0000887343-21-000012.txt : 20210108 0000887343-21-000012.hdr.sgml : 20210108 20210108151829 ACCESSION NUMBER: 0000887343-21-000012 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210107 FILED AS OF DATE: 20210108 DATE AS OF CHANGE: 20210108 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: BARUFFI KUMI YAMAMOTO CENTRAL INDEX KEY: 0001619728 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-20288 FILM NUMBER: 21517245 MAIL ADDRESS: STREET 1: 1301 "A" STREET STREET 2: SUITE 800 CITY: TACOMA STATE: WA ZIP: 98402 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_161013709698620.xml FORM 4 X0306 4 2021-01-07 0 0000887343 COLUMBIA BANKING SYSTEM, INC. COLB 0001619728 BARUFFI KUMI YAMAMOTO 1301 A STREET TACOMA WA 98402 0 1 0 0 EVP and General Counsel Common 2021-01-07 4 P 0 219 24.06 A 18985 D ESPP Purchase /s/ Cathleen Dent, on behalf of Kumi Baruffi 2021-01-08