Biogen (BIIB) Insider Trading & Ownership $126.30 -0.52 (-0.41%) Closing price 04:00 PM EasternExtended Trading$126.76 +0.46 (+0.36%) As of 06:51 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 ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Biogen (NASDAQ:BIIB) Insider Buying and Selling ActivityCurrentInsider OwnershipPercentage0.16%Number OfInsiders Buying(Last 12 Months)0Number OfInsiders Selling(Last 12 Months)2Amount OfInsider Selling(Last 12 Months)$1.40 M Get BIIB Insider Trade Alerts Want to know when executives and insiders are buying or selling Biogen stock? 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Email Address BIIB Insider Buying and Selling by Quarter Biogen 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 TransactionDetails4/23/2025Ro KhannaU.S. Congress Member (D-CA)Buy$118.17$1,001 - $15,0004/8/2025Robert Bresnahan, Jr.U.S. Congress Member (R-PA)Sell$114.05$1,001 - $15,0003/7/2025Stephen A SherwinDirectorSell8,760$150.02$1,314,175.20 2/25/2025Robert Bresnahan, Jr.U.S. Congress Member (R-PA)Buy$143.46$1,001 - $15,0009/3/2024Priya SinghalInsiderSell431$204.22$88,018.82 (Data available from 1/1/2013 forward) BIIB Insider Trading Activity - Frequently Asked Questions Who is on Biogen's Insider Roster? The list of insiders at Biogen includes Eric K Rowinsky, Ginger Gregory, Priya Singhal, Stephen A Sherwin, and Susan H Alexander. Learn more on insiders at BIIB. What percentage of Biogen stock is owned by insiders? 0.16% of Biogen stock is owned by insiders. Learn more on BIIB's insider holdings. Which Biogen insiders have been buying company stock? The following insider purchased BIIB shares in the last 24 months: Eric K Rowinsky ($101,255.70). How much insider buying is happening at Biogen? Insiders have purchased a total of 455 BIIB shares in the last 24 months for a total of $101,255.70 bought. Which Biogen insiders have been selling company stock? The following insiders have sold BIIB shares in the last 24 months: Priya Singhal ($456,365.72), and Stephen A Sherwin ($1,314,175.20). How much insider selling is happening at Biogen? Insiders have sold a total of 10,695 Biogen shares in the last 24 months for a total of $1,770,540.92 sold. Which members of congress are trading Biogen? Ro Khanna (D-CA) and Robert Bresnahan, Jr. (R-PA) have bought shares of Biogen in the last year totaling $16,000. Robert Bresnahan, Jr. (R-PA) has sold shares totaling $8,000. Biogen Key ExecutivesMr. Christopher A. Viehbacher (Age 63)President, CEO & Director Compensation: $4.07MMr. Michael R. McDonnell CPA (Age 60)Executive VP & CFO Compensation: $2.21MMs. Nicole Murphy (Age 51)Head of Pharmaceutical Operations & Technology Compensation: $1.45MMs. Susan H. Alexander Esq. (Age 67)Executive VP & Chief Legal Officer Compensation: $1.95MMr. Rachid Izzar (Age 49)Head of Global Product Strategy & Commercialization Compensation: $1.27MMs. Robin C. Kramer (Age 58)Senior VP & Chief Accounting Officer Mr. Charles E. TrianoSenior VP & Head of Investor RelationsMs. Natacha GassenbachChief Communication Officer & Head of Corporate AffairsMr. Adam Keeney Ph.D. (Age 47)Executive VP & Head of Corporate Development Dr. Ginger Gregory Ph.D. (Age 56)Executive VP & Chief Human Resources Officer Compensation: $1.59M More Insider Trading Tools from MarketBeat Related Companies Regeneron Pharmaceuticals Insider Trading Alnylam Pharmaceuticals Insider Trading United Therapeutics Insider Trading Neurocrine Biosciences Insider Trading BioMarin Pharmaceutical Insider Trading Incyte Insider Trading Exelixis Insider Trading Exact Sciences Insider Trading Halozyme Therapeutics Insider Trading Repligen 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 Turbulence for Joby Shares: What's Behind the Recent Dip?UnitedHealth Insiders Double Down: Is UNH Stock a Value Play?Sprouts Stock: Insider Sales, But Strong Bullish Signals5 Hot Small-Cap Insiders Bought at the Peak of Tariff FearsThe Top-Ranked Insider Buys From April by Market Cap This page (NASDAQ:BIIB) was last updated on 5/22/2025 by MarketBeat.com Staff From Our PartnersWatch This Robotics Demo Before July 23rdJeff Brown, the tech legend who picked shares of Nvidia in 2016 before they jumped by more than 22,000%... ...Brownstone Research | SponsoredWhite House to reset Social Security?Elon Musk's parting DOGE gift looks set to shock America... 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