Merck & Co., Inc. (MRK) Insider Trading & Ownership $77.92 +0.69 (+0.89%) As of 05/20/2025 03:58 PM Eastern Add Compare Share Share Insider Trades Stock AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Merck & Co., Inc. (NYSE:MRK) Insider Buying and Selling ActivityCurrentInsider OwnershipPercentage0.13%Number OfInsiders Buying(Last 12 Months)1Amount OfInsider Buying(Last 12 Months)$250,012.25Number OfInsiders Selling(Last 12 Months)2Amount OfInsider Selling(Last 12 Months)$562,285.48 Get MRK Insider Trade Alerts Want to know when executives and insiders are buying or selling Merck & Co., Inc. stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily. Email Address MRK Insider Buying and Selling by Quarter Merck & Co., Inc. 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 TransactionDetails5/5/2025Marjorie Taylor GreeneU.S. Congress Member (R-GA)Buy$82.85$1,001 - $15,0004/29/2025Gilbert Ray Cisneros, Jr.U.S. Congress Member (D-CA)Buy$84.70$1,001 - $15,0004/25/2025Dalton E Smart IIISVPSell4,262$82.76$352,723.12 4/23/2025Ro KhannaU.S. Congress Member (D-CA)Sell$78.73$15,001 - $50,0004/21/2025Bruce WestermanU.S. Congress Member (R-AR)Sell$77.91$1,001 - $15,0004/17/2025Jefferson ShreveU.S. Congress Member (R-IN)Sell$77.93$15,001 - $50,0004/15/2025Ro KhannaU.S. Congress Member (D-CA)Buy$78.28$15,001 - $50,0004/9/2025Marjorie Taylor GreeneU.S. Congress Member (R-GA)Buy$81.82$1,001 - $15,0004/8/2025Robert Bresnahan, Jr.U.S. Congress Member (R-PA)Buy$78.77$15,001 - $50,0003/31/2025Gilbert Ray Cisneros, Jr.U.S. Congress Member (D-CA)Sell$89.74$15,001 - $50,0003/20/2025Kelly MorrisonU.S. Congress Member (D-MN)Sell$94.72$1,001 - $15,0003/3/2025Bruce WestermanU.S. Congress Member (R-AR)Buy$93.19$1,001 - $15,0002/26/2025Gilbert Ray Cisneros, Jr.U.S. Congress Member (D-CA)Buy$89.39$15,001 - $50,0002/25/2025Robert Bresnahan, Jr.U.S. Congress Member (R-PA)Sell$91.50$15,001 - $50,0002/24/2025Jefferson ShreveU.S. Congress Member (R-IN)Buy$91.22$15,001 - $50,0002/6/2025Cristal N DowningInsiderSell2,361$88.76$209,562.36 2/6/2025Inge G ThulinDirectorBuy2,833$88.25$250,012.25 (Data available from 1/1/2013 forward) MRK Insider Trading Activity - Frequently Asked Questions Who is on Merck & Co., Inc.'s Insider Roster? The list of insiders at Merck & Co., Inc. includes Cristal N Downing, Dalton E Smart III, Inge G Thulin, Johannes Jacobus Oosthuizen, Joseph Romanelli, Kenneth C Frazier, Richard R Deluca, Rita A Karachun, Robert M Davis, Sanat Chattopadhyay, and Steven Mizell. Learn more on insiders at MRK. What percentage of Merck & Co., Inc. stock is owned by insiders? 0.13% of Merck & Co., Inc. stock is owned by insiders. Learn more on MRK's insider holdings. Which Merck & Co., Inc. insiders have been buying company stock? The following insider purchased MRK shares in the last 24 months: Inge G Thulin ($250,012.25). How much insider buying is happening at Merck & Co., Inc.? Insiders have purchased a total of 2,833 MRK shares in the last 24 months for a total of $250,012.25 bought. Which Merck & Co., Inc. insiders have been selling company stock? The following insiders have sold MRK shares in the last 24 months: Cristal N Downing ($209,562.36), Dalton E Smart III ($352,723.12), Johannes Jacobus Oosthuizen ($213,052.78), Joseph Romanelli ($124,890.00), Richard R Deluca ($4,602,729.69), and Steven Mizell ($7,358,392.60). How much insider selling is happening at Merck & Co., Inc.? Insiders have sold a total of 112,971 Merck & Co., Inc. shares in the last 24 months for a total of $12,861,350.55 sold. Which members of congress are trading Merck & Co., Inc.? Marjorie Taylor Greene (R-GA), Gilbert Ray Cisneros, Jr. (D-CA), Ro Khanna (D-CA), Robert Bresnahan, Jr. (R-PA), Bruce Westerman (R-AR), Jefferson Shreve (R-IN), Julie Johnson (D-TX), Jared Moskowitz (D-FL), C. Scott Franklin (R-FL), and Kathy E. Manning (D-NC) have bought shares of Merck & Co., Inc. in the last year totaling $194,000. Ro Khanna (D-CA), Bruce Westerman (R-AR), Jefferson Shreve (R-IN), Gilbert Ray Cisneros, Jr. (D-CA), Kelly Morrison (D-MN), Robert Bresnahan, Jr. (R-PA), Josh Gottheimer (D-NJ), Byron Donalds (R-FL), Jared Moskowitz (D-FL), Jonathan L. Jackson (D-IL), and John James (R-MI) have sold shares totaling $251,000. Merck & Co., Inc. Key ExecutivesMr. Robert M. Davis J.D. (Age 57)Chairman, President & CEO Compensation: $5.57MMs. Caroline Litchfield (Age 55)Executive VP & CFO Compensation: $3.09MMr. Richard R. DeLuca Jr. (Age 61)Executive VP & President of Merck Animal Health Compensation: $2.4MMr. Sanat Chattopadhyay (Age 64)Executive VP & President of Merck Manufacturing Division Compensation: $2.49MDr. Dean Y. Li M.D. (Age 61)Ph.D., Executive VP & President of Merck Research Laboratories Compensation: $3.61MMr. Dalton E. Smart III (Age 57)Senior VP of Finance, Principal Accounting Officer & Global Controller 1 recent tradesMr. David Michael Williams (Age 55)Executive VP and Chief Information & Digital Officer Mr. Peter DannenbaumVice President of Investor RelationsMs. Jennifer L. Zachary (Age 46)Executive VP & General Counsel Compensation: $2.73MLisa LeCointe-Cephas (Age 42)Senior VP and Chief Ethics & Compliance Officer More Insider Trading Tools from MarketBeat Related Companies Eli Lilly and Company Insider Selling Johnson & Johnson Insider Selling AbbVie Insider Selling Pfizer Insider Selling Bristol-Myers Squibb Insider Selling Zoetis Insider Selling Royalty Pharma Insider Selling Corcept Therapeutics Insider Selling Jazz Pharmaceuticals Insider Selling Perrigo Insider Selling 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 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 CapMcDonald’s Insiders Sell Shares! Investors Should Do the Opposite This page (NYSE:MRK) was last updated on 5/21/2025 by MarketBeat.com Staff From Our PartnersWhite House to reset Social Security?Elon Musk's parting DOGE gift looks set to shock America... A single announcement by July 22nd could soon b...Altimetry | SponsoredTrump’s treachery Trump’s Final Reset Inside the shocking plot to re-engineer America’s financial system…and why you need to ...Porter & Company | SponsoredMan who predicted $100K Bitcoin sees a huge run coming for another coin …Sure enough, Bitcoin took off on the exact day Juan said it would. 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