Robert W Musslewhite Insider Trading Transactions

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General | Insider Transactions | Monthly Overview

Get the latest insider transactions of Robert W Musslewhite. Robert W Musslewhite 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).

Latest Insider Trading Transactions of Robert W Musslewhite

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Value of Purchases ($)	0	0	0	0	0	0	0
No. of Sales	0	0	0	0	0	0	0
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Sentiment: All, ABCO, CSGP

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Date	Ticker	Company	Owner	Relationship	Transaction	Code	Cost ($)	Shares	Transaction Value ($)	Total Shares	% Holdings
Sep 25 2020	CSGP	COSTAR GROUP, INC.	Musslewhite Robert W	Director	Grant	A	0.00	214	0	214	0 to 214
Nov 21 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	D	51.43	353,892	18,200,666	0
Nov 21 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	D	46.95	57,752	2,711,456	0
Nov 21 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	D	28.20	152,552	4,301,966	0
Nov 21 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	D	28.20	139,900	3,945,180	0
Nov 21 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	D	53.42	85,224	4,552,666	0
Nov 21 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	D	57.83	57,612	3,331,702	0
Nov 21 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	D	47.87	46,508	2,226,338	0
Nov 21 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	D	47.87	46,508	2,226,338	0
Nov 21 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	D	43.83	37,708	1,652,742	0
Nov 21 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	D	24.23	44,220	1,071,451	0
Nov 21 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	D	0.00	14,552	0	0
Nov 21 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	D	0.00	6,848	0	0
Nov 21 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	D	0.00	44,220	0	0	44.2 K to 0 (-100.00 %)
Nov 21 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	D	0.00	193,801	0	0	193.8 K to 0 (-100.00 %)
Nov 21 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	D	0.00	19,929	0	0	19.9 K to 0 (-100.00 %)
Apr 20 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	0.00	8,554	0	0
Apr 20 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Payment of Exercise	F	46.95	4,354	204,420	270,489	274.8 K to 270.5 K (-1.58 %)
Apr 20 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	0.00	8,554	0	274,843	266.3 K to 274.8 K (+3.21 %)
Apr 12 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	16.58	11,000	182,380	0
Apr 12 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	43.83	37,708	1,652,742	0
Apr 12 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	0.00	6,848	0	6,848
Apr 12 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	0.00	7,276	0	14,552
Apr 12 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Payment of Exercise	F	47.50	2,425	115,188	266,289	268.7 K to 266.3 K (-0.90 %)
Apr 12 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	0.00	6,848	0	268,714	261.9 K to 268.7 K (+2.62 %)
Apr 12 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	47.70	1,580	75,366	261,866	263.4 K to 261.9 K (-0.60 %)
Apr 12 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	47.44	9,420	446,885	263,446	272.9 K to 263.4 K (-3.45 %)
Apr 12 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	16.58	11,000	182,380	272,866	261.9 K to 272.9 K (+4.20 %)
Apr 12 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Payment of Exercise	F	47.50	35,853	1,703,018	261,866	297.7 K to 261.9 K (-12.04 %)
Apr 12 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	43.83	37,708	1,652,742	297,719	260 K to 297.7 K (+14.50 %)
Apr 12 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Payment of Exercise	F	47.50	2,576	122,360	260,011	262.6 K to 260 K (-0.98 %)
Apr 12 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	0.00	7,276	0	262,587	255.3 K to 262.6 K (+2.85 %)
Mar 30 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	A	46.95	57,750	2,711,363	57,750
Feb 15 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	16.58	5,500	91,190	11,000
Feb 15 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	47.24	5,500	259,820	255,311	260.8 K to 255.3 K (-2.11 %)
Feb 15 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	16.58	5,500	91,190	260,811	255.3 K to 260.8 K (+2.15 %)
Jan 11 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	16.58	5,500	91,190	16,500
Jan 11 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	35.76	5,500	196,680	255,311	260.8 K to 255.3 K (-2.11 %)
Jan 11 2017	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	16.58	5,500	91,190	260,811	255.3 K to 260.8 K (+2.15 %)
Dec 14 2016	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	16.58	1,727	28,634	22,000
Dec 14 2016	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	16.58	3,773	62,556	23,727
Dec 14 2016	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	33.79	1,727	58,355	255,311	257 K to 255.3 K (-0.67 %)
Dec 14 2016	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	16.58	1,727	28,634	257,038	255.3 K to 257 K (+0.68 %)
Dec 14 2016	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	33.91	3,773	127,942	255,311	259.1 K to 255.3 K (-1.46 %)
Dec 14 2016	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	16.58	3,773	62,556	259,084	255.3 K to 259.1 K (+1.48 %)
Nov 16 2016	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	16.58	5,500	91,190	27,500
Nov 16 2016	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	32.88	5,500	180,840	255,311	260.8 K to 255.3 K (-2.11 %)
Nov 16 2016	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	16.58	5,500	91,190	260,811	255.3 K to 260.8 K (+2.15 %)
Oct 12 2016	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	16.58	5,500	91,190	33,000
Oct 12 2016	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	43.89	5,500	241,395	255,311	260.8 K to 255.3 K (-2.11 %)
Oct 12 2016	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	16.58	5,500	91,190	260,811	255.3 K to 260.8 K (+2.15 %)
Sep 14 2016	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	16.58	5,500	91,190	38,500
Sep 14 2016	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	43.09	5,500	236,995	255,311	260.8 K to 255.3 K (-2.11 %)
Sep 14 2016	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	16.58	5,500	91,190	260,811	255.3 K to 260.8 K (+2.15 %)
May 12 2016	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	0.00	7,276	0	21,828
May 12 2016	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Payment of Exercise	F	33.57	3,704	124,343	255,311	259 K to 255.3 K (-1.43 %)
May 12 2016	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	0.00	7,276	0	259,015	251.7 K to 259 K (+2.89 %)
Mar 04 2016	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	A	28.20	152,552	4,301,966	152,552
Mar 04 2016	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	A	28.20	139,900	3,945,180	139,900
Mar 01 2016	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	9.26	120,000	1,111,200	239,809	119.8 K to 239.8 K (+100.16 %)
Mar 01 2016	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	24.23	44,220	1,071,451	119,809	75.6 K to 119.8 K (+58.50 %)
Apr 19 2016	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	0.00	8,554	0	8,554
Apr 19 2016	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Payment of Exercise	F	32.37	4,354	140,939	251,739	256.1 K to 251.7 K (-1.70 %)
Apr 19 2016	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	0.00	8,554	0	256,093	247.5 K to 256.1 K (+3.46 %)
Apr 19 2016	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Payment of Exercise	F	33.05	4,530	149,717	247,539	252.1 K to 247.5 K (-1.80 %)
Apr 19 2016	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	0.00	8,898	0	252,069	243.2 K to 252.1 K (+3.66 %)
Apr 12 2016	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	0.00	6,848	0	13,696
Apr 12 2016	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Payment of Exercise	F	31.48	3,486	109,739	243,171	246.7 K to 243.2 K (-1.41 %)
Apr 12 2016	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	0.00	6,848	0	246,657	239.8 K to 246.7 K (+2.86 %)
Sep 03 2015	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	P	48.29	5,170	249,659	75,589	70.4 K to 75.6 K (+7.34 %)
Aug 11 2015	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	P	46.85	2,120	99,322	70,419	68.3 K to 70.4 K (+3.10 %)
May 13 2015	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	0.00	6,848	0	20,544
May 13 2015	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Payment of Exercise	F	48.28	3,490	168,497	68,299	71.8 K to 68.3 K (-4.86 %)
May 13 2015	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	0.00	6,848	0	71,789	64.9 K to 71.8 K (+10.54 %)
Apr 21 2015	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	0.00	8,554	0	17,108
Apr 21 2015	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Payment of Exercise	F	52.31	4,359	228,019	64,941	69.3 K to 64.9 K (-6.29 %)
Apr 21 2015	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	0.00	8,554	0	69,300	60.7 K to 69.3 K (+14.08 %)
Apr 21 2015	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	0.00	8,898	0	8,898
Apr 21 2015	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Payment of Exercise	F	52.31	3,376	176,599	60,746	64.1 K to 60.7 K (-5.26 %)
Apr 21 2015	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	0.00	8,898	0	64,122	55.2 K to 64.1 K (+16.11 %)
Apr 17 2015	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Payment of Exercise	F	54.00	3,937	212,598	55,224	59.2 K to 55.2 K (-6.65 %)
Apr 17 2015	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	0.00	10,834	0	59,161	48.3 K to 59.2 K (+22.42 %)
Apr 14 2015	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	A	0.00	29,104	0	29,104
Apr 14 2015	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	A	53.42	85,224	4,552,666	85,224
May 20 2014	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	0.00	8,554	0	25,662
May 20 2014	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Payment of Exercise	F	50.46	4,359	219,955	48,327	52.7 K to 48.3 K (-8.27 %)
May 20 2014	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	0.00	8,554	0	52,686	44.1 K to 52.7 K (+19.38 %)
Apr 29 2014	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Payment of Exercise	F	57.58	5,605	322,736	44,132	49.7 K to 44.1 K (-11.27 %)
Apr 29 2014	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	0.00	11,000	0	49,737	38.7 K to 49.7 K (+28.40 %)
Apr 21 2014	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	0.00	8,898	0	17,796
Apr 21 2014	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Payment of Exercise	F	60.46	4,534	274,126	38,737	43.3 K to 38.7 K (-10.48 %)
Apr 21 2014	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	0.00	8,898	0	43,271	34.4 K to 43.3 K (+25.89 %)
Apr 17 2014	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	0.00	10,834	0	10,834
Apr 17 2014	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Payment of Exercise	F	59.72	5,520	329,654	34,373	39.9 K to 34.4 K (-13.84 %)
Apr 17 2014	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	0.00	10,834	0	39,893	29.1 K to 39.9 K (+37.28 %)
Apr 15 2014	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	A	0.00	27,392	0	27,392
Apr 15 2014	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	A	57.83	57,612	3,331,702	57,612
Mar 24 2014	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	69.26	7,123	493,339	29,059	36.2 K to 29.1 K (-19.69 %)
Mar 24 2014	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	68.52	2,877	197,132	36,182	39.1 K to 36.2 K (-7.37 %)
Mar 24 2014	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	22.38	10,000	223,800	39,059	29.1 K to 39.1 K (+34.41 %)
Feb 24 2014	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	22.38	10,000	223,800	10,000
Feb 24 2014	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	64.43	600	38,658	29,059	29.7 K to 29.1 K (-2.02 %)
Feb 24 2014	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	63.94	9,400	601,036	29,659	39.1 K to 29.7 K (-24.07 %)
Feb 24 2014	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	22.38	10,000	223,800	39,059	29.1 K to 39.1 K (+34.41 %)
Jan 23 2014	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	22.38	10,000	223,800	20,000
Jan 23 2014	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	61.79	10,000	617,900	30,806	40.8 K to 30.8 K (-24.51 %)
Jan 23 2014	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	22.38	10,000	223,800	40,806	30.8 K to 40.8 K (+32.46 %)
Dec 20 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	22.38	10,000	223,800	30,000
Dec 20 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	62.68	2,782	174,376	30,806	33.6 K to 30.8 K (-8.28 %)
Dec 20 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	62.05	7,218	447,877	33,588	40.8 K to 33.6 K (-17.69 %)
Dec 20 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	22.38	10,000	223,800	40,806	30.8 K to 40.8 K (+32.46 %)
Nov 22 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	22.38	23,204	519,306	40,000
Nov 22 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	61.18	100	6,118	30,806	30.9 K to 30.8 K (-0.32 %)
Nov 22 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	60.70	23,104	1,402,413	30,906	54 K to 30.9 K (-42.78 %)
Nov 22 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	22.38	23,204	519,306	54,010	30.8 K to 54 K (+75.32 %)
Oct 28 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Gift	G	0.00	2,886	0	30,806	33.7 K to 30.8 K (-8.57 %)
Oct 23 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	22.38	23,205	519,328	63,204
Oct 23 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	68.19	2,605	177,635	33,692	36.3 K to 33.7 K (-7.18 %)
Oct 23 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	67.84	20,600	1,397,504	36,297	56.9 K to 36.3 K (-36.21 %)
Oct 23 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	22.38	23,205	519,328	56,897	33.7 K to 56.9 K (+68.87 %)
Sep 24 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	22.38	23,205	519,328	86,409
Sep 24 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	59.65	23,205	1,384,178	33,692	56.9 K to 33.7 K (-40.78 %)
Sep 24 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	22.38	23,205	519,328	56,897	33.7 K to 56.9 K (+68.87 %)
Aug 22 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	22.38	10,000	223,800	109,614
Aug 22 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	56.57	5,869	332,009	33,692	39.6 K to 33.7 K (-14.84 %)
Aug 22 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	56.19	4,131	232,121	39,561	43.7 K to 39.6 K (-9.45 %)
Aug 22 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	22.38	10,000	223,800	43,692	33.7 K to 43.7 K (+29.68 %)
Jul 23 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	22.38	10,000	223,800	119,614
Jul 23 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	55.26	10,000	552,600	33,692	43.7 K to 33.7 K (-22.89 %)
Jul 23 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	22.38	10,000	223,800	43,692	33.7 K to 43.7 K (+29.68 %)
Jul 16 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Gift	G	0.00	1,747	0	33,692	35.4 K to 33.7 K (-4.93 %)
Jun 17 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	22.38	10,000	223,800	129,614
Jun 17 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	53.12	535	28,419	35,439	36 K to 35.4 K (-1.49 %)
Jun 17 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	52.80	9,465	499,752	35,974	45.4 K to 36 K (-20.83 %)
Jun 17 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	22.38	10,000	223,800	45,439	35.4 K to 45.4 K (+28.22 %)
May 21 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	0.00	8,898	0	26,694
May 21 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	50.14	12,000	601,680	35,439	47.4 K to 35.4 K (-25.30 %)
May 21 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	17.53	12,000	210,360	47,439	35.4 K to 47.4 K (+33.86 %)
May 21 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Payment of Exercise	F	49.96	4,534	226,519	35,439	40 K to 35.4 K (-11.34 %)
May 21 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	0.00	8,898	0	39,973	31.1 K to 40 K (+28.63 %)
May 01 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	0.00	11,000	0	11,000
May 01 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Payment of Exercise	F	47.15	5,605	264,276	31,075	36.7 K to 31.1 K (-15.28 %)
May 01 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	0.00	11,000	0	36,680	25.7 K to 36.7 K (+42.83 %)
Apr 22 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	A	0.00	34,216	0	34,216
Apr 22 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	A	47.87	46,508	2,226,338	46,508
Apr 22 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	A	47.87	46,508	2,226,338	46,508
Apr 17 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	0.00	10,834	0	21,668
Apr 17 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Payment of Exercise	F	51.66	5,520	285,163	25,680	31.2 K to 25.7 K (-17.69 %)
Apr 17 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	0.00	10,834	0	31,200	20.4 K to 31.2 K (+53.20 %)
Apr 12 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	17.53	12,000	210,360	12,000

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