Pacific Premier Bancorp Concludes Landmark Merger with Columbia Banking System

A significant chapter in US regional banking concluded on August 31, 2025, as Pacific Premier Bancorp Inc. ceased to operate as an independent entity. The institution was formally integrated into Columbia Banking System, marking the finalization of a major acquisition that reshapes the banking landscape across the western United States.

Under the terms of the agreement, shareholders of Pacific Premier received 0.9150 shares of Columbia Banking System for each share they previously held. This exchange resulted in former Pacific Premier investors owning an approximate 30% stake in the newly combined financial institution.

The merger creates a formidable regional banking force with consolidated assets of approximately $70 billion. The entity now manages a loan portfolio valued at $50 billion and holds customer deposits totaling $56 billion. Its Read more...