InsiderClue
Stocks · Health care · Pharmaceutical Preparations

Merck & Co.

MRK Clue Score53
United States Fiscal year ends December CIK 0000310158 Results filed 29 Oct 2026
Add to watchlist

What the insiders did Net selling

Individual transactions

15
Insider
Date
Role
Action
Shares
Price
Amount
David R. Maraldo
2 May 2026
EVP & Pres. MMD
Exercised, kept
552
$112.16
$61.91K
Dalton E. Smart III
2 May 2026
SVP Fin. - Global Controller
Exercised, kept
383
$112.16
$42.96K
Betty D Larson
30 Apr 2026
EVP, Chief HR Officer
Exercised, kept
11,350
$110.95
$1.26M
Dalton E. Smart III
30 Apr 2026
SVP Fin. - Global Controller
Exercised, kept
464
$110.95
$51.48K
Johannes Jacobus Oosthuizen
29 Apr 2026
EVP, Oncology & Int?l
Exercised, kept
1,377
$110.03
$151.51K
Robert M Davis
29 Apr 2026
Chairman, CEO & President
Exercised, kept
13,300
$110.03
$1.46M
Caroline Litchfield
29 Apr 2026
EVP & CFO
Exercised, kept
3,935
$110.03
$432.97K
Betty D Larson
29 Apr 2026
EVP, Chief HR Officer
Exercised, kept
2,085
$110.03
$229.41K
Jennifer Zachary
29 Apr 2026
EVP, General Counsel
Exercised, kept
2,951
$110.03
$324.70K
Dean Y Li
29 Apr 2026
Executive VP & President, MRL
Exercised, kept
4,722
$110.03
$519.56K
Dalton E. Smart III
29 Apr 2026
SVP Fin. - Global Controller
Exercised, kept
944
$110.03
$103.87K
David Michael Williams
29 Apr 2026
EVP,Chief Info&Digital Officer
Exercised, kept
1,377
$110.03
$151.51K
Richard R. DeLuca
29 Apr 2026
EVP&Pres, Merck Animal Heallth
Exercised, kept
2,518
$110.03
$277.06K
Sanat Chattopadhyay
29 Apr 2026
Exe V-P & Pres. MMD
Exercised, kept
2,597
$110.03
$285.75K
Chirfi Guindo
29 Apr 2026
EVP, Access, Policy & Comms
Exercised, kept
1,967
$110.03
$216.43K
Show all 49 transactions →

What was left out

Form 4 filings counted 81
Amendments (4/A) skipped 0
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 0
Sales straight out of an exercise 15
Sales at will 19
Transactions with no price 0
Shares from compensation/vesting 537,512
History held since 25 Oct 2006