0001437749-23-031237 4 1 20231108 20231109 20231109 D'Angelo John J 0001611432 4 34 001-36522 231392046 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 2023-11-08 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 2023-11-08 4 P 0 750 9.26 A 206582 D Common Stock 28269 I 401(k) Common Stock 2089 I Minor children Common Stock 250 I Spouse The reported price is a weighted average purchase price. These shares were purchased in multiple transactions at prices ranging from $9.10 to $9.30 per share. The reporting person undertakes to provide to Investar Holding Corporation, any security holder of Investar Holding Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote. /s/ John D'Angelo 2023-11-09