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MRK Insider Trading

Insider Ownership Percentage: 0.17%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $39,001,778.93

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: $128.27
Price Change: ▼ Price Decrease of -0.058 (-0.05%)
As of 08/6/2026 03:59 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
2/9/2026Chirfi GuindoCMOSell10,000$118.41$1,184,100.0070,615View SEC Filing Icon  
2/9/2026Jennifer ZacharyEVPSell121,573$119.15$14,485,422.9568,916View SEC Filing Icon  
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  
2/4/2026E 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  
4/25/2025E 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  
See Full Table

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
8/6/2026German American Bancorp Inc.3,358$0.43M0.0%-6.2%0.000%Search for SEC Filing on Google Icon
8/6/2026Heritage Trust Co84,905$10.91M0.9%+4.2%0.003%Search for SEC Filing on Google Icon
8/6/2026Gould Asset Management LLC CA3,182$0.41M0.1%+10.4%0.000%Search for SEC Filing on Google Icon
8/6/2026Argent Trust Co204,960$26.34M0.8%+4.4%0.008%Search for SEC Filing on Google Icon
8/6/2026J.Safra Asset Management Corp4,298$0.55M0.0%+3.7%0.000%Search for SEC Filing on Google Icon
8/6/2026Flputnam Investment Management Co.248,349$31.91M0.4%-1.0%0.010%Search for SEC Filing on Google Icon
8/6/2026Global Retirement Partners LLC78,760$10.12M0.2%N/A0.003%Search for SEC Filing on Google Icon
8/6/20261ST Source Bank93,431$12.01M0.5%-0.9%0.004%Search for SEC Filing on Google Icon
8/6/2026Fielder Capital Group LLC6,488$0.83M0.2%+23.1%0.000%Search for SEC Filing on Google Icon
8/6/2026SCS Capital Management LLC21,998$2.84M0.0%-2.7%0.001%Search for SEC Filing on Google Icon
8/6/2026CORDA Investment Management LLC.420,154$53.99M3.3%-1.7%0.017%Search for SEC Filing on Google Icon
8/6/2026Silverlake Wealth Management LLC21,599$2.78M0.5%+3.5%0.001%Search for SEC Filing on Google Icon
8/6/2026Bank of New York Mellon Corp18,340,173$2.36B0.4%-2.0%0.743%Search for SEC Filing on Google Icon
8/6/2026Sandro Wealth Management LLC1,778$0.23M0.2%N/A0.000%Search for SEC Filing on Google Icon
8/6/2026PTM Wealth Management LLC3,252$0.43M0.2%+4.0%0.000%Search for SEC Filing on Google Icon
8/6/2026Focus Partners Advisor Solutions LLC86,089$11.06M0.1%-11.9%0.003%Search for SEC Filing on Google Icon
8/6/2026State of Wyoming2,066$0.27M0.0%-5.6%0.000%Search for SEC Filing on Google Icon
8/6/2026ABN AMRO Bank N.V.136,228$17.49M0.2%-7.6%0.006%Search for SEC Filing on Google Icon
8/6/2026Summit Asset Management LLC7,305$0.94M0.1%+13.4%0.000%Search for SEC Filing on Google Icon
8/6/2026Kelleher Financial Advisors12,663$1.63M0.2%+23.2%0.001%Search for SEC Filing on Google Icon
8/6/2026EJMK Ventures LLC5,720$0.74M0.3%+8.6%0.000%Search for SEC Filing on Google Icon
8/6/2026Bellars Harris Wealth Management LLC79,847$10.26M2.1%N/A0.003%Search for SEC Filing on Google Icon
8/6/2026GSA Capital Partners LLP2,493$0.32M0.0%N/A0.000%Search for SEC Filing on Google Icon
8/6/2026Russell Investments Group Ltd.2,578,024$331.93M0.3%+2.0%0.104%Search for SEC Filing on Google Icon
8/6/2026Orca Investment Management LLC19,257$2.48M1.8%+5.8%0.001%Search for SEC Filing on Google Icon
8/6/2026TFR Capital LLC.6,757$0.87M0.2%+4.8%0.000%Search for SEC Filing on Google Icon
8/6/2026OakTrust Wealth Advisors LLC1,612$0.21M0.2%N/A0.000%Search for SEC Filing on Google Icon
8/6/2026Maridea Wealth Management LLC1,709$0.22M0.0%N/A0.000%Search for SEC Filing on Google Icon
8/6/2026Ridgecrest Wealth Partners LLC7,002$0.90M0.4%+2.4%0.000%Search for SEC Filing on Google Icon
8/6/2026Ceera Investments LLC4,299$0.55M0.2%-6.9%0.000%Search for SEC Filing on Google Icon
8/6/2026Blue Bell Private Wealth Management LLC3,212$0.41M0.1%-4.5%0.000%Search for SEC Filing on Google Icon
8/6/2026Cowa LLC6,531$0.84M0.2%-7.8%0.000%Search for SEC Filing on Google Icon
8/6/2026VeraBank N.A.10,222$1.31M0.2%-3.6%0.000%Search for SEC Filing on Google Icon
8/6/2026WPG Advisers LLC1,782$0.23M0.1%+27.7%0.000%Search for SEC Filing on Google Icon
8/6/2026Mitsubishi UFJ Trust & Banking Corp1,727,562$221.99M0.5%+8.9%0.070%Search for SEC Filing on Google Icon
8/6/2026ANTIPODES PARTNERS Ltd1,097,509$141.03M2.6%-23.9%0.044%Search for SEC Filing on Google Icon
8/6/2026Evernest Financial Advisors LLC9,826$1.26M0.3%-9.0%0.000%Search for SEC Filing on Google Icon
8/6/2026United Super Pty Ltd in its capacity as Trustee for the Construction & Building Unions Superannuation Fund393,305$50.54M0.9%-21.3%0.016%Search for SEC Filing on Google Icon
8/6/2026Gold Investment Management Ltd.16,465$2.12M0.6%+2.4%0.001%Search for SEC Filing on Google Icon
8/6/2026Meridian Wealth Management LLC79,604$10.23M0.3%+11.1%0.003%Search for SEC Filing on Google Icon
8/6/2026Cornerstone Select Advisors LLC25,523$3.28M1.4%+12.1%0.001%Search for SEC Filing on Google Icon
8/6/2026Strata Wealth Advisors LLC4,849$0.62M0.2%+3.8%0.000%Search for SEC Filing on Google Icon
8/6/2026Fort Sheridan Advisors LLC98,070$12.60M1.4%-0.5%0.004%Search for SEC Filing on Google Icon
8/6/2026Moran Wealth Management LLC212,218$27.27M0.7%-3.7%0.009%Search for SEC Filing on Google Icon
8/6/2026Insight Advisors LLC PA19,571$2.52M0.4%-2.6%0.001%Search for SEC Filing on Google Icon
8/6/2026Cane Capital Partners LLC3,197$0.41M0.2%+14.6%0.000%Search for SEC Filing on Google Icon
8/6/2026Spirepoint Private Client LLC10,184$1.31M0.1%-11.7%0.000%Search for SEC Filing on Google Icon
8/6/2026Mechanics Financial Corp10,915$1.40M0.5%+2.9%0.000%Search for SEC Filing on Google Icon
8/6/2026Ellis Investment Partners LLC24,852$3.19M0.5%-1.0%0.001%Search for SEC Filing on Google Icon
8/6/2026Intrust Bank NA28,996$3.73M0.3%+2.2%0.001%Search for SEC Filing on Google Icon
8/6/2026Mosaic Family Wealth Partners LLC11,904$1.53M0.1%+154.6%0.000%Search for SEC Filing on Google Icon
8/6/2026Capital Analysts LLC72,378$9.30M0.2%-2.2%0.003%Search for SEC Filing on Google Icon
8/6/2026Retirement Planning Group LLC6,911$0.89M0.0%-4.5%0.000%Search for SEC Filing on Google Icon
8/6/2026Donaldson Capital Management LLC798,673$102.63M2.9%+1.7%0.032%Search for SEC Filing on Google Icon
8/5/2026AlTi Global Inc.24,188$3.13M0.1%+2.9%0.001%Search for SEC Filing on Google Icon
8/5/2026HighTower Advisors LLC3,679,920$472.87M0.5%+1.2%0.149%Search for SEC Filing on Google Icon
8/5/2026Advisor OS LLC36,859$4.74M0.3%+1.7%0.001%Search for SEC Filing on Google Icon
8/5/2026BLB&B Advisors LLC36,377$4.67M0.2%-5.0%0.001%Search for SEC Filing on Google Icon
8/5/2026Convergence Financial LLC19,556$2.51M0.2%-12.5%0.001%Search for SEC Filing on Google Icon
8/5/2026TBH Global Asset Management LLC2,984$0.38M0.1%+15.8%0.000%Search for SEC Filing on Google Icon
8/5/2026Bridgewater Advisors Inc.23,905$3.05M0.2%+0.4%0.001%Search for SEC Filing on Google Icon
8/5/2026Gryphon Financial Partners LLC16,044$2.06M0.2%+20.2%0.001%Search for SEC Filing on Google Icon
8/5/2026Delta Financial Advisors LLC16,179$2.08M0.5%+1.1%0.001%Search for SEC Filing on Google Icon
8/5/2026KBC Group NV1,131,286$145.37M0.3%-7.1%0.046%Search for SEC Filing on Google Icon
8/5/2026Souders Financial Advisors12,395$1.59M0.2%+14.1%0.001%Search for SEC Filing on Google Icon
8/5/2026GWN Securities Inc.2,769$0.36M0.1%-4.7%0.000%Search for SEC Filing on Google Icon
8/5/2026Montag A & Associates Inc.136,408$17.64M0.7%-1.0%0.006%Search for SEC Filing on Google Icon
8/5/2026Parr Mcknight Wealth Management Group LLC25,951$3.34M0.4%+4.9%0.001%Search for SEC Filing on Google Icon
8/5/2026Bayforest Capital Ltd1,319$0.17M0.2%N/A0.000%Search for SEC Filing on Google Icon
8/5/2026PDS Planning Inc17,830$2.29M0.1%+1.4%0.001%Search for SEC Filing on Google Icon
8/5/2026Janney Montgomery Scott LLC1,655,632$212.75M0.4%-1.4%0.067%Search for SEC Filing on Google Icon
8/5/2026Mccarter Private Wealth Services LLC10,538$1.35M0.5%+3.5%0.000%Search for SEC Filing on Google Icon
8/5/2026Fifth Third Bancorp1,500,619$192.83M0.3%-2.8%0.061%Search for SEC Filing on Google Icon
8/5/2026Bank Hapoalim BM11,273$1.45M0.1%-2.1%0.000%Search for SEC Filing on Google Icon
8/5/2026North Dakota State Investment Board72,931$9.37M0.4%-0.1%0.003%Search for SEC Filing on Google Icon
8/5/2026USA Financial Formulas7,410$0.89M0.2%N/A0.000%Search for SEC Filing on Google Icon
8/5/2026White Lighthouse Investment Management Inc.4,328$0.56M0.1%+2.0%0.000%Search for SEC Filing on Google Icon
8/5/2026VCI Wealth Management LLC29,344$3.77M0.9%+2.8%0.001%Search for SEC Filing on Google Icon
8/5/2026Midwest Trust Co738,473$94.89M1.1%-1.2%0.030%Search for SEC Filing on Google Icon
8/5/2026LFG Wealth Partners LLC12,471$1.60M0.8%+21.3%0.001%Search for SEC Filing on Google Icon
8/5/2026111 Capital4,582$0.59M0.1%N/A0.000%Search for SEC Filing on Google Icon
8/5/2026Caitong International Asset Management Co. Ltd9,320$1.20M0.2%+5.4%0.000%Search for SEC Filing on Google Icon
8/5/2026Golden Reserve Retirement LLC5,044$0.65M0.1%+91.5%0.000%Search for SEC Filing on Google Icon
8/5/2026Invested Advisors2,080$0.27M0.2%-4.2%0.000%Search for SEC Filing on Google Icon
8/5/202671 West Capital Partners16,058$2.06M0.1%+46.2%0.001%Search for SEC Filing on Google Icon
8/5/2026Cape ANN Savings Bank12,549$1.61M0.8%-1.5%0.001%Search for SEC Filing on Google Icon
8/5/2026Founders Financial Alliance LLC15,983$2.05M0.3%+1.5%0.001%Search for SEC Filing on Google Icon
8/5/2026Checchi Capital Advisers LLC23,506$3.02M0.1%-1.2%0.001%Search for SEC Filing on Google Icon
8/5/2026Cascade Financial Partners LLC14,746$1.90M0.2%+0.5%0.001%Search for SEC Filing on Google Icon
8/5/2026Investment Partners LTD.5,098$0.66M0.2%+2.4%0.000%Search for SEC Filing on Google Icon
8/5/2026Joel Isaacson & Co. LLC43,718$5.62M0.2%+0.5%0.002%Search for SEC Filing on Google Icon
8/5/2026McAdam LLC25,372$3.26M0.1%+5.7%0.001%Search for SEC Filing on Google Icon
8/4/2026Advisors Management Group Inc. ADV2,579$0.33M0.1%-95.0%0.000%Search for SEC Filing on Google Icon
8/4/2026Jeppson Wealth Management LLC20,022$2.57M0.8%-0.8%0.001%Search for SEC Filing on Google Icon
8/4/2026Principal Financial Group Inc.4,751,479$610.57M0.3%+0.9%0.192%Search for SEC Filing on Google Icon
8/4/2026Hilton Capital Management LLC38,001$4.88M0.3%+1.6%0.002%Search for SEC Filing on Google Icon
8/4/2026Carret Asset Management LLC78,520$10.09M0.9%-0.3%0.003%Search for SEC Filing on Google Icon
8/4/2026Mindset Wealth Management LLC19,964$2.57M0.5%+4.5%0.001%Search for SEC Filing on Google Icon
8/4/2026REAP Financial Group LLC2,341$0.30M0.1%-4.4%0.000%Search for SEC Filing on Google Icon
8/4/2026Nicholas Hoffman & Company LLC.15,146$1.95M0.0%+2.7%0.001%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: $128.27
Low: $127.80
High: $131.08

50 Day Range

MA: $123.78
Low: $114.04
High: $131.85

52 Week Range

Now: $128.27
Low: $77.58
High: $135.05

Volume

7,051,451 shs

Average Volume

8,869,974 shs

Market Capitalization

$316.81 billion

P/E Ratio

102.62

Dividend Yield

2.65%

Beta

0.19

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

Merck & Co., Inc.'s top insider shareholders include:
  1. Kenneth C Frazier (Chairman)
  2. Kenneth C Frazier (CEO)
  3. Kenneth C Frazier (Insider)
  4. Robert M Davis (CEO)
  5. Kenneth C Frazier (CEO)
  6. Robert M Davis (CFO)
  7. Roger M Perlmutter (Insider)
  8. Robert M Davis (EVP)
  9. Kenneth Frazier (CEO)
  10. Adam H Schechter (EVP)
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. Principal Financial Group Inc. — 0.19%
  2. HighTower Advisors LLC — 0.15%
  3. Jennison Associates LLC — 0.11%
  4. Assenagon Asset Management S.A. — 0.11%
  5. TD Asset Management Inc — 0.09%
  6. Mirae Asset Global Investments Co. Ltd. — 0.08%
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. Jennison Associates LLC
  2. QV Investors Inc.
  3. KBC Group NV
  4. Sarasin & Partners LLP
  5. Advisors Management Group Inc. ADV
  6. Rockland Trust Co.
  7. Fifth Third Bancorp
  8. KMG Fiduciary Partners LLC
Within the previous year, company insiders that have sold Merck & Co., Inc. company stock include:
  1. Robert M Davis (CEO)
  2. Richard R Deluca (EVP)
  3. Dean Y Li (VP)
  4. Caroline Litchfield (CFO)
  5. Chirfi Guindo (CMO)
  6. Jennifer Zachary (EVP)
  7. David Michael Williams (EVP)
  8. Johannes Jacobus Oosthuizen (Insider)
  9. 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. Assenagon Asset Management S.A.
  2. Munich Reinsurance Co Stock Corp in Munich
  3. Mirae Asset Global Investments Co. Ltd.
  4. Handelsbanken Fonder AB
  5. Canandaigua National Bank & Trust Co.
  6. ABN Amro Investment Solutions
  7. Moody Lynn Lieberson & Walker LLC
  8. Benjamin Edwards Inc.

Merck & Co., Inc. Active Insiders

David Michael Williams
David Michael Williams
Executive vice president, chief information & digital officer
Caroline Litchfield
Caroline Litchfield
CFO
Robert M Davis
Robert M Davis (Age 58)
CFO
Wendell P Weeks
Wendell P Weeks
Director
Inge G Thulin
Inge G Thulin
Director
Julie L Gerberding
Julie L Gerberding (Age 71)
EVP
Frank Clyburn
Frank Clyburn
EVP
Richard R Deluca
Richard R Deluca
EVP
Clark Golestani
Clark Golestani
EVP
Michael J. Holston
Michael J. Holston
EVP
Steven Mizell
Steven Mizell (Age 66)
EVP
Jennifer Zachary
Jennifer Zachary (Age 47)
EVP
1 recent trades
Ashley Watson
Ashley Watson
SVP
Dalton E Smart III
Dalton E Smart III (Age 59)
SVP
Rita A Karachun
Rita A Karachun
VP
Dean Y Li
Dean Y Li (Age 62)
VP
Kenneth C Frazier
Kenneth C Frazier (Age 71)
Insider
Sanat Chattopadhyay
Sanat Chattopadhyay (Age 66)
Insider
Johannes Jacobus Oosthuizen
Johannes Jacobus Oosthuizen
Insider
Joseph Romanelli
Joseph Romanelli
Insider
Cristal N Downing
Cristal N Downing
Insider
Chirfi Guindo
Chirfi Guindo
CMO
1 recent trades