0000887343-23-000102.txt : 20230302 0000887343-23-000102.hdr.sgml : 20230302 20230302193745 ACCESSION NUMBER: 0000887343-23-000102 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230228 FILED AS OF DATE: 20230302 DATE AS OF CHANGE: 20230302 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: McDonald Andy CENTRAL INDEX KEY: 0001292058 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-20288 FILM NUMBER: 23701114 MAIL ADDRESS: STREET 1: 1301 A STREET, STE. 800, MS-3100 CITY: TACOMA STATE: WA ZIP: 98402-4200 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_167780384715746.xml FORM 4 X0306 4 2023-02-28 1 0000887343 COLUMBIA BANKING SYSTEM, INC. COLB 0001292058 McDonald Andy C/O COLUMBIA BANKING SYSTEM, INC. PO BOX 2156, MS 3100 TACOMA WA 98401-2156 0 1 0 0 EVP Chief Credit Officer Common Stock 2023-02-28 4 A 0 1240 0 A 44884 D Common Stock 2023-02-28 4 A 0 1240 0 A 46124 D Common Stock 2023-02-28 4 A 0 1882 0 A 48006 D Common Stock 2023-02-28 4 A 0 1680 0 A 49686 D At the effective time of the merger (the "Effective Time") of Cascade Merger Sub, Inc. ("Merger Sub"), a direct, wholly-owned subsidiary of the Issuer, with and into Umpqua Holdings Corporation ("Umpqua"), pursuant to that certain Agreement and Plan of Merger, dated as of October 11, 2021 (the "Merger Agreement"), by and among the Issuer, Umpqua and Merger Sub, each outstanding performance stock unit award of the Issuer granted under the Issuer's equity compensation plans was converted into a restricted stock unit award of the Issuer based on a level of performance determined in accordance with the Merger Agreement, with such awards continuing to vest after the Effective Time solely based on continued service. /s/ Andrea M. Newburn, Attorney-in-fact 2023-03-02