Home > Insider Trading > Filing (0001209191-10-002973)

Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
909832	Costco Wholesale Corp W	COST	Retail-Variety Stores (5331)	911223280

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1184948	D James Sinegal	999 Lake Drive Issaquah WA 98027	President And Ceo	Yes	Yes	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Disposition	2010-01-12	8,000	$0.00	724,797	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	S	Direct

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock	1,280,649	Indirect	By LLC
Common Stock	50,955	Indirect	By GRAT
Common Stock	50,955	Indirect	By Spouse's GRAT

Footnotes

This sale was effected pursuant to a 10b5-1 trading plan.
No. ofShares Price 100 $58.7400 100 $58.7700 200 $58.7800 100 $58.8000 400 $58.81001,000 $58.8200 200 $58.8300 300 $58.8400 200 $58.8500 300 $58.8600 200 $58.8700 300 $58.8800 100 $58.8900 100 $58.9000 200 $58.9100 200 $58.9200 200 $58.9400 100 $58.9500 200 $58.9600 100 $58.9800 200 $58.9900 600 $59.0200 300 $59.0300 200 $59.0400 200 $59.0500 200 $59.0600 400 $59.0800 200 $59.0900 200 $59.1000 100 $59.1100 100 $59.1200 200 $59.1300 100 $59.1500 100 $59.1700 100 $59.1900 100 $59.2700 100 $59.2800