0001437749-21-008248 4 1 20210401 20210405 20210405 D'Angelo John J 0001611432 4 34 001-36522 21806397 418 PECAN MEADOW DRIVE 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 rdgdoc.xml 4-1-21 GRANT X0306 4 2021-04-01 0001602658 Investar Holding Corp ISTR 0001611432 D'Angelo John J C/O INVESTAR HOLDING CORPORATION 10500 COURSEY BLVD. BATON ROUGE LA 70816 1 1 Chief Executive Officer Common Stock 2021-04-01 4 A 0 10859 0 A 178463 D Common Stock 19689 I 401(k) Common Stock 2074 I Minor children Employee Stock Option 20.72 2021-04-01 4 A 0 20746 0 A 2022-04-01 2031-04-01 Common Stock 20746 20746 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/ John J. D'Angelo 2021-04-05