FuelCell Energy, Inc.
    SEC Filings

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    All SEC filings by FuelCell Energy, Inc. (FCEL) — annual and quarterly reports, current reports, registrations, proxies and ownership forms, updated in real time.

    Financials

    10-QQuarterly reportView DiffSep 2, 2026
    10-QQuarterly reportView DiffJun 8, 2026
    10-QQuarterly reportView DiffMar 9, 2026
    ARSAnnual report to shareholdersFeb 18, 2026
    10-KAnnual reportView DiffDec 18, 2025
    10-QQuarterly reportView DiffSep 9, 2025
    10-QQuarterly reportView DiffJun 6, 2025
    10-QQuarterly reportView DiffMar 11, 2025
    ARSAnnual report to shareholdersFeb 21, 2025
    10-KAnnual reportView DiffDec 27, 2024

    Events

    8-KExecutes First Data Center Power Agreement, Increases Annualized Production Rate & Focuses on Capacity ExpansionSep 2, 2026
    8-KCurrent reportJul 21, 2026
    8-KFuelcell Energy Announces Launch of Offering of Common StockJul 9, 2026
    8-KCurrent reportJun 24, 2026
    8-KCurrent reportJun 8, 2026
    8-KFuelcell Energy Elects Cybersecurity Entrepreneur and Mckinsey Veteran John Livingston to Board of DirectorsMay 21, 2026
    8-KDeparture of Directors or Certain OfficersApr 6, 2026
    8-KAdvances Data Center Power StrategyMar 9, 2026
    8-KDeparture of Directors or Certain OfficersFeb 4, 2026
    8-KDeparture of Directors or Certain OfficersJan 7, 2026

    Registrations and Prospectuses

    424B7Prospectus with selling stockholder infoJul 21, 2026
    424B5Prospectus supplement for primary offeringJul 8, 2026
    424B5Prospectus supplement for primary offeringJul 7, 2026
    S-3ASRAutomatic shelf registrationJun 8, 2026
    S-8Registration of securities for employeesApr 10, 2026
    424B5Prospectus supplement for primary offeringDec 30, 2025
    S-3Shelf registrationApr 30, 2025
    S-8Registration of securities for employeesApr 21, 2025
    424B5Prospectus supplement for primary offeringMar 10, 2025
    POS AMProspectus update (post-effective amendment)Mar 5, 2025

    Proxies

    DEFA14AAdditional proxy soliciting materialsFeb 18, 2026
    DEF 14ADefinitive proxyView DiffFeb 18, 2026
    DEFA14AAdditional proxy soliciting materialsApr 3, 2025
    DEFA14AAdditional proxy soliciting materialsFeb 21, 2025
    DEF 14ADefinitive proxyView DiffFeb 21, 2025
    PX14A6GLetter to shareholdersSep 24, 2024
    DEFA14AAdditional proxy soliciting materialsSep 17, 2024
    DEF 14ADefinitive proxyView DiffSep 17, 2024
    PRE 14APreliminary proxyView DiffSep 6, 2024
    DEFA14AAdditional proxy soliciting materialsAug 20, 2024

    Other

    SDConflict minerals disclosureMay 28, 2026
    SDConflict minerals disclosureMay 28, 2025
    EFFECTNotice of effectivenessMay 9, 2025
    UPLOADLetter from SECMay 6, 2025
    CORRESPCorrespondence with SECMay 6, 2025
    EFFECTNotice of effectivenessMar 11, 2025
    CORRESPCorrespondence with SECMar 6, 2025
    CORRESPCorrespondence with SECMar 5, 2025
    UPLOADLetter from SECJan 6, 2025
    SDConflict minerals disclosureMay 30, 2024

    Ownership

    SC 13G/ABeneficial ownership reportAug 14, 2026
    SC 13GBeneficial ownership reportAug 4, 2026
    SC 13GBeneficial ownership reportJul 28, 2026
    4Livingston Iii Homer JohnJul 20, 2026
    4Livingston Iii Homer JohnJul 16, 2026
    4Hansen Cynthia LJul 16, 2026
    4England James HerbertJul 16, 2026
    SC 13GBeneficial ownership reportJul 13, 2026
    4Achanta ShankarJul 8, 2026
    144Notice of proposed sale of securitiesJul 6, 2026