Costco Wholesale Corp W (COST)

Market is closed

Insider Trading: Sales

Insider	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
Petterson Other	$62.77	1,875	$117,698.06	33,065	2010-10-20	Filing
Sinegal Officer, Director	$0.00	325,000	$0.00	424,248	2010-10-18	Filing
Petterson Other	$0.00	7,500	$0.00	36,250	2010-10-15	Filing
Zook Officer	$0.00	7,000	$0.00	70,025	2010-10-12	Filing
Sinegal Officer, Director	$0.00	8,000	$0.00	708,825	2010-10-12	Filing
Walker Officer	$0.00	43,000	$0.00	217,165	2010-10-08	Filing
Mckay Officer	$0.00	37,500	$0.00	42,820	2010-10-08	Filing
Libenson Director	$0.00	48,000	$0.00	6,000	2010-10-08	Filing
Sinegal Officer, Director	$0.00	8,000	$0.00	716,825	2010-09-17	Filing
Galanti Officer, Director	$56.75	2,177	$123,544.75	53,303	2010-07-30	Filing
Galanti Officer, Director	$0.00	15,000	$0.00	55,480	2010-07-30	Filing
Mckay Officer	$0.00	20,000	$0.00	42,820	2010-07-28	Filing
Schutt Officer	$0.00	12,000	$0.00	69,088	2010-07-27	Filing
Schutt Officer	$0.00	7,185	$0.00	69,088	2010-07-27	Filing
Brotman Officer, Director	$55.38	50,000	$2,769,170.00	736,703	2010-07-23	Filing
Brotman Officer, Director	$0.00	100,000	$0.00	786,703	2010-07-14	Filing
Carson Director	$0.00	12,000	$0.00	13,500	2010-06-21	Filing
Ruckelshaus Director	$0.00	12,000	$0.00	15,566	2010-06-21	Filing
Sinegal Officer, Director	$57.55	8,000	$460,400.00	701,897	2010-05-14	Filing
Portera Officer	$0.00	15,000	$0.00	69,289	2010-04-30	Filing