<SEC-DOCUMENT>0001193125-17-040766-index.html : 20170213 <SEC-HEADER>0001193125-17-040766.hdr.sgml : 20170213 <ACCEPTANCE-DATETIME>20170213171427 ACCESSION NUMBER: 0001193125-17-040766 CONFORMED SUBMISSION TYPE: S-4 PUBLIC DOCUMENT COUNT: 21 FILED AS OF DATE: 20170213 DATE AS OF CHANGE: 20170213 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 SEC ACT: 1933 Act SEC FILE NUMBER: 333-216039 FILM NUMBER: 17600642 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 <SEQUENCE>1 <FILENAME>d286121ds4.htm <DESCRIPTION>S-4 <TEXT> Document 1 - file: d286121ds4.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-5.1 <SEQUENCE>2 <FILENAME>d286121dex51.htm <DESCRIPTION>EX-5.1 <TEXT> Document 2 - file: d286121dex51.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-8.1 <SEQUENCE>3 <FILENAME>d286121dex81.htm <DESCRIPTION>EX-8.1 <TEXT> Document 3 - file: d286121dex81.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-8.2 <SEQUENCE>4 <FILENAME>d286121dex82.htm <DESCRIPTION>EX-8.2 <TEXT> Document 4 - file: d286121dex82.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-23.3 <SEQUENCE>5 <FILENAME>d286121dex233.htm <DESCRIPTION>EX-23.3 <TEXT> Document 5 - file: d286121dex233.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-23.4 <SEQUENCE>6 <FILENAME>d286121dex234.htm <DESCRIPTION>EX-23.4 <TEXT> Document 6 - file: d286121dex234.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.3 <SEQUENCE>7 <FILENAME>d286121dex993.htm <DESCRIPTION>EX-99.3 <TEXT> Document 7 - file: d286121dex993.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.4 <SEQUENCE>8 <FILENAME>d286121dex994.htm <DESCRIPTION>EX-99.4 <TEXT> Document 8 - file: d286121dex994.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.5 <SEQUENCE>9 <FILENAME>d286121dex995.htm <DESCRIPTION>EX-99.5 <TEXT> Document 9 - file: d286121dex995.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.6 <SEQUENCE>10 <FILENAME>d286121dex996.htm <DESCRIPTION>EX-99.6 <TEXT> Document 10 - file: d286121dex996.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>11 <FILENAME>g286121ex993pg01.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 11 - file: g286121ex993pg01.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>12 <FILENAME>g286121g00a41.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 12 - file: g286121g00a41.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>13 <FILENAME>g286121g08y17.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 13 - file: g286121g08y17.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>14 <FILENAME>g286121g12t13.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 14 - file: g286121g12t13.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>15 <FILENAME>g286121g24p57.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 15 - file: g286121g24p57.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>16 <FILENAME>g286121g26b66.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 16 - file: g286121g26b66.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>17 <FILENAME>g286121g28n15.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 17 - file: g286121g28n15.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>18 <FILENAME>g286121g32k81.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 18 - file: g286121g32k81.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>19 <FILENAME>g286121g46q59.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 19 - file: g286121g46q59.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>20 <FILENAME>g286121g47e24.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 20 - file: g286121g47e24.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>21 <FILENAME>g286121g98f12.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 21 - file: g286121g98f12.jpg
</DOCUMENT> </SEC-DOCUMENT>