Adamo Claudine sold COST
September 10, 2026 · Form 4 insider transaction
Adamo Claudine sold 916.685 shares of Costco Wholesale Corporation at $902.38 per share, a transaction worth $827.2K. The trade was recorded as shares withheld for taxes and disclosed on an SEC Form 4, filed 4 days after the transaction.
Direction
Disposed (sell-side)
Shares
916.685
Price
$902.38
Total value
$827.2K
InsiderAdamo Claudine
Role—
SecurityCommon Stock
Transaction codeF: Shares withheld for taxes
Transaction dateSeptember 10, 2026
Filing dateSeptember 14, 2026
Shares owned after9,334
OwnershipDirect
10b5-1 planNo
AmendedNo