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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: $115.47
Price Change: ▲ Price Increase of +1.6 (1.41%)
As of 06/22/2026 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  
8/3/2023Steven MizellEVPSell4,500$105.49$474,705.0027,185View SEC Filing Icon  
4/26/2023Joseph RomanelliInsiderBuy3$113.68$341.0420,599View 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  
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
6/22/2026Sapient Capital LLC16,402$1.99M0.0%+63.4%0.001%Search for SEC Filing on Google Icon
6/22/2026Vilga Financial Planning LLC1,932$0.23M0.2%N/A0.000%Search for SEC Filing on Google Icon
6/18/2026Pacer Advisors Inc.732,981$88.17M0.1%-83.2%0.030%Search for SEC Filing on Google Icon
6/11/2026LFG Wealth Partners LLC10,282$1.24M0.7%+4.8%0.000%Search for SEC Filing on Google Icon
6/10/2026Dakota Community Bank & Trust NA3,832$0.46M1.6%+5.4%0.000%Search for SEC Filing on Google Icon
6/10/2026FAS Wealth Partners Inc.40,727$4.90M0.3%+3.2%0.002%Search for SEC Filing on Google Icon
6/9/2026Rathbones Group PLC222,240$26.73M0.1%-14.7%0.009%Search for SEC Filing on Google Icon
6/9/2026Robinswood Financial LLC1,052$0.13M0.2%N/A0.000%Search for SEC Filing on Google Icon
6/8/2026First National Bank of Mount Dora Trust Investment Services6,640$0.80M0.2%-26.8%0.000%Search for SEC Filing on Google Icon
6/8/2026Pine Valley Investments Ltd Liability Co54,101$6.52M0.3%+1.3%0.002%Search for SEC Filing on Google Icon
6/8/2026Farmers National Bank9,740$1.17M0.3%+3.7%0.000%Search for SEC Filing on Google Icon
6/4/2026Chelsea Counsel Co.2,840$0.34M0.1%-12.9%0.000%Search for SEC Filing on Google Icon
6/3/2026Wealthquest Corp18,066$2.17M0.2%+2.9%0.001%Search for SEC Filing on Google Icon
6/3/2026CoreFirst Bank & Trust8,902$1.07M0.6%-7.3%0.000%Search for SEC Filing on Google Icon
6/3/2026Parallel Advisors LLC56,169$6.76M0.1%+7.6%0.002%Search for SEC Filing on Google Icon
6/3/2026NewEdge Advisors LLC413,565$49.75M0.2%+4.3%0.017%Search for SEC Filing on Google Icon
6/2/2026Optiver Holding B.V.4,313$0.52M0.0%N/A0.000%Search for SEC Filing on Google Icon
6/1/2026First Nebraska Trust Co104,203$12.54M1.2%N/A0.004%Search for SEC Filing on Google Icon
6/1/2026Flagship Wealth Advisors LLC699$84K0.0%-48.7%0.000%Search for SEC Filing on Google Icon
6/1/2026Financial Solutions Advisory Group Inc.5,069$0.61M0.1%N/A0.000%Search for SEC Filing on Google Icon
6/1/2026Integrated Investment Consultants LLC27,551$3.31M0.7%-4.4%0.001%Search for SEC Filing on Google Icon
6/1/2026Keel Point LLC39,387$4.74M0.3%-23.6%0.002%Search for SEC Filing on Google Icon
5/29/2026Ramiah Investment Group3,824$0.46M0.4%-25.2%0.000%Search for SEC Filing on Google Icon
5/29/2026Asset Dedication LLC16,841$2.03M0.1%-10.5%0.001%Search for SEC Filing on Google Icon
5/28/2026Blue Fin Capital Inc.26,625$3.20M0.5%-7.3%0.001%Search for SEC Filing on Google Icon
5/27/2026Allen Capital Group LLC10,615$1.28M0.1%+6.2%0.000%Search for SEC Filing on Google Icon
5/27/2026Security Financial Services INC.3,120$0.38M0.1%-8.9%0.000%Search for SEC Filing on Google Icon
5/26/2026Glenmede Trust Co. NA521,378$62.72M0.3%-0.6%0.021%Search for SEC Filing on Google Icon
5/26/2026Axiom Investment Management LLC7,217$0.87M0.7%N/A0.000%Search for SEC Filing on Google Icon
5/22/2026Summitry LLC5,890$0.71M0.0%+16.4%0.000%Search for SEC Filing on Google Icon
5/22/2026Groupama Asset Managment874,963$105.25M1.5%-2.9%0.035%Search for SEC Filing on Google Icon
5/22/2026WNY Asset Management LLC10,759$1.29M0.1%N/A0.000%Search for SEC Filing on Google Icon
5/22/2026Wellington Grp LLC26,282$3.16M1.0%-0.8%0.001%Search for SEC Filing on Google Icon
5/22/2026Verus Capital Partners LLC8,378$1.01M0.1%-12.2%0.000%Search for SEC Filing on Google Icon
5/21/2026Raab & Moskowitz Asset Management LLC52,718$6.34M1.4%+0.8%0.002%Search for SEC Filing on Google Icon
5/21/2026Compass Capital Management Inc.589,768$70.94M4.2%-13.5%0.024%Search for SEC Filing on Google Icon
5/21/2026GKV Capital Management Co. Inc.500$60K0.0%N/A0.000%Search for SEC Filing on Google Icon
5/21/2026Argent Capital Management LLC185,453$22.31M0.7%+5,236.8%0.008%Search for SEC Filing on Google Icon
5/21/2026Essential Partners LLC25,912$3.12M1.0%-11.4%0.001%Search for SEC Filing on Google Icon
5/21/2026Vestor Capital LLC221,158$26.60M1.9%+31,998.4%0.009%Search for SEC Filing on Google Icon
5/21/2026BankChampaign National Association2,791$0.34M0.3%N/A0.000%Search for SEC Filing on Google Icon
5/21/2026Groupe la Francaise73,551$8.84M0.1%+56.8%0.003%Search for SEC Filing on Google Icon
5/20/2026CCM Investment Advisers LLC149,542$17.99M1.7%-2.1%0.006%Search for SEC Filing on Google Icon
5/20/2026Arete Wealth Advisors LLC51,371$6.18M0.4%+30.8%0.002%Search for SEC Filing on Google Icon
5/20/2026SOA Wealth Advisors LLC.7,046$0.85M0.1%+8.0%0.000%Search for SEC Filing on Google Icon
5/19/2026Western Wealth Management LLC31,978$3.85M0.1%+43.8%0.001%Search for SEC Filing on Google Icon
5/19/2026McIlrath & Eck LLC2,198$0.26M0.0%-64.5%0.000%Search for SEC Filing on Google Icon
5/19/2026Winnow Wealth LLC9,375$1.13M0.9%-6.5%0.000%Search for SEC Filing on Google Icon
5/19/2026Eley Financial Management Inc15,938$1.92M0.7%+1.2%0.001%Search for SEC Filing on Google Icon
5/19/2026Orographic Financial Advisors LLC3,657$0.44M0.3%N/A0.000%Search for SEC Filing on Google Icon
5/19/2026Cornerstone Wealth LLC TN3,012$0.33M0.2%N/A0.000%Search for SEC Filing on Google Icon
5/19/2026Paragon Private Wealth Management LLC3,543$0.43M0.1%+9.3%0.000%Search for SEC Filing on Google Icon
5/19/2026Royal Fund Management LLC68,809$8.28M0.8%-0.6%0.003%Search for SEC Filing on Google Icon
5/19/2026NewEdge Advisors LLC341,876$41.12M0.8%-13.8%0.014%Search for SEC Filing on Google Icon
5/19/2026Bank of America Corp DE30,774,221$3.70B0.3%+10.5%1.246%Search for SEC Filing on Google Icon
5/19/2026Hamilton Wealth LLC195,102$23.47M1.7%+67.4%0.008%Search for SEC Filing on Google Icon
5/19/2026Edgestream Partners L.P.3,181$0.38M0.0%-86.2%0.000%Search for SEC Filing on Google Icon
5/19/2026Kensington Investment Counsel LLC39,225$4.72M2.3%+2.3%0.002%Search for SEC Filing on Google Icon
5/19/2026Kentucky Retirement Systems241,239$29.02M1.0%+52.5%0.010%Search for SEC Filing on Google Icon
5/19/2026Janus Henderson Group PLC2,880,199$346.47M0.2%+52.8%0.117%Search for SEC Filing on Google Icon
5/19/2026Centaurus Financial Inc.11,874$1.43M0.1%-62.5%0.000%Search for SEC Filing on Google Icon
5/19/2026Oddo BHF Asset Management Sas52,036$6.26M0.2%-49.4%0.002%Search for SEC Filing on Google Icon
5/19/2026Bull Harbor Capital LLC23,691$2.85M0.8%N/A0.001%Search for SEC Filing on Google Icon
5/19/2026Strategic Investment Advisors MI7,088$0.85M0.1%N/A0.000%Search for SEC Filing on Google Icon
5/19/2026Ashton Thomas Securities LLC8,271$1M0.1%+17.7%0.000%Search for SEC Filing on Google Icon
5/19/2026South Dakota Investment Council179,966$21.65M0.4%-11.1%0.007%Search for SEC Filing on Google Icon
5/19/2026Strategic Planning Inc.1,737$0.21M0.1%N/A0.000%Search for SEC Filing on Google Icon
5/19/2026Arete Wealth Advisors LLC51,371$6.18M0.4%+30.8%0.002%Search for SEC Filing on Google Icon
5/19/2026Opal Capital LLC11,928$1.44M0.3%+321.5%0.000%Search for SEC Filing on Google Icon
5/18/2026ADAR1 Capital Management LLC3,140$0.38M0.0%-67.4%0.000%Search for SEC Filing on Google Icon
5/18/2026Sunbelt Securities Inc.76,019$9.14M0.6%-0.9%0.003%Search for SEC Filing on Google Icon
5/18/2026Guardian Partners Inc.12,884$1.55M0.1%+2.5%0.001%Search for SEC Filing on Google Icon
5/18/2026Amundi13,764,954$1.66B0.5%+2.8%0.557%Search for SEC Filing on Google Icon
5/18/2026Gould Capital LLC29,036$3.49M2.1%-8.3%0.001%Search for SEC Filing on Google Icon
5/18/2026Adalta Capital Management LLC88,591$10.73M5.1%-1.1%0.004%Search for SEC Filing on Google Icon
5/18/2026EverSource Wealth Advisors LLC31,032$3.73M0.1%+33.7%0.001%Search for SEC Filing on Google Icon
5/18/2026Empire Financial Management Company LLC39,960$4.81M1.1%-16.0%0.002%Search for SEC Filing on Google Icon
5/18/2026California State Teachers Retirement System3,835,612$461.39M0.5%-2.8%0.155%Search for SEC Filing on Google Icon
5/18/2026Core Wealth Advisors Inc.5,206$0.63M0.1%+45.9%0.000%Search for SEC Filing on Google Icon
5/18/2026Resources Management Corp CT ADV58,980$7.10M0.9%-1.1%0.002%Search for SEC Filing on Google Icon
5/18/2026Redwood Grove Capital LLC30,068$3.62M1.2%-78.5%0.001%Search for SEC Filing on Google Icon
5/18/2026Eley Financial Management Inc14,876$1.79M0.6%-5.5%0.001%Search for SEC Filing on Google Icon
5/18/2026Empowered Funds LLC507,815$61.09M0.4%-26.0%0.021%Search for SEC Filing on Google Icon
5/18/2026Envision Financial Planning LLC1,723$0.21M0.1%N/A0.000%Search for SEC Filing on Google Icon
5/18/2026Evelyn Partners Investment Management LLP13,690$1.65M0.0%-2.1%0.001%Search for SEC Filing on Google Icon
5/18/2026Evercore Wealth Management LLC91,797$11.04M0.2%-1.4%0.004%Search for SEC Filing on Google Icon
5/16/2026Ashford Capital Management Inc.13,034$1.57M0.2%-51.7%0.001%Search for SEC Filing on Google Icon
5/16/2026The Manufacturers Life Insurance Company 1,845,587$222.01M0.2%-0.3%0.075%Search for SEC Filing on Google Icon
5/16/2026Infrastructure Capital Advisors LLC21,977$2.64M0.2%+46.4%0.001%Search for SEC Filing on Google Icon
5/16/2026Glen Eagle Advisors LLC8,168$0.98M0.1%+3.8%0.000%Search for SEC Filing on Google Icon
5/16/2026Excelsior Advisor Network LLC3,789$0.46M0.2%+10.5%0.000%Search for SEC Filing on Google Icon
5/16/2026Quantinno Capital Management LP1,333,289$160.38M0.3%+32.5%0.054%Search for SEC Filing on Google Icon
5/16/2026Lazard Asset Management LLC3,254,331$391.46M0.6%-26.2%0.132%Search for SEC Filing on Google Icon
5/16/2026Jessup Wealth Management Inc62,944$7.57M2.8%+1.7%0.003%Search for SEC Filing on Google Icon
5/16/2026Family Manage LLC35,495$4.27M0.5%+778.2%0.001%Search for SEC Filing on Google Icon
5/16/2026Orbimed Advisors LLC663,400$79.80M1.5%N/A0.027%Search for SEC Filing on Google Icon
5/15/2026Intelligence Driven Advisers LLC11,955$1.44M0.3%+4.2%0.000%Search for SEC Filing on Google Icon
5/15/2026Gateway Wealth Partners LLC16,631$2M0.1%+271.9%0.001%Search for SEC Filing on Google Icon
5/15/2026Wealth Watch Advisors INC1,728$0.21M0.1%+340.8%0.000%Search for SEC Filing on Google Icon
5/15/2026Blue Chip Partners LLC249,913$30.06M2.2%+2.1%0.010%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: $115.47
Low: $113.00
High: $115.63

50 Day Range

MA: $115.79
Low: $109.33
High: $122.55

52 Week Range

Now: $115.47
Low: $76.66
High: $125.14

Volume

10,520,038 shs

Average Volume

11,165,646 shs

Market Capitalization

$285.19 billion

P/E Ratio

32.53

Dividend Yield

2.99%

Beta

0.21

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. Bank of America Corp DE — 1.25%
  2. Bank of New York Mellon Corp — 0.76%
  3. Dimensional Fund Advisors LP — 0.63%
  4. Amundi — 0.56%
  5. PNC Financial Services Group Inc. — 0.30%
  6. California Public Employees Retirement System — 0.30%
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. Cardano Risk Management B.V.
  2. Arrowstreet Capital Limited Partnership
  3. Pacer Advisors Inc.
  4. California Public Employees Retirement System
  5. Lazard Asset Management LLC
  6. Bessemer Group Inc.
  7. Sumitomo Mitsui Trust Group Inc.
  8. Swedbank AB
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. Dimensional Fund Advisors LP
  2. Bank of America Corp DE
  3. Diamant Asset Management Inc.
  4. SEB Asset Management AB
  5. OMERS ADMINISTRATION Corp
  6. DJE Kapital AG
  7. Janus Henderson Group PLC
  8. Fifth Third Bancorp

Merck & Co., Inc. Active Insiders

David Michael Williams
David Michael Williams
Executive vice president, chief information & digital officer
1 recent trades
Caroline Litchfield
Caroline Litchfield
CFO
1 recent trades
Robert M Davis
Robert M Davis (Age 58)
CFO
1 recent trades
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
1 recent trades
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
1 recent trades
Rita A Karachun
Rita A Karachun
VP
Dean Y Li
Dean Y Li (Age 62)
VP
1 recent trades
Kenneth C Frazier
Kenneth C Frazier (Age 71)
Insider
Sanat Chattopadhyay
Sanat Chattopadhyay (Age 66)
Insider
Johannes Jacobus Oosthuizen
Johannes Jacobus Oosthuizen
Insider
1 recent trades
Joseph Romanelli
Joseph Romanelli
Insider
Cristal N Downing
Cristal N Downing
Insider
Chirfi Guindo
Chirfi Guindo
CMO
2 recent trades