0001602658-21-000021 4 1 20210120 20210122 20210122 Boyce Robert M Sr 0001611425 4 34 001-36522 21544104 18410 S MISSION HILLS AVENUE BATON ROUGE LA 70810 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_161132767506486.xml FORM 4 X0306 4 2021-01-20 0 0001602658 Investar Holding Corp ISTR 0001611425 Boyce Robert M Sr 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 56699 D 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/Robert M. Boyce, Sr. 2021-01-22