89bio (ETNB) Insider Trading & Ownership $10.28 -0.29 (-2.74%) Closing price 06/10/2025 04:00 PM EasternExtended Trading$10.29 +0.01 (+0.10%) As of 06/10/2025 05:41 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 ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock 89bio (NASDAQ:ETNB) Insider Buying and Selling ActivityCurrentInsider OwnershipPercentage2.60%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? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily. 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? 2.60% 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: $702.87k2 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 Grifols Insider Trades TG Therapeutics Insider Trades Nuvalent Insider Trades Lantheus Insider Trades Axsome Therapeutics Insider Trades ADMA Biologics Insider Trades Vaxcyte Insider Trades Merus Insider Trades Rhythm Pharmaceuticals Insider Trades Akero 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 3 Tightly-Held Growth Stocks Set Up for Short SqueezesTankers, Takedowns & Air Taxis: Insiders Are Buying These 3 Names3 Tech Stocks Insiders Are Buying: Speculative Plays for JuneDividend Investors Looking for an Edge? 3 Stocks Insiders BoughtMeta's Institutional & Insider Data Fuels Bulls Despite Disparity This page (NASDAQ:ETNB) was last updated on 6/11/2025 by MarketBeat.com Staff From Our PartnersMarket Panic: Trump Just Dropped a Bomb on Your Stockstock Market Panic: Trump Just Dropped a Bomb on Your Stocks The market is in freefall—and Trump's new tarif...American Alternative | SponsoredElon’s NEXT Big IPO?Cancel your internet TODAY!? Take your latest internet bill and light it on fire… then count the seconds it...Banyan Hill Publishing | SponsoredTrump wipes out trillions overnight…Is there anybody more powerful than Donald Trump right now? In a single tariff announcement, he wiped out n...Porter & Company | SponsoredREVEALED FREE: Our top 3 stocks to own in 2025 and beyondEvery time Weiss Ratings flashed green like this, the average gain on each and every stock has been 303% (incl...Weiss Ratings | SponsoredTrump’s Exec Order #14154 could be a “Millionaire-Maker”Former Presidential Advisor, Jim Rickards, says Trump could “rewire our economy and hand millions of Americans...Paradigm Press | SponsoredWhy Elon put $51 million into thisWhy Elon Musk Just Invested $51 Million Into Brand New “Miracle Metal” Developed by MIT ScientistsTrue Market Insiders | SponsoredAn AI run of epic proportions is only getting startedI just put together an urgent new presentation that you need to see right away. In short: I believe we are...Timothy Sykes | SponsoredSilicon Valley Gold RushA new technology has sparked a modern-day gold rush in Silicon Valley. OpenAI’s Sam Altman invested $375M. Bil...Stansberry Research | Sponsored Adding Choose a watchlist: Watchlist Adding You have already added five stocks to your watchlist. Upgrade to MarketBeat All Access to add more stocks to your watchlist. Adding 89bio, Inc. Please log in to your account or sign up in order to add this asset to your watchlist. Share 89bio With A Colleague Link copied to clipboard. Get 30 Days of MarketBeat All Access for Free Sign up for MarketBeat All Access to gain access to MarketBeat's full suite of research tools. Start Your 30-Day Trial MarketBeat All Access Features Best-in-Class Portfolio Monitoring Get personalized stock ideas. Compare portfolio to indices. Check stock news, ratings, SEC filings, and more. Stock Ideas and Recommendations See daily stock ideas from top analysts. Receive short-term trading ideas from MarketBeat. Identify trending stocks on social media. Advanced Stock Screeners and Research Tools Use our seven stock screeners to find suitable stocks. Stay informed with MarketBeat's real-time news. Export data to Excel for personal analysis. Sign in to your free account to enjoy these benefits In-depth profiles and analysis for 20,000 public companies. Real-time analyst ratings, insider transactions, earnings data, and more. Our daily ratings and market update email newsletter. Sign in to your free account to enjoy all that MarketBeat has to offer. Sign In Create Account Your Email Address: Email Address Required Your Password: Password Required Log In or Sign in with Facebook Sign in with Google Forgot your password? Your Email Address: Please enter your email address. Please enter a valid email address Choose a Password: Please enter your password. Your password must be at least 8 characters long and contain at least 1 number, 1 letter, and 1 special character. Create My Account (Free) or Sign in with Facebook Sign in with Google By creating a free account, you agree to our terms of service. This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.