<SEC-DOCUMENT>0000932471-18-006306-index.html : 20180710 <SEC-HEADER>0000932471-18-006306.hdr.sgml : 20180710 <ACCEPTANCE-DATETIME>20180710080631 ACCESSION NUMBER: 0000932471-18-006306 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20180710 DATE AS OF CHANGE: 20180710 SUBJECT COMPANY: 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: SC 13G/A SEC ACT: 1934 Act SEC FILE NUMBER: 005-50084 FILM NUMBER: 18945865 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 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: VANGUARD GROUP INC CENTRAL INDEX KEY: 0000102909 IRS NUMBER: 231945930 STATE OF INCORPORATION: PA FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A BUSINESS ADDRESS: STREET 1: PO BOX 2600 STREET 2: V26 CITY: VALLEY FORGE STATE: PA ZIP: 19482-2600 BUSINESS PHONE: 6106691000 MAIL ADDRESS: STREET 1: PO BOX 2600 STREET 2: V26 CITY: VALLEY FORGE STATE: PA ZIP: 19482-2600 </SEC-HEADER> <DOCUMENT> <TYPE>SC 13G/A <SEQUENCE>1 <FILENAME>columbiabankingsysteminc.htm <TEXT> Document 1 - file: columbiabankingsysteminc.htm
</DOCUMENT> </SEC-DOCUMENT>