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MRK Insider Trading

Insider Ownership Percentage: 0.13%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $23,684,979.10

Merck & Co., Inc. Insider Trading History Chart

This chart shows the insider buying and selling history at Merck & Co., Inc. by year and by quarter.

Skip ChartChart Data in Insider Trading History Table

Merck & Co., Inc. Share Price & Price History

Current Price: $121.92
Price Change: ▲ Price Increase of +2.17 (1.81%)
As of 02/6/2026 04:59 PM ET

This chart shows the closing price history over time for MRK up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365

Merck & Co., Inc. Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
2/6/2026David Michael WilliamsEVPSell5,000$121.91$609,550.0030,838View SEC Filing Icon  
2/6/2026Johannes Jacobus OosthuizenInsiderSell15,000$121.87$1,828,050.0021,197View SEC Filing Icon  
2/6/2026Richard R. DelucaEVPSell37,685$120.92$4,556,870.20160,174View SEC Filing Icon  
2/5/2026Chirfi GuindoCMOSell20,000$121.88$2,437,600.0080,615View SEC Filing Icon  
2/4/2026Caroline LitchfieldCFOSell41,997$119.61$5,023,261.1790,192View SEC Filing Icon  
2/4/2026Dalton E Smart IIISVPSell6,400$119.67$765,888.008,205View SEC Filing Icon  
2/4/2026Dean Y LiVPSell15,087$118.77$1,791,882.99102,270View SEC Filing Icon  
2/4/2026Robert M. DavisCEOSell47,434$118.04$5,599,109.36443,602View SEC Filing Icon  
11/3/2025David Michael WilliamsEVPSell8,614$83.59$720,044.2624,578View SEC Filing Icon  
4/25/2025Dalton E Smart IIISVPSell4,262$82.76$352,723.127,778View SEC Filing Icon  
2/6/2025Cristal N. DowningInsiderSell2,361$88.76$209,562.367,085View SEC Filing Icon  
2/6/2025Inge G. ThulinDirectorBuy2,833$88.25$250,012.252,933View SEC Filing Icon  
2/13/2024Joseph RomanelliInsiderSell1,000$124.89$124,890.0019,569View SEC Filing Icon  
2/2/2024Steven MizellEVPSell50,694$126.65$6,420,395.1023,619View SEC Filing Icon  
11/9/2023Johannes Jacobus OosthuizenInsiderSell2,081$102.38$213,052.7818,191View SEC Filing Icon  
11/8/2023Richard R. DelucaEVPSell43,823$105.03$4,602,729.69111,764View SEC Filing Icon  
8/14/2023Steven MizellEVPSell4,250$109.01$463,292.5022,935View SEC Filing Icon  
8/3/2023Steven MizellEVPSell4,500$105.49$474,705.0027,185View SEC Filing Icon  
5/4/2023Rita A. KarachunVPSell15,875$117.53$1,865,788.7545,710View SEC Filing Icon  
5/3/2023Steven MizellEVPSell53,400$119.01$6,355,134.0031,685View SEC Filing Icon  
5/1/2023Richard R. DelucaEVPSell75,436$116.03$8,752,839.08154,493View SEC Filing Icon  
4/28/2023Richard R. DelucaEVPSell66,163$115.00$7,608,745.00154,493View SEC Filing Icon  
4/28/2023Robert M. DavisCEOSell143,329$114.93$16,472,801.97271,817View SEC Filing Icon  
4/26/2023Joseph RomanelliInsiderBuy3$113.68$341.0420,599View SEC Filing Icon  
4/13/2023Sanat ChattopadhyayinsiderSell134,055$115.07$15,425,708.85View SEC Filing Icon  
3/24/2023Joseph RomanelliInsiderSell35$104.65$3,662.7520,596View SEC Filing Icon  
3/20/2023Joseph RomanelliInsiderBuy136$105.47$14,343.9220,631View SEC Filing Icon  
2/21/2023Joseph RomanelliInsiderBuy11$109.20$1,201.2020,495View SEC Filing Icon  
2/15/2023Joseph RomanelliInsiderSell5,000$108.22$541,100.0020,284View SEC Filing Icon  
2/13/2023Steven MizellEVPSell1,815$109.10$198,016.5033,085View SEC Filing Icon  
2/9/2023Steven MizellEVPSell5,000$107.00$535,000.0034,900View SEC Filing Icon  
2/6/2023Steven MizellEVPSell4,436$104.25$462,453.0039,900View SEC Filing Icon  
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SEC Filings (Institutional Ownership Changes) for Merck & Co., Inc. (NYSE:MRK)

76.07% of Merck & Co., Inc. stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at MRK by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

Merck & Co., Inc. Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
2/6/2026GPS Wealth Strategies Group LLC658$69K0.1%-79.3%0.000%Search for SEC Filing on Google Icon
2/6/2026Planning Alternatives Ltd. ADV2,127$0.22M0.0%N/A0.000%Search for SEC Filing on Google Icon
2/6/2026Associated Banc Corp101,341$10.67M0.3%+3.6%0.004%Search for SEC Filing on Google Icon
2/6/2026CFO4Life Group LLC2,548$0.27M0.0%-6.4%0.000%Search for SEC Filing on Google Icon
2/6/2026EverSource Wealth Advisors LLC23,202$2.44M0.1%+10.9%0.001%Search for SEC Filing on Google Icon
2/6/2026Delta Financial Advisors LLC13,707$1.44M0.4%+13.9%0.001%Search for SEC Filing on Google Icon
2/6/2026Americana Partners LLC220,405$23.20M0.6%-0.2%0.009%Search for SEC Filing on Google Icon
2/6/2026Nixon Peabody Trust Co.80,097$8.43M0.6%-0.2%0.003%Search for SEC Filing on Google Icon
2/6/2026Legato Capital Management LLC25,999$2.74M0.2%+50.8%0.001%Search for SEC Filing on Google Icon
2/6/2026Lloyd Advisory Services LLC.956$0.10M0.0%N/A0.000%Search for SEC Filing on Google Icon
2/6/2026LSV Asset Management5,174,433$544.66M1.2%-2.4%0.208%Search for SEC Filing on Google Icon
2/6/2026Geometric Wealth Advisors2,191$0.23M0.0%N/A0.000%Search for SEC Filing on Google Icon
2/6/2026Platt Wealth Management LLC3,266$0.34M0.3%N/A0.000%Search for SEC Filing on Google Icon
2/6/2026New World Advisors LLC3,958$0.42M0.1%+13.7%0.000%Search for SEC Filing on Google Icon
2/6/2026Advisory Alpha LLC7,170$0.76M0.0%+17.9%0.000%Search for SEC Filing on Google Icon
2/6/2026Insight Inv LLC20,794$2.19M1.2%+8.6%0.001%Search for SEC Filing on Google Icon
2/6/2026Evoke Wealth LLC28,736$3.05M0.1%+4.9%0.001%Search for SEC Filing on Google Icon
2/6/2026SGL Investment Advisors Inc.7,926$0.83M0.3%-7.7%0.000%Search for SEC Filing on Google Icon
2/6/2026Principle Wealth Partners LLC82,266$8.66M0.5%+8.4%0.003%Search for SEC Filing on Google Icon
2/6/2026Orange Investment Advisors Inc.8,275$0.87M0.1%-24.0%0.000%Search for SEC Filing on Google Icon
2/6/2026Empirical Asset Management LLC12,481$1.31M0.2%-1.7%0.001%Search for SEC Filing on Google Icon
2/6/2026Keudell Morrison Wealth Management12,657$1.33M0.3%N/A0.001%Search for SEC Filing on Google Icon
2/6/2026Ignite Planners LLC6,462$0.71M0.1%+10.1%0.000%Search for SEC Filing on Google Icon
2/6/2026Axxcess Wealth Management LLC329,155$33.96M0.1%+402.4%0.013%Search for SEC Filing on Google Icon
2/6/2026Mraz Amerine & Associates Inc.15,208$1.60M0.2%+2.7%0.001%Search for SEC Filing on Google Icon
2/6/2026Keystone Financial Group22,753$2.40M0.2%-7.7%0.001%Search for SEC Filing on Google Icon
2/6/2026Kingdom Financial Group LLC.241$25K0.0%N/A0.000%Search for SEC Filing on Google Icon
2/6/2026Diamant Asset Management Inc.16,912$1.78M1.3%-8.6%0.001%Search for SEC Filing on Google Icon
2/6/2026Pinnbrook Capital Management LP23,280$2.45M0.3%+95.2%0.001%Search for SEC Filing on Google Icon
2/6/2026Meiji Yasuda Asset Management Co Ltd.63,682$6.70M0.3%+0.1%0.003%Search for SEC Filing on Google Icon
2/6/2026Van Hulzen Asset Management LLC12,682$1.34M0.1%-5.8%0.001%Search for SEC Filing on Google Icon
2/6/2026Signature Estate & Investment Advisors LLC7,872$0.83M0.0%-5.1%0.000%Search for SEC Filing on Google Icon
2/6/2026Commonwealth Financial Services LLC7,514$0.79M0.1%+16.5%0.000%Search for SEC Filing on Google Icon
2/6/2026Intellus Advisors LLC4,113$0.43M0.1%+8.8%0.000%Search for SEC Filing on Google Icon
2/6/2026Wrapmanager Inc.6,720$0.71M0.2%-7.3%0.000%Search for SEC Filing on Google Icon
2/6/2026Curat Global LLC7,427$0.78M0.9%-39.1%0.000%Search for SEC Filing on Google Icon
2/6/2026Heritage Investors Management Corp331,872$34.93M1.0%+0.7%0.013%Search for SEC Filing on Google Icon
2/6/2026Resolute Wealth Strategies LLC7,045$0.74M0.3%+14.6%0.000%Search for SEC Filing on Google Icon
2/6/2026Bare Financial Services Inc1,158$0.12M0.0%+214.7%0.000%Search for SEC Filing on Google Icon
2/6/2026Harbor Advisory Corp MA24,449$2.57M0.8%-7.0%0.001%Search for SEC Filing on Google Icon
2/6/2026Hexagon Capital Partners LLC15,252$1.61M0.3%+5.3%0.001%Search for SEC Filing on Google Icon
2/6/2026FourThought Financial Partners LLC5,173$0.54M0.0%-9.2%0.000%Search for SEC Filing on Google Icon
2/6/2026Global Retirement Partners LLC87,713$9.23M0.2%+110.4%0.004%Search for SEC Filing on Google Icon
2/6/2026Blackston Financial Advisory Group LLC3,732$0.39M0.2%-7.1%0.000%Search for SEC Filing on Google Icon
2/6/2026Great Diamond Partners LLC8,630$0.91M0.2%-6.8%0.000%Search for SEC Filing on Google Icon
2/6/2026Twin Capital Management Inc.56,876$5.99M0.7%+9.2%0.002%Search for SEC Filing on Google Icon
2/6/2026Mach 1 Financial Group LLC8,343$0.88M0.2%N/A0.000%Search for SEC Filing on Google Icon
2/6/2026Trajan Wealth LLC56,067$5.90M0.2%-0.7%0.002%Search for SEC Filing on Google Icon
2/6/2026Cypress Capital LLC25,081$2.64M0.7%-1.7%0.001%Search for SEC Filing on Google Icon
2/6/2026Callahan Advisors LLC23,402$2.46M0.2%-2.2%0.001%Search for SEC Filing on Google Icon
2/6/2026Griffin Asset Management Inc.113,106$11.91M1.3%+6.3%0.005%Search for SEC Filing on Google Icon
2/6/2026Motco47,983$5.05M0.5%-1.0%0.002%Search for SEC Filing on Google Icon
2/6/2026Flaharty Asset Management LLC3,120$0.33M0.0%+7.4%0.000%Search for SEC Filing on Google Icon
2/6/2026CWS Financial Advisors LLC2,170$0.23M0.1%N/A0.000%Search for SEC Filing on Google Icon
2/6/2026Harmony Asset Management LLC1,921$0.20M0.1%N/A0.000%Search for SEC Filing on Google Icon
2/6/2026Legacy Financial Group Inc.2,311$0.24M0.1%-13.3%0.000%Search for SEC Filing on Google Icon
2/6/2026Fi3 FINANCIAL ADVISORS LLC7,414$0.79M0.2%+9.8%0.000%Search for SEC Filing on Google Icon
2/6/2026Aspen Investment Management Inc5,969$0.63M0.2%N/A0.000%Search for SEC Filing on Google Icon
2/6/2026Burling Wealth Partners LLC28,913$3.04M0.5%-5.2%0.001%Search for SEC Filing on Google Icon
2/6/2026Sierra Summit Advisors LLC20,120$2.12M0.3%+2.1%0.001%Search for SEC Filing on Google Icon
2/6/2026MJP Associates Inc. ADV23,282$2.45M0.3%+1.9%0.001%Search for SEC Filing on Google Icon
2/6/2026Leonteq Securities AG138,929$14.62M0.4%N/A0.006%Search for SEC Filing on Google Icon
2/6/2026Pinkerton Wealth LLC60,900$6.41M0.7%+0.4%0.002%Search for SEC Filing on Google Icon
2/6/2026Princeton Capital Management LLC2,200$0.23M0.1%N/A0.000%Search for SEC Filing on Google Icon
2/6/2026ABN Amro Investment Solutions256,834$27.03M0.4%+35.6%0.010%Search for SEC Filing on Google Icon
2/6/2026Rathbones Group PLC260,490$27.42M0.1%-36.4%0.010%Search for SEC Filing on Google Icon
2/6/2026Lazard Freres Gestion S.A.S.1,193,915$125.67M2.3%+1.9%0.048%Search for SEC Filing on Google Icon
2/6/2026Little House Capital LLC13,615$1.43M0.4%-11.7%0.001%Search for SEC Filing on Google Icon
2/6/2026Kennedy Investment Group3,221$0.34M0.1%-5.7%0.000%Search for SEC Filing on Google Icon
2/6/2026IFP Advisors Inc28,036$2.95M0.1%-7.7%0.001%Search for SEC Filing on Google Icon
2/6/2026Providence Wealth Advisors LLC10,929$1.16M0.7%-1.8%0.000%Search for SEC Filing on Google Icon
2/6/2026Marble Harbor Investment Counsel LLC67,506$7.11M0.8%-1.8%0.003%Search for SEC Filing on Google Icon
2/6/2026Adell Harriman & Carpenter Inc.12,612$1.33M0.1%-11.7%0.001%Search for SEC Filing on Google Icon
2/6/2026Northbridge Financial Group LLC2,291$0.24M0.1%N/A0.000%Search for SEC Filing on Google Icon
2/6/2026CapWealth Advisors LLC328,315$34.56M2.4%+0.7%0.013%Search for SEC Filing on Google Icon
2/6/2026Atle Fund Management AB195,768$20.61M6.5%+21.7%0.008%Search for SEC Filing on Google Icon
2/6/2026Investment House LLC55,454$5.84M0.3%-3.8%0.002%Search for SEC Filing on Google Icon
2/6/2026Intrust Bank NA24,211$2.55M0.2%+3.5%0.001%Search for SEC Filing on Google Icon
2/6/2026Banque Cantonale Vaudoise119,905$12.62M0.5%+5.1%0.005%Search for SEC Filing on Google Icon
2/6/2026Cullen Frost Bankers Inc.215,997$22.74M0.2%-4.2%0.009%Search for SEC Filing on Google Icon
2/6/2026Creative Financial Designs Inc. ADV17,202$1.81M0.1%+1.2%0.001%Search for SEC Filing on Google Icon
2/6/2026Covestor Ltd3,823$0.40M0.2%-29.9%0.000%Search for SEC Filing on Google Icon
2/6/2026Harvest Portfolios Group Inc.670,161$70.54M1.2%-10.1%0.027%Search for SEC Filing on Google Icon
2/6/2026Muirfield Wealth Advisors LLC2,118$0.22M0.2%N/A0.000%Search for SEC Filing on Google Icon
2/6/2026Fideuram Intesa Sanpaolo Private Banking S.P.A.196,854$20.72M0.7%N/A0.008%Search for SEC Filing on Google Icon
2/6/2026PNC Financial Services Group Inc.7,621,832$802.27M0.4%-3.1%0.307%Search for SEC Filing on Google Icon
2/6/2026Granite FO LLC347$37K0.0%-73.7%0.000%Search for SEC Filing on Google Icon
2/6/2026Tredje AP fonden709,260$74.66M0.6%+12.4%0.029%Search for SEC Filing on Google Icon
2/6/2026Larson Financial Group LLC56,740$5.97M0.2%-3.2%0.002%Search for SEC Filing on Google Icon
2/6/2026Handelsbanken Fonder AB1,843,042$194M0.6%+13.9%0.074%Search for SEC Filing on Google Icon
2/6/2026Resona Asset Management Co. Ltd.871,679$91.95M0.4%-7.0%0.035%Search for SEC Filing on Google Icon
2/6/2026Gables Capital Management Inc.16,902$1.78M0.8%-2.3%0.001%Search for SEC Filing on Google Icon
2/6/2026Hartford Funds Management Co LLC7,969$0.84M0.1%+3.4%0.000%Search for SEC Filing on Google Icon
2/6/2026Paradigm Capital Management LLC NV30,969$3.26M3.0%+0.9%0.001%Search for SEC Filing on Google Icon
2/6/2026McKinley Carter Wealth Services Inc.25,091$2.64M0.1%+7.6%0.001%Search for SEC Filing on Google Icon
2/6/2026Flynn Zito Capital Management LLC3,472$0.37M0.1%+9.2%0.000%Search for SEC Filing on Google Icon
2/6/2026Csenge Advisory Group13,121$1.38M0.1%+5.5%0.001%Search for SEC Filing on Google Icon
2/6/2026Integral Investment Advisors Inc.2,303$0.24M0.1%N/A0.000%Search for SEC Filing on Google Icon
2/6/2026Aviance Capital Partners LLC38,794$4.08M0.5%-1.3%0.002%Search for SEC Filing on Google Icon
2/6/2026Capstone Capital Management Ltd7,535$0.79M0.8%N/A0.000%Search for SEC Filing on Google Icon
Data available starting January 2016

See Full Table
Merck & Co., Inc. logo
Merck & Co., Inc. is a health care company, which engages in the provision of health solutions through its prescription medicines, vaccines, biologic therapies, animal health, and consumer care products. It operates through the following segments: Pharmaceutical, Animal Health, and Other. The Pharmaceutical segment includes human health pharmaceutical and vaccine products. The Animal Health segment discovers, develops, manufactures, and markets animal health products, such as pharmaceutical and vaccine products, for the prevention, treatment and control of disease in livestock, and companion animal species. The Other segment consists of sales for the non-reportable segments of healthcare services. The company was founded in 1891 and is headquartered in Rahway, NJ.
Read More on Merck & Co., Inc.

Today's Range

Now: $121.92
Low: $120.44
High: $122.66

50 Day Range

MA: $106.58
Low: $96.91
High: $121.92

52 Week Range

Now: $121.92
Low: $73.31
High: $122.66

Volume

13,080,359 shs

Average Volume

13,263,782 shs

Market Capitalization

$302.61 billion

P/E Ratio

16.75

Dividend Yield

2.84%

Beta

0.28

Who are the company insiders with the largest holdings of Merck & Co., Inc.?

Merck & Co., Inc.'s top insider shareholders include:
  1. David Michael Williams (EVP)
  2. Joseph Romanelli (Insider)
  3. Dalton E Smart III (SVP)
  4. Cristal N Downing (Insider)
  5. Inge G Thulin (Director)
Learn More about top insider investors at Merck & Co., Inc..

Who are the major institutional investors of Merck & Co., Inc.?

Merck & Co., Inc.'s top institutional shareholders include:
  1. Vanguard Group Inc. — 10.25%
  2. Nordea Investment Management AB — 0.43%
  3. Swedbank AB — 0.31%
  4. PNC Financial Services Group Inc. — 0.31%
  5. Sumitomo Mitsui Trust Group Inc. — 0.28%
  6. Jennison Associates LLC — 0.22%
Learn More about top institutional investors of Merck & Co., Inc. stock.

Which institutional investors are selling Merck & Co., Inc. stock?

During the previous quarter, MRK stock was sold by these institutional investors:
  1. Assenagon Asset Management S.A.
  2. Massachusetts Financial Services Co. MA
  3. ABN AMRO Bank N.V.
  4. M&T Bank Corp
  5. Mitsubishi UFJ Trust & Banking Corp
  6. Swedbank AB
  7. Robeco Institutional Asset Management B.V.
  8. UBS Group AG
Within the previous year, company insiders that have sold Merck & Co., Inc. company stock include:
  1. David Michael Williams (EVP)
  2. Joseph Romanelli (Insider)
  3. Dalton E Smart III (SVP)
Learn More investors selling Merck & Co., Inc. stock.

Which institutional investors are buying Merck & Co., Inc. stock?

Within the previous quarter, MRK stock was purchased by institutional investors including:
  1. Jennison Associates LLC
  2. Vanguard Group Inc.
  3. PFA Pension Forsikringsaktieselskab
  4. Bessemer Group Inc.
  5. FengHe Fund Management Pte. Ltd.
  6. Truist Financial Corp
  7. Allspring Global Investments Holdings LLC
  8. Cadinha & Co. LLC