Insider Buying and Selling - MRK

Transaction	Filed	Name	Type	Shares @ Price	Value	Balance change		Ownership
02/12/2026	02/12/2026	Guindo Chirfi Chief Marketing Officer Officer	Sell	-10,000 @ $121.46	($1,214,562.00)	60,615	(-14.16%)	Direct
02/10/2026	02/10/2026	Li Dean Y Executive VP & President, MRL Officer	Sell	-10,235 @ $117.52	($1,202,843.81)	92,035	(-10.01%)	Direct
02/09/2026	02/09/2026	Guindo Chirfi Chief Marketing Officer Officer	Sell	-10,000 @ $118.41	($1,184,101.00)	70,615	(-12.40%)	Direct
02/06/2026	02/06/2026	Deluca Richard R. EVP&Pres, Merck Animal Heallth Officer	Sell	-37,685 @ $120.92	($4,557,024.71)	160,174	(-19.05%)	Direct
02/06/2026	02/06/2026	Oosthuizen Johannes Jacobus President, U.S. Market Officer	Sell	-15,000 @ $121.87	($1,827,991.50)	21,197	(-41.44%)	Direct
02/05/2026	02/06/2026	Guindo Chirfi Chief Marketing Officer Officer	Sell	-20,000 @ $121.88	($2,437,676.00)	80,615	(-19.88%)	Direct
02/04/2026	02/06/2026	Davis Robert M Chairman, CEO & President CEO Director	Sell	-47,434 @ $118.04	($5,599,327.27)	443,602	(-9.66%)	Direct
11/10/2025	11/12/2025	Downing Cristal N Chief Comm. & Public Afrs Ofcr Officer	Sell	-7,085 @ $87.00	($616,395.00)	0	(-100.00%)	Direct
11/03/2025	11/04/2025	Williams David Michael EVP,Chief Info&Digital Officer Officer	Sell	-8,614 @ $83.59	($720,039.95)	24,578	(-25.95%)	Direct

Merck & Co., Inc. - MRK