<SEC-DOCUMENT>0000887343-16-000087-index.html : 20160729 <SEC-HEADER>0000887343-16-000087.hdr.sgml : 20160729 <ACCEPTANCE-DATETIME>20160728192632 ACCESSION NUMBER: 0000887343-16-000087 CONFORMED SUBMISSION TYPE: 8-K PUBLIC DOCUMENT COUNT: 4 CONFORMED PERIOD OF REPORT: 20160728 ITEM INFORMATION: Results of Operations and Financial Condition ITEM INFORMATION: Other Events ITEM INFORMATION: Financial Statements and Exhibits FILED AS OF DATE: 20160729 DATE AS OF CHANGE: 20160728 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: 161791571 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>colb06302016form8-k.htm <DESCRIPTION>8-K <TEXT> Document 1 - file: colb06302016form8-k.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.1 <SEQUENCE>2 <FILENAME>a991colb06302016earnings.htm <DESCRIPTION>EARNINGS PRESS RELEASE <TEXT> Document 2 - file: a991colb06302016earnings.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.2 <SEQUENCE>3 <FILENAME>a992colb06302016dividendre.htm <DESCRIPTION>DIVIDEND PRESS RELEASE <TEXT> Document 3 - file: a992colb06302016dividendre.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>4 <FILENAME>image0a01.jpg <TEXT> Document 4 - file: image0a01.jpg
</DOCUMENT> </SEC-DOCUMENT>