0001602658-21-000014 4 1 20210120 20210122 20210122 Boyce James H III 0001611423 4 34 001-36522 21544051 42514 CLOUATRE ROAD GONZALES LA 70737 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_161132678234665.xml FORM 4 X0306 4 2021-01-20 0 0001602658 Investar Holding Corp ISTR 0001611423 Boyce James H III C/O INVESTAR HOLDING CORPORATION 10500 COURSEY BLVD. BATON ROUGE LA 70816 1 0 0 0 COMMON STOCK 2021-01-20 4 A 0 1691 0 A 29237 D COMMON STOCK 1500 I By Trust 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. Held in Trust for the benefit of reporting person's children; reporting person disclaims beneficial ownership and this report shall not be considered an admission of beneficial ownership for any purpose. /s/James H. Boyce, III 2021-01-21