0001181431-13-040361.txt : 20130717 0001181431-13-040361.hdr.sgml : 20130717 20130717171503 ACCESSION NUMBER: 0001181431-13-040361 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20130715 FILED AS OF DATE: 20130717 DATE AS OF CHANGE: 20130717 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: 1301 A STREET CITY: TACOMA STATE: WA ZIP: 98402 BUSINESS PHONE: 2533051900 MAIL ADDRESS: STREET 1: 1301 A STREET CITY: TACOMA STATE: WA ZIP: 98402 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: 13973212 4 1 rrd386132.xml FORM 4 X0306 4 2013-07-15 0 0000887343 COLUMBIA BANKING SYSTEM INC COLB 0001186640 DRESSEL MELANIE J 1301 "A" STREEET TACOMA WA 98402 1 1 0 0 President and CEO Common Stock 2013-07-15 4 A 0 1339 16.794 A 76396 D Common Stock 2408 I North Mason Fiber Common Stock 8788 I 401(k) Common Stock 51134 I Family Trust LLC These shares were a purchase through Columbia's Employee Stock Purchase Plan (ESPP) done on a semi-annual basis. By: /s/ Cathleen L Dent on behalf of Melanie J Dressel 2013-07-17