Costar Group Inc. (CSGP)

Market is closed

Insider Trading: Sales

Insider	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
Stanfill Officer	$68.17	5,198	$354,347.66	52,074	2011-05-02	Filing
Stanfill Officer	$68.30	5,804	$396,413.20	57,272	2011-05-02	Filing
Marples Officer	$57.25	1,500	$85,875.00	15,902	2011-03-04	Filing
Klein Director	$50.00	500,000	$25,000,000.00	410,675	2010-11-11	Filing
Marples Officer	$50.38	1,250	$62,975.00	19,527	2010-10-26	Filing
Stanfill Officer	$50.41	3,167	$159,648.47	48,937	2010-10-25	Filing
Kitchen Officer	$45.09	2,951	$133,060.59	10,718	2010-09-14	Filing
Florance Officer, Director	$44.66	9,883	$441,374.78	222,477	2010-08-09	Filing
Florance Officer, Director	$44.08	3,855	$169,928.40	222,477	2010-08-05	Filing
Florance Officer, Director	$44.35	8,725	$386,953.75	222,477	2010-08-04	Filing
Marples Officer	$45.00	200	$9,000.00	20,818	2010-04-29	Filing
Marples Officer	$45.01	3,800	$171,038.00	21,018	2010-04-27	Filing
Florance Officer, Director	$39.34	3,600	$141,624.00	208,321	2009-10-29	Filing
Florance Officer, Director	$39.76	8,000	$318,080.00	211,921	2009-10-28	Filing
Florance Officer, Director	$40.56	22,000	$892,320.00	219,921	2009-10-27	Filing
Florance Officer, Director	$41.03	12,940	$530,928.20	219,921	2009-10-27	Filing
Marples Officer	$39.99	570	$22,794.30	23,026	2009-09-16	Filing