Spero Therapeutics (SPRO) Insider Trading & Ownership $1.98 +0.13 (+7.03%) Closing price 08/27/2025 04:00 PM EasternExtended Trading$2.03 +0.05 (+2.47%) As of 07:04 AM 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 ForecastsChartCompetitorsEarningsFDA EventsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Spero Therapeutics (NASDAQ:SPRO) Insider Buying and Selling ActivityCurrentInsider OwnershipPercentage5.50%Number OfInsiders Buying(Last 12 Months)0Number OfInsiders Selling(Last 12 Months)3Amount OfInsider Selling(Last 12 Months)$191.29K Get SPRO Insider Trade Alerts Want to know when executives and insiders are buying or selling Spero Therapeutics stock? 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SPRO Insider Buying and Selling by Quarter Spero Therapeutics 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 TransactionDetails2/5/2025Ankit MahadeviaDirectorSell69,219$0.78$53,990.82 2/5/2025Esther RajaveluCFOSell20,689$0.78$16,137.42 2/5/2025Sath ShuklaCEOSell155,333$0.78$121,159.74 (Data available from 1/1/2013 forward) SPRO Insider Trading Activity - Frequently Asked Questions Who is on Spero Therapeutics' Insider Roster? The list of insiders at Spero Therapeutics includes Ankit Mahadevia, Aquilo Capital Management, Llc, Esther Rajavelu, Kamal Hamed, Sath Shukla, and Timothy Keutzer. Learn more on insiders at SPRO. What percentage of Spero Therapeutics stock is owned by insiders? 5.50% of Spero Therapeutics stock is owned by insiders. Learn more on SPRO's insider holdings. Which Spero Therapeutics insiders have been selling company stock? The following insiders have sold SPRO shares in the last 24 months: Ankit Mahadevia ($73,362.42), Esther Rajavelu ($16,137.42), Kamal Hamed ($50,159.92), Sath Shukla ($172,939.30), and Timothy Keutzer ($5,323.59). How much insider selling is happening at Spero Therapeutics? Insiders have sold a total of 343,117 Spero Therapeutics shares in the last 24 months for a total of $317,922.65 sold. Spero Therapeutics Key ExecutivesDr. Ankit Mahadevia M.D. (Age 43)MBA, Co-Founder & Chairman of the Board Compensation: $1.39MMr. Satyavrat Shukla C.F.A. (Age 51)President, CEO & Director Compensation: $1.12MMr. Timothy Keutzer (Age 56)Chief Operating Officer Compensation: $938.57kMs. Esther P. Rajavelu (Age 45)CFO, Chief Business Officer & Treasurer Mr. James P. BradyChief Human Resource OfficerDr. Kamal Hamed M.B.A. (Age 63)M.D., M.P.H., Chief Medical Officer More Insider Trading Tools from MarketBeat Related Companies Compass Therapeutics Insider Trades Corvus Pharmaceuticals Insider Trades Aura Biosciences Insider Trades Aquestive Therapeutics Insider Trades Olema Pharmaceuticals Insider Trades Rocket Pharmaceuticals Insider Trades Y-mAbs Therapeutics Insider Trades Vigil Neuroscience Insider Trades Astria Therapeutics Insider Trades Fulcrum Therapeutics Insider Trades 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 Reynolds Consumer Products Stock Price: Insiders Signal a BottomBuy, Sell, or Hold? Insiders Pile Into These 3 Healthcare StocksInsiders Trade Millions in NVIDIA-Linked Navitas, Hims, & Shift45 Stocks Insiders Are Selling That Analysts Say BuyStrategy Insiders Buy In While Analysts Predict Big Upside This page (NASDAQ:SPRO) was last updated on 8/28/2025 by MarketBeat.com Staff From Our PartnersBuffett, Gates and Bezos Quietly Dumping Stocks—Here's WhyImagine a bull market so powerful, every single investor became a millionaire. 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