Costco Wholesale (COST) Insider Trading & Ownership $950.95 -2.96 (-0.31%) Closing price 07/18/2025 04:00 PM EasternExtended Trading$951.68 +0.72 (+0.08%) As of 09:07 AM 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 AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Costco Wholesale (NASDAQ:COST) Insider Buying and Selling ActivityCurrentInsider OwnershipPercentage0.18%Number OfInsiders Buying(Last 12 Months)0Number OfInsiders Selling(Last 12 Months)11Amount OfInsider Selling(Last 12 Months)$29.85M Get COST Insider Trade Alerts Want to know when executives and insiders are buying or selling Costco Wholesale stock? 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Email Address COST Insider Buying and Selling by Quarter Costco Wholesale 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 TransactionDetails7/14/2025Yoram RubanenkoEVPSell4,000$974.96$3,899,840.00 6/18/2025Susan L DeckerDirectorSell547$980.00$536,060.00 6/9/2025Patrick J CallansEVPSell3,000$1,002.77$3,008,310.00 6/6/2025Pierre RielEVPSell2,000$1,014.15$2,028,300.00 5/12/2025Jefferson ShreveU.S. Congress Member (R-IN)Sell$1,016.15$100,001 - $250,0004/21/2025Bruce WestermanU.S. Congress Member (R-AR)Sell$957.77$1,001 - $15,0004/17/2025James C KlauerEVPSell4,000$981.07$3,924,280.00 4/9/2025Ro KhannaU.S. Congress Member (D-CA)Buy$965.19$1,001 - $15,0003/31/2025Jefferson ShreveU.S. Congress Member (R-IN)Sell$945.78$15,001 - $50,0003/27/2025Gary MillerchipEVPSell1,100$940.01$1,034,011.00 3/27/2025Greg LandsmanU.S. Congress Member (D-OH)Sell$938.75$15,001 - $50,0003/27/2025Greg LandsmanU.S. Congress Member (D-OH)Sell$938.75$1,001 - $15,0003/24/2025Claudine AdamoEVPSell900$922.56$830,304.00 3/11/2025Roland Michael VachrisCEOSell3,600$931.00$3,351,600.00 3/3/2025Bruce WestermanU.S. Congress Member (R-AR)Buy$1,046.85$1,001 - $15,0002/26/2025Greg LandsmanU.S. Congress Member (D-OH)Sell$1,031.97$1,001 - $15,0001/28/2025C. Scott FranklinU.S. Congress Member (R-FL)Sell$958.67$50,001 - $100,0001/28/2025C. Scott FranklinU.S. Congress Member (R-FL)Sell$958.67$1,001 - $15,0001/2/2025James ComerU.S. Congress Member (R-KY)Buy$909.81$1,001 - $15,00011/25/2024Marjorie Taylor GreeneU.S. Congress Member (R-GA)Buy$960.89$1,001 - $15,00010/24/2024Richard A GalantiEVPSell1,416$894.68$1,266,866.88 10/15/2024Pierre RielEVPSell2,000$896.71$1,793,420.00 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. 10/11/2024Russell D MillerEVPSell4,400$891.15$3,921,060.00 10/4/2024Marjorie Taylor GreeneU.S. Congress Member (R-GA)Buy$883.11$1,001 - $15,0009/30/2024Claudine AdamoEVPSell3,200$888.99$2,844,768.00 8/15/2024Richard A GalantiEVPSell500$874.05$437,025.00 8/15/2024Susan L DeckerDirectorSell620$876.50$543,430.00 8/13/2024Richard A GalantiEVPSell500$863.88$431,940.00 8/6/2024C. Scott FranklinU.S. Congress Member (R-FL)Sell$816.88$15,001 - $50,0008/1/2024C. Scott FranklinU.S. Congress Member (R-FL)Sell$816.89$1,001 - $15,0007/25/2024Teresa A JonesEVPSell4$832.55$3,330.20 (Data available from 1/1/2013 forward) COST Insider Trading Activity - Frequently Asked Questions Who is on Costco Wholesale's Insider Roster? The list of insiders at Costco Wholesale includes Caton Frates, Claudine Adamo, Daniel M Hines, Gary Millerchip, James C Klauer, Kenneth D Denman, Patrick J Callans, Pierre Riel, Richard A Galanti, Roland Michael Vachris, Russell D Miller, Susan L Decker, Teresa A Jones, W Craig Jelinek, and Yoram Rubanenko. Learn more on insiders at COST. What percentage of Costco Wholesale stock is owned by insiders? 0.18% of Costco Wholesale stock is owned by insiders. Learn more on COST's insider holdings. Which Costco Wholesale insiders have been selling company stock? The following insiders have sold COST shares in the last 24 months: Caton Frates ($1,180,958.00), Claudine Adamo ($6,155,296.80), Daniel M Hines ($3,466,315.00), Gary Millerchip ($1,034,011.00), James C Klauer ($4,767,295.00), Kenneth D Denman ($298,035.50), Patrick J Callans ($4,392,710.00), Pierre Riel ($5,535,080.00), Richard A Galanti ($5,155,545.40), Roland Michael Vachris ($3,351,600.00), Russell D Miller ($6,998,380.10), Susan L Decker ($2,122,748.16), Teresa A Jones ($3,330.20), W Craig Jelinek ($5,487,440.00), and Yoram Rubanenko ($5,600,665.00). How much insider selling is happening at Costco Wholesale? Insiders have sold a total of 71,881 Costco Wholesale shares in the last 24 months for a total of $55,549,410.16 sold. Which members of congress are trading Costco Wholesale? Ro Khanna (D-CA), Bruce Westerman (R-AR), James Comer (R-KY), and Marjorie Taylor Greene (R-GA) have bought shares of Costco Wholesale in the last year totaling $40,000. Jefferson Shreve (R-IN), Bruce Westerman (R-AR), Greg Landsman (D-OH), and C. Scott Franklin (R-FL) have sold shares totaling $387,500. Costco Wholesale Key ExecutivesMr. Ron M. Vachris (Age 59)President, CEO & Director Compensation: $1.24MMr. Richard A. Galanti (Age 68)Advisor & Director Compensation: $1.04MMr. Pierre Riel (Age 60)Executive VP & COO of International Division Compensation: $1.42M1 recent tradesMr. Russell D. Miller (Age 67)Senior EVP and COO of Warehouse Operations - U.S. & Mexico Compensation: $911.54kMr. Gary Millerchip (Age 51)Executive VP & CFO 1 recent tradesMr. Patrick J. Callans (Age 61)Executive Vice President of Administration 1 recent tradesDavid SherwoodVice President of Finance & Investor RelationsMr. John Sullivan (Age 63)Executive VP, General Counsel & Corporate Secretary Sheri FliesSenior Vice President of Global Sustainability & CompliancePeter GrueningSenior VP of Membership, Marketing & Member Service Centers More Insider Trading Tools from MarketBeat Related Companies Apple Insider Ownership Amazon.com Insider Ownership Casey's General Stores Insider Ownership lululemon athletica Insider Ownership Ross Stores Insider Ownership Ulta Beauty Insider Ownership Burlington Stores Insider Ownership Home Depot Insider Ownership Target Insider Ownership Walmart Insider Ownership 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 3 Catalysts Driving Plug Power’s Turnaround CaseInsider Selling Hits Market Leaders—Should You Be Worried?Insiders Spent Millions on These 3 Stocks Over the Past 2 Months3 Small Caps Drawing Insider and Institutional SupportDo They Know Something? Insiders & Congress Buy UnitedHealth This page (NASDAQ:COST) was last updated on 7/21/2025 by MarketBeat.com Staff From Our PartnersINVESTOR ALERT: Tiny “$3 AI Wonder Stock” on the Verge of Blasting OffRight now, we’re witnessing a monumental shift in the world.Traders Agency | SponsoredMarket Panic: Trump Just Dropped a Bomb on Your Stockstock Market Panic: Trump Just Dropped a Bomb on Your Stocks The market is in freefall—and Trump's new tarif...American Alternative | SponsoredThis Signal Only Flashes Once Every 4 Years – And It Just TriggeredThis same signal has appeared twice before in the past 8 years — both times, it kicked off major moves in cryp...Crypto Swap Profits | SponsoredPresidential Bombshell: $150T Resource to Be Released as soon as this Summer?Something extraordinary is happening in Washington. 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