MRK

Merck & Co., Inc.

Next Earnings

Nov 07, 2026

Net Activity (1Y)

-$30.0M

Net Activity (90D)

-$30.0M

Insider Activity Graph

(18 shown · 76 raw)

Green/Red bubbles = daily net insider value (size = magnitude), Blue line = daily close price, E = earnings-related SEC filing

Insider trades for this company
Insider	Title	Type	Date ↓	Shares	Value
Chirfi Guindo	EVP, Access, Policy & Comms	Sale	2026-08-13	10,000	$1.4M
Richard R. Deluca	EVP&Pres, Merck Animal Heallth	Sale	2026-08-12	11,699	$1.5M
Jennifer Zachary	EVP, General Counsel	Sale	2026-08-12	80,315	$10.7M
Richard R. Deluca	EVP&Pres, Merck Animal Heallth	Sale	2026-08-11	12,837	$1.7M
Richard R. Deluca	EVP&Pres, Merck Animal Heallth	Sale	2026-08-10	20,784	$2.7M
Chirfi Guindo	EVP, Access, Policy & Comms	Sale	2026-08-06	15,000	$2.0M
Richard R. Deluca	EVP&Pres, Merck Animal Heallth	Sale	2026-08-06	6,050	$789K
David R. Maraldo	EVP & Pres. MMD	Sale	2026-08-05	18,706	$2.4M
David Michael Williams	EVP,Chief Info&Digital Officer	Sale	2026-08-05	52,847	$6.8M
Dalton E. Smart III	SVP Fin. - Global Controller	Tax Withhold	2026-05-02	132	$15K