0001602658-21-000024 4 1 20210120 20210122 20210122 Nelson Andrew C 0001611476 4 34 001-36522 21544123 3235 MCCONNELL DRIVE BATON ROUGE LA 70809 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 wf-form4_161132787139803.xml FORM 4 X0306 4 2021-01-20 0 0001602658 Investar Holding Corp ISTR 0001611476 Nelson Andrew C C/O INVESTAR HOLDING CORPORATION 10500 COURSEY BOULEVARD BATON ROUGE LA 70816 1 0 0 0 COMMON STOCK 2021-01-20 4 A 0 1186 0 A 122656 D COMMON STOCK 7819 I By AJ Investment Co. LLC Grant of restricted stock units that convert into common stock on a one-for-one basis. Vesting occurs in equal increments on 1/1/2022 and 1/1/2023. /s/Andrew C. Nelson 2021-01-22