0001437749-21-008253 4 1 20210401 20210405 20210405 Lavergne Travis M 0001611433 4 34 001-36522 21806505 34935 MOLLY DRIVE DENHAM SPRINGS LA 70706 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 4-1-21 GRANT X0306 4 2021-04-01 0001602658 Investar Holding Corp ISTR 0001611433 Lavergne Travis M C/O INVESTAR HOLDING CORPORATION 10500 COURSEY BLVD. BATON ROUGE LA 70816 1 Chief Credit Officer Common Stock 2021-04-01 4 A 0 3474 0 A 12326 D Common Stock 5145 I 401(k) Employee Stock Option 20.72 2021-04-01 4 A 0 6639 0 A 2022-04-01 2031-04-01 Common Stock 6639 6639 D Grant of restricted stock units that convert into common stock on a one-for-one basis. Vesting occurs in equal increments on the anniversary dates for the following five years. One-fifth of the options is exercisable on the date indicated and on each of the next four anniversaries thereof. /s/ Travis M. Lavergne 2021-04-05