Home > Insider Trading > Filing (0001209191-12-018574)

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		Yes	No	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	2012-03-15	16,000	$0.00	863,367	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	942,708	Indirect	By LLC
Common Stock	94,772	Indirect	By GRAT
Common Stock	94,772	Indirect	By Spouse's GRAT

Footnotes

This sale was effected pursuant to a 10b5-1 trading plan.
Shares sold as follows:300 @ 90.3200600 @ 90.33001000 @ 90.34001400 @ 90.3500190 @ 90.3600200 @ 90.3700400 @ 90.3800300 @ 90.3900500 @ 90.4200500 @ 90.4500315 @ 90.4507400 @ 90.4600400 @ 90.4700100 @ 90.4900300 @ 90.5100400 @ 90.5104200 @ 90.5105100 @ 90.5150100 @ 90.5200100 @ 90.5275200 @ 90.5300100 @ 90.5350200 @ 90.5500300 @ 90.5505200 @ 90.5600100 @ 90.5700300 @ 90.5710300 @ 90.5800200 @ 90.5900100 @ 90.6000100 @ 90.6150100 @ 90.6250100 @ 90.6300100 @ 90.7000295 @ 90.7100100 @ 90.7200362 @ 90.730038 @ 90.7400100 @ 90.79504900 @ 90.8200