<SEC-DOCUMENT>0001193125-14-348720-index.html : 20140922 <SEC-HEADER>0001193125-14-348720.hdr.sgml : 20140922 <ACCEPTANCE-DATETIME>20140922170759 ACCESSION NUMBER: 0001193125-14-348720 CONFORMED SUBMISSION TYPE: S-4/A PUBLIC DOCUMENT COUNT: 9 FILED AS OF DATE: 20140922 DATE AS OF CHANGE: 20140922 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: S-4/A SEC ACT: 1933 Act SEC FILE NUMBER: 333-198356 FILM NUMBER: 141114536 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>S-4/A <SEQUENCE>1 <FILENAME>d764502ds4a.htm <DESCRIPTION>FORM S-4/A <TEXT> Document 1 - file: d764502ds4a.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-5.1 <SEQUENCE>2 <FILENAME>d764502dex51.htm <DESCRIPTION>OPINION OF GRAHAM & DUNN PC <TEXT> Document 2 - file: d764502dex51.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-23.3 <SEQUENCE>3 <FILENAME>d764502dex233.htm <DESCRIPTION>CONSENT OF DELOITTE & TOUCHE LLP <TEXT> Document 3 - file: d764502dex233.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-23.4 <SEQUENCE>4 <FILENAME>d764502dex234.htm <DESCRIPTION>CONSENT OF BDO USA, LLP <TEXT> Document 4 - file: d764502dex234.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-24.2 <SEQUENCE>5 <FILENAME>d764502dex242.htm <DESCRIPTION>POWER OF ATTORNEY <TEXT> Document 5 - file: d764502dex242.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.1 <SEQUENCE>6 <FILENAME>d764502dex991.htm <DESCRIPTION>FORM OF PROXY <TEXT> Document 6 - file: d764502dex991.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.2 <SEQUENCE>7 <FILENAME>d764502dex992.htm <DESCRIPTION>FORM OF ELECTION STATEMENT <TEXT> Document 7 - file: d764502dex992.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>8 <FILENAME>g764502img001.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 8 - file: g764502img001.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>9 <FILENAME>g764502img002.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 9 - file: g764502img002.jpg
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