Core & Main (CNM) Insider Trading & Ownership $62.39 +0.47 (+0.76%) As of 11:24 AM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Insider Trades Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Core & Main (NYSE:CNM) Insider Buying and Selling ActivityCurrentInsider OwnershipPercentage3.53%Number OfInsiders Buying(Last 12 Months)0Number OfInsiders Selling(Last 12 Months)10Amount OfInsider Selling(Last 12 Months)$36.26M Get CNM Insider Trade Alerts Want to know when executives and insiders are buying or selling Core & Main stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily. Email Address CNM Insider Buying and Selling by Quarter Core & Main 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 TransactionDetails7/1/2025Robyn L BradburyCFOSell25,000$60.49$1,512,250.00 6/9/2025Mark G WhittenburgGeneral CounselSell49,100$60.03$2,947,473.00 6/6/2025Mark G WhittenburgGeneral CounselSell900$60.03$54,027.00 6/3/2025Laura K SchneiderInsiderSell45,695$56.25$2,570,343.75 5/28/2025John R SchallerEVPSell9,794$55.00$538,670.00 4/28/2025John Weldon StephensCAOSell10,214$53.02$541,546.28 4/7/2025April McClain DelaneyU.S. Congress Member (D-MD)Buy$45.35$1,001 - $15,0004/2/2025John Weldon StephensCAOSell41,963$50.48$2,118,292.24 3/10/2025John R SchallerEVPSell21,868$46.82$1,023,859.76 2/10/2025Bradford A CowlesPresidentSell25,000$54.48$1,362,000.00 2/8/2025April McClain DelaneyU.S. Congress Member (D-MD)Buy$54.55$1,001 - $15,0001/15/2025Mark G WhittenburgGeneral CounselSell1,974$55.29$109,142.46 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. 1/14/2025Bradford A CowlesPresidentSell12,500$54.07$675,875.00 1/10/2025Bradford A CowlesPresidentSell12,500$50.50$631,250.00 1/10/2025John R SchallerEVPSell60,452$50.57$3,057,057.64 1/10/2025Mark G WhittenburgGeneral CounselSell50,000$50.49$2,524,500.00 12/3/2024Bradford A CowlesPresidentSell50,000$55.07$2,753,500.00 12/3/2024Jeffrey D GilesEVPSell25,000$54.71$1,367,750.00 12/3/2024Margaret NewmanDirectorSell15,000$55.25$828,750.00 12/3/2024Stephen O LeclairCEOSell200,000$54.88$10,976,000.00 7/15/2024James G CastellanoDirectorSell12,500$52.22$652,750.00 7/10/2024James G CastellanoDirectorSell200$50.01$10,002.00 (Data available from 1/1/2013 forward) CNM Insider Trading Activity - Frequently Asked Questions Who is on Core & Main's Insider Roster? The list of insiders at Core & Main includes Bradford A Cowles, Cd&R Investment Associates X,, James G Castellano, Jeffrey D Giles, John R Schaller, John Weldon Stephens, Laura K Schneider, Margaret Newman, Mark G Whittenburg, Mark R Witkowski, Orvin T Kimbrough, Robyn L Bradbury, and Stephen O Leclair. Learn more on insiders at CNM. What percentage of Core & Main stock is owned by insiders? 3.53% of Core & Main stock is owned by insiders. Learn more on CNM's insider holdings. Which Core & Main insiders have been selling company stock? The following insiders have sold CNM shares in the last 24 months: Bradford A Cowles ($7,845,875.00), Cd&R Investment Associates X, ($3,900,432,912.78), James G Castellano ($1,095,427.00), Jeffrey D Giles ($4,758,950.00), John R Schaller ($7,468,087.40), John Weldon Stephens ($8,053,912.64), Laura K Schneider ($11,047,343.75), Margaret Newman ($828,750.00), Mark G Whittenburg ($11,234,642.46), Mark R Witkowski ($9,640,900.00), Orvin T Kimbrough ($448,650.00), Robyn L Bradbury ($1,512,250.00), and Stephen O Leclair ($23,696,000.00). How much insider selling is happening at Core & Main? Insiders have sold a total of 113,923,797 Core & Main shares in the last 24 months for a total of $3,988,063,701.03 sold. Which members of congress are trading Core & Main? April McClain Delaney (D-MD) has bought shares of Core & Main in the last year totaling $16,000. Core & Main Key ExecutivesMr. Stephen O. LeClair (Age 55)Chair & Chief Executive Officer Compensation: $2.59MMr. John R. Schaller (Age 68)President Compensation: $1.04M3 recent tradesMr. Bradford A. Cowles (Age 53)President Compensation: $925.99k3 recent tradesMr. Mark R. Witkowski (Age 48)Chief Financial Officer Compensation: $1.27MMr. Mark G. Whittenburg (Age 56)General Counsel & Secretary Compensation: $1.1M4 recent tradesMs. Carrie BusbeeChief Information OfficerMs. Robyn BradburyVice President of Finance & Investor Relations1 recent tradesJennifer NoonanDirector of Marketing & CommunicationsMr. Jeffrey D. GilesExecutive VP of Corporate DevelopmentMs. Yvonne BlandVice President of Sales & Business Development More Insider Trading Tools from MarketBeat Related Companies USFD Insider Selling PFGC Insider Selling SITE Insider Selling AVT Insider Selling GMS Insider Selling REZI Insider Selling CENT Insider Selling GLP Insider Selling WKC Insider Selling DSGR Insider Selling 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 Micron Insiders Sell But Investors Should Buy, Buy, BuyInsider Selling at NVIDIA Could Turn Into an Opportunity The Top Insider Sells From Q2: Buy, Sell, or Hold?3 Hot Trades for Insiders, But Are They Good Buys for Investors?Insiders Chase Income and Stability in American Tower—Here’s Why This page (NYSE:CNM) was last updated on 7/8/2025 by MarketBeat.com Staff From Our PartnersEveryone’s watching Nvidia right now. 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