MRK
Merck & Co Inc
$8.70M
Cluster sell
Discretionary Insider Activity
Date:
08/06/2026
Insiders:
Guindo Chirfi, EVP, Access, Policy & Comms, and 1 others
Prior trend:
25 weeks of no clear discretionary insider activity

Summary

A $8.70M cluster sell for Merck & Co Inc (MRK) on 08/06/2026 after 25 weeks of no clear discretionary insider activity trend.

Reports

Action Amount Date Insider Role(s) SEC Filing No
Sell $1.97M 08/07/2026 Guindo Chirfi EVP, Access, Policy & Comms 0000310158-26-000213
Sell $789K 08/10/2026 DeLuca Richard R. EVP&Pres, Merck Animal Heallth 0000310158-26-000217
Sell $5.94M 08/12/2026 DeLuca Richard R. EVP&Pres, Merck Animal Heallth 0000310158-26-000219

Stake Changes

Action Insider Role(s) Total Change % Change
Sell Guindo Chirfi EVP, Access, Policy & Comms $1.97M 24.3%
Sell DeLuca Richard R. EVP&Pres, Merck Animal Heallth $6.73M 31.8%

Transactions

Action Amount Date Insider Security Type SEC Code
Sell $1.97M 08/06/2026 Guindo Chirfi Common Stock Discretionary Sale
Sell $105K 08/06/2026 DeLuca Richard R. Common Stock Discretionary Sale
Sell $644K 08/06/2026 DeLuca Richard R. Common Stock Discretionary Sale
Sell $39K 08/06/2026 DeLuca Richard R. Common Stock Discretionary Sale
Sell $2.71M 08/10/2026 DeLuca Richard R. Common Stock Discretionary Sale
Sell $973K 08/11/2026 DeLuca Richard R. Common Stock Discretionary Sale
Sell $718K 08/11/2026 DeLuca Richard R. Common Stock Discretionary Sale
Sell $1.46M 08/12/2026 DeLuca Richard R. Common Stock Discretionary Sale
Sell $79K 08/12/2026 DeLuca Richard R. Common Stock Discretionary Sale

Price Changes

Price at Scan Price at 30 Days 30 Day Change % Change Price at 1 Year 1 Year Change % Change
$135.55

Stats

Prior max multiple:
7.2
Prior median multiple:
7.2

Metadata

Signal ID:
RzMbclG9GsN0DaCu
Scanned on:
08/12/2026
Status:
Current