Plug Power Inc.
    SEC Filings

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    All SEC filings by Plug Power Inc. (PLUG) — annual and quarterly reports, current reports, registrations, proxies and ownership forms, updated in real time.

    Financials

    10-QQuarterly reportView DiffAug 10, 2026
    10-QQuarterly reportView DiffMay 11, 2026
    ARSAnnual report to shareholdersApr 30, 2026
    10-KAnnual reportView DiffMar 2, 2026
    10-QQuarterly reportView DiffNov 10, 2025
    10-QQuarterly reportView DiffAug 11, 2025
    ARSAnnual report to shareholdersJun 9, 2025
    10-QQuarterly reportView DiffMay 12, 2025
    10-K/AAnnual reportView DiffApr 30, 2025
    10-KAnnual reportView DiffMar 3, 2025

    Events

    8-KPlug Reports Revenue of ~$178 Million, ~break-Even Gross Margin, Net Cash Usage of ~$61 Million and Increases Revenue Guidance for 2026Aug 10, 2026
    8-KEntry Into a Material Definitive AgreementJul 13, 2026
    8-KCurrent reportJun 15, 2026
    8-KCurrent reportJun 11, 2026
    8-KCurrent reportJun 4, 2026
    8-KPlug Power Reports Strong Q1 2026 Results with 22% Revenue Growth and 71% Margin Improvement Year Over YearMay 11, 2026
    8-KDeparture of Directors or Certain OfficersMar 10, 2026
    8-KPlug Power Reports Q4 and Full Year 2025 Results with Strong Sales Growth and Margin ExpansionMar 2, 2026
    8-KFirst of Three Phases of Targeted Strategic Infrastructure Optimization InitiativeFeb 26, 2026
    8-KAmendments to Articles of Incorporation or BylawsFeb 13, 2026

    Registrations and Prospectuses

    S-8Registration of securities for employeesJun 18, 2026
    S-8Registration of securities for employeesMar 6, 2026
    424B5Prospectus supplement for primary offeringOct 8, 2025
    424B5Prospectus supplement for primary offeringSep 30, 2025
    424B7Prospectus with selling stockholder infoSep 22, 2025
    424B5Prospectus supplement for primary offeringAug 15, 2025
    424B7Prospectus with selling stockholder infoJul 9, 2025
    424B7Prospectus with selling stockholder infoJun 6, 2025
    424B7Prospectus with selling stockholder infoJun 6, 2025
    S-3ASRAutomatic shelf registrationMay 27, 2025

    Proxies

    DEFA14AAdditional proxy soliciting materialsJun 4, 2026
    DEFA14AAdditional proxy soliciting materialsJun 4, 2026
    DEFA14AAdditional proxy soliciting materialsApr 30, 2026
    DEF 14ADefinitive proxyView DiffApr 30, 2026
    DEFA14AAdditional proxy soliciting materialsFeb 11, 2026
    DEFA14AAdditional proxy soliciting materialsFeb 10, 2026
    DEFA14AAdditional proxy soliciting materialsFeb 6, 2026
    DEFA14AAdditional proxy soliciting materialsFeb 4, 2026
    DEFA14AAdditional proxy soliciting materialsFeb 3, 2026
    DEFA14AAdditional proxy soliciting materialsFeb 2, 2026

    Other

    SDConflict minerals disclosureMay 29, 2026
    SDConflict minerals disclosureMay 30, 2025
    UPLOADLetter from SECOct 7, 2024
    CORRESPCorrespondence with SECOct 3, 2024
    UPLOADLetter from SECSep 23, 2024
    CORRESPCorrespondence with SECSep 11, 2024
    UPLOADLetter from SECAug 27, 2024
    UPLOADLetter from SECMar 21, 2022
    CORRESPCorrespondence with SECJan 19, 2022
    UPLOADLetter from SECDec 20, 2021

    Ownership

    144Notice of proposed sale of securities5h ago
    SC 13G/ABeneficial ownership reportJul 29, 2026
    4Kenausis GregoryJul 6, 2026
    4Joggerst PatrickJul 6, 2026
    4Haycraft BenjaminJul 6, 2026
    4Bonney Mark JJul 6, 2026
    4Angle Colin MJul 6, 2026
    4Marsh AndrewJul 2, 2026
    4Middleton Paul BJun 29, 2026
    4Conway Gerard L JrJun 29, 2026