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COMPASS MINERALS INTERNATIONAL INC
Mining & Quarrying of Nonmetallic Minerals (No Fuels) · DE · CIK 1227654
Compass Minerals provides essential salt and plant nutrition minerals, plus records management services
$1.32B
Market cap
$31.26
Last close
+0.5%
1D
+8.3%
5D
508K
Volume
Price · last 39 sessions+22.8%
May 4L $25.45 · H $33.51Jun 29
222
Total filings
Jun 29, 2026
Last filing
09/30
Fiscal year end
11-K11-KJun 29, 202610-Q10-QMay 7, 20268-KResults of OperationsMay 6, 20268-KReg FD Disclosure · Company UpdateMar 24, 20268-KShareholder VoteMar 10, 202610-Q10-QFeb 6, 20268-KResults of OperationsFeb 4, 2026DEFA14ADEFINITIVE ADDITIONAL PROXY SOLICITING MATERIALSJan 23, 2026DEF 14ADEFINITIVE PROXY STATEMENTJan 23, 20268-KCompany UpdateDec 23, 20258-KExecutive Change · Reg FD DisclosureDec 19, 202510-K10-KDec 12, 20258-KResults of OperationsDec 8, 20258-KCompany UpdateAug 28, 202510-Q10-QAug 11, 20258-KResults of OperationsAug 11, 20258-KExecutive ChangeJun 27, 202511-K11-KJun 26, 20258-KMaterial Agreement · New Debt / ObligationJun 16, 20258-KReg FD DisclosureJun 3, 202510-Q10-QMay 8, 20258-KResults of OperationsMay 7, 20258-KExecutive Change · Reg FD DisclosureMar 25, 20258-KShareholder VoteMar 11, 2025DEFA14ADEF 14AFeb 18, 202510-Q10-QFeb 10, 20258-KResults of OperationsFeb 10, 20258-KExecutive ChangeJan 28, 2025DEFA14ADEFINITIVE ADDITIONAL PROXY SOLICITING MATERIALSJan 23, 2025DEF 14ADEFINITIVE PROXY STATEMENTJan 23, 202510-K10-KDec 16, 20248-KResults of OperationsDec 16, 202410-Q10-QOct 30, 20248-KResults of OperationsOct 30, 202410-Q/A10-Q/AOct 30, 202410-K/A10-K/AOct 29, 20248-KMaterial Agreement · Company UpdateSep 19, 20248-KResults of OperationsSep 17, 2024SC 13GSC 13GSep 16, 20248-KDelisting Notice · Material AgreementAug 16, 202411-K11-KJul 12, 20248-KRestatementJul 3, 20248-KExecutive ChangeJul 1, 20248-KExecutive ChangeJun 25, 20248-KExecutive ChangeJun 10, 20248-KBylaw AmendmentMay 17, 202410-Q10-QMay 15, 20248-KResults of OperationsMay 7, 20248-KMaterial Agreement · Reg FD DisclosureMar 27, 20248-KShareholder VoteMar 8, 20248-KExecutive ChangeFeb 21, 202410-Q10-QFeb 8, 20248-KResults of OperationsFeb 7, 2024DEF 14ACOMPASS MINERALS INTERNATIONAL INC - DEF 14AJan 29, 20248-KExecutive ChangeJan 16, 20248-KExecutive ChangeJan 16, 20248-KExecutive ChangeDec 19, 20238-KAuditor ChangeDec 7, 202310-K10-KNov 29, 20238-KResults of OperationsNov 16, 20238-KReg FD DisclosureSep 21, 20238-KReg FD DisclosureAug 14, 202310-Q10-QAug 8, 20238-KResults of OperationsAug 8, 20238-K/AShareholder VoteJun 30, 202311-K11-KJun 29, 202310-Q10-QMay 9, 20238-KResults of OperationsMay 9, 20238-KMaterial Agreement · New Debt / ObligationMay 9, 20238-KMaterial Agreement · Reg FD DisclosureMay 5, 20238-KExecutive ChangeMay 4, 20238-KCompany UpdateApr 4, 20238-KCompany UpdateApr 4, 20238-KShareholder VoteFeb 21, 202310-Q10-QFeb 7, 20238-KResults of OperationsFeb 7, 2023DEFA14ACOMPASS MINERALS INTERNATIONAL INC - DEFA14AJan 3, 2023DEF 14ACOMPASS MINERALS INTERNATIONAL INC - DEF 14AJan 3, 202310-K10-KDec 14, 20228-KResults of OperationsNov 29, 2022
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