0001437749-23-001457 4 1 20230118 20230120 20230120 Hudson Rose J 0001955155 4 34 001-36522 23542028 555 LAUREL STREET BATON ROUGE LA 70801 Investar Holding Corp 0001602658 6022 271560715 LA 1231 10500 COURSEY BLVD THIRD FLOOR BATON ROUGE LA 70816 225-227-2222 10500 COURSEY BLVD THIRD FLOOR BATON ROUGE LA 70816 4 1 rdgdoc.xml HUDSON FORM 4 X0306 4 2023-01-18 0001602658 Investar Holding Corp ISTR 0001955155 Hudson Rose J C/O INVESTAR HOLDING CORPORATION 10500 COURSEY BLVD. BATON ROUGE LA 70816 1 Common Stock 2023-01-18 4 A 0 1489 0 A 5923 D Grant of restricted stock units that convert into common stock on a one-for-one basis. Vesting occurs in equal increments on 1/18/2024 and 1/1/2025. /s/ Rose J. Hudson 2023-01-20