(marketscreener.com) Columbia Banking System Announces Completion of Acquisition of Bank of Commerce Holdings TACOMA, WASHINGTON | SACRAMENTO, CALIFORNIA. Columbia Banking System, Inc. , today announced the completion of its acquisition of Bank of Commerce Holdings , the holding company of Merchants Bank of Commerce. Following...https://www.marketscreener.com/quote/stock/COLUMBIA-BANKING-SYSTEM-8858/news/Columbia-Banking-System-Announces-Completion-of-Acquisition-of-Bank-of-Commerce-Holdings-Form-8-K-36571911/?utm_medium=RSS&utm_content=20211001