Merck & Co. (MRK) insider trading

Insider

Date

Role

Action

Shares

Price

Amount

Chirfi Guindo

13 Aug 2026

EVP, Access, Policy & Comms

Sell

10,000

$135.00

$1.35M

Richard R. DeLuca

12 Aug 2026

EVP&Pres, Merck Animal Heallth

Sell

600

$132.04

$79.22K

Richard R. DeLuca

12 Aug 2026

EVP&Pres, Merck Animal Heallth

Sell

11,099

$131.61

$1.46M

Richard R. DeLuca

11 Aug 2026

EVP&Pres, Merck Animal Heallth

Sell

5,427

$132.35

$718.26K

Richard R. DeLuca

11 Aug 2026

EVP&Pres, Merck Animal Heallth

Sell

7,410

$131.33

$973.16K

Richard R. DeLuca

10 Aug 2026

EVP&Pres, Merck Animal Heallth

Sell

20,784

$130.43

$2.71M

Chirfi Guindo

6 Aug 2026

EVP, Access, Policy & Comms

Sell

15,000

$131.00

$1.97M

Richard R. DeLuca

6 Aug 2026

EVP&Pres, Merck Animal Heallth

Sell

300

$131.02

$39.31K

Richard R. DeLuca

6 Aug 2026

EVP&Pres, Merck Animal Heallth

Sell

4,945

$130.23

$643.99K

Richard R. DeLuca

6 Aug 2026

EVP&Pres, Merck Animal Heallth

Sell

805

$131.02

$105.47K

Chirfi Guindo

12 Feb 2026

Chief Marketing Officer

Sell

10,000

$121.46

$1.21M

Dean Y Li

10 Feb 2026

Executive VP & President, MRL

Sell

10,235

$117.52

$1.20M

Chirfi Guindo

9 Feb 2026

Chief Marketing Officer

Sell

10,000

$118.41

$1.18M

Richard R. DeLuca

6 Feb 2026

EVP&Pres, Merck Animal Heallth

Sell

37,685

$120.92

$4.56M

Johannes Jacobus Oosthuizen

6 Feb 2026

President, U.S. Market

Sell

15,000

$121.87

$1.83M

Chirfi Guindo

5 Feb 2026

Chief Marketing Officer

Sell

20,000

$121.88

$2.44M

Robert M Davis

4 Feb 2026

Chairman, CEO & President

Sell

32,462

$118.35

$3.84M

Robert M Davis

4 Feb 2026

Chairman, CEO & President

Sell

14,972

$117.38

$1.76M

Cristal N Downing

10 Nov 2025

Chief Comm. & Public Afrs Ofcr

Sell

7,085

$87.00

$616.40K

Merck & Co.

What the insiders did Net selling

Individual transactions

What was left out