PCB Financial Acquires Northern California Bancorp and Monterey County Bank

Banc of California to Acquire Pacific Mercantile Bancorp

March 22, 2021

Financial Services

Banc of California, Inc. agreed to acquire Pacific Mercantile Bancorp in an all-stock merger valued at approximately $235 million. Pacific Mercantile’s shareholders are expected to receive 0.5 shares of Banc of California common stock per share, with the deal slated to close in the third quarter of 2021 subject to regulatory and shareholder approvals.

Brookline Bancorp Acquires PCSB Financial Corporation

January 1, 2023

Financial Services

Brookline Bancorp, Inc. received all required regulatory approvals to complete its acquisition of PCSB Financial Corporation. The transaction was completed effective January 1, 2023, with PCSB Bank operating as a separate subsidiary of Brookline.

BayCom Corp Acquires Pacific Enterprise Bancorp

February 1, 2022

Financial Services

BayCom Corp signed an agreement to acquire Pacific Enterprise Bancorp in an all-stock transaction valued at approximately $53.1 million. BayCom completed the acquisition effective February 1, 2022, expanding its presence in Orange County, California and its SBA/government-guaranteed lending resources.

Columbia Banking System to Acquire Pacific Premier Bancorp

September 2, 2025

Financial Services

Columbia Banking System, Inc. (Columbia) entered into a definitive all-stock merger agreement to acquire Pacific Premier Bancorp, Inc. Columbia will receive Pacific Premier in a stock-for-stock exchange (0.9150 Columbia shares for each Pacific Premier share). The transaction received required regulatory approvals and was later reported as closed as of August 31, 2025.

Southern California Bancorp Acquires Bank of Santa Clarita

October 1, 2021

Financial Services

Southern California Bancorp completed the previously announced merger with Bank of Santa Clarita, combining the community bank into its wholly owned subsidiary Bank of Southern California, N.A. The deal expands Southern California Bancorp's commercial banking footprint into the Santa Clarita Valley and creates a combined bank with approximately $2.2 billion in pro forma assets.

First Financial Bancorp to Acquire BankFinancial Corporation

January 1, 2026

Financial Services

First Financial Bancorp agreed to acquire Chicago-based BankFinancial Corporation in an all-stock transaction valued at approximately $142 million. The deal is intended to expand First Financial’s presence in the Chicago market, adding 18 financial centers and BankFinancial’s consumer, trust/wealth management, and selected commercial lending capabilities.