First Interstate BancSystem Acquires Great Western Bancorp

First Bancorp Acquires GrandSouth Bancorporation

January 1, 2023

Financial Services

First Bancorp (parent of First Bank) completed its acquisition of GrandSouth Bancorporation (the parent of GrandSouth Bank) effective January 1, 2023 in an all-stock merger (0.91 shares of First Bancorp per GrandSouth share). The deal expands First Bank's presence in South Carolina by adding GrandSouth's eight branches and is expected to accelerate First Bancorp's South Carolina growth, creating a combined company with approximately $12 billion in assets and 118 branches.

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.

FB Financial Corporation Acquires Southern States Bancshares, Inc. (Southern States Bank Merger)

June 30, 2025

Financial Services

FB Financial Corporation (NYSE: FBK) completed its merger with Southern States Bancshares, Inc. (Nasdaq: SSBK), the parent company of Southern States Bank. Southern States shareholders received 0.800 shares of FB Financial common stock for each share of Southern States stock, and Southern States’ shares ceased trading after June 30, 2025.

Old National Bancorp and First Midwest Bancorp Announce $6.5 Billion Merger

June 1, 2021

Financial Services

Old National Bancorp (NASDAQ: ONB) and First Midwest Bancorp (NASDAQ: FMBI) have entered into a definitive merger agreement to combine in an all-stock merger of equals valued at $6.5 billion. The combined company will operate under the Old National Bancorp and Old National Bank names with dual headquarters in Evansville, Indiana and Chicago, Illinois, and the deal is expected to close in late 2021 or early 2022 subject to approvals.

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.

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.