Guindo Chirfi bought MRK
August 4, 2025 · Form 4 insider transaction
Guindo Chirfi bought 36,903 shares of Merck & Co., Inc. at $79.29 per share, a transaction worth $2.93M. The trade was recorded as option exercise and disclosed on an SEC Form 4, filed 1 day after the transaction.
Direction
Acquired (buy-side)
Shares
36,903
Price
$79.29
Total value
$2.93M
InsiderGuindo Chirfi
Role—
CompanyMerck & Co., Inc. (MRK)
SecurityCommon Stock
Transaction codeM: Option exercise
Transaction dateAugust 4, 2025
Filing dateAugust 5, 2025
Shares owned after107,409
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
Holdings include shares acquired in dividend reinvestment transactions.