Insider Transactions in Q3 2025 at Merck & Co., Inc. (MRK)
Insider Transaction List (Q3 2025)
| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Aug 04
2025
|
David Michael Williams EVP,Chief Info&Digital Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
8,432
-20.35%
|
$666,128
$79.29 P/Share
|
|
Aug 04
2025
|
David Michael Williams EVP,Chief Info&Digital Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
17,119
+29.23%
|
$1,352,401
$79.29 P/Share
|
|
Aug 04
2025
|
Chirfi Guindo Chief Marketing Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
18,175
-16.92%
|
$1,435,825
$79.29 P/Share
|
|
Aug 04
2025
|
Chirfi Guindo Chief Marketing Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
36,903
+25.57%
|
$2,915,337
$79.29 P/Share
|