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Merck & Co., Inc.

All insider transactions

36 transactions

Date ↓MoveSecurityInsiderΔ sharesPriceValueHeld afterImpact
Apr 29, 2026Other
Tax withholding
Common StockDavis Robert M
CEO
-6,551$110.03$720.8K450,351low
Apr 29, 2026Other
Option exercise
Common StockDavis Robert M
CEO
+13,300$110.03$1.46M456,902low
Feb 12, 2026SellCommon StockGuindo Chirfi
Executive
-10,000$121.46$1.21M60,615medium
Feb 10, 2026SellCommon StockLi Dean Y
Executive
-10,235$117.52$1.20M92,035medium
Feb 9, 2026SellCommon StockZachary Jennifer
Executive
-38,835$119.15$4.63M68,916medium
Feb 9, 2026Other
Option exercise
Common StockZachary Jennifer
Executive
+38,835$119.15$4.63M107,751low
Feb 9, 2026SellCommon StockZachary Jennifer
Executive
-56,792$119.15$6.77M68,916medium
Feb 9, 2026Other
Option exercise
Common StockZachary Jennifer
Executive
+56,792$119.15$6.77M125,708low
Feb 9, 2026SellCommon StockZachary Jennifer
Executive
-25,946$119.15$3.09M68,916medium
Feb 9, 2026Other
Option exercise
Common StockZachary Jennifer
Executive
+25,946$119.15$3.09M94,862low
Feb 9, 2026SellCommon StockGuindo Chirfi
Executive
-10,000$118.41$1.18M70,615medium
Feb 6, 2026Sell
ⓘ
Common StockOosthuizen Johannes Jacobus
Executive
-15,000$121.87$1.83M21,197medium
Feb 6, 2026SellCommon StockWilliams David Michael
Executive
-5,000$121.91$609.5K30,838medium
Feb 6, 2026Other
Option exercise
Common StockWilliams David Michael
Executive
+5,000$77.62$388.1K35,838low
Feb 6, 2026SellCommon StockDeLuca Richard R.
Executive
-37,685$120.92$4.56M160,174medium
Feb 5, 2026SellCommon StockGuindo Chirfi
Executive
-20,000$121.88$2.44M80,615medium
Feb 4, 2026SellCommon StockSmart Dalton E. III
Executive
-2,400$119.67$287.2K8,205medium
Feb 4, 2026SellCommon StockSmart Dalton E. III
Executive
-4,000$119.67$478.7K10,605medium
Feb 4, 2026Other
Option exercise
Common StockSmart Dalton E. III
Executive
+4,000$62.07$248.3K14,605low
Feb 4, 2026Sell
ⓘ
Common StockLitchfield Caroline
Executive
-41,997$119.61$5.02M90,192medium
Feb 4, 2026Other
Option exercise
Common StockLitchfield Caroline
Executive
+41,997$53.06$2.23M132,189low
Feb 4, 2026SellCommon StockLi Dean Y
Executive
-15,087$118.77$1.79M102,270medium
Feb 4, 2026Other
Option exercise
Common StockLi Dean Y
Executive
+15,087$56.04$845.5K117,357low
Feb 4, 2026SellCommon StockDavis Robert M
CEO
-32,462$118.35$3.84M443,602medium
Feb 4, 2026SellCommon StockDavis Robert M
CEO
-14,972$117.38$1.76M476,064medium
Jan 26, 2026Other
Grant / award ⓘ
Common StockSmart Dalton E. III
Executive
+1,066$107.40$114.5K10,605low
Jan 26, 2026Other
Grant / award ⓘ
Common StockRomanelli Joseph
Executive
+5,703$107.40$612.5K28,739low
Jan 26, 2026Other
Grant / award ⓘ
Common StockOosthuizen Johannes Jacobus
Executive
+5,026$107.40$539.8K36,197low
Jan 26, 2026Other
Grant / award ⓘ
Common StockLitchfield Caroline
Executive
+15,852$107.40$1.70M90,192low
Jan 26, 2026Other
Grant / award
Common StockLi Dean Y
Executive
+20,469$107.40$2.20M102,270low
Jan 26, 2026Other
Grant / award
Common StockWilliams David Michael
Executive
+6,112$107.40$656.4K30,838low
Jan 26, 2026Other
Grant / award
Common StockZachary Jennifer
Executive
+11,583$107.40$1.24M68,916low
Jan 26, 2026Other
Grant / award
Common StockGuindo Chirfi
Executive
+9,865$107.40$1.06M100,615low
Jan 26, 2026Other
Grant / award
Common StockChattopadhyay Sanat
Executive
+13,880$107.40$1.49M13,880low
Jan 26, 2026Other
Grant / award
Common StockDeLuca Richard R.
Executive
+12,264$107.40$1.32M197,859low
Jan 26, 2026Other
Grant / award
Common StockDavis Robert M
CEO
+47,434$107.40$5.09M491,036low
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