Merck & Co., Inc. logo

MRK

Merck & Co., Inc.
NYSE
Healthcare
Drug Manufacturers - General
merck.com
$.
$3.13(-2.44%)
Market closedupdated just now
O: $128.01H: $128.42L: $124.71

Market Cap

$309.64B

P/E Ratio

35.32

52W High

$130.29

52W Low

$76.66

Analyst Ratings

No analyst coverage available for MRK.

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Insider Trading
50 recent filings

Buys

41

Sells

9

Reported value

$4.89M

50 shown
DateInsiderTypeSharesPriceValueOwned
May 29, 2026

KARSANBHAI, SURENDRALAL LANCA

Director

Buy1,853$118.72$220,000.00-
May 29, 2026

COE, MARY ELLEN

Director

Buy1,853$118.72$220,000.00-
May 29, 2026

THULIN, INGE G

Director

Buy1,853$118.72$220,000.00-
May 29, 2026

SEIDMAN, CHRISTINE E

Director

Buy1,853$118.72$220,000.00-
May 29, 2026

RUSSO, PATRICIA F

Director

Buy1,853$118.72$220,000.00-
May 29, 2026

WARDEN, KATHY J

Director

Buy1,853$118.72$220,000.00-
May 29, 2026

BAKER, DOUGLAS M JR

Director

Buy1,853$118.72$220,000.00-
May 29, 2026

CRAIG, PAMELA J.

Director

Buy1,853$118.72$220,000.00-
May 29, 2026

GLOCER, THOMAS H

Director

Buy1,853$118.72$220,000.00-
May 29, 2026

LAVIZZO-MOUREY, RISA J

Director

Buy1,853$118.72$220,000.00-
May 29, 2026

MAYO, STEPHEN

Director

Buy1,853$118.72$220,000.00-
May 29, 2026

ROTHMAN, PAUL

Director

Buy1,853$118.72$220,000.00-
May 5, 2026

DELUCA, RICHARD R.

EVP&Pres, Merck Animal Heallth

Buy34,924$0.00$0.00-
May 5, 2026

DAVIS, ROBERT M

Director, Chairman, CEO & President

Buy47,724$0.00$0.00-
May 5, 2026

DAVIS, ROBERT M

Director, Chairman, CEO & President

Buy139,697$0.00$0.00-
May 5, 2026

FOARD, BRIAN

EVP, Specialty, Pharma, & ID

Buy10,605$0.00$0.00-
May 5, 2026

FOARD, BRIAN

EVP, Specialty, Pharma, & ID

Buy35,351$0.00$0.00-
May 5, 2026

FOARD, BRIAN

EVP, Specialty, Pharma, & ID

Buy31,044$0.00$0.00-
May 5, 2026

MARALDO, DAVID R.

EVP & Pres. MMD

Buy7,424$0.00$0.00-
May 5, 2026

MARALDO, DAVID R.

EVP & Pres. MMD

Buy21,731$0.00$0.00-
May 5, 2026

OOSTHUIZEN, JOHANNES JACOBUS

EVP, Oncology & Int?l

Buy31,044$0.00$0.00-
May 5, 2026

ZACHARY, JENNIFER

EVP, General Counsel

Buy12,064$0.00$0.00-
May 5, 2026

ZACHARY, JENNIFER

EVP, General Counsel

Buy35,312$0.00$0.00-
May 5, 2026

WILLIAMS, DAVID MICHAEL

EVP,Chief Info&Digital Officer

Buy4,640$0.00$0.00-
May 5, 2026

WILLIAMS, DAVID MICHAEL

EVP,Chief Info&Digital Officer

Buy13,582$0.00$0.00-
May 5, 2026

LITCHFIELD, CAROLINE

EVP & CFO

Buy15,908$0.00$0.00-
May 5, 2026

LITCHFIELD, CAROLINE

EVP & CFO

Buy46,566$0.00$0.00-
May 5, 2026

LI, DEAN Y

Executive VP & President, MRL

Buy19,885$0.00$0.00-
May 5, 2026

LI, DEAN Y

Executive VP & President, MRL

Buy58,207$0.00$0.00-
May 5, 2026

LARSON, BETTY D

EVP, Chief HR Officer

Buy7,954$0.00$0.00-
May 5, 2026

LARSON, BETTY D

EVP, Chief HR Officer

Buy23,283$0.00$0.00-
May 5, 2026

DELUCA, RICHARD R.

EVP&Pres, Merck Animal Heallth

Buy11,931$0.00$0.00-
May 5, 2026

GUINDO, CHIRFI

EVP, Access, Policy & Comms

Buy19,402$0.00$0.00-
May 5, 2026

GUINDO, CHIRFI

EVP, Access, Policy & Comms

Buy6,628$0.00$0.00-
May 5, 2026

SMART, DALTON E. III

SVP Fin. - Global Controller

Buy5,045$0.00$0.00-
May 5, 2026

SMART, DALTON E. III

SVP Fin. - Global Controller

Buy2,298$0.00$0.00-
May 5, 2026

OOSTHUIZEN, JOHANNES JACOBUS

EVP, Oncology & Int?l

Buy10,605$0.00$0.00-
May 2, 2026

SMART, DALTON E. III

SVP Fin. - Global Controller

Buy383$112.16$42,957.28-
May 2, 2026

MARALDO, DAVID R.

EVP & Pres. MMD

Sell552$0.00$0.00-
May 2, 2026

MARALDO, DAVID R.

EVP & Pres. MMD

Sell159$112.16$17,833.44-
May 2, 2026

MARALDO, DAVID R.

EVP & Pres. MMD

Buy552$112.16$61,912.32-
May 2, 2026

SMART, DALTON E. III

SVP Fin. - Global Controller

Sell383$0.00$0.00-
May 2, 2026

SMART, DALTON E. III

SVP Fin. - Global Controller

Sell132$112.16$14,805.12-
Apr 30, 2026

LARSON, BETTY D

EVP, Chief HR Officer

Sell5,143$110.95$570,615.85-
Apr 30, 2026

SMART, DALTON E. III

SVP Fin. - Global Controller

Buy464$110.95$51,480.80-
Apr 30, 2026

SMART, DALTON E. III

SVP Fin. - Global Controller

Sell159$110.95$17,641.05-
Apr 30, 2026

SMART, DALTON E. III

SVP Fin. - Global Controller

Sell464$0.00$0.00-
Apr 30, 2026

LARSON, BETTY D

EVP, Chief HR Officer

Buy11,350$110.95$1.26M-
Apr 30, 2026

LARSON, BETTY D

EVP, Chief HR Officer

Sell11,350$0.00$0.00-
Apr 29, 2026

LITCHFIELD, CAROLINE

EVP & CFO

Sell1,938$110.03$213,238.14-

Insider transactions via Alpha Vantage with SEC EDGAR fallback. Data can include grants, planned sales, and administrative filings; this is not investment advice.

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MRK logo
About Merck & Co., Inc.

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.

Visit merck.com

Key Statistics

Open
$128.01
Prev Close
$128.50
Day High
$128.42
Day Low
$124.71
Volume
6.84M
Market Cap
$309.64B
P/E Ratio
35.32
EPS
$3.55
Beta
0.22
Dividend Yield
+2.71%
52W High
$130.29
52W Low
$76.66
Analyst Target