Columbia Banking System Announces Date of Third Quarter 2026 Earnings Release and Conference Call
COLUMBIA BANKING SYSTEM, INC. (COLB) filed an SEC Form 8-K — Regulation FD Disclosure. Columbia Banking System Announces Date of Third Quarter 2026 Earnings Release and Conference Call TACOMA, Wash., Sept. 30, 2026 – Columbia Banking System, Inc. (“Columbia” Nasdaq: COLB), parent company of Columbia Bank, today announced it will release third quarter 2026 financial



