0000887343-21-000033.txt : 20210217 0000887343-21-000033.hdr.sgml : 20210217 20210217191027 ACCESSION NUMBER: 0000887343-21-000033 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210215 FILED AS OF DATE: 20210217 DATE AS OF CHANGE: 20210217 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Deer Aaron James CENTRAL INDEX KEY: 0001810107 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-20288 FILM NUMBER: 21646940 MAIL ADDRESS: STREET 1: 1301 A STREET 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_161360700183994.xml FORM 4 X0306 4 2021-02-15 0 0000887343 COLUMBIA BANKING SYSTEM, INC. COLB 0001810107 Deer Aaron James 1301 A STREET STE 800 TACOMA WA 98402 0 1 0 0 EVP Chief Financial Officer Common 2021-02-15 4 A 0 1436 43.09 A 5436 D Common 2021-02-15 4 P 0 935 24.06 A 6371 D Vesting of Time Based RSU ESPP Purchase /s/ Cathleen Dent, attorney-in-fact 2021-02-17