<SEC-DOCUMENT>0001193125-14-329401-index.html : 20140903 <SEC-HEADER>0001193125-14-329401.hdr.sgml : 20140903 <ACCEPTANCE-DATETIME>20140902200406 ACCESSION NUMBER: 0001193125-14-329401 CONFORMED SUBMISSION TYPE: 8-K PUBLIC DOCUMENT COUNT: 3 CONFORMED PERIOD OF REPORT: 20140901 ITEM INFORMATION: Other Events ITEM INFORMATION: Financial Statements and Exhibits FILED AS OF DATE: 20140903 DATE AS OF CHANGE: 20140902 FILER: 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 FILING VALUES: FORM TYPE: 8-K SEC ACT: 1934 Act SEC FILE NUMBER: 000-20288 FILM NUMBER: 141078708 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 </SEC-HEADER> <DOCUMENT> <TYPE>8-K <SEQUENCE>1 <FILENAME>d783833d8k.htm <DESCRIPTION>FORM 8-K <TEXT> Document 1 - file: d783833d8k.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.1 <SEQUENCE>2 <FILENAME>d783833dex991.htm <DESCRIPTION>EX-99.1 <TEXT> Document 2 - file: d783833dex991.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>3 <FILENAME>g783833g98x55.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 3 - file: g783833g98x55.jpg
</DOCUMENT> </SEC-DOCUMENT>