0000887343-24-000173.txt : 20240418 0000887343-24-000173.hdr.sgml : 20240418 20240418182351 ACCESSION NUMBER: 0000887343-24-000173 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240416 FILED AS OF DATE: 20240418 DATE AS OF CHANGE: 20240418 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: 24855235 MAIL ADDRESS: STREET 1: C/O COLUMBIA BANKING SYSTEM, INC. STREET 2: PO BOX 2156, MS WA0253-9 CITY: TACOMA STATE: WA ZIP: 98401-2156 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_1713479023.xml FORM 4 X0508 4 2024-04-16 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 Deferred Compensation Phantom Stock 2024-04-16 4 I 0 1 0 D Common 1 2920 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. This transaction reflects a routine disposition to fund an administrative fee assessment by the trustee of the Registrant's deferred compensation plan. /s/ Andrea M. Newburn, Attorney-in-fact 2024-04-18