Adamo Claudine Insider Trades & Stock Holdings

Executive Vice President · Costco Wholesale Corporation · Latest filing Sep 29, 2026

Adamo Claudine, Executive Vice President at Costco Wholesale Corporation has 1 Form 4 trade on file since Sep 29, 2026. Open-market activity: 0 purchases ($0) and 1 sale ($2.02M), net -$2.02M. Latest filing: disposed of 2.20K shares of $COST on Sep 29, 2026 at $915.93.

Trades on file

1

Open-market bought

$0

Open-market sold

$2.02M

Net open-market

-$2.02M

Latest filing

Sep 29, 2026

All insider trades by Adamo Claudine

Date	Ticker	Type	Shares	Price	Value	Owned after	ΔOwn	1W	1M	6M	Role	Filing	Story
Sep 29, 2026	$COST	Sell (Open-market sale)	2.20K	$915.93	$2.02M			+1.2%			Executive Vice President		—

"Buy" means shares acquired on the Form 4 (including grants and option exercises); "Sell" means shares disposed. 1W / 1M / 6M = how the stock moved after the trade.

Stocks Adamo Claudine traded

• $COST

Frequently asked questions

Has Adamo Claudine been buying or selling stock?

Adamo Claudine has 0 open-market purchases and 1 open-market sale on file, net -$2.02M. Grants, option exercises and tax withholding are listed separately because they are not open-market trades.

What was Adamo Claudine's latest insider trade?

disposed of 2.20K shares of $COST on Sep 29, 2026 at $915.93.

Data comes from public SEC Form 4 and 13F filings and STOCK Act disclosures. Dates are the trade or filing date reported. This page is for research only and is not investment advice.