Y-mAbs Therapeutics (YMAB) Insider Trading & Ownership $4.32 +0.19 (+4.60%) Closing price 05/23/2025 04:00 PM EasternExtended Trading$4.32 0.00 (0.00%) As of 05/23/2025 04:06 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)$2.22 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 (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 ($343,212.84). How much insider buying is happening at Y-mAbs Therapeutics? Insiders have purchased a total of 223,399 YMAB shares in the last 24 months for a total of $1,413,938.86 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 AKBA Insider Trading NRIX Insider Trading AVXL Insider Trading IMNM Insider Trading RCKT Insider Trading AVBP Insider Trading DAWN Insider Trading TRVI Insider Trading VIR Insider Trading EOLS 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 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:YMAB) was last updated on 5/24/2025 by MarketBeat.com Staff From Our PartnersTrump 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 | Sponsored$19 for a FULL YEAR of stock picks?!Invest in Musk's AI Play With Just $100 You don't need deep pockets to ride the next wave of AI wealth. ...Behind the Markets | SponsoredTrump Exec Order 14179 is wealth “gift” to good Americans?Is President Trump’s Executive Order 14179… A secret way to restore wealth for good citizens? 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