Vaxart, Inc.
    SEC Filings

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

    Financials

    10-QQuarterly reportView DiffAug 6, 2026
    ARSAnnual report to shareholdersJun 1, 2026
    10-QQuarterly reportView DiffMay 7, 2026
    10-K/AAnnual reportView DiffApr 30, 2026
    10-KAnnual reportView DiffMar 12, 2026
    10-QQuarterly reportView DiffNov 13, 2025
    10-QQuarterly reportView DiffAug 13, 2025
    10-QQuarterly reportView DiffMay 13, 2025
    ARSAnnual report to shareholdersApr 10, 2025
    10-KAnnual reportView DiffMar 20, 2025

    Events

    8-KCurrent reportAug 25, 2026
    8-KVaxart Provides Business Update and Reports Second Quarter 2026 Financial ResultsAug 6, 2026
    8-KCurrent reportJul 28, 2026
    8-KVaxart Announces Results of Annual Meeting of StockholdersJul 17, 2026
    8-KVaxart Reports Topline 12-Month Safety Data From the 400-Participant Sentinel Safety Cohort of the Phase 2b Clinical Trial of Its Oral Pill Covid-19 VaccineJul 7, 2026
    8-KVaxart Enters Cooperation Agreement with Stockholder Group and Announces Board and Corporate Governance EnhancementsJul 2, 2026
    8-KCurrent reportJun 26, 2026
    8-KVaxart Files Preliminary Proxy Statement and Issues Open Letter to ShareholdersMay 19, 2026
    8-KVaxart Provides Business Update and Reports First Quarter 2026 Financial ResultsMay 7, 2026
    8-KVaxart Appoints James Breitmeyer, M.d., Ph.d., to Board of DirectorsApr 23, 2026

    Registrations and Prospectuses

    424B3Prospectus supplementMay 19, 2026
    S-1/AIPO registrationView DiffMay 15, 2026
    S-1IPO registrationMay 8, 2026
    424B5Prospectus supplement for primary offeringMay 4, 2026
    S-3Shelf registrationApr 15, 2026
    25-NSEExchange delistingNov 21, 2025
    424B5Prospectus supplement for primary offeringNov 5, 2025
    424B5Prospectus supplement for primary offeringMar 21, 2025
    424B5Prospectus supplement for primary offeringOct 8, 2024
    S-8Registration of securities for employeesJul 3, 2024

    Proxies

    DEFA14AAdditional proxy soliciting materialsJul 6, 2026
    DEFA14AAdditional proxy soliciting materialsJul 2, 2026
    DFAN14AAdditional proxy materials by non-managementJul 2, 2026
    DEFA14AAdditional proxy soliciting materialsJul 1, 2026
    DEFA14AAdditional proxy soliciting materialsJun 26, 2026
    DEFA14AAdditional proxy soliciting materialsJun 26, 2026
    DEFA14AAdditional proxy soliciting materialsJun 26, 2026
    DEFA14AAdditional proxy soliciting materialsJun 26, 2026
    DFAN14AAdditional proxy materials by non-managementJun 22, 2026
    DEFA14AAdditional proxy soliciting materialsJun 16, 2026

    Other

    EFFECTNotice of effectivenessMay 19, 2026
    EFFECTNotice of effectivenessMay 1, 2026
    EFFECTNotice of effectivenessMay 8, 2023
    CORRESPCorrespondence with SECMay 3, 2023
    UPLOADLetter from SECMar 23, 2023
    UPLOADLetter from SECJan 29, 2021
    CORRESPCorrespondence with SECJan 27, 2021
    UPLOADLetter from SECJan 22, 2021
    CORRESPCorrespondence with SECJan 8, 2021
    UPLOADLetter from SECDec 28, 2020

    Ownership

    4Finney KevinJul 20, 2026
    4Breitmeyer James BJul 17, 2026
    4Heron Elaine JJul 17, 2026
    4Watson W. MarkJul 17, 2026
    4Wheadon David E.Jul 17, 2026
    4W. Mark WatsonMay 26, 2026
    4Jeroen Nicolaas GrasmanMay 21, 2026
    4James B BreitmeyerMay 1, 2026
    3James B BreitmeyerMay 1, 2026
    4Sean TuckerMar 31, 2026