Greenwich LifeSciences (GLSI) Insider Trading & Ownership $10.08 -0.73 (-6.75%) Closing price 07/15/2025 04:00 PM EasternExtended Trading$10.65 +0.57 (+5.64%) As of 07/15/2025 04:50 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 ForecastsChartCompetitorsEarningsFDA EventsHeadlinesInsider TradesOwnershipSEC FilingsShort InterestTrendsBuy This Stock Greenwich LifeSciences (NASDAQ:GLSI) Insider Buying and Selling ActivityCurrentInsider OwnershipPercentage51.67%Number OfInsiders Buying(Last 12 Months)2Amount OfInsider Buying(Last 12 Months)$453.79KNumber OfInsiders Selling(Last 12 Months)0 Get GLSI Insider Trade Alerts Want to know when executives and insiders are buying or selling Greenwich LifeSciences stock? 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Email Address GLSI Insider Buying and Selling by Quarter Greenwich LifeSciences 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 TransactionDetails4/25/2025Snehal PatelCEOBuy3,600$9.88$35,568.00 4/17/2025Snehal PatelCEOBuy5,400$8.98$48,492.00 4/7/2025Snehal PatelCEOBuy3,600$9.10$32,760.00 4/4/2025Snehal PatelCEOBuy5,500$8.73$48,015.00 1/10/2025Snehal PatelCEOBuy2,500$12.51$31,275.00 1/7/2025Snehal PatelCEOBuy1,800$13.75$24,750.00 1/2/2025Snehal PatelCEOBuy2,000$11.97$23,940.00 12/30/2024Snehal PatelCEOBuy3,200$11.12$35,584.00 11/21/2024Jaye ThompsonVPBuy1,000$12.91$12,910.00 9/26/2024Snehal PatelCEOBuy1,500$14.63$21,945.00 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. 8/12/2024Jaye ThompsonVPBuy800$13.85$11,080.00 8/5/2024Snehal PatelCEOBuy5,500$13.18$72,490.00 8/2/2024Jaye ThompsonVPBuy1,000$15.15$15,150.00 7/23/2024Snehal PatelCEOBuy1,500$15.89$23,835.00 7/18/2024Jaye ThompsonVPBuy1,000$16.00$16,000.00 (Data available from 1/1/2013 forward) GLSI Insider Trading Activity - Frequently Asked Questions Who is on Greenwich LifeSciences' Insider Roster? The list of insiders at Greenwich LifeSciences includes Jaye Thompson, and Snehal Patel. Learn more on insiders at GLSI. What percentage of Greenwich LifeSciences stock is owned by insiders? 51.67% of Greenwich LifeSciences stock is owned by insiders. Learn more on GLSI's insider holdings. Which Greenwich LifeSciences insiders have been buying company stock? The following insiders have purchased GLSI shares in the last 24 months: Jaye Thompson ($64,651.00), and Snehal Patel ($3,476,563.50). How much insider buying is happening at Greenwich LifeSciences? Insiders have purchased a total of 266,625 GLSI shares in the last 24 months for a total of $3,541,214.50 bought. Greenwich LifeSciences Key ExecutivesMr. Snehal S. Patel (Age 60)CEO, CFO & Director Compensation: $1.09M4 recent tradesMr. Eric Rothe (Age 48)Founder & Independent Director Compensation: $65.64kDr. Frank Joseph Daugherty M.D. (Age 73)Chief Medical Officer & Director Dr. Jaye L. Thompson Ph.D. (Age 58)Vice President Clinical & Regulatory Affairs Dr. Christine T. Fischette Ph.D. (Age 73)VP of Business Development More Insider Trading Tools from MarketBeat Related Companies ZVRA Insider Trading TYRA Insider Trading TSHA Insider Trading BCYC Insider Trading KURA Insider Trading SEPN Insider Trading PRME Insider Trading BCAX Insider Trading PGEN Insider Trading ATYR 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 Insider Selling Hits Market Leaders—Should You Be Worried?3 Small Caps Drawing Insider and Institutional SupportDo They Know Something? Insiders & Congress Buy UnitedHealthMicron Insiders Sell But Investors Should Buy, Buy, BuySizzling Insider Buys for Your High-Yield Watchlist This page (NASDAQ:GLSI) was last updated on 7/16/2025 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 | SponsoredINVESTOR ALERT: Tiny “$3 AI Wonder Stock” on the Verge of Blasting OffRight now, we’re witnessing a monumental shift in the world.Traders Agency | SponsoredWhy Elon is funding the “Quantum Power Grid”Elon knows the future isn’t about smarter AI — it’s about powering it. 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