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

Sentiment: All, ABCO, CSGP

Page: < prev 1 2 3 next >

Date	Ticker	Company	Owner	Relationship	Transaction	Code	Cost ($)	Shares	Transaction Value ($)	Total Shares	% Holdings
Apr 12 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	52.44	586	30,730	20,366	21 K to 20.4 K (-2.80 %)
Apr 12 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	51.92	8,714	452,431	20,952	29.7 K to 21 K (-29.37 %)
Apr 12 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	50.84	2,700	137,268	29,666	32.4 K to 29.7 K (-8.34 %)
Apr 12 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	17.53	12,000	210,360	32,366	20.4 K to 32.4 K (+58.92 %)
Mar 22 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	22.38	10,000	223,800	139,614
Mar 22 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	49.76	10,000	497,600	20,366	30.4 K to 20.4 K (-32.93 %)
Mar 22 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	22.38	10,000	223,800	30,366	20.4 K to 30.4 K (+49.10 %)
Feb 22 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	22.38	10,000	223,800	149,614
Feb 22 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	50.18	10,000	501,800	20,366	30.4 K to 20.4 K (-32.93 %)
Feb 22 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	22.38	10,000	223,800	30,366	20.4 K to 30.4 K (+49.10 %)
Jan 24 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	22.38	10,000	223,800	159,614
Jan 24 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	52.57	10,000	525,700	20,366	30.4 K to 20.4 K (-32.93 %)
Jan 24 2013	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	22.38	10,000	223,800	30,366	20.4 K to 30.4 K (+49.10 %)
Dec 20 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	22.38	10,000	223,800	169,614
Dec 20 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	49.65	200	9,930	20,366	20.6 K to 20.4 K (-0.97 %)
Dec 20 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	49.15	9,800	481,670	20,566	30.4 K to 20.6 K (-32.27 %)
Dec 20 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	22.38	10,000	223,800	30,366	20.4 K to 30.4 K (+49.10 %)
Dec 20 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Gift	G	0.00	8,267	0	20,366	28.6 K to 20.4 K (-28.87 %)
Nov 21 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	22.38	9,334	208,895	179,614
Nov 21 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	43.38	10,000	433,800	28,633	38.6 K to 28.6 K (-25.88 %)
Nov 21 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	16.58	666	11,042	38,633	38 K to 38.6 K (+1.75 %)
Nov 21 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	22.38	9,334	208,895	37,967	28.6 K to 38 K (+32.60 %)
Nov 07 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Gift	G	0.00	322	0	28,633	29 K to 28.6 K (-1.11 %)
Oct 29 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Gift	G	0.00	215	0	28,955	29.2 K to 29 K (-0.74 %)
Oct 24 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	16.58	10,000	165,800	666
Oct 24 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	46.02	10,000	460,200	29,170	39.2 K to 29.2 K (-25.53 %)
Oct 24 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	16.58	10,000	165,800	39,170	29.2 K to 39.2 K (+34.28 %)
Sep 21 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	16.58	10,000	165,800	10,666
Sep 21 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	46.90	10,000	469,000	29,170	39.2 K to 29.2 K (-25.53 %)
Sep 21 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	16.58	10,000	165,800	39,170	29.2 K to 39.2 K (+34.28 %)
Aug 22 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	16.58	10,000	165,800	20,666
Aug 22 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	41.09	1,000	41,090	29,170	30.2 K to 29.2 K (-3.31 %)
Aug 22 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	40.31	9,000	362,790	30,170	39.2 K to 30.2 K (-22.98 %)
Aug 22 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	16.58	10,000	165,800	39,170	29.2 K to 39.2 K (+34.28 %)
Jul 24 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	16.58	6,000	99,480	30,666
Jul 24 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	48.15	300	14,445	29,170	29.5 K to 29.2 K (-1.02 %)
Jul 24 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	47.37	4,400	208,428	29,470	33.9 K to 29.5 K (-12.99 %)
Jul 24 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	46.47	5,300	246,291	33,870	39.2 K to 33.9 K (-13.53 %)
Jul 24 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	17.22	4,000	68,880	39,170	35.2 K to 39.2 K (+11.37 %)
Jul 24 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	16.58	6,000	99,480	35,170	29.2 K to 35.2 K (+20.57 %)
Jul 03 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Gift	G	0.00	312	0	29,170	29.5 K to 29.2 K (-1.06 %)
Jun 22 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	49.61	10,000	496,100	29,482	39.5 K to 29.5 K (-25.33 %)
Jun 22 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	9.26	10,000	92,600	39,482	29.5 K to 39.5 K (+33.92 %)
May 23 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	18.52	5,000	92,600	5,000
May 23 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	94.66	200	18,932	14,741	14.9 K to 14.7 K (-1.34 %)
May 23 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	94.28	4,800	452,544	14,941	19.7 K to 14.9 K (-24.31 %)
May 23 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	18.52	5,000	92,600	19,741	14.7 K to 19.7 K (+33.92 %)
May 16 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	0.00	5,417	0	16,251
May 16 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	44.76	5,000	223,800	94,474
May 16 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Payment of Exercise	F	94.14	2,286	215,204	14,741	17 K to 14.7 K (-13.43 %)
May 16 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	0.00	5,417	0	17,027	11.6 K to 17 K (+46.66 %)
May 16 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	93.02	5,000	465,100	11,610	16.6 K to 11.6 K (-30.10 %)
May 16 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	44.76	5,000	223,800	16,610	11.6 K to 16.6 K (+43.07 %)
May 01 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	0.00	5,500	0	11,000
May 01 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Payment of Exercise	F	91.48	2,321	212,325	11,610	13.9 K to 11.6 K (-16.66 %)
May 01 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	0.00	5,500	0	13,931	8.4 K to 13.9 K (+65.24 %)
Apr 23 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	18.52	5,000	92,600	10,000
Apr 23 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	90.28	190	17,153	8,431	8.6 K to 8.4 K (-2.20 %)
Apr 23 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	89.70	4,810	431,457	8,621	13.4 K to 8.6 K (-35.81 %)
Apr 23 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	18.52	5,000	92,600	13,431	8.4 K to 13.4 K (+59.30 %)
Apr 19 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	A	0.00	17,796	0	17,796
Apr 19 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	A	87.66	18,854	1,652,742	18,854
Apr 19 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	A	87.66	18,854	1,652,742	18,854
Apr 19 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Gift	G	0.00	286	0	8,431	8.7 K to 8.4 K (-3.28 %)
Apr 12 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	18.52	2,000	37,040	15,000
Apr 12 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	86.52	375	32,445	8,717	9.1 K to 8.7 K (-4.12 %)
Apr 12 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	87.66	100	8,766	9,092	9.2 K to 9.1 K (-1.09 %)
Apr 12 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	86.20	1,900	163,780	9,192	11.1 K to 9.2 K (-17.13 %)
Apr 12 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	18.52	2,000	37,040	11,092	9.1 K to 11.1 K (+22.00 %)
Apr 04 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Payment of Exercise	F	88.62	2,159	191,331	9,762	11.9 K to 9.8 K (-18.11 %)
Apr 04 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	0.00	6,702	0	11,921	5.2 K to 11.9 K (+128.42 %)
Mar 14 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	18.52	7,000	129,640	17,000
Mar 14 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	83.98	374	31,409	5,219	5.6 K to 5.2 K (-6.69 %)
Mar 14 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	83.48	9,000	751,320	5,593	14.6 K to 5.6 K (-61.67 %)
Mar 14 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	40.50	2,000	81,000	14,593	12.6 K to 14.6 K (+15.88 %)
Mar 14 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	18.52	7,000	129,640	12,593	5.6 K to 12.6 K (+125.16 %)
Feb 23 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	33.16	3,667	121,598	7,333
Feb 23 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	76.80	3,667	281,626	5,593	9.3 K to 5.6 K (-39.60 %)
Feb 23 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	33.16	3,667	121,598	9,260	5.6 K to 9.3 K (+65.56 %)
Feb 14 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	40.50	2,000	81,000	2,000
Feb 14 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	18.52	7,000	129,640	24,000
Feb 14 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	73.29	374	27,410	5,593	6 K to 5.6 K (-6.27 %)
Feb 14 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	72.72	9,000	654,480	5,967	15 K to 6 K (-60.13 %)
Feb 14 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	40.50	2,000	81,000	14,967	13 K to 15 K (+15.42 %)
Feb 14 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	18.52	7,000	129,640	12,967	6 K to 13 K (+117.31 %)
Jan 12 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	40.50	2,000	81,000	4,000
Jan 12 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	18.52	7,000	129,640	31,000
Jan 12 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	74.25	374	27,770	5,967	6.3 K to 6 K (-5.90 %)
Jan 12 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	73.99	9,000	665,910	6,341	15.3 K to 6.3 K (-58.67 %)
Jan 12 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	40.50	2,000	81,000	15,341	13.3 K to 15.3 K (+14.99 %)
Jan 12 2012	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	18.52	7,000	129,640	13,341	6.3 K to 13.3 K (+110.39 %)
Dec 14 2011	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	40.50	1,000	40,500	6,000
Dec 14 2011	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	18.52	7,000	129,640	38,000
Dec 14 2011	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	71.47	374	26,730	6,341	6.7 K to 6.3 K (-5.57 %)
Dec 14 2011	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	71.30	1,000	71,300	6,715	7.7 K to 6.7 K (-12.96 %)
Dec 14 2011	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	70.47	8,000	563,760	7,715	15.7 K to 7.7 K (-50.91 %)
Dec 14 2011	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	40.50	1,000	40,500	15,715	14.7 K to 15.7 K (+6.80 %)
Dec 14 2011	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	39.45	1,000	39,450	14,715	13.7 K to 14.7 K (+7.29 %)
Dec 14 2011	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	18.52	7,000	129,640	13,715	6.7 K to 13.7 K (+104.24 %)
Nov 14 2011	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	39.45	2,000	78,900	1,000
Nov 14 2011	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	18.52	5,000	92,600	45,000
Nov 14 2011	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	69.58	175	12,177	6,715	6.9 K to 6.7 K (-2.54 %)
Nov 14 2011	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	68.57	6,825	467,990	6,890	13.7 K to 6.9 K (-49.76 %)
Nov 14 2011	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	39.45	2,000	78,900	13,715	11.7 K to 13.7 K (+17.07 %)
Nov 14 2011	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	18.52	5,000	92,600	11,715	6.7 K to 11.7 K (+74.46 %)
Oct 21 2011	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Gift	G	0.00	534	0	6,715	7.2 K to 6.7 K (-7.37 %)
Oct 12 2011	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	39.45	2,000	78,900	3,000
Oct 12 2011	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	18.52	5,000	92,600	50,000
Oct 12 2011	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	62.15	5,719	355,436	7,249	13 K to 7.2 K (-44.10 %)
Oct 12 2011	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	61.34	1,281	78,577	12,968	14.2 K to 13 K (-8.99 %)
Oct 12 2011	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	39.45	2,000	78,900	14,249	12.2 K to 14.2 K (+16.33 %)
Oct 12 2011	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	18.52	5,000	92,600	12,249	7.2 K to 12.2 K (+68.98 %)
Sep 13 2011	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	39.45	1,000	39,450	5,000
Sep 13 2011	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	18.52	5,000	92,600	55,000
Sep 13 2011	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	58.20	2,100	122,220	7,249	9.3 K to 7.2 K (-22.46 %)
Sep 13 2011	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	57.56	3,900	224,484	9,349	13.2 K to 9.3 K (-29.44 %)
Sep 13 2011	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	39.45	1,000	39,450	13,249	12.2 K to 13.2 K (+8.16 %)
Sep 13 2011	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	18.52	5,000	92,600	12,249	7.2 K to 12.2 K (+68.98 %)
May 31 2011	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	0.00	5,500	0	16,500
May 31 2011	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Payment of Exercise	F	51.67	1,771	91,508	7,249	9 K to 7.2 K (-19.63 %)
May 31 2011	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	0.00	5,500	0	9,020	3.5 K to 9 K (+156.25 %)
Apr 19 2011	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	A	0.00	21,668	0	21,668
Apr 19 2011	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	A	48.46	22,110	1,071,451	22,110
Apr 19 2011	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	A	48.46	22,110	1,071,451	22,110
Mar 09 2011	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	0.00	875	0	0
Mar 09 2011	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Payment of Exercise	F	50.60	284	14,370	3,520	3.8 K to 3.5 K (-7.47 %)
Mar 09 2011	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	0.00	875	0	3,804	2.9 K to 3.8 K (+29.87 %)
Jan 12 2011	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	18.52	5,000	92,600	60,000
Jan 12 2011	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	47.29	5,000	236,450	2,929	7.9 K to 2.9 K (-63.06 %)
Jan 12 2011	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	18.52	5,000	92,600	7,929	2.9 K to 7.9 K (+170.71 %)
Dec 14 2010	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	18.52	5,000	92,600	65,000
Dec 14 2010	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	48.06	5,000	240,300	2,929	7.9 K to 2.9 K (-63.06 %)
Dec 14 2010	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	18.52	5,000	92,600	7,929	2.9 K to 7.9 K (+170.71 %)
Nov 15 2010	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Gift	G	0.00	270	0	2,929	3.2 K to 2.9 K (-8.44 %)
Nov 12 2010	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	18.52	5,000	92,600	70,000
Nov 12 2010	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	48.26	5,000	241,300	3,199	8.2 K to 3.2 K (-60.98 %)
Nov 12 2010	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	18.52	5,000	92,600	8,199	3.2 K to 8.2 K (+156.30 %)
Oct 21 2010	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Gift	G	0.00	445	0	3,199	3.6 K to 3.2 K (-12.21 %)
Oct 21 2010	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Gift	G	0.00	1,075	0	3,644	4.7 K to 3.6 K (-22.78 %)
Oct 13 2010	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	18.52	5,000	92,600	75,000
Oct 13 2010	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	45.46	5,000	227,300	4,719	9.7 K to 4.7 K (-51.45 %)
Oct 13 2010	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	18.52	5,000	92,600	9,719	4.7 K to 9.7 K (+105.95 %)
Sep 14 2010	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	18.52	5,000	92,600	80,000
Sep 14 2010	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	42.66	5,000	213,300	4,719	9.7 K to 4.7 K (-51.45 %)
Sep 14 2010	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	18.52	5,000	92,600	9,719	4.7 K to 9.7 K (+105.95 %)
Aug 18 2010	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	M	18.52	5,000	92,600	85,000
Aug 18 2010	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Sell	S	42.01	5,000	210,050	4,719	9.7 K to 4.7 K (-51.45 %)
Aug 18 2010	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Buy	M	18.52	5,000	92,600	9,719	4.7 K to 9.7 K (+105.95 %)
Apr 29 2010	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	A	0.00	22,000	0	22,000
Apr 29 2010	ABCO	ADVISORY BOARD CO	Musslewhite Robert W	Chief Executive Off ...	Option Exercise	A	33.16	22,000	729,520	22,000

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