Columbia Banking System, Inc. (NASDAQ: COLB)
Rowley Law PLLC is investigating potential securities law violations by Columbia Banking System, Inc. (NASDAQ: COLB) and its board of directors concerning the proposed acquisition of the company by Umpqua Holdings Corporation (NASDAQ: UMPQ). Columbia Banking System stockholders are expected to own approximately 38% of the combined company. The transaction is expected to close in […]