Live Earnings Conference Call: Geron will host a live Q2 2025 earnings call on August 6, 2025 at 8:00AM ET. Follow this link to get details and listen to Geron's Q2 2025 earnings call when it goes live. Get details. Geron (GERN) Insider Trading & Ownership $1.20 -0.01 (-0.83%) Closing price 08/5/2025 04:00 PM EasternExtended Trading$1.22 +0.02 (+1.67%) As of 04:06 AM 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 EventsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Geron (NASDAQ:GERN) Insider Buying and Selling ActivityCurrentInsider OwnershipPercentage7.42%Number OfInsiders Buying(Last 12 Months)2Amount OfInsider Buying(Last 12 Months)$46.15KNumber OfInsiders Selling(Last 12 Months)0 Get GERN Insider Trade Alerts Want to know when executives and insiders are buying or selling Geron stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily. Email Address GERN Insider Buying and Selling by Quarter Geron 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 TransactionDetails2/27/2025John A ScarlettCEOBuy12,500$1.76$22,000.00 2/27/2025Scott Alan SamuelsEVPBuy15,000$1.61$24,150.00 (Data available from 1/1/2013 forward) GERN Insider Trading Activity - Frequently Asked Questions Who is on Geron's Insider Roster? The list of insiders at Geron includes Andrew J. Grethlein, Elizabeth G O'farrell, Faye Feller, John A Scarlett, Olivia Kyusuk Bloom, Scott Alan Samuels, Susan Molineaux, and V Bryan Lawlis. Learn more on insiders at GERN. What percentage of Geron stock is owned by insiders? 7.42% of Geron stock is owned by insiders. Learn more on GERN's insider holdings. Which Geron insiders have been buying company stock? The following insiders have purchased GERN shares in the last 24 months: Elizabeth G O'farrell ($15,063.96), John A Scarlett ($22,000.00), and Scott Alan Samuels ($24,150.00). How much insider buying is happening at Geron? Insiders have purchased a total of 34,107 GERN shares in the last 24 months for a total of $61,213.96 bought. Which Geron insiders have been selling company stock? The following insiders have sold GERN shares in the last 24 months: Andrew J. Grethlein ($3,075,026.88), Faye Feller ($1,332,977.00), and John A Scarlett ($2,400,000.00). How much insider selling is happening at Geron? Insiders have sold a total of 1,562,248 Geron shares in the last 24 months for a total of $6,808,003.88 sold. Geron Key ExecutivesMs. Dawn Carter Bir (Age 54)Interim President & Chief Executive Officer and Director Compensation: $64.16kMs. Michelle J. Robertson (Age 58)Executive VP, CFO, Treasurer and Principal Financial & Accounting Officer Compensation: $846.38kDr. Andrew J. Grethlein Ph.D. (Age 61)Executive VP & COO Compensation: $977.48k, Exercised $1.91MMr. James Ziegler M.B.A. (Age 59)Executive VP & Chief Commercial Officer Compensation: $618.67kDr. Joseph Emile Eid M.D. (Age 58)Executive Vice President of Research & Development Compensation: $304.1kMs. Aron FeingoldVice President of Investor Relations & Corporate CommunicationsMr. Scott SamuelsExecutive VP, Chief Legal Officer & Secretary (Pay $485.32k)Ms. Shannon T. Odam (Age 50)Executive VP & Chief People Officer Dr. Faye Feller M.D. (Age 42)Executive VP & Chief Medical Officer More Insider Trading Tools from MarketBeat Related Companies ALKS Insider Trading LGND Insider Trading FOLD Insider Trading BCRX Insider Trading CLDX Insider Trading DVAX Insider Trading MNKD Insider Trading INVA Insider Trading NVAX Insider Trading OPK 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 Strategy Insiders Buy In While Analysts Predict Big UpsideThe Bottom Is in For These 3 Small-Cap Stocks Insiders Are Buying3 Catalysts Driving Plug Power’s Turnaround CaseInsider Selling Hits Market Leaders—Should You Be Worried?Insiders Spent Millions on These 3 Stocks Over the Past 2 Months This page (NASDAQ:GERN) was last updated on 8/6/2025 by MarketBeat.com Staff From Our PartnersINVESTOR ALERT: Tiny “$3 AI Wonder Stock” on the Verge of Blasting OffRight now, we’re witnessing a monumental shift in the world.Traders Agency | Sponsored[Warning] Buffett Indicator hits new All-Time-HighWarren Buffett has leaned on one key indicator for decades—and it just hit an all-time high. 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