Compass Minerals International, Inc. (CMP)
NYSE: CMP · Mining & Quarrying of Nonmetallic Minerals (No Fuels) · Overland Park, KS · filing with the SEC since 2003
Grade3.3
◀ Past 2.2● Present 3.5▶ Future 4.9
Filings
349 filings since 2017 beside 748 insider forms · Accelerated filer · read from EDGAR on Nov 13, 2026Due nextAccelerated filer
10-K
Annual report for the fiscal year ending Sep 30, 2026Accelerated filers have 75 days after the fiscal year ends.
by Dec 14, 2026
10-Q
Quarterly report for the quarter ending Dec 31, 2026Accelerated filers have 40 days after the quarter ends; quarter ends are taken to the month end.
by Feb 9, 2027
A deadline is the latest date the SEC's rules allow for its filer category. It is not a forecast of the day the company files. Last time, the results release (8-K item 2.02) came 36 days after the quarter ended. The proxy statement was last filed Jan 23, 2026.
Filings a yearinsider forms included
1271101301461071068266
2026 counts to Nov 13, 2026.
Officer or director change (8-K item 5.02): 14 times in the last 36 months, the newest Oct 28, 2026.Listing warning from its exchange (8-K item 3.01): 1 time in the last 36 months, the newest Aug 16, 2024.Warning not to rely on past financial statements (8-K item 4.02): 1 time in the last 36 months, the newest Jul 3, 2024.Auditor change (8-K item 4.01): 1 time in the last 36 months, the newest Dec 7, 2023.A late-filing notice, Form NT 10-Q, filed Aug 9, 2024.A late-filing notice, Form NT 10-Q, filed May 10, 2024.
Insider forms (3, 4, 5 and 144) are counted each year but not listed here; the people and their trades are on the Ownership tab.
FiledFormWhat it is, in plain wordsPeriodAsk
Oct 15, 2026
8-K items 5.02, 8.01
Officer or director change; Other event · Current report
Oct 9, 2026
Mar 24, 2026
8-K items 7.01, 8.01, 9.01
Investor disclosure (Regulation FD); Other event · Current report
Mar 20, 2026
Dec 19, 2025
8-K items 5.02, 7.01, 9.01
Officer or director change; Investor disclosure (Regulation FD) · Current report
Dec 18, 2025
Jun 16, 2025
8-K items 1.01, 2.03, 7.01, 9.01
Major agreement signed; New debt or obligation taken on; Investor disclosure (Regulation FD) · Current report
40 of 349 shown
Every row opens the filing on EDGAR. The plain words are the site's own for each form and each 8-K item; the complete history, insider forms included, is on EDGAR.