Compass Minerals International Inc SEC filings CMP

Compass Minerals International Inc has 1,005 filings in SEC EDGAR's recent list, going back to Oct 2, 2017. Its latest annual report, Form 10-K, was filed on Dec 12, 2025 for the period ended Sep 30, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 6, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Oct 28, 2026 (officer or director change). The company's fiscal year ends on September 30.

Form Description Filed Period
10-Q Quarterly report Aug 6, 2026 Jun 30, 2026
10-Q Quarterly report May 7, 2026 Mar 31, 2026
10-Q Quarterly report Feb 6, 2026 Dec 31, 2025
10-Q Quarterly report Aug 11, 2025 Jun 30, 2025
10-Q Quarterly report May 8, 2025 Mar 31, 2025
10-Q Quarterly report Feb 10, 2025 Dec 31, 2024
10-Q Quarterly report Oct 30, 2024 Jun 30, 2024
10-Q/A Amended quarterly report Oct 30, 2024 Mar 31, 2024
10-Q Quarterly report May 15, 2024 Mar 31, 2024
10-Q Quarterly report Feb 8, 2024 Dec 31, 2023
10-Q Quarterly report Aug 8, 2023 Jun 30, 2023
10-Q Quarterly report May 9, 2023 Mar 31, 2023
10-Q Quarterly report Feb 7, 2023 Dec 31, 2022
10-Q Quarterly report Aug 5, 2022 Jun 30, 2022
10-Q Quarterly report May 10, 2022 Mar 31, 2022
10-Q Quarterly report Feb 8, 2022 Dec 31, 2021
10-Q/A Amended quarterly report Sep 3, 2021 Mar 31, 2021
10-Q Quarterly report Aug 13, 2021 Jun 30, 2021
10-Q Quarterly report May 7, 2021 Mar 31, 2021
10-Q Quarterly report Nov 5, 2020 Sep 30, 2020
10-Q Quarterly report Aug 5, 2020 Jun 30, 2020
10-Q Quarterly report May 6, 2020 Mar 31, 2020
10-Q Quarterly report Nov 6, 2019 Sep 30, 2019
10-Q Quarterly report Aug 7, 2019 Jun 30, 2019
10-Q Quarterly report May 1, 2019 Mar 31, 2019
10-Q Quarterly report Nov 1, 2018 Sep 30, 2018
10-Q Quarterly report Aug 7, 2018 Jun 30, 2018
10-Q Quarterly report May 2, 2018 Mar 31, 2018
10-Q Quarterly report Oct 31, 2017 Sep 30, 2017

Showing 29 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.

New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.

Company profile

Industry
Mining & Quarrying of Nonmetallic Minerals (No Fuels) (SIC 1400)
Listed as
CMP (NYSE)
Fiscal year ends
September 30
Incorporated in
DE
Headquarters
Overland Park, KS
SEC filer status
Accelerated filer
SEC CIK
1227654
Former names
SALT HOLDINGS CORP (until Nov 5, 2003)

Other Mining & Quarrying of Nonmetallic Minerals (No Fuels) companies

All 37 Mining & Quarrying of Nonmetallic Minerals (No Fuels) companies

Source: SEC EDGAR filings. This is company-reported data, not investment advice.