    <SEC-DOCUMENT>0001437749-25-029752-index.html : 20250923
    <SEC-HEADER>0001437749-25-029752.hdr.sgml : 20250923
    <ACCEPTANCE-DATETIME>20250923172405
    ACCESSION NUMBER:		0001437749-25-029752
    CONFORMED SUBMISSION TYPE:	424B3
    PUBLIC DOCUMENT COUNT:		9
    FILED AS OF DATE:		20250923
    DATE AS OF CHANGE:		20250923

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			Investar Holding Corp
    		CENTRAL INDEX KEY:			0001602658
    		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
    		ORGANIZATION NAME:           	02 Finance
    		EIN:				271560715
    		STATE OF INCORPORATION:			LA
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		424B3
    		SEC ACT:		1933 Act
    		SEC FILE NUMBER:	333-290225
    		FILM NUMBER:		251334686

    	BUSINESS ADDRESS:
    		STREET 1:		10500 COURSEY BLVD
    		STREET 2:		THIRD FLOOR
    		CITY:			BATON ROUGE
    		STATE:			LA
    		ZIP:			70816
    		BUSINESS PHONE:		225-227-2222

    	MAIL ADDRESS:
    		STREET 1:		10500 COURSEY BLVD
    		STREET 2:		THIRD FLOOR
    		CITY:			BATON ROUGE
    		STATE:			LA
    		ZIP:			70816
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>424B3
    <SEQUENCE>1
    <FILENAME>istr20250919_424b3.htm
    <DESCRIPTION>FORM 424B3
    <TEXT>
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    <SEQUENCE>2
    <FILENAME>image1.jpg
    <TEXT>
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    <SEQUENCE>3
    <FILENAME>janneylogo2.jpg
    <TEXT>
    Document 3 - file: janneylogo2.jpg

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    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>janneysignature1.jpg
    <TEXT>
    Document 4 - file: janneysignature1.jpg

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    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>johndangelo.jpg
    <TEXT>
    Document 5 - file: johndangelo.jpg

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    <SEQUENCE>6
    <FILENAME>olsenpalmerlogo.jpg
    <TEXT>
    Document 6 - file: olsenpalmerlogo.jpg

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    <SEQUENCE>7
    <FILENAME>palmersig.jpg
    <TEXT>
    Document 7 - file: palmersig.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>sambeard.jpg
    <TEXT>
    Document 8 - file: sambeard.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>wfblogo.jpg
    <TEXT>
    Document 9 - file: wfblogo.jpg

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