0001214659-15-005231.txt : 20150702 0001214659-15-005231.hdr.sgml : 20150702 20150702172137 ACCESSION NUMBER: 0001214659-15-005231 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20150702 FILED AS OF DATE: 20150702 DATE AS OF CHANGE: 20150702 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: 15971025 4 1 marketforms-32001.xml PRIMARY DOCUMENT X0306 4 2015-07-02 0000887343 COLUMBIA BANKING SYSTEM INC COLB 0001186640 DRESSEL MELANIE J 1301 A STREET TACOMA WA 98402 true true false false President and CEO Common Stock 2015-07-02 4 A false 912 24.66 A 80287 D Common Stock 2408 I North Mason Fiber Common Stock 9136 I 401(k) Common Stock 51134 I Family Trust LLC ESPP Purchase /s/Cathleen Dent, on behalf of Melanie J. Dressel 2015-07-02