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Filing metadata

Accession number: 0001056916-11-000001
Form type: Form 4
Filer: COLUMBIA BANKING SYSTEM INC
CIK: CIK 887343
Filed: Apr 26, 2011
Reporting period: Apr 25, 2011
Description: Insider transaction

Documents

0001056916-11-000001-index.htm

Complete submission

0001056916-11-000001.txt

directory listing

Filed by

COLUMBIA BANKING SYSTEM INC