Companies / Merck & Co., Inc. / Activity

Activity — Merck & Co., Inc.

16 moves.

Top impactInsider · CEO movesInsider · biggest buysInsider · biggest sellsInstitution · biggest movesInstitution · new positions
InsidersInstitutions
DateActorActionSecurityValueShares ΔPosition afterImpact
Feb 9, 2026Zachary Jennifer
Executive
SellCommon Stock$6.77M-57K
-45.18%
68,916
<0.01% of shares
medium
Feb 4, 2026Litchfield Caroline
Executive
SellCommon Stock$5.02M-42K
-31.77%
90,192
<0.01% of shares
medium
Feb 9, 2026Zachary Jennifer
Executive
SellCommon Stock$4.63M-39K
-36.04%
68,916
<0.01% of shares
medium
Feb 6, 2026DeLuca Richard R.
Executive
SellCommon Stock$4.56M-38K
-19.05%
160,174
<0.01% of shares
medium
Feb 4, 2026Davis Robert M
CEO
SellCommon Stock$3.84M-32K
-6.82%
443,602
0.02% of shares
medium
Feb 9, 2026Zachary Jennifer
Executive
SellCommon Stock$3.09M-26K
-27.35%
68,916
<0.01% of shares
medium
Feb 5, 2026Guindo Chirfi
Executive
SellCommon Stock$2.44M-20K
-19.88%
80,615
<0.01% of shares
medium
Feb 6, 2026Oosthuizen Johannes Jacobus
Executive
SellCommon Stock$1.83M-15K
-41.44%
21,197
<0.01% of shares
medium
Feb 4, 2026Li Dean Y
Executive
SellCommon Stock$1.79M-15K
-12.86%
102,270
<0.01% of shares
medium
Feb 4, 2026Davis Robert M
CEO
SellCommon Stock$1.76M-15K
-3.05%
476,064
0.02% of shares
medium
Feb 12, 2026Guindo Chirfi
Executive
SellCommon Stock$1.21M-10K
-14.16%
60,615
<0.01% of shares
medium
Feb 10, 2026Li Dean Y
Executive
SellCommon Stock$1.20M-10K
-10.01%
92,035
<0.01% of shares
medium
Feb 9, 2026Guindo Chirfi
Executive
SellCommon Stock$1.18M-10K
-12.40%
70,615
<0.01% of shares
medium
Feb 6, 2026Williams David Michael
Executive
SellCommon Stock$609.5K-5K
-13.95%
30,838
<0.01% of shares
medium
Feb 4, 2026Smart Dalton E. III
Executive
SellCommon Stock$478.7K-4K
-27.39%
10,605
<0.01% of shares
medium
Feb 4, 2026Smart Dalton E. III
Executive
SellCommon Stock$287.2K-2K
-22.63%
8,205
<0.01% of shares
medium
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