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General | Insiders | Insider Transactions | Monthly Overview | Weekly Overview

Overview of all insider trading transactions in COSTCO WHOLESALE CORP /NEW. Get notifications about new insider transactions in COSTCO WHOLESALE CORP /NEW for free.

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Date	Ticker	Company	Owner	Relationship	Transaction	Code	Cost ($)	Shares	Transaction Value ($)	Total Shares	% Holdings
Mar 21 2007	COST	COSTCO WHOLESALE C ...	BROTMAN JEFFREY H	Chairman of the Boa ...	Sell	S	52.91	25,000	1,322,625	130,225	155.2 K to 130.2 K (-16.11 %)
Mar 21 2007	COST	COSTCO WHOLESALE C ...	BROTMAN JEFFREY H	Chairman of the Boa ...	Sell	S	52.92	25,000	1,322,875	155,225	180.2 K to 155.2 K (-13.87 %)
Mar 21 2007	COST	COSTCO WHOLESALE C ...	BROTMAN JEFFREY H	Chairman of the Boa ...	Sell	S	52.96	25,000	1,323,875	180,225	205.2 K to 180.2 K (-12.18 %)
Mar 21 2007	COST	COSTCO WHOLESALE C ...	BROTMAN JEFFREY H	Chairman of the Boa ...	Sell	S	53.00	25,000	1,325,000	205,225	230.2 K to 205.2 K (-10.86 %)
Mar 21 2007	COST	COSTCO WHOLESALE C ...	BROTMAN JEFFREY H	Chairman of the Boa ...	Sell	S	53.21	50,000	2,660,625	230,225	280.2 K to 230.2 K (-17.84 %)
Mar 21 2007	COST	COSTCO WHOLESALE C ...	BROTMAN JEFFREY H	Chairman of the Boa ...	Sell	S	53.26	50,000	2,662,750	280,225	330.2 K to 280.2 K (-15.14 %)
Mar 21 2007	COST	COSTCO WHOLESALE C ...	BROTMAN JEFFREY H	Chairman of the Boa ...	Buy	M	13.44	200,000	2,687,500	330,225	130.2 K to 330.2 K (+153.58 %)
Mar 20 2007	COST	COSTCO WHOLESALE C ...	MEISENBACH JOHN W	Director	Option Exercise	M	14.06	16,000	225,000	0
Mar 20 2007	COST	COSTCO WHOLESALE C ...	MEISENBACH JOHN W	Director	Sell	S	53.46	4,000	213,840	4,500	8.5 K to 4.5 K (-47.06 %)
Mar 20 2007	COST	COSTCO WHOLESALE C ...	MEISENBACH JOHN W	Director	Sell	S	53.41	1,100	58,751	8,500	9.6 K to 8.5 K (-11.46 %)
Mar 20 2007	COST	COSTCO WHOLESALE C ...	MEISENBACH JOHN W	Director	Sell	S	53.40	2,900	154,860	9,600	12.5 K to 9.6 K (-23.20 %)
Mar 20 2007	COST	COSTCO WHOLESALE C ...	MEISENBACH JOHN W	Director	Sell	S	53.47	508	27,163	12,500	13 K to 12.5 K (-3.91 %)
Mar 20 2007	COST	COSTCO WHOLESALE C ...	MEISENBACH JOHN W	Director	Sell	S	53.46	3,492	186,682	13,008	16.5 K to 13 K (-21.16 %)
Mar 20 2007	COST	COSTCO WHOLESALE C ...	MEISENBACH JOHN W	Director	Sell	S	53.20	100	5,320	16,500	16.6 K to 16.5 K (-0.60 %)
Mar 20 2007	COST	COSTCO WHOLESALE C ...	MEISENBACH JOHN W	Director	Sell	S	53.19	3,900	207,441	16,600	20.5 K to 16.6 K (-19.02 %)
Mar 20 2007	COST	COSTCO WHOLESALE C ...	MEISENBACH JOHN W	Director	Buy	M	14.06	16,000	225,000	20,500	4.5 K to 20.5 K (+355.56 %)
Mar 15 2007	COST	COSTCO WHOLESALE C ...	MUNGER CHARLES T	Director	Option Exercise	M	14.06	16,000	225,000	0
Mar 15 2007	COST	COSTCO WHOLESALE C ...	MUNGER CHARLES T	Director	Buy	M	14.06	16,000	225,000	172,268	156.3 K to 172.3 K (+10.24 %)
Feb 20 2007	COST	COSTCO WHOLESALE C ...	DICERCHIO RICHARD D	Senior Executive VP	Option Exercise	M	22.88	84,000	1,921,500	0
Feb 20 2007	COST	COSTCO WHOLESALE C ...	DICERCHIO RICHARD D	Senior Executive VP	Sell	S	57.78	84,000	4,853,344	106,805	190.8 K to 106.8 K (-44.02 %)
Feb 20 2007	COST	COSTCO WHOLESALE C ...	DICERCHIO RICHARD D	Senior Executive VP	Buy	M	22.88	84,000	1,921,500	190,805	106.8 K to 190.8 K (+78.65 %)
Mar 15 2007	COST	COSTCO WHOLESALE C ...	MEISENBACH JOHN W	Director	Sell	S	52.46	1,500	78,690	133,500	135 K to 133.5 K (-1.11 %)
Feb 15 2007	COST	COSTCO WHOLESALE C ...	MEISENBACH JOHN W	Director	Sell	S	56.89	1,500	85,335	135,000	136.5 K to 135 K (-1.10 %)
Feb 13 2007	COST	COSTCO WHOLESALE C ...	JELINEK W CRAIG	Executive VP	Option Exercise	M	13.44	54,500	732,344	0
Feb 13 2007	COST	COSTCO WHOLESALE C ...	JELINEK W CRAIG	Executive VP	Sell	S	56.40	54,500	3,073,800	60,914	115.4 K to 60.9 K (-47.22 %)
Feb 13 2007	COST	COSTCO WHOLESALE C ...	JELINEK W CRAIG	Executive VP	Buy	M	13.44	54,500	732,344	115,414	60.9 K to 115.4 K (+89.47 %)
Feb 13 2007	COST	COSTCO WHOLESALE C ...	WALKER THOMAS KIRK	Executive VP	Option Exercise	M	33.75	24,000	810,000	24,000
Feb 13 2007	COST	COSTCO WHOLESALE C ...	WALKER THOMAS KIRK	Executive VP	Option Exercise	M	38.79	24,000	930,960	0
Feb 13 2007	COST	COSTCO WHOLESALE C ...	WALKER THOMAS KIRK	Executive VP	Sell	S	55.82	48,000	2,679,581	188,519	236.5 K to 188.5 K (-20.29 %)
Feb 13 2007	COST	COSTCO WHOLESALE C ...	WALKER THOMAS KIRK	Executive VP	Buy	M	38.79	24,000	930,960	236,519	212.5 K to 236.5 K (+11.29 %)
Feb 13 2007	COST	COSTCO WHOLESALE C ...	WALKER THOMAS KIRK	Executive VP	Buy	M	33.75	24,000	810,000	212,519	188.5 K to 212.5 K (+12.73 %)
Feb 16 2007	COST	COSTCO WHOLESALE C ...	PETTERSON DAVID S		Option Exercise	M	43.00	10,000	430,000	20,000
Feb 16 2007	COST	COSTCO WHOLESALE C ...	PETTERSON DAVID S		Sell	S	57.91	5,500	318,505	18,750	24.3 K to 18.8 K (-22.68 %)
Feb 16 2007	COST	COSTCO WHOLESALE C ...	PETTERSON DAVID S		Sell	S	57.92	3,176	183,954	24,250	27.4 K to 24.3 K (-11.58 %)
Feb 16 2007	COST	COSTCO WHOLESALE C ...	PETTERSON DAVID S		Sell	S	57.90	1,324	76,660	27,426	28.8 K to 27.4 K (-4.61 %)
Feb 16 2007	COST	COSTCO WHOLESALE C ...	PETTERSON DAVID S		Buy	M	43.00	10,000	430,000	28,750	18.8 K to 28.8 K (+53.33 %)
Feb 05 2007	COST	COSTCO WHOLESALE C ...	JELINEK W CRAIG	Executive VP	Option Exercise	M	13.44	15,500	208,281	54,500
Feb 05 2007	COST	COSTCO WHOLESALE C ...	JELINEK W CRAIG	Executive VP	Sell	S	56.25	300	16,875	60,914	61.2 K to 60.9 K (-0.49 %)
Feb 05 2007	COST	COSTCO WHOLESALE C ...	JELINEK W CRAIG	Executive VP	Sell	S	56.26	100	5,626	61,214	61.3 K to 61.2 K (-0.16 %)
Feb 05 2007	COST	COSTCO WHOLESALE C ...	JELINEK W CRAIG	Executive VP	Sell	S	56.32	2,300	129,536	61,314	63.6 K to 61.3 K (-3.62 %)
Feb 05 2007	COST	COSTCO WHOLESALE C ...	JELINEK W CRAIG	Executive VP	Sell	S	56.34	2,800	157,752	63,614	66.4 K to 63.6 K (-4.22 %)
Feb 05 2007	COST	COSTCO WHOLESALE C ...	JELINEK W CRAIG	Executive VP	Sell	S	56.39	10,000	563,900	66,414	76.4 K to 66.4 K (-13.09 %)
Feb 05 2007	COST	COSTCO WHOLESALE C ...	JELINEK W CRAIG	Executive VP	Buy	M	13.44	15,500	208,281	76,414	60.9 K to 76.4 K (+25.45 %)
Jan 19 2007	COST	COSTCO WHOLESALE C ...	PETTERSON DAVID S		Option Exercise	M	37.35	7,500	280,125	22,500
Jan 19 2007	COST	COSTCO WHOLESALE C ...	PETTERSON DAVID S		Sell	S	57.00	7,500	427,500	18,750	26.3 K to 18.8 K (-28.57 %)
Jan 19 2007	COST	COSTCO WHOLESALE C ...	PETTERSON DAVID S		Buy	M	37.35	7,500	280,125	26,250	18.8 K to 26.3 K (+40.00 %)
Jan 17 2007	COST	COSTCO WHOLESALE C ...	MEISENBACH JOHN W	Director	Sell	S	55.76	1,500	83,640	136,500	138 K to 136.5 K (-1.09 %)
Jan 12 2007	COST	COSTCO WHOLESALE C ...	SCHUTT DOUGLAS W	Executive VP	Option Exercise	M	34.28	94,000	3,222,320	0
Jan 12 2007	COST	COSTCO WHOLESALE C ...	SCHUTT DOUGLAS W	Executive VP	Option Exercise	M	34.74	64,000	2,223,360	0
Jan 12 2007	COST	COSTCO WHOLESALE C ...	SCHUTT DOUGLAS W	Executive VP	Sell	S	53.95	133,000	7,175,350	38,500	171.5 K to 38.5 K (-77.55 %)
Jan 12 2007	COST	COSTCO WHOLESALE C ...	SCHUTT DOUGLAS W	Executive VP	Sell	S	53.97	25,000	1,349,250	171,500	196.5 K to 171.5 K (-12.72 %)
Jan 12 2007	COST	COSTCO WHOLESALE C ...	SCHUTT DOUGLAS W	Executive VP	Buy	M	34.74	64,000	2,223,360	196,500	132.5 K to 196.5 K (+48.30 %)
Jan 12 2007	COST	COSTCO WHOLESALE C ...	SCHUTT DOUGLAS W	Executive VP	Buy	M	34.28	94,000	3,222,320	132,500	38.5 K to 132.5 K (+244.16 %)
Jan 10 2007	COST	COSTCO WHOLESALE C ...	PETTERSON DAVID S		Option Exercise	M	39.25	10,000	392,500	7,500
Jan 10 2007	COST	COSTCO WHOLESALE C ...	PETTERSON DAVID S		Sell	S	54.00	10,000	540,000	18,750	28.8 K to 18.8 K (-34.78 %)
Jan 10 2007	COST	COSTCO WHOLESALE C ...	PETTERSON DAVID S		Buy	M	39.25	10,000	392,500	28,750	18.8 K to 28.8 K (+53.33 %)
Jan 12 2007	COST	COSTCO WHOLESALE C ...	GALANTI RICHARD A	Executive VP and CF ...	Option Exercise	M	22.88	20,000	457,500	0
Jan 12 2007	COST	COSTCO WHOLESALE C ...	GALANTI RICHARD A	Executive VP and CF ...	Sell	S	55.26	9,532	526,738	18,962	28.5 K to 19 K (-33.45 %)
Jan 12 2007	COST	COSTCO WHOLESALE C ...	GALANTI RICHARD A	Executive VP and CF ...	Sell	S	55.28	2,540	140,411	28,494	31 K to 28.5 K (-8.18 %)
Jan 12 2007	COST	COSTCO WHOLESALE C ...	GALANTI RICHARD A	Executive VP and CF ...	Sell	S	55.30	7,928	438,418	31,034	39 K to 31 K (-20.35 %)
Jan 12 2007	COST	COSTCO WHOLESALE C ...	GALANTI RICHARD A	Executive VP and CF ...	Buy	M	22.88	20,000	457,500	38,962	19 K to 39 K (+105.47 %)
Nov 16 2006	COST	COSTCO WHOLESALE C ...	ZOOK DENNIS R	Executive VP	Grant	A	0.00	25	0	37,525	37.5 K to 37.5 K (+0.07 %)
Dec 18 2006	COST	COSTCO WHOLESALE C ...	MEISENBACH JOHN W	Director	Sell	S	54.40	1,500	81,600	138,000	139.5 K to 138 K (-1.08 %)
Nov 15 2006	COST	COSTCO WHOLESALE C ...	MEISENBACH JOHN W	Director	Sell	S	52.40	1,500	78,600	139,500	141 K to 139.5 K (-1.06 %)
Nov 01 2006	COST	COSTCO WHOLESALE C ...	LIBENSON RICHARD M	Director	Grant	A	0.00	25	0	43,803	43.8 K to 43.8 K (+0.06 %)
Oct 26 2006	COST	COSTCO WHOLESALE C ...	PETTERSON DAVID S		Option Exercise	M	34.28	7,500	257,100	0
Oct 26 2006	COST	COSTCO WHOLESALE C ...	PETTERSON DAVID S		Sell	S	53.15	4,364	231,947	18,750	23.1 K to 18.8 K (-18.88 %)
Oct 26 2006	COST	COSTCO WHOLESALE C ...	PETTERSON DAVID S		Sell	S	53.16	2,624	139,492	23,114	25.7 K to 23.1 K (-10.20 %)
Oct 26 2006	COST	COSTCO WHOLESALE C ...	PETTERSON DAVID S		Sell	S	53.17	512	27,223	25,738	26.3 K to 25.7 K (-1.95 %)
Oct 26 2006	COST	COSTCO WHOLESALE C ...	PETTERSON DAVID S		Buy	M	34.28	7,500	257,100	26,250	18.8 K to 26.3 K (+40.00 %)
Oct 27 2006	COST	COSTCO WHOLESALE C ...	BROTMAN JEFFREY H	Chairman of the Boa ...	Sell	S	53.04	20,000	1,060,800	1,811,703	1.8 M to 1.8 M (-1.09 %)
Oct 27 2006	COST	COSTCO WHOLESALE C ...	BROTMAN JEFFREY H	Chairman of the Boa ...	Sell	S	53.01	10,000	530,100	1,831,703	1.8 M to 1.8 M (-0.54 %)
Oct 27 2006	COST	COSTCO WHOLESALE C ...	BROTMAN JEFFREY H	Chairman of the Boa ...	Sell	S	52.95	10,000	529,500	1,841,703	1.9 M to 1.8 M (-0.54 %)
Oct 27 2006	COST	COSTCO WHOLESALE C ...	BROTMAN JEFFREY H	Chairman of the Boa ...	Sell	S	52.65	5,000	263,250	1,851,703	1.9 M to 1.9 M (-0.27 %)
Oct 27 2006	COST	COSTCO WHOLESALE C ...	BROTMAN JEFFREY H	Chairman of the Boa ...	Sell	S	52.65	5,000	263,250	1,856,703	1.9 M to 1.9 M (-0.27 %)
Oct 23 2006	COST	COSTCO WHOLESALE C ...	BROTMAN JEFFREY H	Chairman of the Boa ...	Sell	S	52.26	25,000	1,306,375	1,861,703	1.9 M to 1.9 M (-1.33 %)
Oct 23 2006	COST	COSTCO WHOLESALE C ...	BROTMAN JEFFREY H	Chairman of the Boa ...	Sell	S	52.29	25,000	1,307,250	1,886,703	1.9 M to 1.9 M (-1.31 %)
Oct 23 2006	COST	COSTCO WHOLESALE C ...	ZOOK DENNIS R	Executive VP	Grant	A	0.00	25,000	0	37,500	12.5 K to 37.5 K (+200.00 %)
Oct 23 2006	COST	COSTCO WHOLESALE C ...	BROTMAN JEFFREY H	Chairman of the Boa ...	Sell	S	51.75	50,000	2,587,500	1,911,703	2 M to 1.9 M (-2.55 %)
Oct 23 2006	COST	COSTCO WHOLESALE C ...	WALKER THOMAS KIRK	Executive VP	Grant	A	0.00	25,000	0	188,894	163.9 K to 188.9 K (+15.25 %)
Oct 23 2006	COST	COSTCO WHOLESALE C ...	SCHUTT DOUGLAS W	Executive VP	Grant	A	0.00	25,000	0	38,500	13.5 K to 38.5 K (+185.19 %)
Oct 23 2006	COST	COSTCO WHOLESALE C ...	PETTERSON DAVID S		Grant	A	0.00	12,500	0	18,750	6.3 K to 18.8 K (+200.00 %)
Oct 23 2006	COST	COSTCO WHOLESALE C ...	RUCKELSHAUS JILL S	Director	Grant	A	0.00	3,000	0	6,566	3.6 K to 6.6 K (+84.13 %)
Oct 23 2006	COST	COSTCO WHOLESALE C ...	MUNGER CHARLES T	Director	Grant	A	0.00	3,000	0	156,268	153.3 K to 156.3 K (+1.96 %)
Oct 23 2006	COST	COSTCO WHOLESALE C ...	MOULTON PAUL G	Executive VP	Grant	A	0.00	25,000	0	37,900	12.9 K to 37.9 K (+193.80 %)
Oct 23 2006	COST	COSTCO WHOLESALE C ...	MEISENBACH JOHN W	Director	Grant	A	0.00	3,000	0	4,500	1.5 K to 4.5 K (+200.00 %)
Oct 23 2006	COST	COSTCO WHOLESALE C ...	JAMES HAMILTON E	Director	Grant	A	0.00	3,000	0	20,120	17.1 K to 20.1 K (+17.52 %)
Oct 23 2006	COST	COSTCO WHOLESALE C ...	LIBENSON RICHARD M	Director	Grant	A	0.00	3,000	0	43,780	40.8 K to 43.8 K (+7.36 %)
Oct 23 2006	COST	COSTCO WHOLESALE C ...	GATES WILLIAM H II	Director	Grant	A	0.00	3,000	0	7,500	4.5 K to 7.5 K (+66.67 %)
Oct 23 2006	COST	COSTCO WHOLESALE C ...	EVANS DANIEL J	Director	Grant	A	0.00	3,000	0	9,500	6.5 K to 9.5 K (+46.15 %)
Oct 23 2006	COST	COSTCO WHOLESALE C ...	DECKER SUSAN L	Director	Grant	A	0.00	3,000	0	14,500	11.5 K to 14.5 K (+26.09 %)
Oct 23 2006	COST	COSTCO WHOLESALE C ...	CARSON BENJAMIN SR	Director	Grant	A	0.00	3,000	0	4,500	1.5 K to 4.5 K (+200.00 %)
Oct 19 2006	COST	COSTCO WHOLESALE C ...	SINEGAL JAMES D	President and CEO	Grant	A	0.00	25,000	0	573,481	548.5 K to 573.5 K (+4.56 %)
Oct 19 2006	COST	COSTCO WHOLESALE C ...	PORTERA JOSEPH P	Executive VP	Grant	A	0.00	12,500	0	12,500	0 to 12.5 K
Oct 19 2006	COST	COSTCO WHOLESALE C ...	GALANTI RICHARD A	Executive VP and CF ...	Grant	A	0.00	12,500	0	22,962	10.5 K to 23 K (+119.48 %)
Oct 19 2006	COST	COSTCO WHOLESALE C ...	JELINEK W CRAIG	Executive VP	Grant	A	0.00	12,500	0	60,914	48.4 K to 60.9 K (+25.82 %)
Oct 19 2006	COST	COSTCO WHOLESALE C ...	DICERCHIO RICHARD D	Senior Executive VP	Grant	A	0.00	15,000	0	108,535	93.5 K to 108.5 K (+16.04 %)
Oct 18 2006	COST	COSTCO WHOLESALE C ...	GALANTI RICHARD A	Executive VP and CF ...	Option Exercise	M	22.88	40,000	915,000	20,000
Oct 18 2006	COST	COSTCO WHOLESALE C ...	GALANTI RICHARD A	Executive VP and CF ...	Sell	S	52.95	5,000	264,750	10,462	15.5 K to 10.5 K (-32.34 %)
Oct 18 2006	COST	COSTCO WHOLESALE C ...	GALANTI RICHARD A	Executive VP and CF ...	Sell	S	52.96	1,400	74,144	15,462	16.9 K to 15.5 K (-8.30 %)
Oct 18 2006	COST	COSTCO WHOLESALE C ...	GALANTI RICHARD A	Executive VP and CF ...	Sell	S	52.98	3,300	174,834	16,862	20.2 K to 16.9 K (-16.37 %)
Oct 18 2006	COST	COSTCO WHOLESALE C ...	GALANTI RICHARD A	Executive VP and CF ...	Sell	S	52.99	13,800	731,262	20,162	34 K to 20.2 K (-40.63 %)
Oct 18 2006	COST	COSTCO WHOLESALE C ...	GALANTI RICHARD A	Executive VP and CF ...	Sell	S	53.00	300	15,900	33,962	34.3 K to 34 K (-0.88 %)
Oct 18 2006	COST	COSTCO WHOLESALE C ...	GALANTI RICHARD A	Executive VP and CF ...	Sell	S	53.01	4,800	254,448	34,262	39.1 K to 34.3 K (-12.29 %)
Oct 18 2006	COST	COSTCO WHOLESALE C ...	GALANTI RICHARD A	Executive VP and CF ...	Sell	S	53.02	1,600	84,832	39,062	40.7 K to 39.1 K (-3.93 %)
Oct 18 2006	COST	COSTCO WHOLESALE C ...	GALANTI RICHARD A	Executive VP and CF ...	Sell	S	53.03	2,400	127,272	40,662	43.1 K to 40.7 K (-5.57 %)
Oct 18 2006	COST	COSTCO WHOLESALE C ...	GALANTI RICHARD A	Executive VP and CF ...	Sell	S	53.05	3,600	190,980	43,062	46.7 K to 43.1 K (-7.72 %)
Oct 18 2006	COST	COSTCO WHOLESALE C ...	GALANTI RICHARD A	Executive VP and CF ...	Sell	S	53.07	3,800	201,666	46,662	50.5 K to 46.7 K (-7.53 %)
Oct 18 2006	COST	COSTCO WHOLESALE C ...	GALANTI RICHARD A	Executive VP and CF ...	Buy	M	22.88	40,000	915,000	50,462	10.5 K to 50.5 K (+382.34 %)
Oct 18 2006	COST	COSTCO WHOLESALE C ...	MOULTON PAUL G	Executive VP	Option Exercise	M	43.00	75,000	3,225,000	0
Oct 18 2006	COST	COSTCO WHOLESALE C ...	MOULTON PAUL G	Executive VP	Sell	S	52.33	25,000	1,308,250	12,900	37.9 K to 12.9 K (-65.96 %)
Oct 18 2006	COST	COSTCO WHOLESALE C ...	MOULTON PAUL G	Executive VP	Sell	S	52.35	50,000	2,617,500	37,900	87.9 K to 37.9 K (-56.88 %)
Oct 18 2006	COST	COSTCO WHOLESALE C ...	MOULTON PAUL G	Executive VP	Buy	M	43.00	75,000	3,225,000	87,900	12.9 K to 87.9 K (+581.40 %)
Oct 17 2006	COST	COSTCO WHOLESALE C ...	MEISENBACH JOHN W	Director	Sell	S	52.94	1,500	79,410	141,000	142.5 K to 141 K (-1.05 %)
Oct 17 2006	COST	COSTCO WHOLESALE C ...	SINEGAL JAMES D	President and CEO	Sell	S	0.00	200,000	0	548,481	748.5 K to 548.5 K (-26.72 %)
Oct 17 2006	COST	COSTCO WHOLESALE C ...	ZOOK DENNIS R	Executive VP	Option Exercise	M	34.28	15,000	514,200	0
Oct 17 2006	COST	COSTCO WHOLESALE C ...	ZOOK DENNIS R	Executive VP	Sell	S	53.32	15,000	799,800	12,500	27.5 K to 12.5 K (-54.55 %)
Oct 17 2006	COST	COSTCO WHOLESALE C ...	ZOOK DENNIS R	Executive VP	Buy	M	34.28	15,000	514,200	27,500	12.5 K to 27.5 K (+120.00 %)
Oct 17 2006	COST	COSTCO WHOLESALE C ...	PETTERSON DAVID S		Option Exercise	M	30.41	7,500	228,075	15,000
Oct 17 2006	COST	COSTCO WHOLESALE C ...	PETTERSON DAVID S		Sell	S	53.31	300	15,993	6,250	6.6 K to 6.3 K (-4.58 %)
Oct 17 2006	COST	COSTCO WHOLESALE C ...	PETTERSON DAVID S		Sell	S	53.32	100	5,332	6,550	6.7 K to 6.6 K (-1.50 %)
Oct 17 2006	COST	COSTCO WHOLESALE C ...	PETTERSON DAVID S		Sell	S	53.33	600	31,998	6,650	7.3 K to 6.7 K (-8.28 %)
Oct 17 2006	COST	COSTCO WHOLESALE C ...	PETTERSON DAVID S		Sell	S	53.34	6,500	346,710	7,250	13.8 K to 7.3 K (-47.27 %)
Oct 17 2006	COST	COSTCO WHOLESALE C ...	PETTERSON DAVID S		Buy	M	30.41	7,500	228,075	13,750	6.3 K to 13.8 K (+120.00 %)
Sep 18 2006	COST	COSTCO WHOLESALE C ...	MEISENBACH JOHN W	Director	Sell	S	50.56	1,500	75,840	142,500	144 K to 142.5 K (-1.04 %)
Aug 23 2006	COST	COSTCO WHOLESALE C ...	BROTMAN JEFFREY H	Chairman of the Boa ...	Sell	J	0.00	100,000	0	1,961,703	2.1 M to 2 M (-4.85 %)
Aug 23 2006	COST	COSTCO WHOLESALE C ...	BROTMAN JEFFREY H	Chairman of the Boa ...	Buy	J	51.95	100,000	5,195,000	134,025	34 K to 134 K (+293.90 %)
Sep 14 2006	COST	COSTCO WHOLESALE C ...	EVANS DANIEL J	Director	Buy	P	49.55	2,000	99,100	6,500	4.5 K to 6.5 K (+44.44 %)
Jul 18 2006	COST	COSTCO WHOLESALE C ...	MEISENBACH JOHN W	Director	Sell	S	53.49	1,500	80,235	145,500	147 K to 145.5 K (-1.02 %)
Aug 17 2006	COST	COSTCO WHOLESALE C ...	MEISENBACH JOHN W	Director	Sell	S	52.40	1,500	78,600	144,000	145.5 K to 144 K (-1.03 %)
Jun 15 2006	COST	COSTCO WHOLESALE C ...	MEISENBACH JOHN W	Director	Sell	S	53.06	2,250	119,385	147,000	149.3 K to 147 K (-1.51 %)
Jun 12 2006	COST	COSTCO WHOLESALE C ...	ZOOK DENNIS R	Executive VP	Grant	A	0.00	12,500	0	12,500	0 to 12.5 K
Jun 12 2006	COST	COSTCO WHOLESALE C ...	DECKER SUSAN L	Director	Grant	A	0.00	1,500	0	11,500	10 K to 11.5 K (+15.00 %)
Jun 12 2006	COST	COSTCO WHOLESALE C ...	WALKER THOMAS KIRK	Executive VP	Grant	A	0.00	12,500	0	164,259	151.8 K to 164.3 K (+8.24 %)
Jun 12 2006	COST	COSTCO WHOLESALE C ...	SCHUTT DOUGLAS W	Executive VP	Grant	A	0.00	12,500	0	13,500	1,000 to 13.5 K (+1,250.00 %)
Jun 12 2006	COST	COSTCO WHOLESALE C ...	RUCKELSHAUS JILL S	Director	Grant	A	0.00	1,500	0	3,566	2.1 K to 3.6 K (+72.60 %)
Jun 12 2006	COST	COSTCO WHOLESALE C ...	PETTERSON DAVID S		Grant	A	0.00	6,250	0	6,250	0 to 6.3 K
Jun 12 2006	COST	COSTCO WHOLESALE C ...	MOULTON PAUL G	Executive VP	Grant	A	0.00	12,500	0	12,800	300 to 12.8 K (+4,166.67 %)
Jun 12 2006	COST	COSTCO WHOLESALE C ...	MUNGER CHARLES T	Director	Grant	A	0.00	1,500	0	153,268	151.8 K to 153.3 K (+0.99 %)
Jun 12 2006	COST	COSTCO WHOLESALE C ...	MEISENBACH JOHN W	Director	Grant	A	0.00	1,500	0	1,500	0 to 1.5 K
Jun 12 2006	COST	COSTCO WHOLESALE C ...	LIBENSON RICHARD M	Director	Grant	A	0.00	1,500	0	40,780	39.3 K to 40.8 K (+3.82 %)
Jun 12 2006	COST	COSTCO WHOLESALE C ...	JAMES HAMILTON E	Director	Grant	A	0.00	1,500	0	17,120	15.6 K to 17.1 K (+9.60 %)
Jun 12 2006	COST	COSTCO WHOLESALE C ...	GATES WILLIAM H II	Director	Grant	A	0.00	1,500	0	4,500	3 K to 4.5 K (+50.00 %)
Jun 12 2006	COST	COSTCO WHOLESALE C ...	EVANS DANIEL J	Director	Grant	A	0.00	1,500	0	4,500	3 K to 4.5 K (+50.00 %)
Jun 12 2006	COST	COSTCO WHOLESALE C ...	CARSON BENJAMIN SR	Director	Grant	A	0.00	1,500	0	1,500	0 to 1.5 K
Jun 12 2006	COST	COSTCO WHOLESALE C ...	BROTMAN JEFFREY H	Chairman of the Boa ...	Grant	A	0.00	25,000	0	90,325	65.3 K to 90.3 K (+38.27 %)
May 18 2006	COST	COSTCO WHOLESALE C ...	MEISENBACH JOHN W	Director	Sell	S	54.50	750	40,875	149,250	150 K to 149.3 K (-0.50 %)
Apr 28 2006	COST	COSTCO WHOLESALE C ...	GALANTI RICHARD A	Executive VP and CF ...	Option Exercise	M	22.88	20,000	457,500	60,000
Apr 28 2006	COST	COSTCO WHOLESALE C ...	GALANTI RICHARD A	Executive VP and CF ...	Sell	S	54.38	20,000	1,087,592	10,462	30.5 K to 10.5 K (-65.66 %)
Apr 28 2006	COST	COSTCO WHOLESALE C ...	GALANTI RICHARD A	Executive VP and CF ...	Buy	M	22.88	20,000	457,500	30,462	10.5 K to 30.5 K (+191.17 %)

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