Vicor Corporation
    SEC Filings

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    All SEC filings by Vicor Corporation (VICR) — annual and quarterly reports, current reports, registrations, proxies and ownership forms, updated in real time.

    Financials

    10-QQuarterly reportView DiffJul 29, 2026
    10-QQuarterly reportView DiffApr 30, 2026
    ARSAnnual report to shareholdersApr 30, 2026
    10-KAnnual reportView DiffMar 2, 2026
    10-QQuarterly reportView DiffOct 29, 2025
    10-QQuarterly reportView DiffAug 1, 2025
    ARSAnnual report to shareholdersApr 30, 2025
    10-QQuarterly reportView DiffApr 30, 2025
    10-KAnnual reportView DiffMar 3, 2025
    10-QQuarterly reportView DiffOct 30, 2024

    Events

    8-KCurrent reportSep 10, 2026
    8-KCurrent reportAug 27, 2026
    8-KJuly 21, 2026 for Immediate ReleaseJul 21, 2026
    8-KCurrent reportJun 23, 2026
    8-KResults of Operations and Financial ConditionApr 21, 2026
    8-KResults of Operations and Financial ConditionFeb 19, 2026
    8-KResults of Operations and Financial ConditionOct 21, 2025
    8-KResults of Operations and Financial ConditionJul 22, 2025
    8-KSubmission of Matters to a Vote of Security HoldersJun 23, 2025
    8-KResults of Operations and Financial ConditionApr 29, 2025

    Registrations and Prospectuses

    S-8Registration of securities for employeesAug 4, 2020
    424B5Prospectus supplement for primary offeringJun 11, 2020
    424B5Prospectus supplement for primary offeringJun 9, 2020
    S-3ASRAutomatic shelf registrationJun 9, 2020
    S-8Registration of securities for employeesJul 26, 2019
    D$1.34m in Equity, Sold $1.34m, 31 InvestorsJun 14, 2018
    S-8Registration of securities for employeesJun 7, 2018
    S-8Registration of securities for employeesAug 7, 2017
    SC TO-I/AIssuer tender offer statementJun 19, 2013
    SC TO-I/AIssuer tender offer statementJun 13, 2013

    Proxies

    DEF 14AAnnual Meeting of ShareholdersView DiffApr 30, 2026
    DEF 14ADefinitive proxyView DiffApr 30, 2025
    DEF 14ADefinitive proxyView DiffApr 29, 2024
    DEF 14ADefinitive proxyView DiffApr 28, 2023
    DEF 14ADefinitive proxyView DiffApr 29, 2022
    DEF 14ADefinitive proxyView DiffApr 30, 2021
    DEFA14AAdditional proxy soliciting materialsJun 23, 2020
    DEFA14AAdditional proxy soliciting materialsJun 4, 2020
    DEF 14ADefinitive proxyView DiffApr 29, 2020
    DEF 14ADefinitive proxyView DiffApr 30, 2019

    Other

    SDConflict minerals disclosureMay 26, 2026
    SDConflict minerals disclosureMay 22, 2025
    SDConflict minerals disclosureMay 28, 2024
    SDConflict minerals disclosureMay 3, 2023
    UPLOADLetter from SECNov 28, 2022
    CORRESPCorrespondence with SECNov 15, 2022
    UPLOADLetter from SECNov 1, 2022
    SDConflict minerals disclosureMay 25, 2022
    SDConflict minerals disclosureMay 25, 2021
    SDConflict minerals disclosureMay 27, 2020

    Ownership

    SC 13G/APrice T Rowe Associates Inc /md Updates Stake in Vicor CorpSep 8, 2026
    4Davies Philip DSep 3, 2026
    SC 13G/AJpmorgan Chase & Co Updates Stake in Vicor CorpSep 3, 2026
    4Anderson Samuel JAug 24, 2026
    4Lavie ZmiraAug 19, 2026
    4Anderson Samuel JAug 18, 2026
    144Notice of proposed sale of securitiesAug 17, 2026
    SC 13G/APrice T Rowe Associates Inc Updates Stake in Vicor CorpAug 14, 2026
    4Davies Philip DAug 5, 2026
    144Notice of proposed sale of securitiesAug 3, 2026