ModelEdge

Columbia Banking System, Inc.
COLB
Filing Type10-K
Filing Date2/25/2026
Updated2/26/26, 2:31 PM

Filing

10-K
Earnings Release

Exhibits

10-KFY 2024
EX-3.2AMENDED AND RESTATED BYLAWS OF COLUMBIA BANKING SYSTEM, INC.
EX-10.28FORM OF COLUMBIA STATE BANK EXECUTIVE SUPPLEMENTAL COMPENSATION AGREEMENT
EX-10.66OFFER LETTER - SEDA
EX-10.69LEADERSHIP TRANSITION LETTER AGREEMENT - WHITE
EX-19.1INSIDER TRADING POLICY AND PROCEDURES
EX-21.1SUBSIDIARIES OF THE REGISTRANT
EX-23.1CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM - DELOITTE & TOUCHE LLP
EX-31.1CERTIFICATION OF CHIEF EXECUTIVE OFFICER UNDER SECTION 302
EX-31.2CERTIFICATION OF CHIEF FINANCIAL OFFICER UNDER SECTION 302
EX-31.3CERTIFICATION OF PRINCIPAL ACCOUNTING OFFICER UNDER SECTION 302
EX-32CERTIFICATION OF CEO, CFO, AND PAO PURSUANT TO SECTION 906
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