Merck & Co. (MRK) insider trading

By person

20 insiders · 49 transactions

36.9×

Robert M. Davis holds 36.9 times base salary in stock. $60.80M of shares against $1.65M in salary for 2025.

Salary from the company's own proxy. The shares are what Robert M. Davis last reported holding, valued at $135.00, the price Common Stock was last bought or sold at on the open market here, on 13 Aug 2026.

Insider

Role

Bought

Sold

Net

Holding

Of company

Worth

Change

Jennifer Zachary

EVP, General Counsel

—

$25.20M (4) scheduled

−$25.20M

45,509

0.0018%

$6.14M

+40.5%

Richard R. DeLuca

EVP&Pres, Merck Animal Heallth

—

$11.29M (9)

−$11.29M

110,167

0.0045%

$14.87M

−31.3%

Chirfi Guindo

EVP, Access, Policy & Comms

—

$8.15M (5)

−$8.15M

36,613

0.0015%

$4.94M

−16.5%

David Michael Williams

EVP,Chief Info&Digital Officer

—

$7.41M (4) scheduled

−$7.41M

31,716

0.0013%

$4.28M

+54.1%

Robert M Davis

Chairman, CEO & President

—

$5.60M (2)

−$5.60M

450,351

0.0183%

$60.80M

+29.3%

Caroline Litchfield

EVP & CFO

—

$5.02M (1) scheduled

−$5.02M

92,301

0.0037%

$12.46M

+80.9%

Dean Y Li

Executive VP & President, MRL

—

$2.99M (2) scheduled

−$2.99M

94,431

0.0038%

$12.75M

+92.0%

David R. Maraldo

EVP & Pres. MMD

—

$2.41M (3) scheduled

−$2.41M

18,212

0.0007%

$2.46M

+2.2%

Johannes Jacobus Oosthuizen

EVP, Oncology & Int?l

—

$1.83M (1)

−$1.83M

21,895

0.0009%

$2.96M

−10.3%

Dalton E. Smart III

SVP Fin. - Global Controller

—

$765.92K (2) scheduled

−$765.92K

9,388

0.0004%

$1.27M

+110.4%

Cristal N Downing

Chief Comm. & Public Afrs Ofcr

—

$616.40K (1)

−$616.40K

0.0000%

$0.00

—

Joseph Romanelli

President, Human Health Int?l

—

28,739

0.0012%

$3.88M

+37.9%

Douglas M Baker Jr

Director

—

16,000

0.0006%

$2.16M

+1,500%

Sanat Chattopadhyay

Exe V-P & Pres. MMD

—

15,347

0.0006%

$2.07M

—

Betty D Larson

EVP, Chief HR Officer

—

13,774

0.0006%

$1.86M

—

Inge G Thulin

Director

—

2,933

0.0001%

$395.94K

+2,833%

Paul J Diaz

Director

—

296

<0.0001%

$39.96K

0.0%

Christine E Seidman

Director

—

100

<0.0001%

$13.50K

0.0%

Mary Ellen Coe

Director

—

<0.0001%

$1.35K

0.0%

Surendralal Lanca Karsanbhai

Director

—

<0.0001%

$135.00

0.0%

Merck & Co.

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