BATON ROUGE, LA / ACCESSWIRE / September 20, 2023 / Investar Holding Corporation (the "Company") (NASDAQ:ISTR), the holding company of Investar Bank, National Association (the "Bank"), declared a quarterly cash dividend of $0.10 per share to holders of the Company's common stock. The dividend is payable on October 31, 2023 to shareholders of record as of October 2, 2023. This is the 40th quarterly dividend paid by the Company, which follows an uninterrupted 11 quarterly cash dividends paid by the Bank....