Claudine Adamo, Costco Wholesale tax withholding

President, SEC Form 4, filed on October 26, 2026
Claudine Adamo: all transactions
SEC filingCOST insider historyCOST stock page
−692 sharesnet change in holding. Not an open-market purchase or sale
Transaction date
October 22, 2026
Shares held after
6,442Direct ownership
Change in holding
−9.70%From the transactions in the filing
Filing rows
5None is a purchase or sale

Price context

COST daily close, Apr 27 to October 26, 2026
$1,094.32$893.74
Daily close
Grants, options, tax
Transaction price
Not reportedNot an open-market trade
Close on trade date
$1,018.21October 22, 2026
Latest close
$1,005.16October 26, 2026
Since the trade
−1.28%vs the close on trade date

Transactions in the filing

DateTransactionSecuritySharesPriceAmountAfter
Tax withholding
Common stockDirect
97
$1,018.21
$98,707
7,037
Tax withholding
Common stockDirect
198
$1,018.21
$201,900
6,838
Tax withholding
Common stockDirect
177
$1,018.21
$180,282
6,661
Tax withholding
Common stockDirect
111
$1,018.21
$112,988
6,550
Tax withholding
Common stockDirect
109
$1,018.21
$110,585
6,442

Recent filings at Costco Wholesale

Full history
PersonTransactionAmount or sharesDate
Roland Michael VachrisCEO
Tax withholdingGrant
+10,317 shares
Gary MillerchipPresident
Tax withholdingGrant
+4,509 shares
James C. KlauerPresident
Tax withholding
−2,101 shares
Tiffany Marie Barbre
Tax withholdingGrant
+1,428 shares
Sarah Catherine GeorgePresident
Tax withholding
−260 shares
Hamilton E. JamesDirector
Grant
+266 shares
Sarah Mr Sally JewellDirector
Grant
+266 shares
Jeffrey S. RaikesDirector
Grant
+266 shares