Thermo Fisher Scientific (TMO) Insider Trading & Ownership $407.36 -14.91 (-3.53%) Closing price 03:59 PM EasternExtended Trading$416.04 +8.68 (+2.13%) As of 07:58 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 ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Thermo Fisher Scientific (NYSE:TMO) Insider Buying and Selling ActivityCurrentInsider OwnershipPercentage0.33%Number OfInsiders Buying(Last 12 Months)0Number OfInsiders Selling(Last 12 Months)6Amount OfInsider Selling(Last 12 Months)$58.96 M Get TMO Insider Trade Alerts Want to know when executives and insiders are buying or selling Thermo Fisher Scientific stock? 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Email Address TMO Insider Buying and Selling by Quarter Thermo Fisher Scientific 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 TransactionDetails4/28/2025Gianluca PettitiEVPSell300$429.93$128,979.00 4/8/2025Robert Bresnahan, Jr.U.S. Congress Member (R-PA)Sell$417.57$15,001 - $50,0003/27/2025Greg LandsmanU.S. Congress Member (D-OH)Sell$511.69$1,001 - $15,0003/10/2025Michael A BoxerSVPSell3,775$532.52$2,010,263.00 3/4/2025Marc N CasperCEOSell10,000$516.67$5,166,700.00 3/3/2025Bruce WestermanU.S. Congress Member (R-AR)Buy$523.00$1,001 - $15,0002/25/2025Robert Bresnahan, Jr.U.S. Congress Member (R-PA)Sell$539.86$1,001 - $15,0002/4/2025Gianluca PettitiEVPSell300$585.59$175,677.00 2/4/2025Stephen WilliamsonCFOSell9,825$585.59$5,753,421.75 12/2/2024Marc N CasperCEOSell10,000$530.26$5,302,600.00 11/8/2024Marc N CasperCEOSell9,000$552.86$4,975,740.00 11/6/2024Marc N CasperCEOSell10,000$558.12$5,581,200.00 11/1/2024Marc N CasperCEOSell5,850$557.89$3,263,656.50 10/28/2024Marc N CasperCEOSell10,000$554.29$5,542,900.00 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. 10/25/2024Gianluca PettitiEVPSell300$560.16$168,048.00 10/25/2024Michael A BoxerSVPSell2,000$560.16$1,120,320.00 9/10/2024Josh GottheimerU.S. Congress Member (D-NJ)Buy$624.21$1,001 - $15,0009/4/2024John JamesU.S. Congress Member (R-MI)Sell$611.90$1,001 - $15,0007/31/2024Marc N CasperCEOSell10,000$617.21$6,172,100.00 7/29/2024Marc N CasperCEOSell6,300$602.09$3,793,167.00 7/26/2024Gianluca PettitiEVPSell300$600.85$180,255.00 7/26/2024Joseph R HolmesCAOSell860$611.03$525,485.80 7/26/2024Lisa P BrittVPSell3,624$613.02$2,221,584.48 7/26/2024Michael A BoxerSVPSell2,000$600.85$1,201,700.00 6/3/2024Marc N CasperCEOSell10,000$567.28$5,672,800.00 (Data available from 1/1/2013 forward) TMO Insider Trading Activity - Frequently Asked Questions Who is on Thermo Fisher Scientific's Insider Roster? The list of insiders at Thermo Fisher Scientific includes Debora L Spar, Gianluca Pettiti, Jim P Manzi, Joseph R Holmes, Lisa P Britt, Marc N Casper, Michael A Boxer, Michel Lagarde, and Stephen Williamson. Learn more on insiders at TMO. What percentage of Thermo Fisher Scientific stock is owned by insiders? 0.33% of Thermo Fisher Scientific stock is owned by insiders. Learn more on TMO's insider holdings. Which Thermo Fisher Scientific insiders have been buying company stock? The following insider purchased TMO shares in the last 24 months: Michael A Boxer ($2,104.60). How much insider buying is happening at Thermo Fisher Scientific? Insiders have purchased a total of 4 TMO shares in the last 24 months for a total of $2,104.60 bought. Which Thermo Fisher Scientific insiders have been selling company stock? The following insiders have sold TMO shares in the last 24 months: Debora L Spar ($89,703.08), Gianluca Pettiti ($2,326,269.00), Joseph R Holmes ($525,485.80), Lisa P Britt ($2,221,584.48), Marc N Casper ($87,764,824.64), Michael A Boxer ($13,654,255.00), and Stephen Williamson ($13,508,421.75). How much insider selling is happening at Thermo Fisher Scientific? Insiders have sold a total of 217,011 Thermo Fisher Scientific shares in the last 24 months for a total of $120,090,543.75 sold. Which members of congress are trading Thermo Fisher Scientific? Bruce Westerman (R-AR) and Josh Gottheimer (D-NJ) have bought shares of Thermo Fisher Scientific in the last year totaling $16,000. Robert Bresnahan, Jr. (R-PA), Greg Landsman (D-OH), and John James (R-MI) have sold shares totaling $56,500. Thermo Fisher Scientific Key ExecutivesMr. Marc N. Casper (Age 56)Chairman, President & CEO Compensation: $5.08M3 recent tradesMr. Stephen Williamson (Age 57)Senior VP & CFO Compensation: $2.02M1 recent tradesMr. Michel Lagarde (Age 49)Executive VP & COO Compensation: $2.22MMs. Lisa P. Britt (Age 56)Chief Human Resources Officer & Senior VP Compensation: $1.21MMr. Gianluca Pettiti (Age 45)Executive Vice President Compensation: $1.66M2 recent tradesMr. Joseph R. Holmes (Age 44)VP & Chief Accounting Officer Mr. Ryan J. SnyderSenior VP & Chief Information OfficerDr. Karen E. Nelson Ph.D.Chief Scientific OfficerMr. Rafael TejadaVice President of Investor RelationsMr. Michael A. Boxer Esq. (Age 62)Senior VP & General Counsel Compensation: $1.76M1 recent trades More Insider Trading Tools from MarketBeat Related Companies A Insider Transactions MTD Insider Transactions WAT Insider Transactions ILMN Insider Transactions TECH Insider Transactions BIO Insider Transactions BRKR Insider Transactions CRL Insider Transactions PACB Insider Transactions HBIO Insider Transactions 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 The Top-Ranked Insider Buys From April by Market CapMcDonald’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? This page (NYSE:TMO) was last updated on 5/6/2025 by MarketBeat.com Staff From Our Partners3..2..1.. AI 2.0 ignition (don’t sleep on this)I just put together an urgent new presentation that you need to see right away. In short: I believe we are...Timothy Sykes | SponsoredTrump wipes out trillions overnight…Is there anybody more powerful than Donald Trump right now? In a single tariff announcement, he wiped out n...Porter & Company | SponsoredTrump’s Bitcoin Reserve is No Accident…Bryce Paul believes this is the #1 coin to buy right now The catalyst behind this surge is a massive new b...Crypto 101 Media | SponsoredURGENT: Someone's Moving Gold Out of London...People who don’t understand the gold market are about to lose a lot of money. 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