Federal Signal Corporation
    SEC Filings

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

    Financials

    10-QQuarterly reportView DiffJul 30, 2026
    10-QQuarterly reportView DiffApr 29, 2026
    ARSAnnual report to shareholdersMar 6, 2026
    10-KAnnual reportView DiffFeb 25, 2026
    10-QQuarterly reportView DiffOct 30, 2025
    10-QQuarterly reportView DiffJul 30, 2025
    10-QQuarterly reportView DiffApr 30, 2025
    ARSAnnual report to shareholdersMar 7, 2025
    10-KAnnual reportView DiffFeb 26, 2025
    10-QQuarterly reportView DiffOct 31, 2024

    Events

    8-KRegulation Fd DisclosureMay 20, 2026
    8-KSubmission of Matters to a Vote of Security HoldersApr 22, 2026
    8-KRegulation Fd DisclosureMar 2, 2026
    8-KDeparture of Directors or Certain OfficersFeb 26, 2026
    8-KOther EventsJan 16, 2026
    8-KRegulation Fd DisclosureJan 14, 2026
    8-KOther EventsDec 18, 2025
    8-KCompletion of Acquisition or Disposition of AssetsDec 1, 2025
    8-KEntry Into a Material Definitive AgreementSep 25, 2025
    8-KSubmission of Matters to a Vote of Security HoldersApr 22, 2025

    Registrations and Prospectuses

    S-8Registration of securities for employeesMay 4, 2021
    S-8Registration of securities for employeesNov 6, 2018
    S-8Registration of securities for employeesMay 15, 2015
    S-8Registration of securities for employeesSep 4, 2013
    S-8Registration of securities for employeesSep 4, 2013
    S-8Registration of securities for employeesAug 3, 2010
    424B5Prospectus supplement for primary offeringMay 7, 2010
    FWPFree writing prospectusMay 7, 2010
    424B3Prospectus supplementMay 3, 2010
    S-3Shelf registrationMar 18, 2010

    Proxies

    DEFA14AProxy FilingMar 6, 2026
    DEFA14AProxy FilingMar 6, 2026
    DEF 14AAnnual Meeting of ShareholdersView DiffMar 6, 2026
    DEFA14AAdditional proxy soliciting materialsMar 10, 2025
    DEFA14AAdditional proxy soliciting materialsMar 7, 2025
    DEF 14ADefinitive proxyView DiffMar 7, 2025
    DEFA14AAdditional proxy soliciting materialsMar 8, 2024
    DEFA14AAdditional proxy soliciting materialsMar 8, 2024
    DEF 14ADefinitive proxyView DiffMar 8, 2024
    DEFA14AAdditional proxy soliciting materialsMar 10, 2023

    Other

    SDConflict minerals disclosureMay 29, 2026
    SDConflict minerals disclosureMay 30, 2025
    SDConflict minerals disclosureMay 31, 2024
    SDConflict minerals disclosureMay 31, 2023
    SDConflict minerals disclosureMay 31, 2022
    SDConflict minerals disclosureMay 21, 2021
    SDConflict minerals disclosureMay 29, 2020
    SDConflict minerals disclosureMay 31, 2019
    SDConflict minerals disclosureMay 31, 2018
    UPLOADLetter from SECSep 25, 2017

    Ownership

    4Maue Richard ASep 28, 2026
    4Vaillancourt Eric A.Sep 28, 2026
    4Reichelderfer BrendaAug 6, 2026
    4Bonina DianeAug 5, 2026
    144Notice of proposed sale of securitiesAug 4, 2026
    144Notice of proposed sale of securitiesAug 3, 2026
    4Vaillancourt Eric A.Jun 29, 2026
    4Maue Richard AJun 29, 2026
    11-KAnnual report of employee stock purchasesJun 18, 2026
    4Sherman Jennifer LMay 5, 2026