Financial Institutions, Inc.
    SEC Filings

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

    Financials

    10-QQuarterly reportView DiffAug 3, 2026
    10-QQuarterly reportView DiffMay 4, 2026
    ARSAnnual report to shareholdersApr 6, 2026
    10-KAnnual reportView DiffMar 9, 2026
    10-QQuarterly reportView DiffNov 3, 2025
    10-QQuarterly reportView DiffAug 4, 2025
    10-QQuarterly reportView DiffMay 5, 2025
    ARSAnnual report to shareholdersApr 14, 2025
    10-KAnnual reportView DiffMar 12, 2025
    10-QQuarterly reportView DiffNov 4, 2024

    Events

    8-KFinancial Institutions, Inc. Announces Quarterly Cash DividendAug 26, 2026
    8-KFinancial Institutions, Inc. Reports Net Income Available to Common Shareholders of $20.8 Million, or $1.04 Per Diluted Share, for the Second Quarter of 2026Jul 23, 2026
    8-KSubmission of Matters to a Vote of Security HoldersMay 21, 2026
    8-KFinancial Institutions, Inc. Announces Quarterly Cash DividendMay 20, 2026
    8-KResults of Operations and Financial ConditionApr 23, 2026
    8-KDeparture of Directors or Certain OfficersMar 10, 2026
    8-KQuarterly Common Stock Dividend by 3.2% to $0.32Feb 12, 2026
    8-KResults of Operations and Financial ConditionJan 29, 2026
    8-KFinancial Institutions, Inc. Announces Completion of $80.0 Million Private Placement of Subordinated NotesDec 11, 2025
    8-KFinancial Institutions, Inc. Announces Quarterly Cash DividendNov 17, 2025

    Registrations and Prospectuses

    424B3Prospectus supplementFeb 17, 2026
    S-4Registration of securities issued in business combination transactionsJan 30, 2026
    D$80.00 Mm in Debt, Sold $80.00 Mm, 35 InvestorsDec 17, 2025
    S-8Registration of securities for employeesAug 4, 2025
    424B5Prospectus supplement for primary offeringDec 12, 2024
    FWPFree writing prospectusDec 11, 2024
    424B5Prospectus supplement for primary offeringDec 11, 2024
    S-3Shelf registrationNov 26, 2024
    S-3Shelf registrationOct 29, 2021
    S-8Registration of securities for employeesOct 29, 2021

    Proxies

    DEF 14ADefinitive proxyView DiffApr 6, 2026
    DEFA14AAdditional proxy soliciting materialsApr 6, 2026
    DEFA14AAdditional proxy soliciting materialsApr 14, 2025
    DEF 14ADefinitive proxyView DiffApr 14, 2025
    DEFA14AAdditional proxy soliciting materialsApr 12, 2024
    DEF 14ADefinitive proxyView DiffApr 12, 2024
    DEFA14AAdditional proxy soliciting materialsApr 27, 2023
    DEF 14ADefinitive proxyView DiffApr 27, 2023
    DEFA14AAdditional proxy soliciting materialsApr 27, 2022
    DEF 14ADefinitive proxyView DiffApr 27, 2022

    Other

    EFFECTNotice of effectivenessFeb 18, 2026
    CORRESPCorrespondence with SECFeb 12, 2026
    UPLOADLetter from SECFeb 5, 2026
    EFFECTNotice of effectivenessDec 5, 2024
    CORRESPCorrespondence with SECDec 2, 2024
    UPLOADLetter from SECNov 27, 2024
    EFFECTNotice of effectivenessNov 15, 2021
    CORRESPCorrespondence with SECNov 9, 2021
    UPLOADLetter from SECNov 8, 2021
    EFFECTNotice of effectivenessDec 23, 2020

    Ownership

    4Zupan MarkSep 3, 2026
    SC 13G/ABeneficial ownership reportJul 28, 2026
    SC 13GBeneficial ownership reportJul 14, 2026
    11-KAnnual report of employee stock purchasesJun 18, 2026
    4Susan R HollidayMay 21, 2026
    4Andrew W Dorn JrMay 21, 2026
    4Kim E VangelderMay 21, 2026
    4Bruce W HartingMay 21, 2026
    4Mark ZupanMay 21, 2026
    4Dawn H BurlewMay 21, 2026