<SEC-DOCUMENT>0000842517-26-000088-index.html : 20260416
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<ACCEPTANCE-DATETIME>20260416160119
ACCESSION NUMBER:		0000842517-26-000088
CONFORMED SUBMISSION TYPE:	S-3
PUBLIC DOCUMENT COUNT:		21
FILED AS OF DATE:		20260416
DATE AS OF CHANGE:		20260416

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ISABELLA BANK CORP
		CENTRAL INDEX KEY:			0000842517
		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
		ORGANIZATION NAME:           	02 Finance
		EIN:				382830092
		STATE OF INCORPORATION:			MI
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		S-3
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-295098
		FILM NUMBER:		26867435

	BUSINESS ADDRESS:	
		STREET 1:		401 NORTH MAIN STREET
		CITY:			MT PLEASANT
		STATE:			MI
		ZIP:			48858
		BUSINESS PHONE:		9897729471

	MAIL ADDRESS:	
		STREET 1:		401 NORTH MAIN STREET
		CITY:			MT PLEASANT
		STATE:			MI
		ZIP:			48858

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ISABELLA BANK Corp
		DATE OF NAME CHANGE:	20170403

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ISABELLA BANK CORP
		DATE OF NAME CHANGE:	20080602

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	IBT BANCORP INC /MI/
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
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Document 1 - file: isba_2026xformxs-3.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-FILING FEES
<SEQUENCE>2
<FILENAME>exfilingfees.htm
<DESCRIPTION>EX-FILING FEES
<TEXT>
Document 2 - file: exfilingfees.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.5
<SEQUENCE>3
<FILENAME>isba_s3x2026xexhibitx45.htm
<DESCRIPTION>EX-4.5
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Document 3 - file: isba_s3x2026xexhibitx45.htm

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<DOCUMENT>
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<DESCRIPTION>EX-5.1
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Document 5 - file: isba_s3x2026xexhibitx51.htm

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<SEQUENCE>6
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<DESCRIPTION>EX-5.2
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<DESCRIPTION>EX-23.1
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<TYPE>GRAPHIC
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<DESCRIPTION>FSCS WEBSITE
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<TYPE>GRAPHIC
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<DESCRIPTION>HUNTON
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<SEQUENCE>17
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<SEQUENCE>18
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<SEQUENCE>20
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