WesBanco Acquires Premier Financial Corp

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.

Business First Bancshares Acquires Progressive Bancorp and Progressive Bank

January 5, 2026

Financial Services

Business First Bancshares, Inc. (the holding company for b1BANK) completed its acquisition of Progressive Bancorp, Inc. and its wholly owned subsidiary Progressive Bank. The deal expands b1BANK's presence across North Louisiana, adding nine locations and increasing Business First's total assets to approximately $8.7 billion.

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.

First Financial Bancorp to Acquire Westfield Bancorp from Ohio Farmers Insurance Company

June 23, 2025

Financial Services

Ohio Farmers Insurance Company, Westfield’s parent, has entered into a definitive agreement to sell Westfield Bancorp to First Financial Bancorp in a cash-and-stock transaction valued at $325 million. The deal would transfer 100% of Westfield Bancorp’s stock and is expected to close in Q4 2025, subject to regulatory approvals and customary closing conditions.

Bank First Corporation Acquires Centre 1 Bancorp, Inc. in All-Stock Deal

January 2, 2026

Financial Services

Bank First Corporation (holding company of Bank First, N.A.) completed its acquisition of Centre 1 Bancorp, Inc., the parent company of The First National Bank and Trust Company, in an all-stock transaction. The deal expands Bank First’s services into trust and wealth management and increases its footprint across Wisconsin and the Stateline area of Illinois.

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.