Merck & Co.

By person

16 insiders · 50 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

Zachary Jennifer

EVP, General Counsel

—

$25.20M (4) scheduled

−$25.20M

45,509

0.0018%

$6.14M

+40.5%

DeLuca Richard R.

EVP&Pres, Merck Animal Heallth

—

$11.29M (9)

−$11.29M

110,167

0.0045%

$14.87M

−31.3%

Guindo Chirfi

EVP, Access, Policy & Comms

—

$8.15M (5)

−$8.15M

36,613

0.0015%

$4.94M

−16.5%

Williams David Michael

EVP,Chief Info&Digital Officer

—

$8.13M (5) scheduled

−$8.13M

31,716

0.0013%

$4.28M

+54.1%

Davis Robert M

Chairman, CEO & President

—

$5.60M (2)

−$5.60M

450,351

0.0183%

$60.80M

+29.3%

Litchfield Caroline

EVP & CFO

—

$5.02M (1) scheduled

−$5.02M

92,301

0.0037%

$12.46M

+80.9%

Li Dean Y

Executive VP & President, MRL

—

$2.99M (2) scheduled

−$2.99M

94,431

0.0038%

$12.75M

+92.0%

Maraldo David R.

EVP & Pres. MMD

—

$2.41M (3) scheduled

−$2.41M

18,212

0.0007%

$2.46M

+2.2%

Oosthuizen Johannes Jacobus

EVP, Oncology & Int?l

—

$1.83M (1)

−$1.83M

21,895

0.0009%

$2.96M

−10.3%

Smart Dalton E. III

SVP Fin. - Global Controller

—

$765.92K (2) scheduled

−$765.92K

9,388

0.0004%

$1.27M

+110.4%

Downing Cristal N

Chief Comm. & Public Afrs Ofcr

—

$616.40K (1)

−$616.40K

0.0000%

$0.00

—

Romanelli Joseph

President, Human Health Int?l

—

28,739

0.0012%

$3.88M

+37.9%

BAKER DOUGLAS M JR

Director

—

16,000

0.0006%

$2.16M

+1,500%

Chattopadhyay Sanat

Exe V-P & Pres. MMD

—

15,347

0.0006%

$2.07M

—

Larson Betty D

EVP, Chief HR Officer

—

13,774

0.0006%

$1.86M

—

THULIN INGE G

Director

—

2,933

0.0001%

$395.94K

+2,833%

Individual transactions

Insider

Date

Role

Action

Price

Amount

Guindo Chirfi

13 Aug 2026

EVP, Access, Policy & Comms

Sell

10,000

$135.00

$1.35M

DeLuca Richard R.

12 Aug 2026

EVP&Pres, Merck Animal Heallth

Sell

600

$132.04

$79.22K

DeLuca Richard R.

12 Aug 2026

EVP&Pres, Merck Animal Heallth

Sell

11,099

$131.61

$1.46M

DeLuca Richard R.

11 Aug 2026

EVP&Pres, Merck Animal Heallth

Sell

5,427

$132.35

$718.26K

DeLuca Richard R.

11 Aug 2026

EVP&Pres, Merck Animal Heallth

Sell

7,410

$131.33

$973.16K

DeLuca Richard R.

10 Aug 2026

EVP&Pres, Merck Animal Heallth

Sell

20,784

$130.43

$2.71M

Guindo Chirfi

6 Aug 2026

EVP, Access, Policy & Comms

Sell

15,000

$131.00

$1.97M

DeLuca Richard R.

6 Aug 2026

EVP&Pres, Merck Animal Heallth

Sell

300

$131.02

$39.31K

DeLuca Richard R.

6 Aug 2026

EVP&Pres, Merck Animal Heallth

Sell

4,945

$130.23

$643.99K

DeLuca Richard R.

6 Aug 2026

EVP&Pres, Merck Animal Heallth

Sell

805

$131.02

$105.47K

Guindo Chirfi

12 Feb 2026

Chief Marketing Officer

Sell

10,000

$121.46

$1.21M

Li Dean Y

10 Feb 2026

Executive VP & President, MRL

Sell

10,235

$117.52

$1.20M

Guindo Chirfi

9 Feb 2026

Chief Marketing Officer

Sell

10,000

$118.41

$1.18M

DeLuca Richard R.

6 Feb 2026

EVP&Pres, Merck Animal Heallth

Sell

37,685

$120.92

$4.56M

Oosthuizen Johannes Jacobus

6 Feb 2026

President, U.S. Market

Sell

15,000

$121.87

$1.83M

Guindo Chirfi

5 Feb 2026

Chief Marketing Officer

Sell

20,000

$121.88

$2.44M

Davis Robert M

4 Feb 2026

Chairman, CEO & President

Sell

32,462

$118.35

$3.84M

Davis Robert M

4 Feb 2026

Chairman, CEO & President

Sell

14,972

$117.38

$1.76M

Downing Cristal N

10 Nov 2025

Chief Comm. & Public Afrs Ofcr

Sell

7,085

$87.00

$616.40K

Williams David Michael

3 Nov 2025

EVP,Chief Info&Digital Officer

Sell

8,614

$83.59

$720.04K

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