Adamo Claudine 4
4 · COSTCO WHOLESALE CORP /NEW · Filed Oct 24, 2025
Insider Transaction Report
Form 4
Adamo Claudine
Executive Vice President
Transactions
- Tax Payment
Common Stock
2025-10-22$944.68/sh−96.94$91,577→ 10,037.117 total - Tax Payment
Common Stock
2025-10-22$944.68/sh−176.66$166,887→ 9,661.767 total - Sale
Common Stock
2025-10-24$935.68/sh−2,700$2,526,336→ 6,851.197 total - Tax Payment
Common Stock
2025-10-22$944.68/sh−121.78$115,043→ 10,134.057 total - Tax Payment
Common Stock
2025-10-22$944.68/sh−198.69$187,698→ 9,838.427 total - Tax Payment
Common Stock
2025-10-22$944.68/sh−110.57$104,453→ 9,551.197 total
Footnotes (1)
- [F1]This transaction is a withholding by the Company for taxes in connection with the vesting of previously granted restricted stock units. The price represents the closing market price of Costco common stock on Nasdaq on October 22, 2025.