Diamond Hill Investment Group (DHIL) Insider Trading & Ownership $145.76 -2.87 (-1.93%) Closing price 08/29/2025 04:00 PM EasternExtended Trading$145.94 +0.19 (+0.13%) As of 08/29/2025 04:10 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Insider Trades Stock AnalysisChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Diamond Hill Investment Group (NASDAQ:DHIL) Insider Buying and Selling ActivityCurrentInsider OwnershipPercentage4.60%Number OfInsiders Buying(Last 12 Months)2Amount OfInsider Buying(Last 12 Months)$931.65KNumber OfInsiders Selling(Last 12 Months)4Amount OfInsider Selling(Last 12 Months)$2.18M Get DHIL Insider Trade Alerts Want to know when executives and insiders are buying or selling Diamond Hill Investment Group stock? 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DHIL Insider Buying and Selling by Quarter Diamond Hill Investment Group Insider and Congressional Trades History Insiders and Members of Congress Insiders Only Members of Congress Only Transaction Type Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year 2 Years 3 Years Time Frame Start Date End Date Export to Excel Transaction DateNameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionDetails6/13/2025Jo Ann QuinifInsiderBuy2,750$144.01$396,027.50 5/6/2025Richard Scott CooleyDirectorBuy278$134.10$37,279.80 5/2/2025Richard Scott CooleyDirectorBuy124$129.00$15,996.00 4/30/2025Richard Scott CooleyDirectorBuy1,000$124.50$124,500.00 3/31/2025Richard Scott CooleyDirectorBuy100$142.50$14,250.00 3/21/2025Richard Scott CooleyDirectorBuy50$143.50$7,175.00 3/12/2025Richard Scott CooleyDirectorBuy500$144.00$72,000.00 3/5/2025Richard Scott CooleyDirectorBuy500$146.00$73,000.00 2/28/2025Richard Scott CooleyDirectorBuy272$144.00$39,168.00 12/20/2024Richard Scott CooleyDirectorBuy1,000$152.25$152,250.00 Get Insider Trades Delivered To Your InboxEnter your email address below to receive a concise daily summary of insider buying activity, insider selling activity and changes in hedge fund holdings. 11/21/2024James F Laird JrDirectorSell6,000$170.26$1,021,560.00 11/14/2024Paula R MeyerDirectorSell300$169.00$50,700.00 11/11/2024James F Laird JrDirectorSell1,000$171.07$171,070.00 11/8/2024Pierre Nicole Renee St.DirectorSell300$167.00$50,100.00 11/6/2024James F Laird JrDirectorSell5,000$168.53$842,650.00 9/23/2024L'quentus ThomasDirectorSell250$161.64$40,410.00 (Data available from 1/1/2013 forward) DHIL Insider Trading Activity - Frequently Asked Questions Who is on Diamond Hill Investment Group's Insider Roster? The list of insiders at Diamond Hill Investment Group includes Heather E Brilliant, James F Laird Jr, Jo Ann Quinif, L'quentus Thomas, Paula R Meyer, Pierre Nicole Renee St., Richard Scott Cooley, and Thomas Edward Line. Learn more on insiders at DHIL. What percentage of Diamond Hill Investment Group stock is owned by insiders? 4.60% of Diamond Hill Investment Group stock is owned by insiders. Learn more on DHIL's insider holdings. Which Diamond Hill Investment Group insiders have been buying company stock? The following insiders have purchased DHIL shares in the last 24 months: Heather E Brilliant ($34,845.00), Jo Ann Quinif ($451,723.50), and Richard Scott Cooley ($610,618.80). How much insider buying is happening at Diamond Hill Investment Group? Insiders have purchased a total of 7,724 DHIL shares in the last 24 months for a total of $1,097,187.30 bought. Which Diamond Hill Investment Group insiders have been selling company stock? The following insiders have sold DHIL shares in the last 24 months: James F Laird Jr ($3,222,170.00), L'quentus Thomas ($40,410.00), Paula R Meyer ($50,700.00), and Pierre Nicole Renee St. ($50,100.00). How much insider selling is happening at Diamond Hill Investment Group? Insiders have sold a total of 20,350 Diamond Hill Investment Group shares in the last 24 months for a total of $3,363,380.00 sold. Diamond Hill Investment Group Key ExecutivesMs. Heather Elizabeth Brilliant C.F.A. (Age 47)President, CEO & Director Compensation: $1.95MMr. Thomas Edward Line CPA (Age 57)CFO & Treasurer Compensation: $788.1kMs. Jo Ann Quinif (Age 48)President of DHCM & Chief Client Officer of DHCM Compensation: $1.35M1 recent tradesMr. Matthew J. Stadelman C.F.A.Chief Investment OfficerMr. Gary Richard Young (Age 54)MD of Administration & Chief Compliance Officer Ms. Carlotta D. KingGeneral Counsel & Corporate SecretaryMs. Susan Stuart CFAHead of CommunicationsMs. Lara Hoffmans C.F.A.Managing Director of MarketingMs. Anna CoronaChief People OfficerMr. Jeffrey J. Cook CPA (Age 43)Controller More Insider Trading Tools from MarketBeat Related Companies VRTS Insider Trading PSEC Insider Trading CSWC Insider Trading OCSL Insider Trading TCPC Insider Trading GLAD Insider Trading GAIN Insider Trading PNNT Insider Trading HRZN Insider Trading WHF Insider Trading Insider Tracking Tools CEO Purchases/Sales CFO Purchases/Sales Top Insider Buying Stocks Top Insider Selling Stocks Insider Trades Screener Insider Trades Newsletter Congressional Stock Trades Insider Trading By Country U.S. Insider Trading Activity Canadian Insider Trading Activity U.K. Insider Trading Activity Australia Insider Trading Activity Latest Articles Costco Faces Downgrades, Death Cross, Insider SellingReynolds Consumer Products Stock Price: Insiders Signal a BottomBuy, Sell, or Hold? Insiders Pile Into These 3 Healthcare StocksInsiders Trade Millions in NVIDIA-Linked Navitas, Hims, & Shift45 Stocks Insiders Are Selling That Analysts Say Buy This page (NASDAQ:DHIL) was last updated on 9/1/2025 by MarketBeat.com Staff From Our PartnersRetire Comfortably with These New Monthly Income ETFs?Too many retirees lie awake at night, worried their savings won’t last. Traditional advice and tiny returns ju...Investors Alley | SponsoredForget Tesla — This Tiny AI Stock Is Musk’s Real PlayWhile Wall Street focused on Tesla’s earnings, Elon Musk was quietly building a supercomputer so powerful it c...Behind the Markets | SponsoredOut of 18,347 Cryptocurrencies... 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