89BIO (ETNB) Insider Trading & Ownership $11.12 +0.12 (+1.09%) Closing price 07/14/2025 04:00 PM EasternExtended Trading$11.12 0.00 (-0.04%) As of 07:08 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 EventsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock 89BIO (NASDAQ:ETNB) Insider Buying and Selling ActivityCurrentInsider OwnershipPercentage2.80%Number OfInsiders Buying(Last 12 Months)3Amount OfInsider Buying(Last 12 Months)$50.24MNumber OfInsiders Selling(Last 12 Months)1Amount OfInsider Selling(Last 12 Months)$162.36K Get ETNB Insider Trade Alerts Want to know when executives and insiders are buying or selling 89BIO stock? 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Email Address ETNB Insider Buying and Selling by Quarter 89BIO 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 TransactionDetails4/15/2025Quoc Le-NguyenInsiderSell15,329$5.95$91,207.55 1/30/2025Ra Capital Management, L.P.DirectorBuy5,714,285$8.75$49,999,993.75 1/21/2025Charles McwherterDirectorBuy5,000$6.55$32,750.00 1/15/2025Quoc Le-NguyenInsiderSell10,963$6.49$71,149.87 12/6/2024Rohan PalekarCEOBuy5,000$7.89$39,450.00 12/5/2024Charles McwherterDirectorBuy10,000$8.00$80,000.00 11/22/2024Rohan PalekarCEOBuy10,000$8.35$83,500.00 (Data available from 1/1/2013 forward) ETNB Insider Trading Activity - Frequently Asked Questions Who is on 89BIO's Insider Roster? The list of insiders at 89BIO includes Charles Mcwherter, Edward Morrow Atkinson III, Kathleen Laporte, Michael R Hayden, Quoc Le-Nguyen, Ra Capital Management, L.P., Rohan Palekar, and Ryan Martins. Learn more on insiders at ETNB. What percentage of 89BIO stock is owned by insiders? 2.80% of 89BIO stock is owned by insiders. Learn more on ETNB's insider holdings. Which 89BIO insiders have been buying company stock? The following insiders have purchased ETNB shares in the last 24 months: Charles Mcwherter ($112,750.00), Ra Capital Management, L.P. ($70,722,493.75), and Rohan Palekar ($122,950.00). How much insider buying is happening at 89BIO? Insiders have purchased a total of 7,094,285 ETNB shares in the last 24 months for a total of $70,958,193.75 bought. Which 89BIO insiders have been selling company stock? The following insiders have sold ETNB shares in the last 24 months: Kathleen Laporte ($235,000.00), Quoc Le-Nguyen ($162,357.42), and Rohan Palekar ($48,172.52). How much insider selling is happening at 89BIO? Insiders have sold a total of 43,269 89BIO shares in the last 24 months for a total of $445,529.94 sold. 89BIO Key ExecutivesMr. Rohan Palekar (Age 58)CEO & Director Compensation: $1.06MMr. Quoc Le-Nguyen (Age 56)Chief Technical Operations Officer Compensation: $702.87k1 recent tradesDr. Harry Mansbach M.D. (Age 59)Chief Medical Officer Compensation: $732.87kMr. Ryan Stephen Martins (Age 45)Chief Financial Officer Mr. Shiva K. Natarajan CPA (Age 58)Senior Vice President of Finance & Principal Accounting Officer Ms. Annie J. Chang M.B.A.VP of Investor Relations & Corporate CommunicationsMs. Amanda KuriharaVice President of People & CultureMs. Melissa AbelSenior Vice President of Commercial StrategyMr. Paul ShinSenior Vice President of R&D OperationsMr. Michael BaldwinVP & Head of Quality More Insider Trading Tools from MarketBeat Related Companies TG Therapeutics Insider Trades Nuvalent Insider Trades Lantheus Insider Trades Axsome Therapeutics Insider Trades CRISPR Therapeutics Insider Trades ADMA Biologics Insider Trades Rhythm Pharmaceuticals Insider Trades Vaxcyte Insider Trades Akero Therapeutics Insider Trades Krystal Biotech 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 Insider Selling Hits Market Leaders—Should You Be Worried?3 Small Caps Drawing Insider and Institutional SupportDo They Know Something? Insiders & Congress Buy UnitedHealthMicron Insiders Sell But Investors Should Buy, Buy, BuySizzling Insider Buys for Your High-Yield Watchlist This page (NASDAQ:ETNB) was last updated on 7/15/2025 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 | SponsoredGoogle did what!?!?A new technology has sparked a modern-day gold rush in Silicon Valley. OpenAI’s Sam Altman invested $375M. Bil...Stansberry Research | SponsoredWhite House to reset Social Security?Elon Musk's parting DOGE gift looks set to shock America... A single announcement by July 22nd could soon b...Altimetry | Sponsored$100 Trillion “AI Metal” Found in American Ghost TownJeff Brown recently traveled to a ghost town in the middle of an American desert… To investigate what could...Brownstone Research | Sponsored3..2..1.. 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