Costco Wholesale (COST) Insider Trading & Ownership $938.75 +9.00 (+0.97%) Closing price 03/27/2025 04:00 PM EasternExtended Trading$936.25 -2.50 (-0.27%) As of 03/27/2025 07:59 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 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)10Amount OfInsider Selling(Last 12 Months)$19.86 M Get COST Insider Trade Alerts Want to know when executives and insiders are buying or selling Costco Wholesale stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily. Email Address COST Insider Buying and Selling by Quarter Remove Ads 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 TransactionDetails3/27/2025Gary MillerchipEVPSell1,100$940.01$1,034,011.00 3/24/2025Claudine AdamoEVPSell900$922.56$830,304.00 3/11/2025Roland Michael VachrisCEOSell3,600$931.00$3,351,600.00 2/26/2025Greg 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 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 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. 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 7/15/2024Daniel M HinesInsiderSell1,500$848.53$1,272,795.00 7/15/2024Kenneth D DenmanDirectorSell350$851.53$298,035.50 7/12/2024Daniel M HinesInsiderSell1,500$844.20$1,266,300.00 7/2/2024Kathy E. ManningU.S. Congress Member (D-NC)Buy$859.36$1,001 - $15,0006/24/2024Marjorie Taylor GreeneU.S. Congress Member (R-GA)Buy$848.16$1,001 - $15,0005/15/2024Greg LandsmanU.S. Congress Member (D-OH)Buy$787.04$1,001 - $15,0004/17/2024Russell D MillerEVPSell785$722.86$567,445.10 (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, James P Murphy, Kenneth D Denman, Mary Agnes Wilderotter, Patrick J Callans, Pierre Riel, Richard A Galanti, Roland Michael Vachris, Russell D Miller, Susan L Decker, Teresa A Jones, Timothy L Rose, 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 ($1,479,368.00), Claudine Adamo ($6,155,296.80), Daniel M Hines ($3,466,315.00), Gary Millerchip ($1,034,011.00), James C Klauer ($843,015.00), Kenneth D Denman ($298,035.50), Patrick J Callans ($1,384,400.00), Pierre Riel ($3,506,780.00), Richard A Galanti ($5,938,575.40), Roland Michael Vachris ($3,351,600.00), Russell D Miller ($6,998,380.10), Susan L Decker ($2,420,833.16), Teresa A Jones ($3,330.20), W Craig Jelinek ($5,487,440.00), and Yoram Rubanenko ($1,700,825.00). How much insider selling is happening at Costco Wholesale? Insiders have sold a total of 61,999 Costco Wholesale shares in the last 24 months for a total of $44,068,205.16 sold. Which members of congress are trading Costco Wholesale? James Comer (R-KY), Marjorie Taylor Greene (R-GA), Kathy E. Manning (D-NC), and Greg Landsman (D-OH) have bought shares of Costco Wholesale in the last year totaling $48,000. Greg Landsman (D-OH) and C. Scott Franklin (R-FL) have sold shares totaling $131,500. Costco Wholesale Key ExecutivesMr. Ron M. Vachris (Age 59)President, CEO & Director Compensation: $1.24MMr. Richard A. Galanti (Age 68)Advisor & Director Compensation: $1.04M1 recent tradesMr. 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: $911.54k1 recent tradesMr. Gary Millerchip (Age 51)Executive VP & CFO 1 recent tradesMr. Patrick J. Callans (Age 61)Executive Vice President of Administration David 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 Walmart Insider Ownership PriceSmart Insider Ownership Target Insider Ownership Dollar General Insider Ownership Dollar Tree Insider Ownership BJ's Wholesale Club Insider Ownership Ollie's Bargain Outlet Insider Ownership Five Below Insider Ownership Home Depot Insider Ownership Alibaba Group 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 NVIDIA Insiders Sell: This Is What It Means for the Market Top 3 Insider Stock Buys in March—Are They Still Good in April?Grocery Outlet Insider and Institutional Buyers Signal BottomSentinelOne Insider Selling? Why Investors Should Stay Bullish 3 Companies Buying Back Stock—Why It Matters This page (NASDAQ:COST) was last updated on 3/28/2025 by MarketBeat.com Staff From Our PartnersA $6.9 Trillion Cash Tsunami Is Coming – Move Your Money NOWExpert: "Prepare For the Mother of All Melt-Ups" In the wake of Wall Street volatility, stock-picking legen...Stansberry Research | SponsoredElon Warns: Exec Order 14024 Targets DollarExecutive Order 14024 is paving the way for irreversible damage to the dollar's value—threatening your wealth,...Priority Gold | SponsoredWarning: “DOGE Collapse” imminentElon Strikes Back You may already sense that the tide is turning against Elon Musk and DOGE. 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