personal business wealth management resources about contact search locations home about investor relations merchants merger information Merchants Merger Information On June 23, 2021, Columbia Banking System, Inc., the holding company for Columbia State Bank and Bank of Commerce Holdings, the holding company for Merchants Bank of Commerce announced the signing of a definitive agreement to merge Bank of Commerce Holdings into Columbia Banking System, Inc.. Access information about the acquisition below. Press Release Investor Presentation Investor Call Details Share: connect nearby or online Click to Share Your Location We'll find a branch near you. You can also visit the locations page or contact us. feedback Follow Columbia Bank © 2021 Columbia Bank. All Rights Reserved. | Member FDIC | Equal Housing Lender. | Foreclosure Help Privacy Policy | Linking Policy | Do Not Sell My Personal Information | Accessibility Policy | Enable Assistive View