0001437749-23-009371 4 1 20230401 20230404 20230404 Martin Jeffrey Wayne 0001891509 4 34 001-36522 23800363 10500 COURSEY BLVD BATON ROUGE LA 70816 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 MARTIN FORM 4 X0407 4 2023-04-01 0001602658 Investar Holding Corp ISTR 0001891509 Martin Jeffrey Wayne 10500 COURSEY BOULEVARD BATON ROUGE LA 70816 1 Chief Credit Officer 0 Common Stock 2023-04-01 4 F 0 229 13.96 D 6346 D Common Stock 2023-04-01 4 A 0 7163 0 A 13509 D Common Stock 2625 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/ Jeffrey Martin 2023-04-04