Diamond Hill Investment Group, Inc.
    SEC Filings

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    All SEC filings by Diamond Hill Investment Group, Inc. (DHIL) — annual and quarterly reports, current reports, registrations, proxies and ownership forms, updated in real time.

    Financials

    10-KAnnual reportView DiffFeb 26, 2026
    10-QQuarterly reportView DiffOct 30, 2025
    10-QQuarterly reportView DiffJul 29, 2025
    10-QQuarterly reportView DiffApr 29, 2025
    10-KAnnual reportView DiffFeb 26, 2025
    10-QQuarterly reportView DiffNov 4, 2024
    10-QQuarterly reportView DiffJul 31, 2024
    10-QQuarterly reportView DiffMay 8, 2024
    10-KAnnual reportView DiffFeb 29, 2024
    10-QQuarterly reportView DiffOct 31, 2023

    Events

    8-KFirst Eagle Investments Completes Acquisition of Diamond Hill Investment GroupApr 22, 2026
    8-KRegulation Fd DisclosureApr 17, 2026
    8-KOther EventsApr 2, 2026
    8-KOther EventsMar 4, 2026
    8-KDiamond Hill Announces Shareholder Approval of First Eagle TransactionMar 3, 2026
    8-KReports 2025 Financial ResultsFeb 26, 2026
    8-KDeparture of Directors or Certain OfficersFeb 25, 2026
    8-KOther EventsFeb 24, 2026
    8-KDiamond Hill Announces Early Termination of Hart-Scott Rodino Act Waiting PeriodFeb 17, 2026
    8-KOther EventsFeb 3, 2026

    Registrations and Prospectuses

    15-12GSecurities registration terminationMay 4, 2026
    S-8 POSRegistration of securities for employees (post-effective amendment)Apr 22, 2026
    S-8 POSRegistration of securities for employees (post-effective amendment)Apr 22, 2026
    S-8 POSRegistration of securities for employees (post-effective amendment)Apr 22, 2026
    S-8 POSRegistration of securities for employees (post-effective amendment)Apr 22, 2026
    25-NSEExchange delistingApr 22, 2026
    S-8 POSRegistration of securities for employees (post-effective amendment)Apr 29, 2025
    S-8Registration of securities for employeesApr 29, 2025
    S-8Registration of securities for employeesJun 14, 2022
    S-8Registration of securities for employeesMay 12, 2021

    Proxies

    DEFA14AAdditional proxy soliciting materialsApr 13, 2026
    DEF 14ADefinitive proxyView DiffApr 13, 2026
    DEFA14AAdditional proxy soliciting materialsFeb 17, 2026
    DEFA14AAdditional proxy soliciting materialsJan 28, 2026
    DEFM14AProxy related to mergerJan 28, 2026
    PREM14APreliminary proxy related to mergerJan 16, 2026
    DEFA14AAdditional proxy soliciting materialsDec 18, 2025
    DEFA14AAdditional proxy soliciting materialsDec 11, 2025
    DEFA14AAdditional proxy soliciting materialsDec 11, 2025
    DEFA14AAdditional proxy soliciting materialsDec 11, 2025

    Other

    UPLOADLetter from SECFeb 17, 2016
    CORRESPCorrespondence with SECJan 25, 2016
    CORRESPCorrespondence with SECJan 15, 2016
    CORRESPCorrespondence with SECDec 21, 2015
    UPLOADLetter from SECDec 18, 2015
    UPLOADLetter from SECFeb 12, 2010
    UPLOADLetter from SECFeb 4, 2010
    CORRESPCorrespondence with SECJan 29, 2010
    UPLOADLetter from SECDec 14, 2009
    CORRESPCorrespondence with SECMay 18, 2009

    Ownership

    SC 13G/ABeneficial ownership reportMay 5, 2026
    SC 13G/ABeneficial ownership reportApr 28, 2026
    4Richard Scott CooleyApr 22, 2026
    4Gordon B FowlerApr 22, 2026
    4Austin HawleyApr 22, 2026
    4Thomas Edward LineApr 22, 2026
    4Paula R MeyerApr 22, 2026
    4Jo Ann QuinifApr 22, 2026
    4Pierre Nicole Renee St.Apr 22, 2026
    4L'Quentus ThomasApr 22, 2026