Costar Group Inc. (CSGP)

Market is closed

Insider Trading: Sales

Insider	Price	Amount	Relationship	Remaining Holdings	Date	Form 4
Marples	$70.01	1,000	Officer	29,632	2012-05-11	Filing
Radecki	$70.50	60	Officer	71,461	2012-05-11	Filing
Stanfill	$70.13	11,852	Officer	80,693	2012-05-07	Filing
Stanfill	$70.57	8,000	Officer	80,693	2012-05-04	Filing
Kitchen	$70.42	17,633	Officer	26,680	2012-05-04	Filing
Radecki	$70.50	7,815	Officer	71,461	2012-05-07	Filing
Radecki	$70.78	2,711	Officer	71,461	2012-05-04	Filing
Marples	$62.69	1,000	Officer	31,238	2012-03-09	Filing
Florance	$62.93	20,000	Officer, Director	186,544	2011-11-04	Filing
Florance	$59.33	45,074	Officer, Director	206,544	2011-11-01	Filing
Marples	$68.00	1,500	Officer	16,308	2011-05-03	Filing
Kitchen	$68.45	9,267	Officer	10,872	2011-05-02	Filing
Kitchen	$68.50	3,500	Officer	20,139	2011-05-02	Filing
Stanfill	$68.17	5,198	Officer	52,074	2011-05-02	Filing
Stanfill	$68.30	5,804	Officer	57,272	2011-05-02	Filing
Marples	$57.25	1,500	Officer	15,902	2011-03-04	Filing
Klein	$50.00	500,000	Director	410,675	2010-11-11	Filing
Marples	$50.38	1,250	Officer	19,527	2010-10-26	Filing
Stanfill	$50.41	3,167	Officer	48,937	2010-10-25	Filing
Kitchen	$45.09	2,951	Officer	10,718	2010-09-14	Filing