Middlefield Banc Corp.
    SEC Filings

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    All SEC filings by Middlefield Banc Corp. (MBCN) — annual and quarterly reports, current reports, registrations, proxies and ownership forms, updated in real time.

    Financials

    10-QQuarterly reportView DiffNov 13, 2025
    10-QQuarterly reportView DiffAug 12, 2025
    10-QQuarterly reportView DiffMay 13, 2025
    ARSAnnual report to shareholdersApr 4, 2025
    10-KAnnual reportView DiffMar 13, 2025
    10-K/AAnnual reportView DiffDec 23, 2024
    10-QQuarterly reportView DiffNov 13, 2024
    10-QQuarterly reportView DiffAug 13, 2024
    10-QQuarterly reportView DiffMay 14, 2024
    ARSAnnual report to shareholdersApr 4, 2024

    Events

    8-KDeparture of Directors or Certain OfficersFeb 25, 2026
    8-KDeparture of Directors or Certain OfficersFeb 12, 2026
    8-KFarmers National Banc Corp. and Middlefield Banc Corp. AnnounceFeb 10, 2026
    8-KResults of Operations and Financial ConditionFeb 10, 2026
    8-KOther EventsFeb 9, 2026
    8-KFarmers National Banc Corp. and Middlefield Banc Corp. Announce Regulatory Approvals for MergerFeb 5, 2026
    8-KDeparture of Directors or Certain OfficersJan 16, 2026
    8-KDeparture of Directors or Certain OfficersDec 12, 2025
    8-KOther EventsNov 17, 2025
    8-KEntry Into a Material Definitive AgreementOct 27, 2025

    Registrations and Prospectuses

    15-12GSecurities registration terminationMar 12, 2026
    25-NSEExchange delistingMar 2, 2026
    S-8 POSRegistration of securities for employees (post-effective amendment)Mar 2, 2026
    S-3DPOSRegistration of securities, dividend or interest reinvestment plans, immediately effective (post-effective amendment)Feb 27, 2026
    425Business combination disclosureFeb 5, 2026
    425Business combination disclosureFeb 5, 2026
    425Business combination disclosureJan 30, 2026
    425Business combination disclosureJan 30, 2026
    425Business combination disclosureJan 16, 2026
    425Business combination disclosureJan 16, 2026

    Proxies

    DEFM14AProxy related to mergerDec 19, 2025
    DEF 14ADefinitive proxyView DiffApr 4, 2025
    DEF 14ADefinitive proxyView DiffApr 5, 2024
    DEF 14ADefinitive proxyView DiffApr 4, 2023
    PRE 14APreliminary proxyFeb 24, 2023
    PX14A6GLetter to shareholdersApr 18, 2022
    DEF 14ADefinitive proxyView DiffApr 5, 2022
    DEFA14AAdditional proxy soliciting materialsApr 28, 2021
    DEF 14ADefinitive proxyView DiffApr 5, 2021
    DEF 14ADefinitive proxyView DiffApr 3, 2020

    Other

    EFFECTNotice of effectivenessFeb 1, 2023
    EFFECTNotice of effectivenessSep 23, 2022
    CORRESPCorrespondence with SECSep 20, 2022
    UPLOADLetter from SECAug 15, 2022
    EFFECTNotice of effectivenessJul 25, 2017
    EFFECTNotice of effectivenessJul 21, 2017
    CORRESPCorrespondence with SECJul 19, 2017
    UPLOADLetter from SECJul 18, 2017
    EFFECTNotice of effectivenessMar 15, 2017
    EFFECTNotice of effectivenessNov 23, 2016

    Ownership

    4Carolyn J TurkMar 2, 2026
    4William J SkidmoreMar 2, 2026
    4Michael C VoinovichMar 2, 2026
    4Thomas W BevanMar 2, 2026
    4Kevin a DigeronimoMar 2, 2026
    4Kenneth E JonesMar 2, 2026
    4James J MccaskeyMar 2, 2026
    4Jennifer L MoellerMar 2, 2026
    4Ronald Len Jr. ZimmerlyMar 2, 2026
    4Michael RanttilaMar 2, 2026