Merck & Co., Inc. (MRK)
NYSE: MRK · Real-Time Price · USD
115.78
+0.61 (0.53%)
Jun 2, 2026, 12:55 PM EDT - Market open

Company Description

Merck & Co., Inc. operates as a healthcare company worldwide.

It offers human health pharmaceutical for various areas under the Keytruda, Keytruda Qlex, Welireg, Gardasil, ProQuad, M-M-R II, Varivax, Vaxneuvance, Capvaxive, RotaTeq, Pneumovax 23, Bridion, Prevymis, Dificid, Zerbaxa, Winrevair, Adempas/ Verquvo, Ohtuvayre, Lagevrio, Isentress/Isentress HD, Delstrigo, Pifeltro, Belsomra, Januvia, and Janumet brands.

The company also provides veterinary pharmaceuticals, vaccines and health management solutions and services, such as livestock products under the Nuflor, Bovilis/Vista, Bovilis Cryptium, Banamine, Estrumate, Matrix, Resflor, Zuprevo, Revalor, Safe-Guard, M+Pac, Porcilis, Circumvent, Nobilis/Innovax, Paracox and Coccivac, Exzolt, Slice, Imvixa, Clynav, Aquavac/Norvax, Aquaflor, Flexolt brands; Allflex Livestock Intelligence solutions; and companion animal products under the Bravecto One-Month, Bravecto Injectable/Quantum, Bravecto TriUNO, Bravecto Plus, Sentinel Spectrum, Sentinel Flavor Tabs, Numelvi, Optimmune, Nobivac NXT, GilvetMab, Otomax, Mometamax, Mometamax Ultra, Posatex, Caninsulin/Vetsulin, Panacur, Safeguard, Regumate, Prestige, Scalibor/Exspot, Sure Petcare, and Home Again brands.

It has development and commercialization agreement for three of Daiichi Sankyo’s deruxtecan ADC candidates; AstraZeneca PLC to co-development and co-commercialize AstraZeneca’s Lynparza products for multiple cancer types; licensed to develop, manufacture and commercialize LM-299, a novel investigational PD-1/VEGF bispecific antibody from LaNova; and collaboration agreement with Eisai Co., Ltd., Bayer AG, and Ridgeback Biotherapeutics LP, as well Moderna, Inc. Merck & Co., Inc. has strategic collaboration with Infinimmune, Inc. to discover and develop antibodies against multiple therapeutic targets.

The company was founded in 1891 and is headquartered in Rahway, New Jersey.

Merck & Co., Inc.
Merck & Co. logo
CountryUnited States
Founded2000
IndustryDrug Manufacturers - General
SectorHealthcare
Employees75,000
CEORobert Davis

Contact Details

Address:
126 East Lincoln Avenue
Rahway, New Jersey 07065
United States
Phone908 740 4000
Websitemerck.com

Stock Details

Ticker SymbolMRK
ExchangeNYSE
Stock TypeCommon Stock
Fiscal YearJanuary - December
Reporting CurrencyUSD
CIK Code0000310158
CUSIP Number58933Y105
ISIN NumberUS58933Y1055
Employer ID22-1918501
SIC Code2834

Key Executives

NamePosition
Robert M. Davis J.D.Chairman, President and Chief Executive Officer
Caroline A. LitchfieldExecutive Vice President and Chief Financial Officer
Jennifer L. Zachary J.D.Executive Vice President and General Counsel
Dr. Dean Y. Li M.D., Ph.D.Executive Vice President and President of Merck Research Laboratories
Dalton E. Smart IIISenior Vice President of Finance, Principal Accounting Officer and Global Controller
David Michael WilliamsExecutive Vice President and Chief Information and Digital Officer
Peter DannenbaumVice President of Investor Relations
Chirfi GuindoExecutive Vice President of Strategic Access, Policy and Communications
Betty D. LarsonExecutive Vice President and Chief Human Resources Officer
Richard R. DeLuca Jr.Executive Vice President and President of Merck Animal Health

Latest SEC Filings

DateTypeTitle
May 29, 2026SDForm - SD
May 28, 20268-KCurrent Report
May 22, 20268-KCurrent Report
May 20, 2026424B5Filing
May 19, 2026FWPFree Writing Prospectus
May 18, 2026424B5Filing
May 13, 202613F-HRQuarterly report filed by institutional managers, holdings
May 4, 202610-QQuarterly Report
Apr 30, 2026SCHEDULE 13GFiling
Apr 30, 20268-KCurrent Report