Eton Pharmaceuticals (ETON) Insider Trading & Ownership $17.46 +0.37 (+2.17%) Closing price 04:00 PM EasternExtended Trading$17.53 +0.07 (+0.40%) As of 07:51 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 EventsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Eton Pharmaceuticals (NASDAQ:ETON) Insider Buying and Selling ActivityCurrentInsider OwnershipPercentage14.89%Number OfInsiders Buying(Last 12 Months)1Amount OfInsider Buying(Last 12 Months)$462.67KNumber OfInsiders Selling(Last 12 Months)2Amount OfInsider Selling(Last 12 Months)$1.18M Get ETON Insider Trade Alerts Want to know when executives and insiders are buying or selling Eton Pharmaceuticals stock? 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ETON Insider Buying and Selling by Quarter Eton Pharmaceuticals 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 TransactionDetails8/20/2025James R GruberCFOSell2,631$16.02$42,148.62 8/19/2025James R GruberCFOSell39,082$16.16$631,565.12 6/16/2025David KrempaInsiderSell10,223$14.73$150,584.79 6/13/2025David KrempaInsiderSell6,800$14.77$100,436.00 6/12/2025David KrempaInsiderSell16,977$14.92$253,296.84 10/7/2024Opaleye Management Inc.Major ShareholderBuy11,248$7.22$81,210.56 10/4/2024Opaleye Management Inc.Major ShareholderBuy16,852$6.77$114,088.04 9/10/2024Opaleye Management Inc.Major ShareholderBuy57,500$4.65$267,375.00 (Data available from 1/1/2013 forward) ETON Insider Trading Activity - Frequently Asked Questions Who is on Eton Pharmaceuticals' Insider Roster? The list of insiders at Eton Pharmaceuticals includes David Krempa, James R Gruber, Opaleye Management Inc., and Sean Brynjelsen. Learn more on insiders at ETON. What percentage of Eton Pharmaceuticals stock is owned by insiders? 14.89% of Eton Pharmaceuticals stock is owned by insiders. Learn more on ETON's insider holdings. Which Eton Pharmaceuticals insiders have been buying company stock? The following insider purchased ETON shares in the last 24 months: Opaleye Management Inc. ($462,673.60). How much insider buying is happening at Eton Pharmaceuticals? Insiders have purchased a total of 85,600 ETON shares in the last 24 months for a total of $462,673.60 bought. Which Eton Pharmaceuticals insiders have been selling company stock? The following insiders have sold ETON shares in the last 24 months: David Krempa ($504,317.63), and James R Gruber ($673,713.74). How much insider selling is happening at Eton Pharmaceuticals? Insiders have sold a total of 75,713 Eton Pharmaceuticals shares in the last 24 months for a total of $1,178,031.37 sold. Eton Pharmaceuticals Key ExecutivesMr. Sean E. Brynjelsen (Age 52)President, CEO & Director Compensation: $939.42kMr. James R. Gruber CPA (Age 52)CFO, Treasurer & Secretary Compensation: $554.44k2 recent tradesMr. David C. Krempa (Age 35)Chief Business Officer Compensation: $547.86k3 recent tradesMs. Ingrid HoosSenior Vice President of Regulatory AffairsMr. Kevin GuthrieExecutive VP of Commercial Operations More Insider Trading Tools from MarketBeat Related Companies BEAM Insider Trades DYN Insider Trades APGE Insider Trades TWST Insider Trades TVTX Insider Trades BHVN Insider Trades IMCR Insider Trades CDTX Insider Trades AUPH Insider Trades WVE Insider Trades 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 Reynolds Consumer Products Stock Price: Insiders Signal a BottomBuy, Sell, or Hold? Insiders Pile Into These 3 Healthcare StocksInsiders Trade Millions in NVIDIA-Linked Navitas, Hims, & Shift45 Stocks Insiders Are Selling That Analysts Say BuyStrategy Insiders Buy In While Analysts Predict Big Upside This page (NASDAQ:ETON) was last updated on 8/26/2025 by MarketBeat.com Staff From Our Partners“Sell Nvidia before earnings”Eric Fry just went live with one of his most controversial calls yet: “Sell Nvidia.” While Wall Street has bee...InvestorPlace | SponsoredCover all your expenses with just $118,000 invested?Generate up to $5,000/month with 10X less money? That's what every financial advisor tells you. But I just ...Investors Alley | SponsoredEveryone’s watching Nvidia right now. Here’s why I’m excited.So, unless you’ve been living under a rock, you probably saw the news… Nvidia just signed a $7 BILLION deal...Timothy Sykes | SponsoredElon’s BIGGEST warning yet?Tesla's About to Prove Everyone Wrong... 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