|
Form
|
|
(Filer)
|
Received
(
Period
)
|
| SC 13G/A |
 |
COLUMBIA BANKING SYSTEM INC (DIMENSIONAL FUND ADVISORS LP) |
02/08/10 |
| SC 13G |
|
COLUMBIA BANKING SYSTEM INC(INVESTMENT COUNSELORS OF MARYLAND LLC) |
02/05/10 |
| 8-K |
|
COLUMBIA BANKING SYSTEM INC |
02/04/10 (01/29/10) |
| 8-K |
|
COLUMBIA BANKING SYSTEM INC |
02/02/10 (01/27/10) |
| SC 13G |
|
COLUMBIA BANKING SYSTEM INC(BLACKROCK INC.) |
01/29/10 |
| 8-K |
|
COLUMBIA BANKING SYSTEM INC |
01/28/10 (01/28/10) |
| 8-K |
|
COLUMBIA BANKING SYSTEM INC |
01/28/10 (01/22/10) |
| 4/A |
|
COLUMBIA BANKING SYSTEM INC(WILL JAMES M) |
01/15/10 (07/22/09) |
| 5 |
|
COLUMBIA BANKING SYSTEM INC(SCHMINKEY GARY R) |
01/07/10 (12/31/09) |
| 5 |
|
COLUMBIA BANKING SYSTEM INC(NELSON MARK W) |
01/07/10 (12/31/09) |
| 4 |
|
COLUMBIA BANKING SYSTEM INC(ROBERTS KENT) |
01/07/10 (01/06/10) |
| 4 |
|
COLUMBIA BANKING SYSTEM INC(MCDONALD ANDY) |
01/07/10 (01/06/10) |
| 4 |
|
COLUMBIA BANKING SYSTEM INC(DRESSEL MELANIE J) |
01/07/10 (01/06/10) |
| 8-K |
|
COLUMBIA BANKING SYSTEM INC |
01/05/10 (12/29/09) |
| 4 |
|
COLUMBIA BANKING SYSTEM INC(ROBERTS KENT) |
12/30/09 (12/29/09) |
| 4 |
|
COLUMBIA BANKING SYSTEM INC(SCHMINKEY GARY R) |
12/30/09 (12/29/09) |
| 4 |
|
COLUMBIA BANKING SYSTEM INC(NELSON MARK W) |
12/30/09 (12/29/09) |
| 4 |
|
COLUMBIA BANKING SYSTEM INC(MCDONALD ANDY) |
12/30/09 (12/29/09) |
| 4 |
|
COLUMBIA BANKING SYSTEM INC(DRESSEL MELANIE J) |
12/30/09 (12/29/09) |
| 10-Q |
|
COLUMBIA BANKING SYSTEM INC |
11/06/09 (09/30/09) |