Quantum-Si (QSI) Insider Trading & Ownership $1.82 +0.02 (+1.11%) Closing price 04:00 PM EasternExtended Trading$1.82 -0.01 (-0.27%) As of 05:56 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 ForecastsChartCompetitorsEarningsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Quantum-Si (NASDAQ:QSI) Insider Buying and Selling ActivityCurrentInsider OwnershipPercentage30.04%Number OfInsiders Buying(Last 12 Months)3Amount OfInsider Buying(Last 12 Months)$213.52KNumber OfInsiders Selling(Last 12 Months)4Amount OfInsider Selling(Last 12 Months)$11.86M Get QSI Insider Trade Alerts Want to know when executives and insiders are buying or selling Quantum-Si stock? 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Email Address QSI Insider Buying and Selling by Quarter Quantum-Si 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 TransactionDetails6/23/2025Jeffrey Alan HawkinsCEOSell23,705$1.61$38,165.05 6/23/2025Jeffry R KeyesCFOSell8,624$1.61$13,884.64 6/23/2025John S VieceliInsiderSell21,923$1.61$35,296.03 3/21/2025Jeffrey Alan HawkinsCEOSell23,707$1.39$32,952.73 3/21/2025Jeffry R KeyesCFOSell8,626$1.39$11,990.14 3/21/2025John S VieceliInsiderSell4,317$1.39$6,000.63 12/27/2024Jonathan M RothbergDirectorSell3,506,267$3.34$11,710,931.78 12/23/2024John S VieceliInsiderSell4,306$1.29$5,554.74 9/23/2024John S VieceliInsiderSell2,192$0.95$2,082.40 8/12/2024Charles R KummethDirectorBuy31,100$0.89$27,679.00 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. 8/9/2024Charles R KummethDirectorBuy138,900$0.87$120,843.00 8/9/2024Christian LapointeGeneral CounselBuy25,000$0.86$21,500.00 8/9/2024Jeffry R KeyesCFOBuy50,000$0.87$43,500.00 (Data available from 1/1/2013 forward) QSI Insider Trading Activity - Frequently Asked Questions Who is on Quantum-Si's Insider Roster? The list of insiders at Quantum-Si includes Charles R Kummeth, Christian Lapointe, Grace Johnston, Jeffrey Alan Hawkins, Jeffry R Keyes, John S Vieceli, and Jonathan M Rothberg. Learn more on insiders at QSI. What percentage of Quantum-Si stock is owned by insiders? 30.04% of Quantum-Si stock is owned by insiders. Learn more on QSI's insider holdings. Which Quantum-Si insiders have been buying company stock? The following insiders have purchased QSI shares in the last 24 months: Charles R Kummeth ($148,522.00), Christian Lapointe ($38,900.00), Jeffrey Alan Hawkins ($44,000.00), and Jeffry R Keyes ($124,000.00). How much insider buying is happening at Quantum-Si? Insiders have purchased a total of 330,000 QSI shares in the last 24 months for a total of $355,422.00 bought. Which Quantum-Si insiders have been selling company stock? The following insiders have sold QSI shares in the last 24 months: Grace Johnston ($9,077.19), Jeffrey Alan Hawkins ($71,117.78), Jeffry R Keyes ($25,874.78), John S Vieceli ($48,933.80), and Jonathan M Rothberg ($11,710,931.78). How much insider selling is happening at Quantum-Si? Insiders have sold a total of 3,611,195 Quantum-Si shares in the last 24 months for a total of $11,865,935.33 sold. Quantum-Si Key ExecutivesDr. Jonathan M. Rothberg Ph.D. (Age 60)Founder & Executive Chairman Compensation: $113.14kMr. Jeffrey Alan Hawkins (Age 46)President, CEO & Director Compensation: $1.05M2 recent tradesMr. Jeffry R. Keyes (Age 51)CFO & Treasurer Compensation: $408.63k2 recent tradesDr. Grace Johnston Ph.D. (Age 41)Chief Commercial Officer Compensation: $726.45kMr. Todd RearickChief Technology OfficerMr. Juan Esteban AvendanoVice President of Investor RelationsDr. Christian Lapointe J.D. (Age 52)Ph.D., General Counsel & Corporate Secretary Compensation: $490kMr. Alex A. HutchesonSenior Vice President of Sales & ServiceMs. Katherine AtkinsonSenior Vice President of Demand Generation & Corporate BrandMr. Johan DeneckeSenior Vice President of Operations More Insider Trading Tools from MarketBeat Related Companies Transcat Insider Ownership Eyepoint Pharmaceuticals Insider Ownership Allient Insider Ownership Standard BioTools Insider Ownership Cytek Biosciences Insider Ownership Aehr Test Systems Insider Ownership Senseonics Insider Ownership Quanterix Insider Ownership 908 Devices Insider Ownership Frequency Electronics 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 Insider 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? 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