Prime Medicine (PRME) Insider Trading & Ownership $3.72 +0.32 (+9.41%) As of 09/5/2025 04:00 PM Eastern Add Compare Share Share Insider Trades Stock AnalysisChartCompetitorsInsider TradesSEC FilingsTrendsBuy This Stock Prime Medicine (NASDAQ:PRME) Insider Buying and Selling ActivityCurrentInsider OwnershipPercentage22.74%Number OfInsiders Buying(Last 3 Years)2Amount OfInsider Buying(Last 3 Years)$20.40MNumber OfInsiders Selling(Last 3 Years)1Amount OfInsider Selling(Last 3 Years)$6.08M Get PRME Insider Trade Alerts Want to know when executives and insiders are buying or selling Prime Medicine stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily. Subscribe Now View SMS TermsBy entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. Unsubscribe at any time by replying "STOP" to any text message that you receive from MarketBeat or by visiting our mailing preferences page. Read our full terms of service and privacy policy. PRME Insider Buying and Selling by Quarter Prime Medicine 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 TransactionDetails5/19/20232019 Gp L.L.C. GvMajor ShareholderSell63,212$13.88$877,382.56 5/17/20232019 Gp L.L.C. GvMajor ShareholderSell15,000$12.77$191,550.00 5/15/20232019 Gp L.L.C. GvMajor ShareholderSell157,952$12.74$2,012,308.48 5/12/20232019 Gp L.L.C. GvMajor ShareholderSell27,290$12.72$347,128.80 5/10/20232019 Gp L.L.C. GvMajor ShareholderSell87,397$14.03$1,226,179.91 5/8/20232019 Gp L.L.C. GvMajor ShareholderSell100,772$14.13$1,423,908.36 10/24/20222019 Gp L.L.C. GvMajor ShareholderBuy800,000$17.00$13,600,000.00 10/24/2022Thomas CahillDirectorBuy400,000$17.00$6,800,000.00 (Data available from 1/1/2013 forward) PRME Insider Trading Activity - Frequently Asked Questions Who is on Prime Medicine's Insider Roster? The list of insiders at Prime Medicine includes 2019 Gp L.L.C. Gv, and Thomas Cahill. Learn more on insiders at PRME. What percentage of Prime Medicine stock is owned by insiders? 22.74% of Prime Medicine stock is owned by insiders. Learn more on PRME's insider holdings. More Insider Trading Tools from MarketBeat Related Companies biote Insider Trading Clever Leaves Insider Trading Fortress Biotech Insider Trading Minerva Neurosciences Insider Trading Neonc Technologies Insider Trading NexImmune 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 Palantir Insider Selling: Risk Signal or Normal Activity?Loop Industries Insiders Buy Stock, Signal Confidence in OutlookDueling Insider Moves: Heavy Buying Here, Big Selling ThereCostco Faces Downgrades, Death Cross, Insider SellingReynolds Consumer Products Stock Price: Insiders Signal a Bottom This page (NASDAQ:PRME) was last updated on 9/7/2025 by MarketBeat.com Staff From Our PartnersForget Tesla — This Tiny AI Stock Is Musk’s Real PlayWhile Wall Street focused on Tesla’s earnings, Elon Musk was quietly building a supercomputer so powerful it c...Behind the Markets | SponsoredRetire Comfortably with These New Monthly Income ETFs?Too many retirees lie awake at night, worried their savings won’t last. 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