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Musslewhite Robert W Insider Trading

Get the latest insider transactions of Musslewhite Robert W. Musslewhite Robert W is Director in COSTAR GROUP, INC. ($CSGP) and Chief Executive Officer in ADVISORY BOARD CO ($ABCO) and Executive Vice President in ADVISORY BOARD CO ($ABCO). Discover the current value of Musslewhite Robert W shares.

Address: 2445 M STREET, NW WASHINGTON 20037DC

Musslewhite Robert W is Insider in these Companies

Ticker	Company Name	Current and Previous Positions	Total Shares	Current Value ($)
ABCO	ADVISORY BOARD CO	Chief Executive Officer, Executive Vice President	0	0.00
CSGP	COSTAR GROUP, INC.	Director	214	43,741.60

Insider Trading Transactions of Musslewhite Robert W

Date	Ticker	Company	Owner	Relationship	Transaction	Cost ($)	Shares	Transaction Value ($)	Total Shares
Sep 25 2020	CSGP	COSTAR GROUP, INC.	Musslewhite Robert W	Director	Buy	0.00	214	0	214
Nov 21 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	0.00	19,929	0	0
Nov 21 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	0.00	193,801	0	0
Nov 21 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	0.00	44,220	0	0
Nov 21 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	0.00	6,848	0	0
Nov 21 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	0.00	14,552	0	0
Nov 21 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	24.23	44,220	1,071,451	0
Nov 21 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	43.83	37,708	1,652,742	0
Nov 21 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	47.87	46,508	2,226,338	0
Nov 21 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	47.87	46,508	2,226,338	0
Nov 21 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	57.83	57,612	3,331,702	0
Nov 21 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	53.42	85,224	4,552,666	0
Nov 21 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	28.20	139,900	3,945,180	0
Nov 21 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	28.20	152,552	4,301,966	0
Nov 21 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	46.95	57,752	2,711,456	0
Nov 21 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	51.43	353,892	18,200,666	0
Apr 20 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	0.00	8,554	0	274,843
Apr 20 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	46.95	4,354	204,420	270,489
Apr 20 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	0.00	8,554	0	0
Apr 12 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	0.00	7,276	0	262,587
Apr 12 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	47.50	2,576	122,360	260,011
Apr 12 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	43.83	37,708	1,652,742	297,719
Apr 12 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	47.50	35,853	1,703,018	261,866
Apr 12 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	16.58	11,000	182,380	272,866
Apr 12 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	47.44	9,420	446,885	263,446
Apr 12 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	47.70	1,580	75,366	261,866
Apr 12 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	0.00	6,848	0	268,714
Apr 12 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	47.50	2,425	115,188	266,289
Apr 12 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	0.00	7,276	0	14,552
Apr 12 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	0.00	6,848	0	6,848
Apr 12 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	43.83	37,708	1,652,742	0
Apr 12 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	16.58	11,000	182,380	0
Mar 30 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	46.95	57,750	2,711,363	57,750
Feb 15 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	16.58	5,500	91,190	260,811
Feb 15 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	47.24	5,500	259,820	255,311
Feb 15 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	16.58	5,500	91,190	11,000
Jan 11 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	16.58	5,500	91,190	260,811
Jan 11 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	35.76	5,500	196,680	255,311
Jan 11 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	16.58	5,500	91,190	16,500
Dec 14 2016	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	16.58	3,773	62,556	259,084
Dec 14 2016	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	33.91	3,773	127,942	255,311
Dec 14 2016	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	16.58	1,727	28,634	257,038
Dec 14 2016	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	33.79	1,727	58,355	255,311
Dec 14 2016	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	16.58	3,773	62,556	23,727
Dec 14 2016	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	16.58	1,727	28,634	22,000
Nov 16 2016	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	16.58	5,500	91,190	260,811
Nov 16 2016	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	32.88	5,500	180,840	255,311
Nov 16 2016	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	16.58	5,500	91,190	27,500
Oct 12 2016	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	16.58	5,500	91,190	260,811
Oct 12 2016	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	43.89	5,500	241,395	255,311
Oct 12 2016	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	16.58	5,500	91,190	33,000
Sep 14 2016	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	16.58	5,500	91,190	260,811
Sep 14 2016	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	43.09	5,500	236,995	255,311
Sep 14 2016	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	16.58	5,500	91,190	38,500
May 12 2016	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	0.00	7,276	0	259,015
May 12 2016	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	33.57	3,704	124,343	255,311
May 12 2016	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	0.00	7,276	0	21,828
Apr 19 2016	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	0.00	8,898	0	252,069
Apr 19 2016	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	33.05	4,530	149,717	247,539
Apr 19 2016	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	0.00	8,554	0	256,093
Apr 19 2016	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	32.37	4,354	140,939	251,739
Apr 19 2016	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	0.00	8,554	0	8,554
Apr 12 2016	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	0.00	6,848	0	246,657
Apr 12 2016	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	31.48	3,486	109,739	243,171
Apr 12 2016	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	0.00	6,848	0	13,696
Mar 04 2016	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	28.20	139,900	3,945,180	139,900
Mar 04 2016	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	28.20	152,552	4,301,966	152,552
Mar 01 2016	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	24.23	44,220	1,071,451	119,809
Mar 01 2016	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	9.26	120,000	1,111,200	239,809
Sep 03 2015	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	48.29	5,170	249,659	75,589
Aug 11 2015	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	46.85	2,120	99,322	70,419
May 13 2015	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	0.00	6,848	0	71,789
May 13 2015	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	48.28	3,490	168,497	68,299
May 13 2015	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	0.00	6,848	0	20,544
Apr 21 2015	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	0.00	8,898	0	64,122
Apr 21 2015	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	52.31	3,376	176,599	60,746
Apr 21 2015	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	0.00	8,898	0	8,898
Apr 21 2015	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	0.00	8,554	0	69,300
Apr 21 2015	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	52.31	4,359	228,019	64,941
Apr 21 2015	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	0.00	8,554	0	17,108
Apr 17 2015	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	0.00	10,834	0	59,161
Apr 17 2015	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	54.00	3,937	212,598	55,224
Apr 14 2015	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	53.42	85,224	4,552,666	85,224
Apr 14 2015	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	0.00	29,104	0	29,104
May 20 2014	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	0.00	8,554	0	52,686
May 20 2014	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	50.46	4,359	219,955	48,327
May 20 2014	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	0.00	8,554	0	25,662
Apr 29 2014	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	0.00	11,000	0	49,737
Apr 29 2014	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	57.58	5,605	322,736	44,132
Apr 21 2014	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	0.00	8,898	0	43,271
Apr 21 2014	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	60.46	4,534	274,126	38,737
Apr 21 2014	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	0.00	8,898	0	17,796
Apr 17 2014	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	0.00	10,834	0	39,893
Apr 17 2014	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	59.72	5,520	329,654	34,373
Apr 17 2014	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	0.00	10,834	0	10,834
Apr 15 2014	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	57.83	57,612	3,331,702	57,612
Apr 15 2014	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	0.00	27,392	0	27,392
Mar 24 2014	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	22.38	10,000	223,800	39,059
Mar 24 2014	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	68.52	2,877	197,132	36,182
Mar 24 2014	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	69.26	7,123	493,339	29,059
Feb 24 2014	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	22.38	10,000	223,800	39,059
Feb 24 2014	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	63.94	9,400	601,036	29,659
Feb 24 2014	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	64.43	600	38,658	29,059
Feb 24 2014	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	22.38	10,000	223,800	10,000
Jan 23 2014	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	22.38	10,000	223,800	40,806
Jan 23 2014	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	61.79	10,000	617,900	30,806
Jan 23 2014	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	22.38	10,000	223,800	20,000
Dec 20 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	22.38	10,000	223,800	40,806
Dec 20 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	62.05	7,218	447,877	33,588
Dec 20 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	62.68	2,782	174,376	30,806
Dec 20 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	22.38	10,000	223,800	30,000
Nov 22 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	22.38	23,204	519,306	54,010
Nov 22 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	60.70	23,104	1,402,413	30,906
Nov 22 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	61.18	100	6,118	30,806
Nov 22 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	22.38	23,204	519,306	40,000
Oct 28 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	0.00	2,886	0	30,806
Oct 23 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	22.38	23,205	519,328	56,897
Oct 23 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	67.84	20,600	1,397,504	36,297
Oct 23 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	68.19	2,605	177,635	33,692
Oct 23 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	22.38	23,205	519,328	63,204
Sep 24 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	22.38	23,205	519,328	56,897
Sep 24 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	59.65	23,205	1,384,178	33,692
Sep 24 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	22.38	23,205	519,328	86,409
Aug 22 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	22.38	10,000	223,800	43,692
Aug 22 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	56.19	4,131	232,121	39,561
Aug 22 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	56.57	5,869	332,009	33,692
Aug 22 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	22.38	10,000	223,800	109,614
Jul 23 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	22.38	10,000	223,800	43,692
Jul 23 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	55.26	10,000	552,600	33,692
Jul 23 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	22.38	10,000	223,800	119,614
Jul 16 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	0.00	1,747	0	33,692
Jun 17 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	22.38	10,000	223,800	45,439
Jun 17 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	52.80	9,465	499,752	35,974
Jun 17 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	53.12	535	28,419	35,439
Jun 17 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	22.38	10,000	223,800	129,614
May 21 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	0.00	8,898	0	39,973
May 21 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	49.96	4,534	226,519	35,439
May 21 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	17.53	12,000	210,360	47,439
May 21 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	50.14	12,000	601,680	35,439
May 21 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	0.00	8,898	0	26,694
May 01 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	0.00	11,000	0	36,680
May 01 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	47.15	5,605	264,276	31,075
May 01 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	0.00	11,000	0	11,000
Apr 22 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	47.87	46,508	2,226,338	46,508
Apr 22 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	47.87	46,508	2,226,338	46,508
Apr 22 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	0.00	34,216	0	34,216
Apr 17 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	0.00	10,834	0	31,200
Apr 17 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	51.66	5,520	285,163	25,680
Apr 17 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	0.00	10,834	0	21,668
Apr 12 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	17.53	12,000	210,360	32,366
Apr 12 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	50.84	2,700	137,268	29,666
Apr 12 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	51.92	8,714	452,431	20,952
Apr 12 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	52.44	586	30,730	20,366
Apr 12 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	17.53	12,000	210,360	12,000
Mar 22 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	22.38	10,000	223,800	30,366
Mar 22 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	49.76	10,000	497,600	20,366
Mar 22 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	22.38	10,000	223,800	139,614
Feb 22 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	22.38	10,000	223,800	30,366
Feb 22 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	50.18	10,000	501,800	20,366
Feb 22 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	22.38	10,000	223,800	149,614
Jan 24 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	22.38	10,000	223,800	30,366
Jan 24 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	52.57	10,000	525,700	20,366
Jan 24 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	22.38	10,000	223,800	159,614
Dec 20 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	0.00	8,267	0	20,366
Dec 20 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	22.38	10,000	223,800	30,366
Dec 20 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	49.15	9,800	481,670	20,566
Dec 20 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	49.65	200	9,930	20,366
Dec 20 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	22.38	10,000	223,800	169,614
Nov 21 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	22.38	9,334	208,895	37,967
Nov 21 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	16.58	666	11,042	38,633
Nov 21 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	43.38	10,000	433,800	28,633
Nov 21 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	22.38	9,334	208,895	179,614
Nov 07 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	0.00	322	0	28,633
Oct 29 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	0.00	215	0	28,955
Oct 24 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	16.58	10,000	165,800	39,170
Oct 24 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	46.02	10,000	460,200	29,170
Oct 24 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	16.58	10,000	165,800	666
Sep 21 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	16.58	10,000	165,800	39,170
Sep 21 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	46.90	10,000	469,000	29,170
Sep 21 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	16.58	10,000	165,800	10,666
Aug 22 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	16.58	10,000	165,800	39,170
Aug 22 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	40.31	9,000	362,790	30,170
Aug 22 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	41.09	1,000	41,090	29,170
Aug 22 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	16.58	10,000	165,800	20,666
Jul 24 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	16.58	6,000	99,480	35,170
Jul 24 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	17.22	4,000	68,880	39,170
Jul 24 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	46.47	5,300	246,291	33,870
Jul 24 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	47.37	4,400	208,428	29,470
Jul 24 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	48.15	300	14,445	29,170
Jul 24 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	16.58	6,000	99,480	30,666
Jul 03 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	0.00	312	0	29,170
Jun 22 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	9.26	10,000	92,600	39,482
Jun 22 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	49.61	10,000	496,100	29,482
May 23 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	18.52	5,000	92,600	19,741
May 23 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	94.28	4,800	452,544	14,941
May 23 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	94.66	200	18,932	14,741
May 23 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	18.52	5,000	92,600	5,000
May 16 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	44.76	5,000	223,800	16,610
May 16 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	93.02	5,000	465,100	11,610
May 16 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	0.00	5,417	0	17,027
May 16 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	94.14	2,286	215,204	14,741
May 16 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	44.76	5,000	223,800	94,474
May 16 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	0.00	5,417	0	16,251
May 01 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	0.00	5,500	0	13,931
May 01 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	91.48	2,321	212,325	11,610
May 01 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	0.00	5,500	0	11,000
Apr 23 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	18.52	5,000	92,600	13,431
Apr 23 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	89.70	4,810	431,457	8,621
Apr 23 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	90.28	190	17,153	8,431
Apr 23 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	18.52	5,000	92,600	10,000
Apr 19 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	0.00	286	0	8,431
Apr 19 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	87.66	18,854	1,652,742	18,854
Apr 19 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	87.66	18,854	1,652,742	18,854
Apr 19 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	0.00	17,796	0	17,796
Apr 12 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	18.52	2,000	37,040	11,092
Apr 12 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	86.20	1,900	163,780	9,192
Apr 12 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	87.66	100	8,766	9,092
Apr 12 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	86.52	375	32,445	8,717
Apr 12 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	18.52	2,000	37,040	15,000
Apr 04 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	0.00	6,702	0	11,921
Apr 04 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	88.62	2,159	191,331	9,762
Mar 14 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	18.52	7,000	129,640	12,593
Mar 14 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	40.50	2,000	81,000	14,593
Mar 14 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	83.48	9,000	751,320	5,593
Mar 14 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	83.98	374	31,409	5,219
Mar 14 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	18.52	7,000	129,640	17,000
Feb 23 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	33.16	3,667	121,598	9,260
Feb 23 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	76.80	3,667	281,626	5,593
Feb 23 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	33.16	3,667	121,598	7,333
Feb 14 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	18.52	7,000	129,640	12,967
Feb 14 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	40.50	2,000	81,000	14,967
Feb 14 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	72.72	9,000	654,480	5,967
Feb 14 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	73.29	374	27,410	5,593
Feb 14 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	18.52	7,000	129,640	24,000
Feb 14 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	40.50	2,000	81,000	2,000
Jan 12 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	18.52	7,000	129,640	13,341
Jan 12 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	40.50	2,000	81,000	15,341
Jan 12 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	73.99	9,000	665,910	6,341
Jan 12 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	74.25	374	27,770	5,967
Jan 12 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	18.52	7,000	129,640	31,000
Jan 12 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	40.50	2,000	81,000	4,000
Dec 14 2011	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	18.52	7,000	129,640	13,715
Dec 14 2011	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	39.45	1,000	39,450	14,715
Dec 14 2011	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	40.50	1,000	40,500	15,715
Dec 14 2011	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	70.47	8,000	563,760	7,715
Dec 14 2011	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	71.30	1,000	71,300	6,715
Dec 14 2011	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Sell	71.47	374	26,730	6,341
Dec 14 2011	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	18.52	7,000	129,640	38,000
Dec 14 2011	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Option Exercise	40.50	1,000	40,500	6,000
Nov 14 2011	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Offic ...	Buy	18.52	5,000	92,600	11,715