Columbia Banking System Announces Date of First Quarter 2026 Earnings Release and Conference Call

TACOMA, Wash., March 31, 2026 /PRNewswire/ -- Columbia Banking System, Inc. ("Columbia" Nasdaq: COLB), parent company of Columbia Bank, today announced it will release first quarter 2026 financial results on Thursday, April 23, 2026, after market close. The Company will host a conference...