Costar Group Inc. (CSGP)

Market is closed

Insider Trading: Sales

Insider	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
Florance Officer, Director	$80.10	56,448	$4,521,484.80	309,199	2012-08-01	Filing
Marples Officer	$84.98	1,000	$84,980.00	28,632	2012-07-30	Filing
Nassetta Director	$77.71	1,473	$114,466.83	16,932	2012-06-11	Filing
Radecki Officer	$71.75	4,509	$323,520.75	65,699	2012-05-23	Filing
Radecki Officer	$71.50	1,253	$89,589.50	70,208	2012-05-22	Filing
Radecki Officer	$71.00	19,500	$1,384,500.00	71,461	2012-05-22	Filing
Florance Officer, Director	$70.08	27,745	$1,944,369.60	319,199	2012-05-17	Filing
Marples Officer	$70.01	1,000	$70,010.00	29,632	2012-05-11	Filing
Radecki Officer	$70.50	60	$4,230.00	71,461	2012-05-11	Filing
Stanfill Officer	$70.13	11,852	$831,180.76	80,693	2012-05-07	Filing
Stanfill Officer	$70.57	8,000	$564,560.00	80,693	2012-05-04	Filing
Kitchen Officer	$70.42	17,633	$1,241,715.86	26,680	2012-05-04	Filing
Radecki Officer	$70.50	7,815	$550,957.50	71,461	2012-05-07	Filing
Radecki Officer	$70.78	2,711	$191,884.58	71,461	2012-05-04	Filing
Marples Officer	$62.69	1,000	$62,690.00	31,238	2012-03-09	Filing
Florance Officer, Director	$62.93	20,000	$1,258,600.00	186,544	2011-11-04	Filing
Florance Officer, Director	$59.33	45,074	$2,674,240.42	206,544	2011-11-01	Filing
Marples Officer	$68.00	1,500	$102,000.00	16,308	2011-05-03	Filing
Kitchen Officer	$68.45	9,267	$634,326.15	10,872	2011-05-02	Filing
Kitchen Officer	$68.50	3,500	$239,750.00	20,139	2011-05-02	Filing