 par valueCMPThe 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 2.02     Results of Operations and Financial Condition.

On September 17, 2024, Compass Minerals International, Inc. issued a press release regarding its preliminary fiscal 2024 third quarter financial results. These preliminary financial results are unaudited, based on currently available information and do not present all necessary information for a complete understanding of the Company’s financial condition as of June 30, 2024 or its results of operations for the quarter ended June 30, 2024. A copy of the press release is attached as Exhibit 99.1.

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 Press Release issued by Compass Minerals International, Inc. on September 17, 2024.

104Cover 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: September 17, 2024 By: /s/ Jeffrey Cathey

Name: Jeffrey Cathey

Title: Chief Financial Officer

cmp-202405070001227654false00012276542024-05-072024-05-07

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 7, 2024

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 classTrading SymbolName of each exchange on which registered Common stock, $0.01 par valueCMPThe 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 2.02     Results of Operations and Financial Condition.

On May 7, 2024, Compass Minerals International, Inc. issued a press release regarding its fiscal 2024 second quarter financial results. A copy of the press release is attached as Exhibit 99.1.

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 Press Release issued by Compass Minerals International, Inc. on May 7, 2024.

104Cover 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: May 7, 2024 By: /s/ Lorin Crenshaw

Name: Lorin Crenshaw

Title: Chief Financial Officer

cmp-202402070001227654false00012276542024-02-072024-02-07

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): February 7, 2024

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 classTrading SymbolName of each exchange on which registered Common stock, $0.01 par valueCMPThe 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 2.02     Results of Operations and Financial Condition.

On February 7, 2024, Compass Minerals International, Inc. issued a press release regarding its fiscal 2024 first quarter financial results. A copy of the press release is attached as Exhibit 99.1.

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 Press Release issued by Compass Minerals International, Inc. on February 7, 2024.

104Cover 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: February 7, 2024 By: /s/ Lorin Crenshaw

Name: Lorin Crenshaw

Title: Chief Financial Officer

cmp-202311160001227654false00012276542023-11-162023-11-16

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): November 16, 2023

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 classTrading SymbolName of each exchange on which registered Common stock, $0.01 par valueCMPThe 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 2.02     Results of Operations and Financial Condition.

On November 16, 2023, Compass Minerals International, Inc. (the "Company") issued a press release regarding its fourth quarter 2023 and fiscal year 2023 financial results. A copy of the press release is attached as Exhibit 99.1.

The information contained in Item 2.02 and Exhibit 99.1 of this Current Report on Form 8-K (this "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 Press Release issued by Compass Minerals International, Inc. on November 16, 2023.

104Cover 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: November 16, 2023 By: /s/ Lorin Crenshaw

Name: Lorin Crenshaw

Title: Chief Financial Officer

cmp-202308080001227654false00012276542023-08-082023-08-08

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): August 8, 2023

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 classTrading SymbolName of each exchange on which registered Common stock, $0.01 par valueCMPThe 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 2.02     Results of Operations and Financial Condition.

On August 8, 2023, Compass Minerals International, Inc. issued a press release regarding its fiscal 2023 third quarter financial results. A copy of the press release is attached as Exhibit 99.1.

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 Press Release issued by Compass Minerals International, Inc. on August 8, 2023.

104Cover 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: August 8, 2023 By: /s/ Lorin Crenshaw

Name: Lorin Crenshaw

Title: Chief Financial Officer

cmp-202305090001227654false00012276542023-05-092023-05-09

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 9, 2023

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 classTrading SymbolName of each exchange on which registered Common stock, $0.01 par valueCMPThe 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 2.02     Results of Operations and Financial Condition.

On May 9, 2023, Compass Minerals International, Inc. issued a press release regarding its fiscal 2023 second quarter financial results. A copy of the press release is attached as Exhibit 99.1.

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 Press Release issued by Compass Minerals International, Inc. on May 9, 2023.

104Cover 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: May 9, 2023 By: /s/ Lorin Crenshaw

Name: Lorin Crenshaw

Title: Chief Financial Officer

cmp-202302070001227654false00012276542023-02-072023-02-07

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): February 7, 2023

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 classTrading SymbolName of each exchange on which registered Common stock, $0.01 par valueCMPThe 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 2.02     Results of Operations and Financial Condition.

On February 7, 2023, Compass Minerals International, Inc. issued a press release regarding its fiscal 2023 first quarter financial results. A copy of the press release is attached as Exhibit 99.1.

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 Press Release issued by Compass Minerals International, Inc. on February 7, 2023.

104Cover 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: February 7, 2023 By: /s/ Lorin Crenshaw

Name: Lorin Crenshaw

Title: Chief Financial Officer

cmp-202211290001227654false00012276542022-11-292022-11-29

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): November 29, 2022

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 classTrading SymbolName of each exchange on which registered Common stock, $0.01 par valueCMPThe 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 2.02     Results of Operations and Financial Condition.

On November 29, 2022, Compass Minerals International, Inc. (the "Company") issued a press release regarding its fourth quarter 2022 and fiscal year 2022 financial results. A copy of the press release is attached as Exhibit 99.1.

The information contained in Item 2.02 and Exhibit 99.1 of this Current Report on Form 8-K (this "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 Press Release issued by Compass Minerals International, Inc. on November 29, 2022.

104Cover 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: November 29, 2022 By: /s/ Lorin Crenshaw

Name: Lorin Crenshaw

Title: Chief Financial Officer

cmp-202208040001227654false00012276542022-08-042022-08-04

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): August 4, 2022

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 classTrading SymbolName of each exchange on which registered Common stock, $0.01 par valueCMPThe 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 2.02     Results of Operations and Financial Condition.

On August 4, 2022, Compass Minerals International, Inc. issued a press release regarding its fiscal 2022 third quarter financial results. A copy of the press release is attached as Exhibit 99.1.

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 Press Release issued by Compass Minerals International, Inc. on August 4, 2022.

104Cover 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: August 4, 2022 By: /s/ Lorin Crenshaw

Name: Lorin Crenshaw

Title: Chief Financial Officer

cmp-202205050001227654false00012276542022-05-052022-05-05

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 5, 2022

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 classTrading SymbolName of each exchange on which registered Common stock, $0.01 par valueCMPThe 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 2.02     Results of Operations and Financial Condition.

On May 5, 2022, Compass Minerals International, Inc. issued a press release regarding its fiscal 2022 second quarter financial results. A copy of the press release is attached as Exhibit 99.1.

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 Press Release issued by Compass Minerals International, Inc. on May 5, 2022.

104Cover 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: May 5, 2022 By: /s/ Lorin Crenshaw

Name: Lorin Crenshaw

Title: Chief Financial Officer

cmp-202202080001227654false00012276542022-02-082022-02-08

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): February 8, 2022

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 classTrading SymbolName of each exchange on which registered Common stock, $0.01 par valueCMPThe 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 2.02     Results of Operations and Financial Condition.

On February 8, 2022, Compass Minerals International, Inc. issued a press release regarding its fiscal 2022 first quarter financial results. A copy of the press release is attached as Exhibit 99.1.

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 Press Release issued by Compass Minerals International, Inc. on February 8, 2022.

104Cover 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: February 8, 2022 By: /s/ Lorin Crenshaw

Name: Lorin Crenshaw

Title: Chief Financial Officer

cmp-202111150001227654false00012276542021-11-152021-11-15

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): November 15, 2021

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 classTrading SymbolName of each exchange on which registered Common stock, $0.01 par valueCMPThe 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 2.02     Results of Operations and Financial Condition.

On November 15, 2021, Compass Minerals International, Inc. (the "Company") issued a press release regarding its third quarter 2021 and fiscal year 2021 financial results. A copy of the press release is attached as Exhibit 99.1.

The information contained in Item 2.02 and Exhibit 99.1 of this Current Report on Form 8-K (this "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 7.01     Regulation FD Disclosure.

On November 15, 2021, the Company issued a press release regarding its capital allocation strategy. A copy of the press release is attached as Exhibit 99.2.

The information contained in Item 7.01 and Exhibit 99.2 of this Form 8-K is being furnished and shall not be deemed “filed” for purposes of Section 18 of 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 Press Release issued by Compass Minerals International, Inc. on November 15, 2021.

99.2 Press Release issued by Compass Minerals International, Inc. on November 15, 2021.

104Cover 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: November 15, 2021 By: /s/ James D. Standen

Name: James D. Standen

Title: Chief Financial Officer

cmp-202109290001227654false00012276542021-09-292021-09-29

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): September 29, 2021

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 classTrading SymbolName of each exchange on which registered Common stock, $0.01 par valueCMPThe 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 2.02    Results of Operations and Financial Condition.

Compass Minerals International, Inc. (the “Company”) is providing supplemental financial information, attached as Exhibit 99.1, which includes certain quarterly segment information for its continuing operations for the quarters ended March 31, 2019 through June 30, 2021.

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 Supplemental quarterly segment information issued by Compass Minerals International, Inc. on September 29, 2021.

104Cover 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: September 29, 2021 By: /s/ James D. Standen

Name: James D. Standen

Title: Chief Financial Officer