Seres Therapeutics (MCRB) Insider Trading & Ownership $11.36 +0.50 (+4.56%) Closing price 07/3/2025 03:57 PM EasternExtended Trading$11.94 +0.58 (+5.11%) As of 07/3/2025 04:52 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 InterestSustainabilityTrendsBuy This Stock Seres Therapeutics (NASDAQ:MCRB) Insider Buying and Selling ActivityCurrentInsider OwnershipPercentage4.70%Number OfInsiders Buying(Last 12 Months)0Number OfInsiders Selling(Last 12 Months)5Amount OfInsider Selling(Last 12 Months)$61.31K Get MCRB Insider Trade Alerts Want to know when executives and insiders are buying or selling Seres Therapeutics stock? 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Email Address MCRB Insider Buying and Selling by Quarter Seres 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 TransactionDetails2/18/2025Eric D ShaffCEOSell636$16.20$10,303.20 2/18/2025Matthew R HennInsiderSell197$16.20$3,191.40 2/18/2025Thomas DesrosierEVPSell215$16.20$3,483.00 11/18/2024Eric D ShaffCEOSell125$10.80$1,350.00 11/18/2024Moltke Lisa VonInsiderSell48$10.80$518.40 11/18/2024Thomas DesrosierEVPSell43$10.80$464.40 10/28/2024Eric D ShaffCEOSell437$13.80$6,030.60 10/28/2024Moltke Lisa VonInsiderSell216$13.80$2,980.80 10/28/2024Thomas DesrosierEVPSell212$13.80$2,925.60 8/16/2024Eric D ShaffCEOSell125$16.80$2,100.00 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. 8/16/2024Moltke Lisa VonInsiderSell48$16.80$806.40 8/16/2024Thomas DesrosierEVPSell43$16.80$722.40 8/5/2024Teresa L YoungInsiderSell1,224$21.60$26,438.40 (Data available from 1/1/2013 forward) MCRB Insider Trading Activity - Frequently Asked Questions Who is on Seres Therapeutics' Insider Roster? The list of insiders at Seres Therapeutics includes David Arkowitz, David S Ege, Eric D Shaff, Health Ltp Fund Ge Nutritional, Matthew R Henn, Moltke Lisa Von, Paula Cloghessy, Teresa L Young, and Thomas Desrosier. Learn more on insiders at MCRB. What percentage of Seres Therapeutics stock is owned by insiders? 4.70% of Seres Therapeutics stock is owned by insiders. Learn more on MCRB's insider holdings. Which Seres Therapeutics insiders have been selling company stock? The following insiders have sold MCRB shares in the last 24 months: David Arkowitz ($9,714.60), Eric D Shaff ($46,050.80), Matthew R Henn ($3,191.40), Moltke Lisa Von ($5,170.40), Paula Cloghessy ($3,915.00), Teresa L Young ($30,067.20), and Thomas Desrosier ($13,974.00). How much insider selling is happening at Seres Therapeutics? Insiders have sold a total of 5,701 Seres Therapeutics shares in the last 24 months for a total of $112,083.40 sold. 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