Y-mAbs Therapeutics (YMAB) Insider Trading & Ownership $3.86 +0.22 (+6.04%) As of 04:00 PM Eastern 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? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily. 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 BCAX Insider Trading XNCR Insider Trading AVXL Insider Trading DAWN Insider Trading IMNM Insider Trading CRON Insider Trading XERS Insider Trading AVBP Insider Trading DNTH Insider Trading TRVI 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 5 Hot Small-Cap Insiders Bought at the Peak of Tariff FearsThe Top-Ranked Insider Buys From April by Market CapMcDonald’s Insiders Sell Shares! Investors Should Do the Opposite5 Mid-Cap Stocks Insiders Are Buying This YearInsider Buying in This Stock Reiterates Analysts Bullish Outlook This page (NASDAQ:YMAB) was last updated on 5/15/2025 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 | 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 | SponsoredGold Hits New Highs as Global Markets SpiralWhen Trump took office in 2017, gold was just $1,100 an ounce. 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