Inhibrx Biosciences (INBX) Insider Trading & Ownership $22.38 -0.69 (-2.99%) As of 11:10 AM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Insider Trades Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFDA EventsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Inhibrx Biosciences (NASDAQ:INBX) Insider Buying and Selling ActivityCurrentInsider OwnershipPercentage17.09%Number OfInsiders Buying(Last 12 Months)3Amount OfInsider Buying(Last 12 Months)$2.62MNumber OfInsiders Selling(Last 12 Months)0 Get INBX Insider Trade Alerts Want to know when executives and insiders are buying or selling Inhibrx Biosciences stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily. Email Address INBX Insider Buying and Selling by Quarter Inhibrx 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 TransactionDetails11/19/2024Jon Faiz KayyemDirectorBuy69,686$14.23$991,631.78 9/16/2024Mark LappeCEOBuy13,037$17.13$223,323.81 9/12/2024Mark LappeCEOBuy26,963$15.05$405,793.15 9/10/2024Kristiina Md VuoriDirectorBuy179$15.00$2,685.00 9/9/2024Mark LappeCEOBuy9,500$15.21$144,495.00 9/6/2024Mark LappeCEOBuy26,000$15.29$397,540.00 9/3/2024Mark LappeCEOBuy20,000$15.81$316,200.00 8/29/2024Mark LappeCEOBuy10,000$14.03$140,300.00 (Data available from 1/1/2013 forward) INBX Insider Trading Activity - Frequently Asked Questions Who is on Inhibrx Biosciences' Insider Roster? The list of insiders at Inhibrx Biosciences includes Brendan P Eckelman, Global Investors Lp Viking, Jon Faiz Kayyem, Kristiina Md Vuori, and Mark Lappe. Learn more on insiders at INBX. What percentage of Inhibrx Biosciences stock is owned by insiders? 17.09% of Inhibrx Biosciences stock is owned by insiders. Learn more on INBX's insider holdings. Which Inhibrx Biosciences insiders have been buying company stock? The following insiders have purchased INBX shares in the last 24 months: Global Investors Lp Viking ($9,899,982.45), Jon Faiz Kayyem ($1,988,380.46), Kristiina Md Vuori ($2,685.00), and Mark Lappe ($1,627,651.96). How much insider buying is happening at Inhibrx Biosciences? Insiders have purchased a total of 744,541 INBX shares in the last 24 months for a total of $13,518,699.87 bought. Which Inhibrx Biosciences insiders have been selling company stock? The following insider sold INBX shares in the last 24 months: Brendan P Eckelman ($10,290,000.00). How much insider selling is happening at Inhibrx Biosciences? Insiders have sold a total of 300,000 Inhibrx Biosciences shares in the last 24 months for a total of $10,290,000.00 sold. Inhibrx Biosciences Key ExecutivesMr. Mark Paul Lappe (Age 57)Founder, Chairman, President & CEO Compensation: $1.1MDr. Brendan P. Eckelman Ph.D. (Age 45)Founder & Chief Scientific Officer Compensation: $769.25kMs. Kelly Devine Deck B.S. (Age 44)CPA, M.S., Executive VP & CFO Compensation: $636.87kMr. Quinn L. DeverauxFounderDr. Ashraf Amanullah (Age 56)Executive VP & Chief Technical Operations Officer Ms. Leah Pollema J.D.VP, Corporate Secretary & General CounselDr. Charbel Helaihel Pharm.D.Vice President of Marketing & Commercial PlanningMr. Jeffrey J. JensenExecutive VP & Chief Clinical Operations OfficerMr. David Matly M.B.A.Executive VP and Chief Commercial & Business Development OfficerDr. Carlos Bais Ph.D.Executive Vice President of Translational Sciences More Insider Trading Tools from MarketBeat Related Companies Sarepta Therapeutics Insider Selling AbCellera Biologics Insider Selling Harrow Insider Selling WAVE Life Sciences Insider Selling Intellia Therapeutics Insider Selling Cidara Therapeutics Insider Selling Phibro Animal Health Insider Selling Aurinia Pharmaceuticals Insider Selling Enliven Therapeutics Insider Selling Structure Therapeutics 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 The 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?Insiders Spent Millions on These 3 Stocks Over the Past 2 Months3 Small Caps Drawing Insider and Institutional Support This page (NASDAQ:INBX) was last updated on 7/25/2025 by MarketBeat.com Staff From Our PartnersINVESTOR ALERT: Tiny “$3 AI Wonder Stock” on the Verge of Blasting OffRight now, we’re witnessing a monumental shift in the world.Traders Agency | SponsoredYour Bank Account Is No Longer SafeWhat If Washington Declared That: YOUR Money ISN'T Actually Yours? 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