Merck & Co., Inc.(MRK)
NASDAQ

Company Profile & Information

$127.50
-0.13 (-0.10%)

Company Profile

Business overview, scale, and footprint

Company NameMerck & Co., Inc.
Ticker SymbolMRK
ExchangeNYQ
SectorHealthcare
IndustryDrug Manufacturers - General
Employees73,000
CEOMr. Robert M. Davis J.D.
Founded1891
HeadquartersRahway, NJ, United States
CountryUnited States
Websitemerck.com
Next Earnings DateAug 4, 2026

Business Overview

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.

Insider Transactions

Open-market activity and option exercises

Insider Activity Summary

Insider trading activity for Merck & Co., Inc. (MRK) over the last 3 months consists of 65 total transactions. Among these, company executives and board members conducted 65 buys (totaling 1,015,761 shares) and 0 sells (totaling 0 shares). This activity resulted in a net change of 1,015,761 shares, reflecting net buying interest with an estimated net acquisitions value of $20.95M.

65 insider transactions found. Showing 10 of 65 transactions.

Show:entries
Insider NameRelation to CompanyShares ChangedPriceTransaction Date
SMART DALTON E. IIIOfficer383$42957.00May 1, 2026
MARALDO DAVID R.Officer552$0.06May 1, 2026
SMART DALTON E. IIIOfficer1,408$0.16Apr 30, 2026
LARSON BETTY DOfficer13,435$N/AApr 30, 2026
WILLIAMS DAVID MICHAELChief Technology Officer1,377$N/AApr 29, 2026
LI DEAN YOfficer4,722$N/AApr 29, 2026
OOSTHUIZEN JOHANNES JACOBUSOfficer1,377$N/AApr 29, 2026
LITCHFIELD CAROLINEChief Financial Officer3,935$N/AApr 29, 2026
DELUCA RICHARD ROBERT JR.Officer2,518$N/AApr 29, 2026
GUINDO CHIRFIOfficer1,967$0.22Apr 29, 2026
Page 1 of 7 (65 total transactions)