0001186640-11-000005.txt : 20110705 0001186640-11-000005.hdr.sgml : 20110704 20110705140537 ACCESSION NUMBER: 0001186640-11-000005 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20110701 FILED AS OF DATE: 20110705 DATE AS OF CHANGE: 20110705 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: DRESSEL MELANIE J CENTRAL INDEX KEY: 0001186640 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-20288 FILM NUMBER: 11948916 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 4 1 edgar.xml PRIMARY DOCUMENT X0303 4 2011-07-01 0000887343 COLUMBIA BANKING SYSTEM INC COLB 0001186640 DRESSEL MELANIE J WA 1 1 0 0 President and CEO Common Stock 2011-07-01 4 A 0 1155 15.498 A 61600 D Common Stock 2408 I North Mason Fiber Common Stock 7744 I 401(k) Common Stock 51134 I Family Trust LLC ESPP Purchase /s/ Cathleen L Dent 2011-07-05