Adamo Claudine sold COST
September 29, 2026 · Form 4 insider transaction
Adamo Claudine sold 2,200 shares of Costco Wholesale Corporation at $915.93 per share, a transaction worth $2.02M. The trade was recorded as open-market sale and disclosed on an SEC Form 4, filed 1 day after the transaction.
Direction
Disposed (sell-side)
Shares
2,200
Price
$915.93
Total value
$2.02M
InsiderAdamo Claudine
Role—
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateSeptember 29, 2026
Filing dateSeptember 30, 2026
Shares owned after7,134
OwnershipDirect
10b5-1 planNo
AmendedNo