0001437749-21-008192 4 1 20210401 20210405 20210405 Babin Dane M. 0001647715 4 34 001-36522 21804712 310 SOUTH CLUB AVENUE SAINT GABRIEL LA 70776 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 FORM 4 X0306 4 2021-04-01 0001602658 Investar Holding Corp ISTR 0001647715 Babin Dane M. 10500 COURSEY BOULEVARD BATON ROUGE LA 70816 1 Chief Operations Officer Common Stock 2021-04-01 4 A 0 3619 0 A 18097 D Common Stock 9687 I 401(k) 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. /s/ Dane M. Babin 2021-04-05