0000887343-23-000271.txt : 20230622 0000887343-23-000271.hdr.sgml : 20230622 20230622173826 ACCESSION NUMBER: 0000887343-23-000271 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230621 FILED AS OF DATE: 20230622 DATE AS OF CHANGE: 20230622 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Anderson Drew K CENTRAL INDEX KEY: 0001955918 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-20288 FILM NUMBER: 231034371 MAIL ADDRESS: STREET 1: C/O COLUMBIA BANKING SYSTEM, INC. STREET 2: 5885 MEADOWS ROAD, SUITE #400 CITY: LAKE OSWEGO STATE: OR ZIP: 97035 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 wk-form4_1687469896.xml FORM 4 X0407 4 2023-06-21 0 0000887343 COLUMBIA BANKING SYSTEM, INC. COLB 0001955918 Anderson Drew K C/O COLUMBIA BANKING SYSTEM, INC. PO BOX 2156, MS 3100 TACOMA WA 98401-2156 0 1 0 0 Chief Administrative Officer 0 Common Stock 2023-06-21 4 F 0 577 21.74 D 19128 D Adjustment of one share due to rounding of converted awards in connection with the merger of Umpqua Holdings Corporation and Columbia Banking System, Inc. /s/ Lisa M. White, Attorney-in-fact 2023-06-22