Theriva Biologics, Inc.
    SEC Filings

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

    Financials

    10-QQuarterly reportView DiffAug 11, 2026
    ARSAnnual report to shareholdersJun 29, 2026
    10-QQuarterly reportView DiffMay 5, 2026
    10-KAnnual reportView DiffMar 12, 2026
    10-QQuarterly reportView DiffNov 12, 2025
    10-QQuarterly reportView DiffAug 11, 2025
    ARSAnnual report to shareholdersJul 9, 2025
    10-QQuarterly reportView DiffMay 14, 2025
    10-KAnnual reportView DiffMar 6, 2025
    10-QQuarterly reportView DiffNov 12, 2024

    Events

    8-KBiologics Reports Second Quarter 2026 Operational Highlightsand Financial ResultsAug 11, 2026
    8-KRegulation Fd DisclosureAug 6, 2026
    8-KCurrent reportAug 4, 2026
    8-KRegulation Fd DisclosureJul 7, 2026
    8-KCurrent reportJun 11, 2026
    8-KCurrent reportJun 5, 2026
    8-KTheriva™ Biologics Reports First Quarter 2026 Operational Highlights and Financial ResultsMay 5, 2026
    8-KRegulation Fd DisclosureApr 17, 2026
    8-KOther EventsApr 9, 2026
    8-KRegulation Fd DisclosureMar 23, 2026

    Registrations and Prospectuses

    S-8Registration of securities for employeesAug 24, 2026
    424B5Prospectus supplement for primary offeringDec 3, 2025
    S-3Shelf registrationView DiffNov 7, 2025
    424B5Prospectus supplement for primary offeringOct 29, 2025
    424B5Prospectus supplement for primary offeringOct 24, 2025
    D$13.11 Mm in Options / Securities to Be Acquired, Sold $13.11 Mm, 10 InvestorsOct 23, 2025
    424B5Prospectus supplement for primary offeringOct 16, 2025
    424B5Prospectus supplement for primary offeringOct 16, 2025
    424B5Prospectus supplement for primary offeringOct 16, 2025
    424B5Prospectus supplement for primary offeringOct 16, 2025

    Proxies

    DEF 14ADefinitive proxyView DiffJun 29, 2026
    PRE 14APreliminary proxyView DiffJun 18, 2026
    DEF 14ADefinitive proxyView DiffApr 30, 2026
    PRE 14APreliminary proxyView DiffApr 20, 2026
    DEF 14ADefinitive proxyView DiffMar 16, 2026
    PRE 14APreliminary proxyView DiffMar 4, 2026
    DEF 14ADefinitive proxyView DiffJan 6, 2026
    PRE 14APreliminary proxyView DiffDec 23, 2025
    DEFA14AAdditional proxy soliciting materialsNov 12, 2025
    DEF 14ADefinitive proxyView DiffNov 10, 2025

    Other

    EFFECTNotice of effectivenessDec 3, 2025
    EFFECTNotice of effectivenessMay 8, 2025
    CORRESPCorrespondence with SECMay 5, 2025
    CORRESPCorrespondence with SECMay 5, 2025
    CORRESPCorrespondence with SECJan 23, 2025
    CORRESPCorrespondence with SECJan 23, 2025
    CORRESPCorrespondence with SECJan 21, 2025
    CORRESPCorrespondence with SECJan 21, 2025
    EFFECTNotice of effectivenessSep 26, 2024
    EFFECTNotice of effectivenessSep 26, 2024

    Ownership

    4Steven a ShallcrossJan 6, 2026
    4John J MonahanJan 6, 2026
    4Jeffrey J KrawsJan 6, 2026
    4Jeffrey Alan WolfJan 6, 2026
    SC 13GTheriva Biologics, Inc.Nov 10, 2025
    SC 13G/ATheriva Biologics, Inc.Oct 21, 2025
    SC 13GTheriva Biologics, Inc.Jul 31, 2025
    4Jeffrey Alan WolfMay 1, 2025
    4Steven a ShallcrossMay 1, 2025
    4John J MonahanMay 1, 2025