|
Form
|
|
(Filer)
|
Received
(
Period
)
|
| SC 13G/A |
 |
COSTAR GROUP INC (BLACKROCK INC.) |
02/09/10 |
| SC 13G/A |
|
COSTAR GROUP INC(TIMESSQUARE CAPITAL MANAGEMENT, LLC) |
02/09/10 |
| 8-K |
|
COSTAR GROUP INC |
02/08/10 (02/02/10) |
| SC 13G/A |
|
COSTAR GROUP INC(BAMCO INC /NY/) |
02/04/10 |
| SC 13G |
|
COSTAR GROUP INC(BLACKROCK INC.) |
01/29/10 |
| 4 |
|
COSTAR GROUP INC(STANFILL JOHN L) |
12/15/09 (12/12/09) |
| 4 |
|
COSTAR GROUP INC(NASSETTA CHRISTOPHER J) |
12/08/09 (09/03/09) |
| 4 |
|
COSTAR GROUP INC(LOW JOSIAH O III) |
12/08/09 (09/03/09) |
| 4 |
|
COSTAR GROUP INC(KLEIN MICHAEL R) |
12/08/09 (09/03/09) |
| 4 |
|
COSTAR GROUP INC(HABER WARREN H) |
12/08/09 (09/03/09) |
| 4 |
|
COSTAR GROUP INC(GLOSSERMAN MICHAEL J) |
12/08/09 (09/03/09) |
| 4 |
|
COSTAR GROUP INC(BONDERMAN DAVID) |
12/08/09 (09/03/09) |
| 4 |
|
COSTAR GROUP INC(STANFILL JOHN L) |
12/08/09 (12/06/09) |
| 8-K |
|
COSTAR GROUP INC |
11/20/09 (11/18/09) |
| 10-Q |
|
COSTAR GROUP INC |
11/04/09 (09/30/09) |
| 4 |
|
COSTAR GROUP INC(FLORANCE ANDREW C) |
10/29/09 (10/27/09) |
| 8-K |
|
COSTAR GROUP INC |
10/22/09 (10/21/09) |
| 8-K |
|
COSTAR GROUP INC |
10/20/09 (10/19/09) |
| 4 |
|
COSTAR GROUP INC(MARPLES PAUL) |
09/17/09 (09/16/09) |
| 4 |
|
COSTAR GROUP INC(RADECKI BRIAN J) |
09/09/09 (09/07/09) |