Adamo Claudine sold COST
March 9, 2026 · Form 4 insider transaction
Adamo Claudine sold 730 shares of Costco Wholesale Corporation at $1003.02 per share, a transaction worth $732.2K. The trade was recorded as open-market sale and disclosed on an SEC Form 4, filed 2 days after the transaction.
Direction
Disposed (sell-side)
Shares
730
Price
$1003.02
Total value
$732.2K
InsiderAdamo Claudine
Role—
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateMarch 9, 2026
Filing dateMarch 11, 2026
Shares owned after6,121
OwnershipDirect
10b5-1 planNo
AmendedNo