Amylyx Pharmaceuticals (AMLX) Insider Trading & Ownership $9.42 -0.03 (-0.32%) Closing price 08/28/2025 04:00 PM EasternExtended Trading$9.48 +0.06 (+0.69%) As of 04:21 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 InterestTrendsBuy This Stock Amylyx Pharmaceuticals (NASDAQ:AMLX) Insider Buying and Selling ActivityCurrentInsider OwnershipPercentage12.30%Number OfInsiders Buying(Last 12 Months)3Amount OfInsider Buying(Last 12 Months)$358.20KNumber OfInsiders Selling(Last 12 Months)5Amount OfInsider Selling(Last 12 Months)$348.87K Get AMLX Insider Trade Alerts Want to know when executives and insiders are buying or selling Amylyx Pharmaceuticals stock? 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AMLX Insider Buying and Selling by Quarter Amylyx 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 TransactionDetails3/31/2025Camille L BedrosianInsiderSell12,425$3.47$43,114.75 3/31/2025James M FratesCFOSell10,896$3.47$37,809.12 3/31/2025Joshua B CohenCEOSell21,490$3.47$74,570.30 3/20/2025Bernhardt G ZeiherDirectorBuy10,000$3.70$37,000.00 2/24/2025Gina MazzarielloInsiderSell4,169$3.15$13,132.35 2/3/2025Gina MazzarielloInsiderSell3,678$3.49$12,836.22 2/3/2025Joshua B CohenCEOSell11,851$3.47$41,122.97 1/6/2025Justin B KleeCEOSell7,471$4.04$30,182.84 9/30/2024Camille L BedrosianInsiderSell11,442$3.20$36,614.40 9/30/2024Justin B KleeCEOSell18,589$3.20$59,484.80 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. 9/12/2024James M FratesCFOBuy40,000$2.53$101,200.00 9/3/2024George M Milne JrDirectorBuy100,000$2.20$220,000.00 (Data available from 1/1/2013 forward) AMLX Insider Trading Activity - Frequently Asked Questions Who is on Amylyx Pharmaceuticals' Insider Roster? The list of insiders at Amylyx Pharmaceuticals includes Bernhardt G Zeiher, Camille L Bedrosian, Daphne Quimi, George M Milne Jr, Gina Mazzariello, Global Investors Lp Viking, James M Frates, Joshua B Cohen, Justin B Klee, Morningside Venture Investment, and Patrick D Yeramian. Learn more on insiders at AMLX. What percentage of Amylyx Pharmaceuticals stock is owned by insiders? 12.30% of Amylyx Pharmaceuticals stock is owned by insiders. Learn more on AMLX's insider holdings. Which Amylyx Pharmaceuticals insiders have been buying company stock? The following insiders have purchased AMLX shares in the last 24 months: Bernhardt G Zeiher ($37,000.00), Daphne Quimi ($5,197.50), George M Milne Jr ($220,000.00), and James M Frates ($101,200.00). How much insider buying is happening at Amylyx Pharmaceuticals? Insiders have purchased a total of 152,750 AMLX shares in the last 24 months for a total of $363,397.50 bought. Which Amylyx Pharmaceuticals insiders have been selling company stock? The following insiders have sold AMLX shares in the last 24 months: Camille L Bedrosian ($79,729.15), Gina Mazzariello ($127,709.05), James M Frates ($115,725.56), Joshua B Cohen ($193,141.82), Justin B Klee ($185,051.17), and Patrick D Yeramian ($45,919.96). How much insider selling is happening at Amylyx Pharmaceuticals? Insiders have sold a total of 134,140 Amylyx Pharmaceuticals shares in the last 24 months for a total of $747,276.71 sold. Amylyx Pharmaceuticals Key ExecutivesMr. Joshua B. Cohen (Age 32)Co-Founder, Co-CEO & Director Compensation: $1.08M1 recent tradesMr. Justin B. Klee (Age 33)Co-Founder, Co-CEO & Director Compensation: $1.08MMr. James M. Frates M.B.A. (Age 57)Chief Financial Officer Compensation: $763.16k1 recent tradesMs. Gina M. Mazzariello (Age 53)Chief Legal Officer & General Counsel Compensation: $689.26kDr. Camille L. Bedrosian M.D. (Age 71)Chief Medical Officer Compensation: $232.6k1 recent tradesMr. Tom HolmesChief Technical Operations OfficerLindsey AllenHead of Investor Relations & CommunicationsMs. Shauna HorvathHead of Global MarketingMs. Linda A. ArsenaultChief Human Resources OfficerMr. Chris AielloHead of Canada & GM More Insider Trading Tools from MarketBeat Related Companies KYMR Insider Ownership AMRX Insider Ownership XENE Insider Ownership ARWR Insider Ownership VKTX Insider Ownership CRNX Insider Ownership RARE Insider Ownership NAMS Insider Ownership BHC Insider Ownership IMVT Insider Ownership 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 Costco Faces Downgrades, Death Cross, Insider SellingReynolds 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 Buy This page (NASDAQ:AMLX) was last updated on 8/29/2025 by MarketBeat.com Staff From Our PartnersMusk’s Project Colossus could mint millionairesI predict this single breakthrough could make Elon the world’s first trillionaire — and mint more new milliona...Brownstone Research | 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 | SponsoredBONUS GUIDE - Ben Stein Prepares For the Next Financial CrisisWith inflation high, debt soaring, and global tensions rising, a financial storm may be brewing. 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