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MRK Insider Trading

Insider Ownership Percentage: 0.13%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $39,354,502.05

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: $121.39
Price Change: ▲ Price Increase of +2.149 (1.80%)
As of 02/13/2026 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
2/9/2026Chirfi 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  
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  
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
2/13/2026Arete Wealth Advisors LLC39,275$4.13M0.2%+13.0%0.002%Search for SEC Filing on Google Icon
2/13/2026Jacobi Capital Management LLC72,028$7.58M0.4%+0.6%0.003%Search for SEC Filing on Google Icon
2/13/2026CreativeOne Wealth LLC46,056$4.85M0.1%-3.3%0.002%Search for SEC Filing on Google Icon
2/13/2026Kestra Advisory Services LLC292,038$30.74M0.1%+5.1%0.012%Search for SEC Filing on Google Icon
2/13/2026Transamerica Financial Advisors LLC14,569$1.54M0.1%+3.3%0.001%Search for SEC Filing on Google Icon
2/13/2026Searle & CO.53,163$5.60M1.4%+1.8%0.002%Search for SEC Filing on Google Icon
2/13/2026Parkside Financial Bank & Trust24,966$2.63M0.2%+3.7%0.001%Search for SEC Filing on Google Icon
2/13/2026Fortis Capital Management LLC1,997$0.21M0.0%N/A0.000%Search for SEC Filing on Google Icon
2/13/2026Promethos Capital LLC2,103$0.22M0.1%N/A0.000%Search for SEC Filing on Google Icon
2/13/2026Marshall Wace LLP3,969,469$417.83M0.4%+985.4%0.160%Search for SEC Filing on Google Icon
2/13/2026The Manufacturers Life Insurance Company 1,850,660$195.04M0.2%+7.4%0.075%Search for SEC Filing on Google Icon
2/13/2026Zuckerman Investment Group LLC12,908$1.36M0.1%-45.7%0.001%Search for SEC Filing on Google Icon
2/13/2026Johnson Investment Counsel Inc.103,841$10.93M0.1%-6.0%0.004%Search for SEC Filing on Google Icon
2/13/2026Financial Sense Advisors Inc.61,776$6.50M1.2%+28.8%0.002%Search for SEC Filing on Google Icon
2/13/2026Wimmer Associates 1 LLC12,025$1.27M0.6%-0.9%0.000%Search for SEC Filing on Google Icon
2/13/2026CANADA LIFE ASSURANCE Co2,970,373$312.81M0.5%-19.6%0.120%Search for SEC Filing on Google Icon
2/13/2026AlTi Global Inc.21,691$2.30M0.0%-4.8%0.001%Search for SEC Filing on Google Icon
2/13/2026ST. Nicholas Private Asset Management Inc.3,794$0.40M0.4%-28.2%0.000%Search for SEC Filing on Google Icon
2/13/2026Borer Denton & Associates Inc.14,349$1.51M0.5%-1.9%0.001%Search for SEC Filing on Google Icon
2/13/2026Bridgewater Associates LP310,221$32.65M0.1%-39.6%0.012%Search for SEC Filing on Google Icon
2/13/2026River Wealth Advisors LLC93,839$9.88M1.1%+14.5%0.004%Search for SEC Filing on Google Icon
2/13/2026Boyar Asset Management Inc.6,089$0.64M0.4%+24.3%0.000%Search for SEC Filing on Google Icon
2/13/2026Visionary Wealth Advisors32,679$3.44M0.2%+86.9%0.001%Search for SEC Filing on Google Icon
2/13/2026Williams Jones Wealth Management LLC.55,311$5.82M0.1%+4.0%0.002%Search for SEC Filing on Google Icon
2/13/2026UMB Bank n.a.114,153$12.02M0.2%-5.2%0.005%Search for SEC Filing on Google Icon
2/13/2026Fayez Sarofim & Co1,739,889$183.14M0.4%-27.7%0.070%Search for SEC Filing on Google Icon
2/13/2026GM Advisory Group LLC18,154$1.91M0.1%+16.4%0.001%Search for SEC Filing on Google Icon
2/13/2026PCM Encore LLC17,096$1.80M0.4%N/A0.001%Search for SEC Filing on Google Icon
2/13/2026Fairfield Bush & CO.22,494$2.37M1.2%-2.4%0.001%Search for SEC Filing on Google Icon
2/13/2026Stifel Financial Corp8,547,069$899.67M0.8%-2.0%0.344%Search for SEC Filing on Google Icon
2/13/2026Southeast Asset Advisors LLC10,740$1.13M0.1%-16.1%0.000%Search for SEC Filing on Google Icon
2/13/2026Stembrook Asset Management LLC2,040$0.22M0.2%N/A0.000%Search for SEC Filing on Google Icon
2/13/2026Commerce Bank932,790$98.19M0.5%+29.9%0.038%Search for SEC Filing on Google Icon
2/13/2026Quattro Advisors LLC509$54K0.0%N/A0.000%Search for SEC Filing on Google Icon
2/13/2026Aviso Wealth Management10,593$1.12M0.5%-17.9%0.000%Search for SEC Filing on Google Icon
2/13/2026Brick & Kyle Associates71,259$7.50M2.7%-0.3%0.003%Search for SEC Filing on Google Icon
2/13/2026Smartleaf Asset Management LLC36,892$3.91M0.1%+12.6%0.001%Search for SEC Filing on Google Icon
2/13/2026Wiregrass Investment Management LLC3,208$0.34M0.3%N/A0.000%Search for SEC Filing on Google Icon
2/13/2026Advyzon Investment Management LLC19,089$2.01M0.2%+56.4%0.001%Search for SEC Filing on Google Icon
2/13/2026Acumen Wealth Advisors LLC36,550$3.88M1.1%N/A0.001%Search for SEC Filing on Google Icon
2/13/2026Bank of Nova Scotia1,956,200$205.91M0.3%+42.0%0.079%Search for SEC Filing on Google Icon
2/13/2026Magnolia Capital Advisors LLC4,541$0.48M0.1%-9.3%0.000%Search for SEC Filing on Google Icon
2/13/2026Wilkerson Advisory Group LLC841$88K0.0%N/A0.000%Search for SEC Filing on Google Icon
2/13/2026Martin & Co. Inc. TN15,854$1.67M0.3%+2.5%0.001%Search for SEC Filing on Google Icon
2/13/2026Abbot Financial Management Inc.37,767$3.98M1.6%+2.1%0.002%Search for SEC Filing on Google Icon
2/13/2026B & T Capital Management DBA Alpha Capital Management50,271$5.29M0.7%+1.8%0.002%Search for SEC Filing on Google Icon
2/13/2026Rodgers Brothers Inc.130,316$13.72M1.6%-2.2%0.005%Search for SEC Filing on Google Icon
2/13/2026Dodge & Cox138,205$14.55M0.0%-10.4%0.006%Search for SEC Filing on Google Icon
2/13/2026GQG Partners LLC53,509$5.63M0.0%+0.8%0.002%Search for SEC Filing on Google Icon
2/13/2026Creekside Partners2,026$0.21M0.1%N/A0.000%Search for SEC Filing on Google Icon
2/13/2026Morgan Stanley44,946,021$4.73B0.3%+0.8%1.811%Search for SEC Filing on Google Icon
2/13/2026Schroder Investment Management Group1,686,481$177.52M0.1%+7.1%0.068%Search for SEC Filing on Google Icon
2/13/2026Heritage Wealth Advisors610,573$64.26M2.5%-0.6%0.025%Search for SEC Filing on Google Icon
2/13/2026Mosaic Family Wealth Partners LLC3,817$0.40M0.0%+6.7%0.000%Search for SEC Filing on Google Icon
2/13/2026Public Sector Pension Investment Board322,582$33.96M0.1%-6.9%0.013%Search for SEC Filing on Google Icon
2/13/2026AXA S.A.10,567$1.11M0.5%-14.7%0.000%Search for SEC Filing on Google Icon
2/13/2026Gen Wealth Partners Inc22,083$2.32M0.3%-1.0%0.001%Search for SEC Filing on Google Icon
2/13/2026Focused Alpha LLC4,571$0.48M0.1%N/A0.000%Search for SEC Filing on Google Icon
2/13/2026Morton Community Bank37,809$4.17M0.9%+5.5%0.002%Search for SEC Filing on Google Icon
2/13/2026Bragg Financial Advisors Inc146,456$15.42M0.5%-0.8%0.006%Search for SEC Filing on Google Icon
2/13/2026Rafferty Asset Management LLC269,620$28.38M0.1%-3.7%0.011%Search for SEC Filing on Google Icon
2/13/2026Abound Financial LLC2,797$0.29M0.1%N/A0.000%Search for SEC Filing on Google Icon
2/13/2026Tradewinds LLC.7,263$0.76M0.2%-2.4%0.000%Search for SEC Filing on Google Icon
2/13/2026Edgar Lomax Co. VA358,495$37.74M2.9%-36.0%0.014%Search for SEC Filing on Google Icon
2/13/2026First Trust Advisors LP4,628,360$487.18M0.4%-7.6%0.186%Search for SEC Filing on Google Icon
2/13/2026Integrated Wealth Concepts LLC60,444$6.36M0.1%-38.5%0.002%Search for SEC Filing on Google Icon
2/13/2026Weaver C. Barksdale & Associates Inc.11,355$1.20M1.3%-14.9%0.000%Search for SEC Filing on Google Icon
2/13/2026Granville Capital Inc.2,633$0.28M0.1%N/A0.000%Search for SEC Filing on Google Icon
2/13/2026OpenArc Corporate Advisory LLC44,688$4.70M0.1%N/A0.002%Search for SEC Filing on Google Icon
2/13/2026Itau Unibanco Holding S.A.58,694$6.23M0.1%+13,645.7%0.002%Search for SEC Filing on Google Icon
2/13/2026Alyeska Investment Group L.P.1,576,712$165.97M0.5%N/A0.064%Search for SEC Filing on Google Icon
2/13/2026Safeguard Investment Advisory Group LLC2,388$0.25M0.1%N/A0.000%Search for SEC Filing on Google Icon
2/13/2026Haverford Trust Co279,635$29.43M0.3%-3.5%0.011%Search for SEC Filing on Google Icon
2/13/2026Ausdal Financial Partners Inc.16,753$1.76M0.1%-11.0%0.001%Search for SEC Filing on Google Icon
2/13/2026Ingalls & Snyder LLC222,429$23.41M0.9%-1.3%0.009%Search for SEC Filing on Google Icon
2/13/2026Alliance Private Wealth LLC6,400$0.74M0.3%N/A0.000%Search for SEC Filing on Google Icon
2/13/2026Alvarez & Marsal Private Wealth Partners LLC441$47K0.0%N/A0.000%Search for SEC Filing on Google Icon
2/13/2026Charles Schwab Investment Management Inc.48,563,804$5.11B0.8%-9.6%1.957%Search for SEC Filing on Google Icon
2/13/2026Police & Firemen s Retirement System of New Jersey386,353$40.67M0.3%-4.9%0.016%Search for SEC Filing on Google Icon
2/13/2026QTR Family Wealth LLC11,780$1.24M0.5%+14.6%0.000%Search for SEC Filing on Google Icon
2/13/2026Sunbeam Capital Management LLC7,099$0.75M0.4%+1.3%0.000%Search for SEC Filing on Google Icon
2/13/2026State Street Corp120,040,168$12.74B0.4%+1.6%4.836%Search for SEC Filing on Google Icon
2/13/2026Van ECK Associates Corp3,864,329$406.76M0.3%-27.4%0.156%Search for SEC Filing on Google Icon
2/13/2026Royal London Asset Management Ltd.3,197,151$336.53M0.7%-0.1%0.129%Search for SEC Filing on Google Icon
2/13/2026Victory Capital Management Inc.4,808,527$506.15M0.3%+1.6%0.194%Search for SEC Filing on Google Icon
2/13/2026Boston Family Office LLC46,424$4.89M0.3%+1.4%0.002%Search for SEC Filing on Google Icon
2/13/2026Saxon Interests Inc.9,813$1.03M0.4%-17.1%0.000%Search for SEC Filing on Google Icon
2/13/2026Ieq Capital LLC941,491$99.10M0.3%+19.8%0.038%Search for SEC Filing on Google Icon
2/13/2026First National Bank of Omaha118,700$12.56M0.4%+261.7%0.005%Search for SEC Filing on Google Icon
2/13/2026Boston Partners668,722$70.41M0.1%-4.9%0.027%Search for SEC Filing on Google Icon
2/13/2026Clarkston Capital Partners LLC21,725$2.29M0.1%+7.3%0.001%Search for SEC Filing on Google Icon
2/13/2026Meridian Wealth Partners LLC2,188$0.23M0.0%-15.7%0.000%Search for SEC Filing on Google Icon
2/13/2026Alchemi Wealth LLC2,155$0.23M0.1%N/A0.000%Search for SEC Filing on Google Icon
2/13/2026Uniting Wealth Partners LLC4,257$0.45M0.1%+7.5%0.000%Search for SEC Filing on Google Icon
2/13/2026Peak Planning Group LLC1,958$0.21M0.1%N/A0.000%Search for SEC Filing on Google Icon
2/13/2026Cardano Risk Management B.V.9,619,320$1.01B1.0%N/A0.388%Search for SEC Filing on Google Icon
2/13/2026Storgate LLC9,673$1.02M0.8%N/A0.000%Search for SEC Filing on Google Icon
2/13/2026Martingale Asset Management L P323,799$34.08M0.9%-10.0%0.013%Search for SEC Filing on Google Icon
2/13/2026UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC19,433,403$2.05B0.4%-1.6%0.783%Search for SEC Filing on Google Icon
2/13/2026Cullen Capital Management LLC2,291,041$241.16M2.6%-2.2%0.092%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: $121.39
Low: $121.03
High: $123.33

50 Day Range

MA: $108.35
Low: $96.91
High: $121.92

52 Week Range

Now: $121.39
Low: $73.31
High: $123.33

Volume

10,100,229 shs

Average Volume

13,795,704 shs

Market Capitalization

$301.29 billion

P/E Ratio

16.67

Dividend Yield

2.85%

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. 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)
  10. Cristal N Downing (Insider)
  11. 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. State Street Corp — 4.84%
  3. Geode Capital Management LLC — 2.42%
  4. Charles Schwab Investment Management Inc. — 1.96%
  5. Morgan Stanley — 1.81%
  6. Norges Bank — 1.53%
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. Charles Schwab Investment Management Inc.
  2. Assenagon Asset Management S.A.
  3. Clearbridge Investments LLC
  4. Deutsche Bank AG
  5. Massachusetts Financial Services Co. MA
  6. Bank of New York Mellon Corp
  7. Capital International Investors
  8. ABN AMRO Bank N.V.
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. Norges Bank
  2. Cardano Risk Management B.V.
  3. Jennison Associates LLC
  4. Marshall Wace LLP
  5. Eurizon Capital SGR S.p.A.
  6. Vanguard Group Inc.
  7. Federated Hermes Inc.
  8. State Street Corp