<SEC-DOCUMENT>0000842517-21-000032-index.html : 20210226
<SEC-HEADER>0000842517-21-000032.hdr.sgml : 20210226
<ACCEPTANCE-DATETIME>20210226135746
ACCESSION NUMBER:		0000842517-21-000032
CONFORMED SUBMISSION TYPE:	S-3DPOS
PUBLIC DOCUMENT COUNT:		13
FILED AS OF DATE:		20210226
DATE AS OF CHANGE:		20210226
EFFECTIVENESS DATE:		20210226

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ISABELLA BANK Corp
		CENTRAL INDEX KEY:			0000842517
		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
		IRS NUMBER:				382830092
		STATE OF INCORPORATION:			MI
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		S-3DPOS
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-249855
		FILM NUMBER:		21687112

	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:	20080602

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	IBT BANCORP INC /MI/
		DATE OF NAME CHANGE:	19920703
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<TYPE>S-3DPOS
<SEQUENCE>1
<FILENAME>isba_2021xformxs-3dxpos.htm
<DESCRIPTION>S-3DPOS
<TEXT>
Document 1 - file: isba_2021xformxs-3dxpos.htm

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<DOCUMENT>
<TYPE>EX-5
<SEQUENCE>2
<FILENAME>isba_2021xs3dxposxex5.htm
<DESCRIPTION>EX-5
<TEXT>
Document 2 - file: isba_2021xs3dxposxex5.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-10.1
<SEQUENCE>3
<FILENAME>isba_2021xs3dxposxex101.htm
<DESCRIPTION>EX-10.1
<TEXT>
Document 3 - file: isba_2021xs3dxposxex101.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>4
<FILENAME>isba_2021xs3dxposxex231.htm
<DESCRIPTION>EX-23.1
<TEXT>
Document 4 - file: isba_2021xs3dxposxex231.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.2
<SEQUENCE>5
<FILENAME>isba_2021xs3dxposxex232.htm
<DESCRIPTION>EX-23.2
<TEXT>
Document 5 - file: isba_2021xs3dxposxex232.htm

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<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>6
<FILENAME>isba_2021xs3dxposxex991.htm
<DESCRIPTION>EX-99.1
<TEXT>
Document 6 - file: isba_2021xs3dxposxex991.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.2
<SEQUENCE>7
<FILENAME>isba_2021xs3dxxposxex992.htm
<DESCRIPTION>EX-99.2
<TEXT>
Document 7 - file: isba_2021xs3dxxposxex992.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.3
<SEQUENCE>8
<FILENAME>isba_2021xs3dxxposxex993.htm
<DESCRIPTION>EX-99.3
<TEXT>
Document 8 - file: isba_2021xs3dxxposxex993.htm

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<DOCUMENT>
<TYPE>EX-99.4
<SEQUENCE>9
<FILENAME>isba_2021xs3dxposxex994.htm
<DESCRIPTION>EX-99.4
<TEXT>
Document 9 - file: isba_2021xs3dxposxex994.htm

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<TYPE>GRAPHIC
<SEQUENCE>10
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<DESCRIPTION>GRAPHIC
<TEXT>
Document 10 - file: fosterswiftlogoa011.jpg

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<TYPE>GRAPHIC
<SEQUENCE>11
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<DESCRIPTION>GRAPHIC
<TEXT>
Document 11 - file: fosterswiftwebsitea021.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>12
<FILENAME>isbalogoa111.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 12 - file: isbalogoa111.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>13
<FILENAME>isbalogoa111a.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 13 - file: isbalogoa111a.jpg

</DOCUMENT>
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