0000887343-20-000174.txt : 20200528 0000887343-20-000174.hdr.sgml : 20200528 20200528195521 ACCESSION NUMBER: 0000887343-20-000174 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20200527 FILED AS OF DATE: 20200528 DATE AS OF CHANGE: 20200528 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Lantow Michelle CENTRAL INDEX KEY: 0001480001 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-20288 FILM NUMBER: 20923528 MAIL ADDRESS: STREET 1: 720 SW WASHINGTON STREET, SUITE 550 CITY: PORTLAND STATE: OR ZIP: 97205 ISSUER: 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 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 FORMER COMPANY: FORMER CONFORMED NAME: COLUMBIA BANKING SYSTEM INC DATE OF NAME CHANGE: 19930328 4 1 wf-form4_159071010456276.xml FORM 4 X0306 4 2020-05-27 0 0000887343 COLUMBIA BANKING SYSTEM, INC. COLB 0001480001 Lantow Michelle 1301 A STREET TACOMA WA 98402 1 0 0 0 Common 2020-05-27 4 A 0 2640 0 A 19733 D /s/ Cathleen Dent, on behalf of Michelle M. Lantow 2020-05-28