Markel Group (MKL) Insider Trading & Ownership $1,966.36 +11.47 (+0.59%) As of 10:45 AM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Insider Trades Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Markel Group (NYSE:MKL) Insider Buying and Selling ActivityCurrentInsider OwnershipPercentage1.66%Number OfInsiders Buying(Last 12 Months)1Amount OfInsider Buying(Last 12 Months)$200.80KNumber OfInsiders Selling(Last 12 Months)2Amount OfInsider Selling(Last 12 Months)$3.95M Get MKL Insider Trade Alerts Want to know when executives and insiders are buying or selling Markel Group stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily. 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MKL Insider Buying and Selling by Quarter Markel 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 TransactionDetails7/25/2025April McClain DelaneyU.S. Congress Member (D-MD)Buy$2,024.79$1,001 - $15,0007/9/2025April McClain DelaneyU.S. Congress Member (D-MD)Buy$1,999.44$1,001 - $15,0006/23/2025J. French HillU.S. Congress Member (R-AR)Buy$1,985.44$50,001 - $100,0006/23/2025J. French HillU.S. Congress Member (R-AR)Buy$1,985.44$15,001 - $50,0006/6/2025April McClain DelaneyU.S. Congress Member (D-MD)Buy$1,967.74$1,001 - $15,0005/27/2025April McClain DelaneyU.S. Congress Member (D-MD)Buy$1,907.35$1,001 - $15,0005/23/2025Greta J HarrisDirectorSell90$1,861.44$167,529.60 5/13/2025April McClain DelaneyU.S. Congress Member (D-MD)Buy$1,914.52$1,001 - $15,0005/7/2025April McClain DelaneyU.S. Congress Member (D-MD)Buy$1,879.30$1,001 - $15,0004/24/2025April McClain DelaneyU.S. Congress Member (D-MD)Buy$1,810.97$1,001 - $15,0004/9/2025April McClain DelaneyU.S. Congress Member (D-MD)Buy$1,790.22$1,001 - $15,0003/10/2025April McClain DelaneyU.S. Congress Member (D-MD)Buy$1,839.51$1,001 - $15,0003/7/2025April McClain DelaneyU.S. Congress Member (D-MD)Buy$1,895.12$15,001 - $50,0003/6/2025April McClain DelaneyU.S. Congress Member (D-MD)Buy$1,898.98$1,001 - $15,0002/26/2025Steven A MarkelDirectorSell88$1,860.03$163,682.64 2/24/2025Steven A MarkelDirectorSell1,146$1,858.49$2,129,829.54 2/21/2025Steven A MarkelDirectorSell800$1,856.80$1,485,440.00 2/7/2025Thomas Sinnickson GaynerCEOBuy100$2,008.01$200,801.00 (Data available from 1/1/2013 forward) MKL Insider Trading Activity - Frequently Asked Questions Who is on Markel Group's Insider Roster? The list of insiders at Markel Group includes A. Lynne Puckett, Greta J Harris, Lawrence A Cunningham, Morgan E Housel, Steven A Markel, and Thomas Sinnickson Gayner. Learn more on insiders at MKL. What percentage of Markel Group stock is owned by insiders? 1.66% of Markel Group stock is owned by insiders. Learn more on MKL's insider holdings. Which Markel Group insiders have been buying company stock? The following insiders have purchased MKL shares in the last 24 months: A. Lynne Puckett ($201,899.88), Lawrence A Cunningham ($109,987.01), and Thomas Sinnickson Gayner ($473,467.00). How much insider buying is happening at Markel Group? Insiders have purchased a total of 524 MKL shares in the last 24 months for a total of $785,353.89 bought. Which Markel Group insiders have been selling company stock? The following insiders have sold MKL shares in the last 24 months: Greta J Harris ($365,270.86), and Steven A Markel ($10,238,763.66). How much insider selling is happening at Markel Group? Insiders have sold a total of 6,294 Markel Group shares in the last 24 months for a total of $10,604,034.52 sold. Which members of congress are trading Markel Group? April McClain Delaney (D-MD) and J. French Hill (R-AR) have bought shares of Markel Group in the last year totaling $220,000. Markel Group Key ExecutivesMr. Thomas Sinnickson Gayner (Age 63)Chief Investment Officer, CEO & Director Compensation: $2.68MMr. Brian Jeffrey Costanzo (Age 45)CFO & Chief Financial Officer of Markel Insurance Operations Compensation: $739.97kMr. Michael R. Heaton (Age 47)Executive VP & COO Compensation: $1.69MMr. Richard Randolph Grinnan (Age 55)Senior VP, Chief Legal Officer & Secretary Compensation: $1.09MMr. Jeremy Andrew Noble CPA (Age 48)President of Markel Insurance Operations & President of Global Insurance Engine Compensation: $1.69MMs. Meade P. GrandisChief Accounting Officer & ControllerMs. Jennifer BlackwellDeputy Chief Communications OfficerMr. Paul BroughtonManaging Director of MarketingMr. Frederick W. May Jr.Vice President of Sales & Business DevelopmentMr. Jeff LambExecutive Director of Programs and Alliances - Markel Specialty More Insider Trading Tools from MarketBeat Related Companies Arch Capital Group Insider Transactions Cincinnati Financial Insider Transactions American Financial Group Insider Transactions American International Group Insider Transactions Axis Capital Insider Transactions Berkshire Hathaway Insider Transactions Berkshire Hathaway Insider Transactions CNA Financial Insider Transactions The Hartford Insurance Group Insider Transactions Loews Insider Transactions 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 (NYSE:MKL) was last updated on 8/29/2025 by MarketBeat.com Staff From Our PartnersMusk’s Project Colossus could mint millionairesI predict this single breakthrough could make Elon the world’s first trillionaire — and mint more new milliona...Brownstone Research | SponsoredINVESTOR ALERT: Tiny “$3 AI Wonder Stock” on the Verge of Blasting OffRight now, we’re witnessing a monumental shift in the world.Traders Agency | SponsoredBONUS GUIDE - Ben Stein Prepares For the Next Financial CrisisWith inflation high, debt soaring, and global tensions rising, a financial storm may be brewing. 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