Zai Lab (ZLAB) Insider Trading & Ownership $32.50 -0.09 (-0.28%) Closing price 04:00 PM EasternExtended Trading$30.99 -1.51 (-4.65%) As of 07:59 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 Zai Lab (NASDAQ:ZLAB) Insider Buying and Selling ActivityCurrentInsider OwnershipPercentage4.96%Number OfInsiders Buying(Last 12 Months)0Number OfInsiders Selling(Last 12 Months)7Amount OfInsider Selling(Last 12 Months)$8.59 M Get ZLAB Insider Trade Alerts Want to know when executives and insiders are buying or selling Zai Lab stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily. Email Address ZLAB Insider Buying and Selling by Quarter Zai Lab 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 TransactionDetails5/14/2025Ying DuCEOSell46,389$28.09$1,303,067.01 5/13/2025Ying DuCEOSell50,000$28.57$1,428,500.00 4/4/2025Frazor Titus Edmondson IIIInsiderSell1,874$33.11$62,048.14 4/4/2025Yajing ChenCFOSell924$33.11$30,593.64 4/4/2025Ying DuCEOSell2,945$33.11$97,508.95 4/2/2025Frazor Titus Edmondson IIIInsiderSell4,369$35.89$156,803.41 4/2/2025Yajing ChenCFOSell5,280$35.89$189,499.20 4/2/2025Ying DuCEOSell5,808$35.89$208,449.12 3/17/2025Rafael AmadoInsiderSell3,000$38.41$115,230.00 3/3/2025Ying DuCEOSell50,000$32.44$1,622,000.00 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. 2/28/2025Frazor Titus Edmondson IIIInsiderSell14,544$32.98$479,661.12 2/28/2025Ying DuCEOSell50,000$34.47$1,723,500.00 12/31/2024Rafael AmadoInsiderSell7,583$26.28$199,281.24 8/16/2024Joshua L SmileyInsiderSell4,352$16.67$72,547.84 7/1/2024William LisDirectorSell10,397$17.32$180,076.04 7/1/2024Ying DuCEOSell7,013$17.48$122,587.24 6/26/2024Harald ReinhartInsiderSell7,431$17.90$133,014.90 6/26/2024Yajing ChenCFOSell2,154$17.90$38,556.60 6/26/2024Ying DuCEOSell23,939$17.90$428,508.10 (Data available from 1/1/2013 forward) ZLAB Insider Trading Activity - Frequently Asked Questions Who is on Zai Lab's Insider Roster? The list of insiders at Zai Lab includes Frazor Titus Edmondson III, Harald Reinhart, Joshua L Smiley, Rafael Amado, William Lis, Yajing Chen, and Ying Du. Learn more on insiders at ZLAB. What percentage of Zai Lab stock is owned by insiders? 4.96% of Zai Lab stock is owned by insiders. Learn more on ZLAB's insider holdings. Which Zai Lab insiders have been buying company stock? The following insider purchased ZLAB shares in the last 24 months: Joshua L Smiley ($254,250.00). How much insider buying is happening at Zai Lab? Insiders have purchased a total of 9,000 ZLAB shares in the last 24 months for a total of $254,250.00 bought. Which Zai Lab insiders have been selling company stock? The following insiders have sold ZLAB shares in the last 24 months: Frazor Titus Edmondson III ($926,105.42), Harald Reinhart ($133,014.90), Joshua L Smiley ($103,699.80), Rafael Amado ($871,737.98), William Lis ($180,076.04), Yajing Chen ($284,435.39), and Ying Du ($7,246,466.07). How much insider selling is happening at Zai Lab? Insiders have sold a total of 348,478 Zai Lab shares in the last 24 months for a total of $9,745,535.60 sold. Zai Lab Key ExecutivesDr. Ying Du Ph.D. (Age 58)Founder, Chairperson & CEO Compensation: $1.7MMr. Joshua L. Smiley (Age 54)President & COO Compensation: $1.22MDr. Rafael G. Amado M.D. (Age 60)President and Head of Global Research & Development Compensation: $1.6MDr. Yajing Chen Ph.D. (Age 56)Chief Financial Officer Compensation: $624.56kDr. Peter Huang Ph.D.Chief Scientific OfficerMs. Christine ChiouSenior VP & Head of Investor RelationsMr. Frazor Titus Edmondson III (Age 58)J.D., Chief Legal Officer & Joint Corporate Secretary Compensation: $829k3 recent tradesDr. Ning Xu M.D. (Age 59)Executive VP & Head of Clinical Operations Dr. Jonathan J. Wang MBA (Age 42)Ph.D., Chief Business Officer Dr. James Yan DABT (Age 60)M.D., Ph.D., Chief Operating Officer of R&D More Insider Trading Tools from MarketBeat Related Companies Genmab A/S Insider Trades Viatris Insider Trades Moderna Insider Trades Roivant Sciences Insider Trades Revolution Medicines Insider Trades BridgeBio Pharma Insider Trades Blueprint Medicines Insider Trades Elanco Animal Health Insider Trades TG Therapeutics Insider Trades Verona Pharma 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 Turbulence for Joby Shares: What's Behind the Recent Dip?UnitedHealth Insiders Double Down: Is UNH Stock a Value Play?Sprouts Stock: Insider Sales, But Strong Bullish Signals5 Hot Small-Cap Insiders Bought at the Peak of Tariff FearsThe Top-Ranked Insider Buys From April by Market Cap This page (NASDAQ:ZLAB) was last updated on 5/22/2025 by MarketBeat.com Staff From Our PartnersEveryone’s watching Nvidia right now. Here’s why I’m excited.So, unless you’ve been living under a rock, you probably saw the news… Nvidia just signed a $7 BILLION deal...Timothy Sykes | 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 | SponsoredMan who predicted $100K Bitcoin sees a huge run coming for another coin …Sure enough, Bitcoin took off on the exact day Juan said it would. It's up more than 40% since the election...Weiss Ratings | SponsoredTrump Predicts Dollar DownfallREAD THIS VERY CAREFULLY: If you have $100,000 or more saved for retirement, this may make you VERY angry... ...Augusta Precious Metals | SponsoredThe Secret Map of America, Declassified…Locked inside a Maryland man’s private safe is a map. But not just any map, mind you… This map shows a “...Banyan Hill Publishing | SponsoredCollect $7k per month from Tesla’s SECRET dividendTesla doesn't pay a traditional dividend.... But I just discovered a secret backdoor to collect a secret 69...Investors Alley | SponsoredElon’s backup plan for AIElon knows the future isn’t about smarter AI — it’s about powering it. And this new technology is quietly b...True Market Insiders | SponsoredTrump’s treachery Trump’s Final Reset Inside the shocking plot to re-engineer America’s financial system…and why you need to ...Porter & Company | 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 Zai Lab Limited Please log in to your account or sign up in order to add this asset to your watchlist. Share Zai Lab 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.