0000887343-24-000060.txt : 20240220 0000887343-24-000060.hdr.sgml : 20240220 20240220185352 ACCESSION NUMBER: 0000887343-24-000060 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240215 FILED AS OF DATE: 20240220 DATE AS OF CHANGE: 20240220 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: BARUFFI KUMI YAMAMOTO CENTRAL INDEX KEY: 0001619728 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-20288 FILM NUMBER: 24655691 MAIL ADDRESS: STREET 1: 1301 A STREET STREET 2: SUITE 800 CITY: TACOMA STATE: WA ZIP: 98402-4205 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: COLUMBIA BANKING SYSTEM, INC. CENTRAL INDEX KEY: 0000887343 STANDARD INDUSTRIAL CLASSIFICATION: STATE COMMERCIAL BANKS [6022] ORGANIZATION NAME: 02 Finance 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_1708473218.xml FORM 4 X0508 4 2024-02-15 0 0000887343 COLUMBIA BANKING SYSTEM, INC. COLB 0001619728 BARUFFI KUMI YAMAMOTO C/O COLUMBIA BANKING SYSTEM, INC. PO BOX 2156, MS 3100 TACOMA WA 98401-2156 0 1 0 0 General Counsel, Corporate Sec 0 Common Stock 2024-02-15 4 A 0 673 19.01 A 43262 D Common Stock 2024-02-15 4 A 0 1012 19.01 A 44274 D /s/ Lisa M. White, Attorney-in-fact 2024-02-20