TACOMA, Wash., Sept. 30, 2024 /PRNewswire/ -- Columbia Banking System, Inc. ("Columbia"Nasdaq: COLB), parent company of Umpqua Bank, today announced it will release third quarter 2024 financial results on Thursday, October 24, 2024, before market open. The Company will host a conference call for investors and analysts at 8:30 a.m. PT (11:30 a.m. ET) that same day. During the call, management will discuss Columbia's third quarter 2024 financial results and provide an update on recent activities. There will b ...