Company Story
1993 - Columbia Banking System, Inc. was formed as a holding company for Columbia Bank.
1997 - Columbia Banking System, Inc. went public with an initial public offering (IPO).
2001 - Columbia Banking System, Inc. acquired First Savings Northwest.
2007 - Columbia Banking System, Inc. acquired First Bank of Santa Fe.
2012 - Columbia Banking System, Inc. acquired First Heritage Bank.
2014 - Columbia Banking System, Inc. acquired Pacific Northwest Bank.
2017 - Columbia Banking System, Inc. acquired Pacific Continental Bank.
2020 - Columbia Banking System, Inc. acquired Bank of Commerce Holdings.