0001186640-12-000001.txt : 20120126 0001186640-12-000001.hdr.sgml : 20120126 20120126205150 ACCESSION NUMBER: 0001186640-12-000001 CONFORMED SUBMISSION TYPE: 5 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20111231 FILED AS OF DATE: 20120126 DATE AS OF CHANGE: 20120126 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: DRESSEL MELANIE J CENTRAL INDEX KEY: 0001186640 FILING VALUES: FORM TYPE: 5 SEC ACT: 1934 Act SEC FILE NUMBER: 000-20288 FILM NUMBER: 12548938 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: COLUMBIA BANKING SYSTEM INC CENTRAL INDEX KEY: 0000887343 STANDARD INDUSTRIAL CLASSIFICATION: STATE COMMERCIAL BANKS [6022] IRS NUMBER: 911422237 STATE OF INCORPORATION: WA FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 1102 BROADWAY PLAZA CITY: TACOMA STATE: WA ZIP: 98402 BUSINESS PHONE: 2533051900 MAIL ADDRESS: STREET 1: 1102 BROADWAY PLAZA CITY: TACOMA STATE: WA ZIP: 98402 5 1 edgar.xml PRIMARY DOCUMENT X0304 5 2011-12-31 0 0 0000887343 COLUMBIA BANKING SYSTEM INC COLB 0001186640 DRESSEL MELANIE J WA 1 1 0 0 President and CEO Common Stock 61600 D Common Stock 2408 I North Mason Fiber Common Stock 8283 I 401 (k) Common Stock 51134 I Family Trust LLC /s/ Cathleen L Dent 2012-01-26