0001550429-12-000001.txt : 20120521 0001550429-12-000001.hdr.sgml : 20120521 20120521180455 ACCESSION NUMBER: 0001550429-12-000001 CONFORMED SUBMISSION TYPE: 3 PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20120510 FILED AS OF DATE: 20120521 DATE AS OF CHANGE: 20120521 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Stein Clint CENTRAL INDEX KEY: 0001550429 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 000-20288 FILM NUMBER: 12860043 MAIL ADDRESS: STREET 1: 1301 A STREET, SUITE 800 CITY: TACOMA STATE: WA ZIP: 98402 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 3 1 edgar.xml PRIMARY DOCUMENT X0205 3 2012-05-10 0 0000887343 COLUMBIA BANKING SYSTEM INC COLB 0001550429 Stein Clint 1301 A STREET, SUITE 800 TACOMA WA 98402 0 1 0 0 Chief Financial Officer Common Stock 7107 D /s/ Cathleen L. Dent 2012-05-21 EX-24 2 poacstein.htm POWER OF ATTORNEY FORM