0001437749-23-029255 4 1 20231025 20231027 20231027 D'Angelo John J 0001611432 4 34 001-36522 231356571 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 D'ANGELO FORM 4 X0508 4 2023-10-25 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 0 Common Stock 2023-10-25 4 I 0 1068 9.65 A 28269 I 401(k) Common Stock 205525 D Common Stock 2089 I Minor children Common Stock 250 I Spouse Acquisition made pursuant to an election by the Reporting Person to rebalance their holdings under the Company's 401(k) plan, which resulted in a discretionary transaction in shares of Investar Holding Corporation Common Stock. /s/ John D'Angelo 2023-10-27