FGBI FIRST GUARANTY BANCSHARES INC Company Mergers 8-K Filing 2023 - Merger Agreement First Guaranty Bancshares, Inc. has entered into a merger agreement with Lone Star Bank, where First Guaranty will acquire all outstanding shares of Lone Star common stock in exchange for shares of First Guaranty common stock.Get access to all SEC 8-K filings of the FIRST GUARANTY BANCSHARES INC