Constellation Software (CSU) Insider Trading & Ownership C$3,855.00 -14.33 (-0.37%) As of 09:41 AM Eastern Add Compare Share Share Insider Trades Stock AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsHeadlinesInsider TradesBuy This Stock Constellation Software (TSE:CSU) Insider Buying and Selling ActivityCurrentInsider OwnershipPercentage5.69%Number OfInsiders Buying(Last 12 Months)1Amount OfInsider Buying(Last 12 Months)C$1.02MNumber OfInsiders Selling(Last 12 Months)0 Get CSU Insider Trade Alerts Want to know when executives and insiders are buying or selling Constellation Software stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily. Subscribe Now View SMS TermsBy entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. 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CSU Insider Buying and Selling by Quarter Constellation Software 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 TransactionDetails9/26/2025Mark Robert MillerInsiderBuy275C$3,695.14C$1,016,163.50 (Data available from 1/1/2013 forward) CSU Insider Trading Activity - Frequently Asked Questions Who is on Constellation Software's Insider Roster? The list of insiders at Constellation Software includes Claire Marie Catherine Kennedy, John Edward Billowits, and Mark Robert Miller. Learn more on insiders at CSU. What percentage of Constellation Software stock is owned by insiders? 5.69% of Constellation Software stock is owned by insiders. Learn more on CSU's insider holdings. Which Constellation Software insiders have been buying company stock? The following insiders have purchased CSU shares in the last 24 months: Claire Marie Catherine Kennedy (C$56,806.95), and Mark Robert Miller (C$1,016,163.50). How much insider buying is happening at Constellation Software? Insiders have purchased a total of 290 CSU shares in the last 24 months for a total of C$1,072,970.45 bought. Which Constellation Software insiders have been selling company stock? The following insider sold CSU shares in the last 24 months: John Edward Billowits (C$7,531,290.00). How much insider selling is happening at Constellation Software? Insiders have sold a total of 2,000 Constellation Software shares in the last 24 months for a total of C$7,531,290.00 sold. Constellation Software Key ExecutivesMr. Mark Leonard (Age 68)Founder, President & Director Mr. Jamal Nizam BakshChief Financial OfficerMr. Damian McKayChief Executive Officer of Vela Software GroupMr. Daniel ZinmanPresident & CEO of Perseus Operating GroupMr. Mark Robert Miller (Age 61)COO & Director Compensation: $2.49M1 recent tradesMr. Bernard AnzarouthChief Investment OfficerMr. Mark DennisonGeneral Counsel & SecretaryMr. Farley NobleSenior Vice President of Large Acquisition GroupMr. Daan DijkhuizenManaging Partner,VMS Ventures More Insider Trading Tools from MarketBeat Related Companies Shopify Insider Selling Saputo Insider Selling BlackBerry Insider Selling Lightspeed Commerce Insider Selling Docebo Insider Selling Precision Drilling Insider Selling Dolly Varden Silver Insider Selling Sherritt International Insider Selling NowVertical Group Insider Selling Cantex Mine Development 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 Marvell Insiders Buy Shares—Should Investors Follow Suit?This Insider Just Made a Massive Bet on Transocean's ComebackInsider Sales Jump at Broadcom and CoreWeave: Red Flag Ahead?Oklo Insiders Sell! Oh No! This Is Why Investors Shouldn’t WorryTop Insider Buys and Sells From September: Buy, Sell, or Hold? This page (TSE:CSU) was last updated on 10/9/2025 by MarketBeat.com Staff From Our PartnersBitcoin grabs headlines, but smart money likes this tokenBitcoin grabs headlines, but smart money likes this token My research team has identified the token positio...Crypto 101 Media | SponsoredBuilding The Infrastructure for the Coming Financial ResetWhile China pushes nearly $1 trillion through its new digital currency, one emerging company is quietly buildi...Intellistake | SponsoredMagnificent 7 being replaced by the “Hidden 7”?BULLISH: It's time to buy this 'hidden' AI stock An award-winning stock-rating system has turned BULLISH on...Chaikin Analytics | SponsoredCapital Gains Tax Strategies for SeniorsCapital gains taxes can take a bite out of your retirement income—unless you have a smart strategy. 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