Marker Therapeutics, Inc.
    SEC Filings

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

    Financials

    10-QQuarterly reportView DiffAug 14, 2026
    10-QQuarterly reportView DiffMay 15, 2026
    ARSAnnual report to shareholdersMar 20, 2026
    10-KAnnual reportView DiffMar 18, 2026
    10-QQuarterly reportView DiffNov 13, 2025
    10-QQuarterly reportView DiffAug 14, 2025
    10-QQuarterly reportView DiffMay 15, 2025
    ARSAnnual report to shareholdersApr 24, 2025
    10-KAnnual reportView DiffMar 31, 2025
    10-QQuarterly reportView DiffNov 14, 2024

    Events

    8-KAmendments to Articles of Incorporation or BylawsMay 4, 2026
    8-KMarker Therapeutics Reports Year-End 2025 Corporate and Financial ResultsMar 18, 2026
    8-KShareholder Nominations Pursuant to Exchange Act Rule 14a-11Feb 9, 2026
    8-KMarker Therapeutics Reports Third Quarter 2025 Financial Results and Provides Business UpdatesNov 14, 2025
    8-KMarker Therapeutics Appoints Kathryn Penkus Corzo to Board of DirectorsNov 5, 2025
    8-KMarker Therapeutics Announces First Patient Treated in Off-The-Shelf ProgramOct 6, 2025
    8-KMarker Therapeutics Provides Update on Phase 1 Apollo Study Highlighting Encouraging Overall Response Rates in Relapsed LymphomaAug 26, 2025
    8-KChanges in Registrant'S Certifying AccountantAug 12, 2025
    8-KEntry Into a Material Definitive AgreementJun 17, 2025
    8-KSubmission of Matters to a Vote of Security HoldersJun 9, 2025

    Registrations and Prospectuses

    424B7Prospectus with selling stockholder infoAug 5, 2025
    424B3Prospectus supplementJan 17, 2025
    S-3Shelf registrationView DiffJan 10, 2025
    D$16.10 Mm in Equity / Securities to Be Acquired, Sold $16.10 Mm, 5 InvestorsDec 30, 2024
    424B3Prospectus supplementDec 6, 2024
    S-3Shelf registrationNov 27, 2024
    424B5Prospectus supplement for primary offeringMar 22, 2023
    424B3Prospectus supplementJan 3, 2023
    S-1IPO registrationDec 23, 2022
    S-8Registration of securities for employeesAug 11, 2022

    Proxies

    DEFA14AAdditional proxy soliciting materialsMar 20, 2026
    DEF 14ADefinitive proxyView DiffMar 20, 2026
    PRE 14APreliminary proxyView DiffMar 10, 2026
    DEFA14AAdditional proxy soliciting materialsApr 24, 2025
    DEF 14ADefinitive proxyView DiffApr 24, 2025
    DEFA14AAdditional proxy soliciting materialsFeb 4, 2025
    DEF 14ADefinitive proxyView DiffFeb 4, 2025
    PRE 14APreliminary proxyView DiffJan 13, 2025
    DEF 14ADefinitive proxyView DiffApr 26, 2024
    DEF 14ADefinitive proxyView DiffApr 28, 2023

    Other

    EFFECTNotice of effectivenessJan 21, 2025
    UPLOADLetter from SECJan 15, 2025
    CORRESPCorrespondence with SECJan 15, 2025
    EFFECTNotice of effectivenessDec 9, 2024
    CORRESPCorrespondence with SECDec 4, 2024
    UPLOADLetter from SECDec 4, 2024
    EFFECTNotice of effectivenessJan 3, 2023
    CORRESPCorrespondence with SECDec 29, 2022
    UPLOADLetter from SECDec 29, 2022
    EFFECTNotice of effectivenessAug 20, 2021

    Ownership

    4Katharine KnobilNov 19, 2025
    4Norman David EansorNov 19, 2025
    4Steve ElmsNov 19, 2025
    SC 13D/AMarker Therapeutics, Inc.Nov 17, 2025
    SC 13G/AMarker Therapeutics, Inc.Nov 14, 2025
    4Kathryn Penkus CorzoNov 4, 2025
    4Juan VeraNov 4, 2025
    3Kathryn Penkus CorzoNov 4, 2025
    SC 13D/AMarker Therapeutics, Inc.Aug 20, 2025
    SC 13D/AMarker Therapeutics, Inc.Aug 19, 2025