X0508 4 2025-07-01 0001602658 Investar Holding Corp ISTR 0001982976 Melara Julio A C/O INVESTAR HOLDING CORPORATION 10500 COURSEY BLVD. BATON ROUGE LA 70816 1 0 Series A Noncumulative Perpetual Convertible Preferred Stock 2025-07-01 4 A 0 25 1000 A 2025-07-01 Common Stock 1190.48 25 D The conversion price of the Series A Noncumulative Perpetual Convertible Preferred Stock is fixed, but is subject to adjustment upon the occurrence of certain events as set forth in the Articles of Amendment to the Issuer's Articles of Incorporation designating the Series A Noncumulative Perpetual Convertible Preferred Stock. The preferred stock is perpetual and therefore has no expiration date. /s/ Julio A. Melara 2025-07-03