0001437749-23-001469 4 1 20230118 20230120 20230120 HIDALGO WILLIAM H 0001127438 4 34 001-36522 23542070 1501 FRONT STREET P O BOX 790 MORGAN CITY LA 70381 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 HIDALGO FORM 4 X0306 4 2023-01-18 0001602658 Investar Holding Corp ISTR 0001127438 HIDALGO WILLIAM H C/O INVESTAR HOLDING CORPORATION 10500 COURSEY BLVD. BATON ROUGE LA 70816 1 Common Stock 2023-01-18 4 A 0 1582 0 A 41156 D Common Stock 24138 I By spouse and by trust Grant of restricted stock units that convert into common stock on a one-for-one basis. Vesting occurs in equal increments on 1/18/2024 and 1/1/2025. /s/ William H. Hidalgo, Sr. 2023-01-20