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Home > Insider Trading > Filing (0001209191-10-017284)

Filing Details

Accession Number:: 0001209191-10-017284
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2010-03-16 13:00:00
Reporting Period:: 2010-03-15

Filing Date:: 2010-03-16
Accepted Time:: 2010-03-16 16:54:11
SEC Url:: Form 4 Filing

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
1184492	D Richard Dicerchio	999 Lake Drive Issaquah WA 98027	Senior Executive Vp	Yes	Yes	No	No

Reported Non-Derivative Transactions

Show Other Fields >>

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Acquisiton	2010-03-15	25,200	$33.75	200,803	No	4	M	Direct
Common Stock	Disposition	2010-03-15	25,200	$0.00	175,603	No	4	S	Direct

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

Reported Derivative Transactions

Show Other Fields >>

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Stock Option	Disposition	2010-03-15	25,200	$33.75	25,200	$33.75

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
0	2003-04-01	2013-04-01	No	4	M	Direct

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock	275	Indirect	Dana DiCerchio

Footnotes

Shares sold as follows:12400 @ 60.501334 @ 60.513100 @ 60.521766 @ 60.536249 @ 60.54351 @ 60.55