Biogen (BIIB) Insider Trading & Ownership $120.93 -0.15 (-0.12%) Closing price 05/1/2025 04:00 PM EasternExtended Trading$121.06 +0.13 (+0.10%) As of 04:56 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 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? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily. 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 TransactionDetails3/7/2025Stephen 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? Robert Bresnahan, Jr. (R-PA) has bought shares of Biogen in the last year 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 BioMarin Pharmaceutical Insider Trading Incyte Insider Trading Exelixis Insider Trading Neurocrine Biosciences Insider Trading Exact Sciences Insider Trading Repligen Insider Trading Halozyme Therapeutics 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 McDonald’s Insiders Sell Shares! Investors Should Do the Opposite5 Mid-Cap Stocks Insiders Are Buying This YearInsider Buying in This Stock Reiterates Analysts Bullish OutlookBeware of BigBear.ai: Insiders Are Selling—Should You?XPO Buying $50 Million of Its Own Stock: Here's Why This page (NASDAQ:BIIB) was last updated on 5/2/2025 by MarketBeat.com Staff From Our PartnersElon Set to Shock the World by May 1st ?Tech legend Jeff Brown recently traveled to the industrial zone of South Memphis to investigate what he believ...Brownstone Research | SponsoredWarning: “DOGE Collapse” imminentElon Strikes Back You may already sense that the tide is turning against Elon Musk and DOGE. Just this week...Altimetry | SponsoredGold Alert: The Truth About Fort Knox Is ComingOwning physical gold isn’t the best way to profit. 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Louis Navellier didn’t...InvestorPlace | Sponsored Adding Choose a watchlist: Watchlist Adding You have already added five stocks to your watchlist. Upgrade to MarketBeat All Access to add more stocks to your watchlist. Adding Biogen Inc. Please log in to your account or sign up in order to add this asset to your watchlist. Share Biogen With A Colleague Link copied to clipboard. Get 30 Days of MarketBeat All Access for Free Sign up for MarketBeat All Access to gain access to MarketBeat's full suite of research tools. Start Your 30-Day Trial MarketBeat All Access Features Best-in-Class Portfolio Monitoring Get personalized stock ideas. Compare portfolio to indices. Check stock news, ratings, SEC filings, and more. Stock Ideas and Recommendations See daily stock ideas from top analysts. Receive short-term trading ideas from MarketBeat. Identify trending stocks on social media. Advanced Stock Screeners and Research Tools Use our seven stock screeners to find suitable stocks. 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