MaxCyte (MXCT) Insider Trading & Ownership $1.36 -0.05 (-3.55%) Closing price 08/15/2025 04:00 PM EasternExtended Trading$1.37 +0.01 (+0.74%) As of 08/15/2025 07:50 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 ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock MaxCyte (NASDAQ:MXCT) Insider Buying and Selling ActivityCurrentInsider OwnershipPercentage3.30%Number OfInsiders Buying(Last 12 Months)5Amount OfInsider Buying(Last 12 Months)$479.95KNumber OfInsiders Selling(Last 12 Months)5Amount OfInsider Selling(Last 12 Months)$307.06K Get MXCT Insider Trade Alerts Want to know when executives and insiders are buying or selling MaxCyte stock? 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Email Address MXCT Insider Buying and Selling by Quarter MaxCyte 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 TransactionDetails8/13/2025Douglas J SwirskyCFOBuy50,000$1.29$64,500.00 8/13/2025Maher MasoudCEOBuy75,000$1.37$102,750.00 8/13/2025Richard DouglasDirectorBuy80,000$1.39$111,200.00 8/13/2025Stanley C ErckDirectorBuy100,000$1.37$137,000.00 8/13/2025William W BrookeDirectorBuy50,000$1.29$64,500.00 3/18/2025Ali SoleymannezhadInsiderSell1,211$3.18$3,850.98 3/18/2025David I SandovalGeneral CounselSell353$3.18$1,122.54 3/18/2025Douglas J SwirskyCFOSell6,939$3.18$22,066.02 1/27/2025John Joseph JohnstonDirectorSell3,000$4.64$13,920.00 1/13/2025David I SandovalGeneral CounselSell4,466$4.54$20,275.64 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. 12/26/2024John Joseph JohnstonDirectorSell3,000$4.01$12,030.00 10/28/2024John Joseph JohnstonDirectorSell3,000$3.72$11,160.00 10/2/2024Stanley C ErckDirectorSell21,607$3.71$80,161.97 9/26/2024John Joseph JohnstonDirectorSell3,000$3.82$11,460.00 9/4/2024Stanley C ErckDirectorSell29,767$3.97$118,174.99 8/26/2024John Joseph JohnstonDirectorSell3,000$4.28$12,840.00 (Data available from 1/1/2013 forward) MXCT Insider Trading Activity - Frequently Asked Questions Who is on MaxCyte's Insider Roster? The list of insiders at MaxCyte includes Ali Soleymannezhad, Casdin Partners Master Fund, L, David I Sandoval, Douglas Doerfler, Douglas J Swirsky, John Joseph Johnston, Maher Masoud, Richard Douglas, Stanley C Erck, Thomas M Ross, and William W Brooke. Learn more on insiders at MXCT. What percentage of MaxCyte stock is owned by insiders? 3.30% of MaxCyte stock is owned by insiders. Learn more on MXCT's insider holdings. Which MaxCyte insiders have been buying company stock? The following insiders have purchased MXCT shares in the last 24 months: Douglas J Swirsky ($64,500.00), Maher Masoud ($591,863.29), Richard Douglas ($111,200.00), Stanley C Erck ($137,000.00), and William W Brooke ($64,500.00). How much insider buying is happening at MaxCyte? Insiders have purchased a total of 455,000 MXCT shares in the last 24 months for a total of $969,063.29 bought. Which MaxCyte insiders have been selling company stock? The following insiders have sold MXCT shares in the last 24 months: Ali Soleymannezhad ($3,850.98), David I Sandoval ($21,398.18), Douglas Doerfler ($127,750.00), Douglas J Swirsky ($22,066.02), John Joseph Johnston ($256,791.70), Stanley C Erck ($198,336.96), and Thomas M Ross ($261,122.94). How much insider selling is happening at MaxCyte? Insiders have sold a total of 213,174 MaxCyte shares in the last 24 months for a total of $891,316.78 sold. MaxCyte Key ExecutivesMr. Maher Masoud (Age 49)President, CEO & Executive Director Compensation: $650.98k1 recent tradesMr. Douglas Arthur Doerfler (Age 68)Founder Compensation: $2.34MMr. Douglas J. Swirsky CFA (Age 55)CPA, Chief Financial Officer Compensation: $607.42k2 recent tradesMr. Jay GelfmanSenior Vice President of OperationsMr. Ronald Evan Holtz CPA (Age 66)Ph.D., Executive Vice President of Administration Compensation: $649.38kMr. David Sandoval (Age 46)Senior Vice President, General Counsel & Corporate Secretary 1 recent tradesMr. Thomas Michael Ross (Age 63)Executive Vice President of Global Sales Mr. Jack HorganVice President of Corporate DevelopmentMs. Jill MayerSenior Vice President of Human ResourcesDr. J. Stark Thompson Ph.D. (Age 82)Consultant Compensation: $84.71k More Insider Trading Tools from MarketBeat Related Companies Cars.com Insider Selling NerdWallet Insider Selling Montrose Environmental Group Insider Selling Enviri Insider Selling TSS Insider Selling NeoGenomics Insider Selling MediaAlpha Insider Selling MultiPlan Insider Selling Performant Healthcare Insider Selling Bowman Consulting Group 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 5 Stocks Insiders Are Selling That Analysts Say BuyStrategy Insiders Buy In While Analysts Predict Big UpsideThe Bottom Is in For These 3 Small-Cap Stocks Insiders Are Buying3 Catalysts Driving Plug Power’s Turnaround CaseInsider Selling Hits Market Leaders—Should You Be Worried? 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