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CIFR SEC Filings

SEC filings for CIFR. Annual and quarterly reports, 8-K events, Form 4 insider filings and 13D/G stake disclosures.

All10-K10-Q8-KProxyForm 413D/GLast 12 months
FormFiledAccession
4Mumford Gregory J.D.Chief Financial OfficerOct 16, 2026EDGAR
8-KOct 14, 2026EDGAR
8-KOct 13, 2026EDGAR
4/AKelly Patrick ArthurCo-President and COOOct 8, 2026EDGAR
4/AMumford Gregory J.D.Chief Financial OfficerOct 8, 2026EDGAR
4/AIwaschuk WilliamCo-President and CLOOct 8, 2026EDGAR
4/APage TylerChief Executive OfficerOct 8, 2026EDGAR
SC 13D/AamendedVavilovs Valerijs and 3 other reporting personsOct 8, 2026EDGAR
4Bitfury Group LtdOct 7, 2026EDGAR
4Bitfury Group LtdSep 30, 2026EDGAR
8-KSep 25, 2026EDGAR
SC 13GMORGAN STANLEYAug 13, 2026EDGAR
8-KAug 4, 2026EDGAR
10-QAug 4, 2026EDGAR
4Page TylerChief Executive OfficerJul 10, 2026EDGAR
4Mumford Gregory J.D.Chief Financial OfficerJul 2, 2026EDGAR
4Iwaschuk WilliamCo-President and CLOJul 2, 2026EDGAR
4Kelly Patrick ArthurCo-President and COOJul 2, 2026EDGAR
4Page TylerChief Executive OfficerJul 2, 2026EDGAR
4Page TylerChief Executive OfficerJun 24, 2026EDGAR
4GROSSMAN CARY MJun 23, 2026EDGAR
4Newsome James EJun 18, 2026EDGAR
4Page TylerChief Executive OfficerJun 16, 2026EDGAR
4Kelly Patrick ArthurCo-President and COOJun 16, 2026EDGAR
4Iwaschuk WilliamCo-President and CLOJun 16, 2026EDGAR
8-KJun 15, 2026EDGAR
8-KJun 9, 2026EDGAR
4Bitfury Group LtdJun 8, 2026EDGAR
8-KJun 8, 2026EDGAR
8-KJun 8, 2026EDGAR
4Duda Thomas DavidJun 5, 2026EDGAR
4Flatley RobertJun 5, 2026EDGAR
4GROSSMAN CARY MJun 5, 2026EDGAR
4Long CaitlinJun 5, 2026EDGAR
4Newsome James EJun 5, 2026EDGAR
4Williams Wesley HastieJun 5, 2026EDGAR
4Bitfury Group LtdJun 4, 2026EDGAR
SC 13D/AamendedV3 Holding Ltd and 4 other reporting personsJun 4, 2026EDGAR
4Williams Wesley HastieMay 22, 2026EDGAR
SC 13D/AamendedVavilovs Valerijs and 4 other reporting personsMay 18, 2026EDGAR
4Page TylerChief Executive OfficerMay 14, 2026EDGAR
4Kelly Patrick ArthurCo-President and COOMay 14, 2026EDGAR
SC 13D/AamendedVavilovs Valerijs and 4 other reporting personsMay 13, 2026EDGAR
4Williams Wesley HastieMay 8, 2026EDGAR
4GROSSMAN CARY MMay 8, 2026EDGAR
8-KMay 5, 2026EDGAR
10-QMay 5, 2026EDGAR
SC 13GVanguard Portfolio ManagementApr 29, 2026EDGAR
DEF 14AApr 20, 2026EDGAR
4Mumford Gregory J.D.Chief Financial OfficerApr 7, 2026EDGAR
4Page TylerChief Executive OfficerApr 3, 2026EDGAR
4Iwaschuk WilliamCo-President and CLOApr 3, 2026EDGAR
4Kelly Patrick ArthurCo-President and COOApr 3, 2026EDGAR
4Page TylerChief Executive OfficerMar 27, 2026EDGAR
SC 13G/AamendedThe Vanguard GroupMar 26, 2026EDGAR
4Kelly Patrick ArthurCo-President and COOMar 25, 2026EDGAR
4GROSSMAN CARY MMar 25, 2026EDGAR
8-KMar 25, 2026EDGAR
4Kelly Patrick ArthurCo-President and COOMar 19, 2026EDGAR
4Newsome James EMar 7, 2026EDGAR
4Duda Thomas DavidFeb 27, 2026EDGAR
8-KFeb 24, 2026EDGAR
10-KFeb 24, 2026EDGAR
4Kelly Patrick ArthurCo-President and COOFeb 19, 2026EDGAR
SC 13G/AamendedSusquehanna Securities, LLC and 2 other reporting personsFeb 13, 2026EDGAR
SC 13G/AamendedJANE STREET GROUP, LLC and 3 other reporting personsFeb 12, 2026EDGAR
8-KFeb 11, 2026EDGAR
8-KFeb 11, 2026EDGAR
8-KFeb 5, 2026EDGAR
8-KFeb 3, 2026EDGAR
SC 13G/AamendedThe Vanguard GroupJan 30, 2026EDGAR
4Kelly Patrick ArthurCo-President and COOJan 20, 2026EDGAR
4Page TylerChief Executive OfficerDec 24, 2025EDGAR
4Iwaschuk WilliamCo-President and CLODec 24, 2025EDGAR
4Kelly Patrick ArthurCo-President and COODec 24, 2025EDGAR
4Williams Wesley HastieDec 24, 2025EDGAR
4Newsome James EDec 24, 2025EDGAR
4Page TylerChief Executive OfficerDec 18, 2025EDGAR
4Kelly Patrick ArthurCo-President and COODec 18, 2025EDGAR
4Iwaschuk WilliamCo-President and CLODec 18, 2025EDGAR
4GROSSMAN CARY MNov 28, 2025EDGAR
4Evans Holly MorrowNov 28, 2025EDGAR
8-KNov 24, 2025EDGAR
8-KNov 20, 2025EDGAR
4Kelly Patrick ArthurCo-President and COONov 19, 2025EDGAR
SC 13D/AamendedV3 Holding Ltd and 4 other reporting personsNov 18, 2025EDGAR
4Evans Holly MorrowNov 14, 2025EDGAR
4Williams Wesley HastieNov 14, 2025EDGAR
SC 13GG1 Execution Services, LLC and 2 other reporting personsNov 13, 2025EDGAR
8-KNov 13, 2025EDGAR
4Page TylerChief Executive OfficerNov 12, 2025EDGAR
4Iwaschuk WilliamCo-President and CLONov 6, 2025EDGAR
8-KNov 6, 2025EDGAR
SC 13D/AamendedVavilovs Valerijs and 4 other reporting personsNov 5, 2025EDGAR
8-KNov 4, 2025EDGAR
8-KNov 4, 2025EDGAR
8-KNov 3, 2025EDGAR
10-QNov 3, 2025EDGAR
SC 13GJANE STREET GROUP, LLC and 3 other reporting personsOct 23, 2025EDGAR
8-K/AamendedOct 22, 2025EDGAR
4Kelly Patrick ArthurCo-President and COOOct 16, 2025EDGAR
SC 13D/AamendedVavilovs Valerijs and 4 other reporting personsOct 16, 2025EDGAR
4Bitfury Group LtdOct 16, 2025EDGAR

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Source: SEC EDGAR.