Merck & Co., Inc.

Ownership Transactions Reported by 35 Insiders

Symbol
MRK on NYSE
Location
126 East Lincoln Avenue, P.O. Box 2000, Rahway, NJ

Insiders trading volume in the past year

Merck & Co., Inc. executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Report Date
Kenneth C. Frazier Executive Chair, Director $87.4M Nov 7, 2022
Robert M. Davis Chairman, CEO & President, Director $36.3M Apr 29, 2025
Wendell Peter C Director $16.6M Mar 28, 2024
Sanat Chattopadhyay Exe V-P & Pres. MMD $15.2M Apr 29, 2025
Richard R. DeLuca EVP&Pres, Merck Animal Heallth $14.9M Apr 29, 2025
Frank Clyburn EVP & Pres ? Human Health $11.6M Oct 30, 2021
Chirfi Guindo Chief Marketing Officer $10.3M Aug 4, 2025
Thomas H. Glocer Director $9.3M Sep 30, 2025
Dean Y. Li Executive VP & President, MRL $6.57M Apr 29, 2025
Caroline Litchfield Evp & Cfo $6.09M Apr 29, 2025
Julie Gerberding EVP, Chief Patient Officer $5.82M Feb 24, 2022
Leslie A. Brun Director $5.65M May 28, 2021
Rita A. Karachun Sr. VP Fince-Global Controller $5.58M May 3, 2023
Patricia F. Russo Director $5.5M May 30, 2025
Betty Larson EVP, Chief HR Officer $4.91M Apr 30, 2025
Jennifer Zachary EVP, General Counsel $4.57M Apr 29, 2025
Michael A. Klobuchar EVP - Chief Strategy Officer $3.01M May 4, 2024
Steven Mizell EVP, Chief HR Officer $2.99M Feb 2, 2024
Pamela J. Craig Director $2.59M May 30, 2025
Johannes Oosthuizen President, U.S. Market $2.53M -$715K -22.1% Apr 29, 2025
Joseph Romanelli President, Human Health Int?l $2.49M Apr 30, 2025
Paul Rothman Director $2.47M May 30, 2025
Mary Ellen Coe Director $2.41M Sep 30, 2025
Inge G. Thulin Director $2.13M +$250K +13.3% May 30, 2025
David Michael Williams EVP,Chief Info&Digital Officer $2.05M -$1.23M -37.5% Nov 3, 2025
Douglas M. Baker Jr Director $1.94M +$1.33M +215% May 30, 2025
Christine E. Seidman Director $1.58M Sep 30, 2025
Risa J. Lavizzo Mourey Director $1.26M May 30, 2025
Kathy J. Warden Director $1.23M May 30, 2025
Stephen Mayo Director $971K May 30, 2025
Dalton Smart SVP Fin. - Global Controller $793K -$353K -30.8% May 3, 2025
Lisa LeCointe-Cephas SVP Chief Ethics & Com Officer $719K May 3, 2023
Arpa Garay SVP Human Health Global Mktg. $486K May 3, 2022
Surendralal Lanca Karsanbhai Director $263K May 30, 2025
Cristal N. Downing Chief Comm. & Public Afrs Ofcr $0 -$826K -100% Nov 10, 2025

Recent Insider Transactions by Companies or Individuals for Merck & Co., Inc.

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.