0000887343-24-000154.txt : 20240312 0000887343-24-000154.hdr.sgml : 20240312 20240312174455 ACCESSION NUMBER: 0000887343-24-000154 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240308 FILED AS OF DATE: 20240312 DATE AS OF CHANGE: 20240312 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Namdar Frank CENTRAL INDEX KEY: 0001759802 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-20288 FILM NUMBER: 24743674 MAIL ADDRESS: STREET 1: ONE SW COLUMBIA STREET STE 1200 CITY: PORTLAND STATE: OR ZIP: 97258 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_1710279886.xml FORM 4 X0508 4 2024-03-08 0 0000887343 COLUMBIA BANKING SYSTEM, INC. COLB 0001759802 Namdar Frank C/O COLUMBIA BANKING SYSTEM, INC. PO BOX 2156, MS 3100 TACOMA WA 98401-2156 0 1 0 0 Chief Credit Officer 0 Common Stock 2024-03-08 4 F 0 808 19.51 D 37946 D Common Stock 2024-03-08 4 F 0 466 19.51 D 37480 D Common Stock 3239 I by 401(k) Deferred Compensation Phantom Stock 2024-03-11 4 A 0 53 19.43 A Common 53 2921 I Deferred Compensation The deferred compensation plan phantom stock was accrued under the Registrant's deferred compensation plan and will be paid in cash in accordance with the terms of the deferred compensation plan following end of the reporting person's employment with the Registrant. /s/ Lisa M. White, Attorney-in-fact 2024-03-12