Form 4 Tracker
Merck & Co., Inc.
MRK

66 insider filings · Latest: Jun 30, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Feb 4, 2026Feb 4 9:38 PMDALTON SMART
Proposed Sale
6,400$119.68$765.9K

View →

Feb 4, 2026Feb 4 9:29 PMROBERT M. DAVIS
Proposed Sale
47,434$118.02$5.6M

View →

Feb 4, 2026Feb 4 9:27 PMDEAN LI
Proposed Sale
15,087$118.77$1.8M

View →

Feb 4, 2026Feb 4 9:26 PMCAROLINE A LITCHFIELD
Proposed Sale
41,997$119.61$5.0M

View →

Nov 10, 2025Nov 10 9:07 PMCRISTAL DOWNING
Proposed Sale
7,085$87.00$616.4K

View →

Nov 3, 2025Nov 3 9:09 PMDAVID WILLIAMS
Proposed Sale
8,614$83.59$720.0K

View →

Apr 25, 2025Apr 25 8:05 PMDALTON SMART
Proposed Sale
4,262$82.76$352.7K

View →

Feb 19, 2025Feb 19 10:09 PMJOHANNES JACOBUS OOSTHUIZEN
Proposed Sale
8,500$84.09$714.7K

View →

Feb 13, 2025Feb 13 9:10 PMDAVID WILLIAMS
Proposed Sale
6,000$85.34$512.1K

View →

Feb 6, 2025Feb 6 9:43 PMCRISTAL DOWNING
Proposed Sale
2,361$88.76$209.6K

View →

← Previous

Page 2 of 2

Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
Apr 29, 2026May 1 9:38 PMRobert M DavisDirector, Chairman, CEO & President
Option Exercise
13,30026,601(D)

View →

Apr 29, 2026May 1 9:34 PMJohannes Jacobus OosthuizenEVP, Oncology & Int?l
Option Exercise
1,3772,755(D)

View →

Mar 31, 2026Apr 1 5:47 PMChristine E SeidmanDirector
Grant/Award
67.54519,238.328(D)

View →

Mar 31, 2026Apr 1 5:44 PMThomas H GlocerDirector
Grant/Award
405.271108,293.493(D)

View →

Mar 31, 2026Apr 1 5:42 PMMary Ellen CoeDirector
Grant/Award
249.39729,702.652(D)

View →

Feb 9, 2026Feb 9 9:01 PMJennifer ZacharyEVP, General Counsel
Option Exercise
121,573$87.100(D)

View →

Feb 6, 2026Feb 6 9:20 PMDavid Michael WilliamsEVP,Chief Info&Digital Officer
Option Exercise
5,0004,600(D)

View →

Feb 4, 2026Feb 6 9:18 PMDalton E. Smart IIISVP Fin. - Global Controller
Option Exercise
4,000$62.078,130(D)

View →

Feb 4, 2026Feb 6 9:13 PMCaroline LitchfieldEVP & CFO
Option Exercise
41,9970(D)

View →

Feb 4, 2026Feb 6 9:12 PMDean Y LiExecutive VP & President, MRL
Option Exercise
15,0870(D)

View →

← Previous

Page 3 of 3