Y-mAbs Therapeutics (YMAB) Insider Trading & Ownership $4.41 +0.30 (+7.30%) Closing price 05/2/2025 04:00 PM EasternExtended Trading$4.41 0.00 (0.00%) As of 05/2/2025 05:17 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 InterestTrendsBuy This Stock Y-mAbs Therapeutics (NASDAQ:YMAB) Insider Buying and Selling ActivityCurrentInsider OwnershipPercentage22.50%Number OfInsiders Buying(Last 12 Months)0Number OfInsiders Selling(Last 12 Months)5Amount OfInsider Selling(Last 12 Months)$2.62 M Get YMAB Insider Trade Alerts Want to know when executives and insiders are buying or selling Y-mAbs Therapeutics stock? 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Email Address YMAB Insider Buying and Selling by Quarter Y-mAbs Therapeutics 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 TransactionDetails3/7/2025Michael J RossiCEOSell3,917$5.20$20,368.40 3/7/2025Thomas GadInsiderSell10,810$5.23$56,536.30 9/16/2024Thomas GadInsiderSell30,000$12.97$389,100.00 9/13/2024Thomas GadInsiderSell65,000$13.47$875,550.00 8/26/2024Joris WilmsCOOSell5,000$14.69$73,450.00 6/10/2024Gerard BerDirectorSell722$12.00$8,664.00 6/10/2024Thomas GadInsiderSell35,000$12.03$421,050.00 5/31/2024Bo KruseCFOSell31,371$12.07$378,647.97 5/23/2024Thomas GadInsiderSell7,351$13.00$95,563.00 5/21/2024Thomas GadInsiderSell25,000$12.00$300,000.00 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. (Data available from 1/1/2013 forward) YMAB Insider Trading Activity - Frequently Asked Questions Who is on Y-mAbs Therapeutics's Insider Roster? The list of insiders at Y-mAbs Therapeutics includes Biotech Aps Wg, Bo Kruse, Gerard Ber, Johan Wedell-Wedellsborg, Joris Wilms, Michael J Rossi, Thomas Gad, and Vignesh Rajah. Learn more on insiders at YMAB. What percentage of Y-mAbs Therapeutics stock is owned by insiders? 22.50% of Y-mAbs Therapeutics stock is owned by insiders. Learn more on YMAB's insider holdings. Which Y-mAbs Therapeutics insiders have been buying company stock? The following insiders have purchased YMAB shares in the last 24 months: Biotech Aps Wg ($1,070,726.02), and Johan Wedell-Wedellsborg ($1,325,003.84). How much insider buying is happening at Y-mAbs Therapeutics? Insiders have purchased a total of 325,139 YMAB shares in the last 24 months for a total of $2,395,729.86 bought. Which Y-mAbs Therapeutics insiders have been selling company stock? The following insiders have sold YMAB shares in the last 24 months: Bo Kruse ($378,647.97), Gerard Ber ($8,664.00), Joris Wilms ($73,450.00), Michael J Rossi ($20,368.40), Thomas Gad ($3,194,799.30), and Vignesh Rajah ($28,282.83). How much insider selling is happening at Y-mAbs Therapeutics? Insiders have sold a total of 390,882 Y-mAbs Therapeutics shares in the last 24 months for a total of $3,704,212.50 sold. Y-mAbs Therapeutics Key ExecutivesMr. Thomas Gad (Age 53)Founder, Chief Business Officer & Vice Chairman Compensation: $1.05M1 recent tradesMr. Bo Kruse (Age 51)Executive VP, Secretary, Treasurer & CFO Compensation: $685.02kMs. Susan Smith (Age 53)Senior VP & Chief Commercial Officer Compensation: $710kMr. Michael Rossi (Age 53)CEO, President & Director 1 recent tradesMr. Joris Wiel Jan Wilms (Age 50)Senior VP & COO Dr. Torben Lund-Hansen M.Sc. (Age 73)Ph.D., Senior VP & CTO Dr. Steen Lisby M.D. (Age 60)M.Sc., Senior VP & Chief Scientific Officer Compensation: $393.99kMs. Courtney DuganVice President of Investor RelationsDr. Vignesh Rajah M.B.A. (Age 59)MBBS, Senior VP & Chief Medical Officer Compensation: $406.27k More Insider Trading Tools from MarketBeat Related Companies RCKT Insider Trading QURE Insider Trading XNCR Insider Trading LENZ Insider Trading PAHC Insider Trading IMNM Insider Trading PRAX Insider Trading NUVB Insider Trading EOLS Insider Trading REPL Insider Trading 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 McDonald’s Insiders Sell Shares! Investors Should Do the Opposite5 Mid-Cap Stocks Insiders Are Buying This YearInsider Buying in This Stock Reiterates Analysts Bullish OutlookBeware of BigBear.ai: Insiders Are Selling—Should You?XPO Buying $50 Million of Its Own Stock: Here's Why This page (NASDAQ:YMAB) was last updated on 5/4/2025 by MarketBeat.com Staff From Our PartnersThe Trump Dump is starting; Get out of stocks now?The first 365 days of the Trump presidency… Will be the best time to get rich in American history.Paradigm Press | SponsoredTrump to redistribute trillions of dollars Trump’s Final Reset Inside the shocking plot to re-engineer America’s financial system…and why you need to ...Porter & Company | SponsoredShocking AI play that’s beats Nvidia by a country mileYou’ve seen the headlines about Nvidia. Now Tim Sykes is sounding the alarm — because what CEO Jensen Huang is...Timothy Sykes | SponsoredWill May start the next "Great Depression?"You probably haven't heard about this yet... 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