 BATON ROUGE, La., March 17, 2021 GLOBE NEWSWIRE -- Investar Holding Corporation the Company Nasdaq:ISTR, the holding company of Investar Bank, National Association the Bank, today announced that it has received the necessary shareholder and regulatory approvals for its previously announced, pending acquisition of Cheaha Financial Group, Inc. Cheaha, the holding company for Cheaha Bank in Oxford, Alabama. The Company also provided an update regarding expected timing for completion of the acquisition. 