Quantum (QMCO) Insider Trading & Ownership $13.42 +1.16 (+9.42%) As of 12:17 PM 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 Quantum (NASDAQ:QMCO) Insider Buying and Selling ActivityCurrentInsider OwnershipPercentage4.50%Number OfInsiders Buying(Last 12 Months)0Number OfInsiders Selling(Last 12 Months)7Amount OfInsider Selling(Last 12 Months)$10.25 M Get QMCO Insider Trade Alerts Want to know when executives and insiders are buying or selling Quantum stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily. Email Address QMCO Insider Buying and Selling by Quarter Quantum 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 TransactionDetails4/21/2025Brian E CabreraSVPSell1,078$9.65$10,402.70 4/21/2025James J LernerCEOSell2,784$9.65$26,865.60 4/21/2025Lewis W MooreheadCAOSell179$9.65$1,727.35 4/15/2025Pacific Investment ManagementMajor ShareholderSell962,127$10.25$9,861,801.75 4/2/2025Laura A NashCAOSell136$12.85$1,747.60 2/3/2025Kenneth P GianellaCFOSell1,279$21.53$27,536.87 1/16/2025Brian E CabreraSVPSell1,996$35.68$71,217.28 1/16/2025Henk Jan SpanjaardCROSell935$35.68$33,360.80 1/16/2025James J LernerCEOSell2,511$35.68$89,592.48 1/16/2025Kenneth P GianellaCFOSell1,487$35.68$53,056.16 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. 11/8/2024Brian E CabreraSVPSell5,387$4.43$23,864.41 11/8/2024Henk Jan SpanjaardCROSell394$4.43$1,745.42 11/8/2024James J LernerCEOSell6,505$4.43$28,817.15 11/8/2024Kenneth P GianellaCFOSell2,590$4.43$11,473.70 11/8/2024Laura A NashCAOSell685$4.43$3,034.55 (Data available from 1/1/2013 forward) QMCO Insider Trading Activity - Frequently Asked Questions Who is on Quantum's Insider Roster? The list of insiders at Quantum includes Brian E Cabrera, Henk Jan Spanjaard, J Michael Dodson, James J Lerner, John Hurley, Kenneth P Gianella, Laura A Nash, Lewis W Moorehead, and Pacific Investment Management. Learn more on insiders at QMCO. What percentage of Quantum stock is owned by insiders? 4.50% of Quantum stock is owned by insiders. Learn more on QMCO's insider holdings. Which Quantum insiders have been selling company stock? The following insiders have sold QMCO shares in the last 24 months: Brian E Cabrera ($125,398.99), Henk Jan Spanjaard ($35,106.22), James J Lerner ($336,900.83), John Hurley ($50,716.80), Kenneth P Gianella ($92,066.73), Laura A Nash ($9,153.35), Lewis W Moorehead ($1,727.35), and Pacific Investment Management ($9,861,801.75). How much insider selling is happening at Quantum? Insiders have sold a total of 1,004,417 Quantum shares in the last 24 months for a total of $10,512,872.02 sold. Quantum Key ExecutivesMr. James J. Lerner (Age 54)Chairman, President & CEO Compensation: $682.31k2 recent tradesMr. Kenneth P. Gianella (Age 51)Chief Financial Officer Compensation: $362.96k2 recent tradesMr. Brian E. Cabrera (Age 59)Senior VP, Chief Legal & Administrative Officer and Secretary Compensation: $399.35k2 recent tradesMr. Eric IsomVice President of Supply Chain & OperationsMs. Laura A. NashChief Accounting Officer1 recent tradesMr. Willem DirvenChief Information OfficerMs. Natasha BeckleyChief Marketing OfficerMr. Jeff MulderSenior Vice President of Product & EngineeringMr. Ross FujiiChief Customer OfficerMr. Henk Jan SpanjaardChief Revenue Officer1 recent trades More Insider Trading Tools from MarketBeat Related Companies DDD Insider Buying KOPN Insider Buying MKFG Insider Buying LTRX Insider Buying INVE Insider Buying ALOT Insider Buying OSS Insider Buying TACT Insider Buying INTZ Insider Buying SCKT Insider Buying 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 Meta's Institutional & Insider Data Fuels Bulls Despite DisparityTurbulence for Joby Shares: What's Behind the Recent Dip?UnitedHealth Insiders Double Down: Is UNH Stock a Value Play?Sprouts Stock: Insider Sales, But Strong Bullish Signals5 Hot Small-Cap Insiders Bought at the Peak of Tariff Fears This page (NASDAQ:QMCO) was last updated on 5/28/2025 by MarketBeat.com Staff From Our PartnersJuly 2025 Rule Change to Impact Retirement InvestorsThere's a massive change from a new rule going into effect this July. 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