First Financial Corporation has taken a significant step in its growth strategy by filing a registration statement for its merger with First Illinois Corporation. This merger is poised to create a combined bank holding company with approximately $7 billion in total assets and a market capitalization of around $[•] million. The transaction is expected to enhance First Financial's market presence across key regions, including Indiana, Illinois, Kentucky, Tennessee, and Georgia.

The merger agreement, signed on August 26, 2026, outlines a plan where First Illinois will merge with First Financial, with First Financial as the surviving entity. Following the merger, Hickory Point Bank, a subsidiary of First Illinois, will also merge into First Financial Bank, which is First Financial's wholly owned subsidiary. The combined entity will continue to trade on the Nasdaq under the ticker symbol 'THFF'.

Background

First Financial Corporation, incorporated in Indiana, operates in the state commercial banks sector (SIC: 6022). The company trades on the Nasdaq under the ticker symbol 'THFF'. Recent filings include a Schedule 13G/A and an 8-K, both filed on October 27, 2026, indicating ongoing regulatory activities related to the merger.

What the Filing Says

The filing, made on October 30, 2026, states, "The transaction will create a combined bank holding company with approximately $7.0 billion in total assets." It also details the structure of the merger, including the conversion of First Illinois common stock into either cash or shares of First Financial common stock.

Impact

This merger could significantly affect shareholders of both companies. First Illinois shareholders will have the option to receive either 0.5727 shares of First Financial common stock or $44.35 in cash for each share they own, subject to certain conditions and proration. The merger is expected to enhance operational efficiencies and expand service offerings across a broader geographic area.

What's Next

A special meeting of First Illinois shareholders will be held to vote on the merger proposal. The filing does not specify the date of this meeting, but it will be crucial for the approval of the merger agreement.