0000887343-21-000131.txt : 20210528 0000887343-21-000131.hdr.sgml : 20210528 20210528172406 ACCESSION NUMBER: 0000887343-21-000131 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210526 FILED AS OF DATE: 20210528 DATE AS OF CHANGE: 20210528 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: 21981760 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_162223702811805.xml FORM 4 X0306 4 2021-05-26 0 0000887343 COLUMBIA BANKING SYSTEM, INC. COLB 0001480001 Lantow Michelle 1301 A STREET TACOMA WA 98402 1 0 0 0 Common 2021-05-26 4 A 0 1669 0 A 21402 D /s/ Cathleen Dent, on behalf of Michelle M. Lantow 2021-05-28