Insider
Title
Date
Shares
% Owned
Market Value
Thomas Henry Glocer

Independent Lead Director

2025-10-02

105.6K

0.004256%

9.4M

Chirfi Guindo

Senior VP & Chief Marketing Officer of Human Health

2025-08-05

89.3K

0.003597%

7.1M

Dean Y. Li

Executive VP & President of Merck Research Laboratories

2025-05-01

64.5K

0.002598%

5.4M

Patricia F. Russo

Independent Director

2025-06-03

58.5K

0.002358%

4.6M

Robert M. Davis

Chairman, President & CEO

2025-05-01

39.9K

0.001608%

3.3M

Sanat Chattopadhyay
Richard R. DeLuca
Paul B. Rothman
Pamela J. Craig
Mary Ellen Coe
Inge G. Thulin
David Michael Williams
Joseph Romanelli
Christine E. Seidman
Kathy J. Warden

Total

722.1K

0.029093%

59.6M