IGM Biosciences (IGMS) Insider Trading & Ownership $1.28 -0.02 (-1.54%) Closing price 08/13/2025 06:49 PM EasternExtended Trading$1.28 0.00 (0.00%) As of 08/13/2025 06:49 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 IGM Biosciences (NASDAQ:IGMS) Insider Buying and Selling ActivityCurrentInsider OwnershipPercentage57.00%Number OfInsiders Buying(Last 12 Months)0Number OfInsiders Selling(Last 12 Months)5Amount OfInsider Selling(Last 12 Months)$138.42K Get IGMS Insider Trade Alerts Want to know when executives and insiders are buying or selling IGM Biosciences stock? 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Email Address IGMS Insider Buying and Selling by Quarter IGM Biosciences 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 TransactionDetails7/23/2025Lisa Lynn DeckerInsiderSell4,409$1.27$5,599.43 7/23/2025Mary Beth HarlerCEOSell14,501$1.27$18,416.27 7/23/2025Misbah TahirCFOSell8,741$1.27$11,101.07 6/16/2025Lisa Lynn DeckerInsiderSell951$1.20$1,141.20 6/16/2025Mary Beth HarlerCEOSell1,522$1.20$1,826.40 6/16/2025Misbah TahirCFOSell1,522$1.20$1,826.40 6/16/2025Steven WeberInsiderSell486$1.20$583.20 3/14/2025Misbah TahirCFOSell7,329$1.23$9,014.67 3/14/2025Steven WeberInsiderSell1,701$1.23$2,092.23 1/15/2025Steven WeberInsiderSell1,122$1.70$1,907.40 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. 12/16/2024Mary Beth HarlerCEOSell1,708$7.48$12,775.84 12/16/2024Steven WeberInsiderSell539$7.48$4,031.72 9/13/2024Fred SchwarzerCEOSell3,946$11.54$45,536.84 9/13/2024Misbah TahirCFOSell1,487$11.54$17,159.98 9/13/2024Steven WeberInsiderSell469$11.54$5,412.26 (Data available from 1/1/2013 forward) IGMS Insider Trading Activity - Frequently Asked Questions Who is on IGM Biosciences' Insider Roster? The list of insiders at IGM Biosciences includes Bros. Advisors Lp Baker, Bruce Keyt, Chris H Takimoto, Fred Schwarzer, George Gauthier, Jakob Haldor Topsoe, Julie Hambleton, Lisa Lynn Decker, M Kathleen Behrens, Mary Beth Harler, Michael D Loberg, Misbah Tahir, and Steven Weber. Learn more on insiders at IGMS. What percentage of IGM Biosciences stock is owned by insiders? 57.00% of IGM Biosciences stock is owned by insiders. Learn more on IGMS's insider holdings. Which IGM Biosciences insiders have been buying company stock? The following insider purchased IGMS shares in the last 24 months: Bros. Advisors Lp Baker ($5,574,739.47). How much insider buying is happening at IGM Biosciences? Insiders have purchased a total of 742,796 IGMS shares in the last 24 months for a total of $5,574,739.47 bought. Which IGM Biosciences insiders have been selling company stock? The following insiders have sold IGMS shares in the last 24 months: Bruce Keyt ($48,498.70), Chris H Takimoto ($7,327.80), Fred Schwarzer ($225,767.44), George Gauthier ($7,433.25), Julie Hambleton ($211,848.00), Lisa Lynn Decker ($6,740.63), Mary Beth Harler ($33,018.51), Misbah Tahir ($86,390.30), and Steven Weber ($23,005.43). How much insider selling is happening at IGM Biosciences? Insiders have sold a total of 109,520 IGM Biosciences shares in the last 24 months for a total of $650,030.06 sold. IGM Biosciences Key ExecutivesMr. Fred M. Schwarzer J.D. (Age 71)CEO, President & Director Compensation: $977.66kDr. Bruce A. Keyt Ph.D. (Age 70)Chief Scientific Officer Compensation: $692.95kDr. Chris H. Takimoto FACP (Age 65)M.D., Ph.D., Chief Medical Officer Compensation: $684.95kMr. Misbah Tahir (Age 48)Chief Financial Officer Compensation: $957.6k3 recent tradesMr. TS HarigopalSenior Vice President of Group OperationsMr. Steven Weber (Age 48)Senior VP, Corporate Controller & Principal Accounting Officer 2 recent tradesMr. Paul C. GraffagninoSenior Vice President of Legal AffairsMs. Suzette Tauber (Age 60)Chief Human Resources Officer Dr. Angus M. Sinclair Ph.D.Senior Vice President of Immuno-OncologyDr. Lisa L. Decker Ph.D. (Age 54)Chief Business Officer Compensation: $528.18k More Insider Trading Tools from MarketBeat Related Companies INBX Insider Selling NGNE Insider Selling CADL Insider Selling LRMR Insider Selling OCGN Insider Selling ALT Insider Selling RNAC Insider Selling DRUG Insider Selling LFCR Insider Selling GLUE 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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