ADAMO CLAUDINE

PrivateCIK: 1916124
Location

ISSAQUAH, WA

ADAMO CLAUDINE (Executive Vice President) reported 5 transactions at COSTCO WHOLESALE CORP /NEW

Review the transaction codes below to understand the nature of each event.

InsiderADAMO CLAUDINECIK 1916124
→
Officer· Executive Vice President
Since Feb 2022
-691.86
Net shares
Net seller
$704.5K
Total sold
0
Open market trades
0B · 0S
5
Total transactions
691.86 disposed
Non-Derivative Transactions5

Common Stock

Direct
F · Tax Withholding

Shares

−96.94

Price / share

$1.02K

Trade value

$98.71K

% of position

1.4%
10/22/2026
7.13K→7.04K

Common Stock

Direct
F · Tax Withholding

Shares

−198.29

Price / share

$1.02K

Trade value

$201.90K

% of position

2.8%
10/22/2026
7.04K→6.84K

Common Stock

Direct
F · Tax Withholding

Shares

−177.06

Price / share

$1.02K

Trade value

$180.28K

% of position

2.6%
10/22/2026
6.84K→6.66K

Common Stock

Direct
F · Tax Withholding

Shares

−110.97

Price / share

$1.02K

Trade value

$112.99K

% of position

1.7%
10/22/2026
6.66K→6.55K

Common Stock

Direct
F · Tax Withholding

Shares

−108.61

Price / share

$1.02K

Trade value

$110.58K

% of position

1.7%
10/22/2026
6.55K→6.44K
Total

Net shares

−691.86

Net value

-$704.46K

Derivative Transactions0
No derivative transactions reported
ADAMO CLAUDINE — Insider Transaction (Form 4) Filed Oct 26, 2026 | Finecho