W Robert Musslewhite

Insider Trading: Sales

Company	Symbol	Price	Amount	Relationship	Remaining Holdings	Date	Form 4
Advisory Board Co	ABCO	$71.30	1,000	Officer, Director	6,715	2011-12-12	Filing
Advisory Board Co	ABCO	$70.47	8,000	Officer, Director	7,715	2011-12-12	Filing
Advisory Board Co	ABCO	$69.58	175	Officer, Director	6,715	2011-11-10	Filing
Advisory Board Co	ABCO	$68.57	6,825	Officer, Director	6,890	2011-11-10	Filing
Advisory Board Co	ABCO	$62.15	5,719	Officer, Director	7,249	2011-10-10	Filing
Advisory Board Co	ABCO	$61.34	1,281	Officer, Director	12,968	2011-10-10	Filing
Advisory Board Co	ABCO	$58.20	2,100	Officer, Director	7,249	2011-09-12	Filing
Advisory Board Co	ABCO	$57.56	3,900	Officer, Director	9,349	2011-09-12	Filing
Advisory Board Co	ABCO	$47.29	5,000	Officer, Director	2,929	2011-01-10	Filing
Advisory Board Co	ABCO	$48.06	5,000	Officer, Director	2,929	2010-12-10	Filing
Advisory Board Co	ABCO	$48.26	5,000	Officer, Director	3,199	2010-11-10	Filing
Advisory Board Co	ABCO	$45.46	5,000	Officer, Director	4,719	2010-10-11	Filing
Advisory Board Co	ABCO	$42.66	5,000	Officer, Director	4,719	2010-09-10	Filing
Advisory Board Co	ABCO	$42.01	5,000	Officer, Director	4,719	2010-08-16	Filing