0000842517-25-000104.txt : 20250509 0000842517-25-000104.hdr.sgml : 20250509 20250509161535 ACCESSION NUMBER: 0000842517-25-000104 CONFORMED SUBMISSION TYPE: 8-K PUBLIC DOCUMENT COUNT: 13 CONFORMED PERIOD OF REPORT: 20250506 ITEM INFORMATION: Submission of Matters to a Vote of Security Holders FILED AS OF DATE: 20250509 DATE AS OF CHANGE: 20250509 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: 8-K SEC ACT: 1934 Act SEC FILE NUMBER: 001-42639 FILM NUMBER: 25930626 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 8-K 1 isba-20250506.htm 8-K isba-20250506
0000842517false00008425172025-05-062025-05-06

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
 
 FORM 8-K
CURRENT REPORT
Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934
Date of Report (Date of earliest event reported): May 6, 2025
ISABELLA BANK CORPORATION
(Exact name of registrant as specified in its charter)
 
Michigan000-18415 38-2830092
(State or other jurisdiction
of incorporation)		(Commission
File Number)		 (IRS Employer
Identification No.)
401 North Main StreetMt. PleasantMichigan 48858-1649
(Address of principal executive offices) (Zip Code)
Registrant’s telephone number, including area code: (989) 772-9471
Not Applicable
(Former name or former address, if changed since last report.)
 
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:
☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐Soliciting material pursuant to Rule l4a-12 under the Exchange Act (17 CFR 240.l4a-l2)
☐Pre-commencement communications pursuant to Rule l4d-2(b) under the Exchange Act (17 CFR 240.l4d-2(b))
☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.l3e-4(c))
Securities registered pursuant to Section 12(b) of the Act:
Title of each classTrading
Symbol(s)		Name of each exchange on which registered
NoneN/AN/A
Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).
Emerging growth company☐
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ¨




Section 5 - Corporate Governance and Management
Item 5.07 Submission of Matters to a Vote of Security Holders.
    On May 6, 2025, Isabella Bank Corporation (the "Company") held its 2025 Annual Meeting of Shareholders. The matters listed below were submitted to a vote of the shareholders through the solicitation of proxies, and the proposals are described in the Company's Proxy Statement filed with the SEC on March 25, 2025. The certified results of the shareholder vote are as follows:
Proposal 1 - Election of Directors
    The following individuals were elected to serve as directors to hold office until the 2028 Annual Meeting of Shareholders.
NomineeForWithholdBroker  
Non-Votes
Neil M. McDonnell3,222,524 43,372 719,319 
Sarah R. Opperman3,230,938 34,958 719,319 
Chad R. Payton3,219,606 46,290 719,319 
Brian R. Sackett3,223,052 42,844 719,319 
Proposal 2 - Ratify the Appointment of Plante & Moran, PLLC
    The Company’s shareholders ratified the appointment of Plante & Moran, PLLC as the Company's independent registered public accounting firm for 2025, as set forth below.
ForAgainstAbstain
3,926,458 22,572 36,185 

SIGNATURES
    Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
 ISABELLA BANK CORPORATION
Dated: May 9, 2025 By:/s/ William M. Schaefer
 William M. Schaefer, CFO


 EX-101.SCH 2 isba-20250506.xsd XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT 0000001 - Document - Cover link:presentationLink link:calculationLink link:definitionLink EX-101.LAB 3 isba-20250506_lab.xml XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT Soliciting Material Soliciting Material Written Communications Written Communications Local Phone Number Local Phone Number Cover [Abstract] Document Period End Date Document Period End Date Pre-commencement Tender Offer Pre-commencement Tender Offer Amendment Flag Amendment Flag Entity Central Index Key Entity Central Index Key Pre-commencement Issuer Tender Offer Pre-commencement Issuer Tender Offer Entity Tax Identification Number Entity Tax Identification Number Entity Emerging Growth Company Entity Emerging Growth Company Entity File Number Entity File Number Entity Registrant Name Entity Registrant Name Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Entity Address, State or Province Entity Address, State or Province Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Address, City or Town Entity Address, City or Town Entity Address, Address Line One Entity Address, Address Line One Document Type Document Type City Area Code City Area Code EX-101.PRE 4 isba-20250506_pre.xml XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT XML 6 R1.htm IDEA: XBRL DOCUMENT v3.25.1
Cover
May 06, 2025
Cover [Abstract]  
Document Type 8-K
Document Period End Date May 06, 2025
Entity Registrant Name ISABELLA BANK CORP
Entity Incorporation, State or Country Code MI
Entity File Number 000-18415
Entity Tax Identification Number 38-2830092
Entity Address, Address Line One 401 North Main Street
Entity Address, City or Town Mt. Pleasant
Entity Address, State or Province MI
Entity Address, Postal Zip Code 48858-1649
City Area Code 989
Local Phone Number 772-9471
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Entity Central Index Key 0000842517
Amendment Flag false
EXCEL 7 Financial_Report.xlsx IDEA: XBRL DOCUMENT begin 644 Financial_Report.xlsx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end XML 8 Show.js IDEA: XBRL DOCUMENT // Edgar(tm) Renderer was created by staff of the U.S. Securities and Exchange Commission. Data and content created by government employees within the scope of their employment are not subject to domestic copyright protection. 17 U.S.C. 105. var Show={};Show.LastAR=null,Show.showAR=function(a,r,w){if(Show.LastAR)Show.hideAR();var e=a;while(e&&e.nodeName!='TABLE')e=e.nextSibling;if(!e||e.nodeName!='TABLE'){var ref=((window)?w.document:document).getElementById(r);if(ref){e=ref.cloneNode(!0); e.removeAttribute('id');a.parentNode.appendChild(e)}} if(e)e.style.display='block';Show.LastAR=e};Show.hideAR=function(){Show.LastAR.style.display='none'};Show.toggleNext=function(a){var e=a;while(e.nodeName!='DIV')e=e.nextSibling;if(!e.style){}else if(!e.style.display){}else{var d,p_;if(e.style.display=='none'){d='block';p='-'}else{d='none';p='+'} e.style.display=d;if(a.textContent){a.textContent=p+a.textContent.substring(1)}else{a.innerText=p+a.innerText.substring(1)}}} XML 9 report.css IDEA: XBRL DOCUMENT /* Updated 2009-11-04 */ /* v2.2.0.24 */ /* DefRef Styles */ .report table.authRefData{ background-color: #def; border: 2px solid #2F4497; font-size: 1em; position: absolute; } .report table.authRefData a { display: block; font-weight: bold; } .report table.authRefData p { margin-top: 0px; } .report table.authRefData .hide { background-color: #2F4497; padding: 1px 3px 0px 0px; text-align: right; } .report table.authRefData .hide a:hover { background-color: #2F4497; } .report table.authRefData .body { height: 150px; overflow: auto; width: 400px; } .report table.authRefData table{ font-size: 1em; } /* Report Styles */ .pl a, .pl a:visited { color: black; text-decoration: none; } /* table */ .report { background-color: white; border: 2px solid #acf; clear: both; color: black; font: normal 8pt Helvetica, Arial, san-serif; margin-bottom: 2em; } .report hr { border: 1px solid #acf; } /* Top labels */ .report th { background-color: #acf; color: black; font-weight: bold; text-align: center; } .report th.void { background-color: transparent; color: #000000; font: bold 10pt Helvetica, Arial, san-serif; text-align: left; } .report .pl { text-align: left; vertical-align: top; white-space: normal; width: 200px; white-space: normal; /* word-wrap: break-word; */ } .report td.pl a.a { cursor: pointer; display: block; width: 200px; overflow: hidden; } .report td.pl div.a { width: 200px; } .report td.pl a:hover { background-color: #ffc; } /* Header rows... */ .report tr.rh { background-color: #acf; color: black; font-weight: bold; } /* Calendars... */ .report .rc { background-color: #f0f0f0; } /* Even rows... */ .report .re, .report .reu { background-color: #def; } .report .reu td { border-bottom: 1px solid black; } /* Odd rows... */ .report .ro, .report .rou { background-color: white; } .report .rou td { border-bottom: 1px solid black; } .report .rou table td, .report .reu table td { border-bottom: 0px solid black; } /* styles for footnote marker */ .report .fn { white-space: nowrap; } /* styles for numeric types */ .report .num, .report .nump { text-align: right; white-space: nowrap; } .report .nump { padding-left: 2em; } .report .nump { padding: 0px 0.4em 0px 2em; } /* styles for text types */ .report .text { text-align: left; white-space: normal; } .report .text .big { margin-bottom: 1em; width: 17em; } .report .text .more { display: none; } .report .text .note { font-style: italic; font-weight: bold; } .report .text .small { width: 10em; } .report sup { font-style: italic; } .report .outerFootnotes { font-size: 1em; } XML 11 FilingSummary.xml IDEA: XBRL DOCUMENT 3.25.1 html 1 19 1 false 0 0 false 0 false false R1.htm 0000001 - Document - Cover Sheet http://www.isabellabank.com/role/Cover Cover Cover 1 false false All Reports Book All Reports isba-20250506.htm isba-20250506.xsd isba-20250506_lab.xml isba-20250506_pre.xml http://xbrl.sec.gov/dei/2025 true false JSON 13 MetaLinks.json IDEA: XBRL DOCUMENT { "version": "2.2", "instance": { "isba-20250506.htm": { "nsprefix": "isba", "nsuri": "http://www.isabellabank.com/20250506", "dts": { "inline": { "local": [ "isba-20250506.htm" ] }, "schema": { "local": [ "isba-20250506.xsd" ], "remote": [ "http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd", "http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd", "http://www.xbrl.org/2003/xl-2003-12-31.xsd", "http://www.xbrl.org/2003/xlink-2003-12-31.xsd", "http://www.xbrl.org/2005/xbrldt-2005.xsd", "http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd", "http://www.xbrl.org/lrr/role/net-2009-12-16.xsd", "https://www.xbrl.org/dtr/type/2024-01-31/types.xsd", "https://xbrl.sec.gov/dei/2025/dei-2025.xsd" ] }, "labelLink": { "local": [ "isba-20250506_lab.xml" ] }, "presentationLink": { "local": [ "isba-20250506_pre.xml" ] } }, "keyStandard": 19, "keyCustom": 0, "axisStandard": 0, "axisCustom": 0, "memberStandard": 0, "memberCustom": 0, "hidden": { "total": 2, "http://xbrl.sec.gov/dei/2025": 2 }, "contextCount": 1, "entityCount": 1, "segmentCount": 0, "elementCount": 20, "unitCount": 0, "baseTaxonomies": { "http://xbrl.sec.gov/dei/2025": 20 }, "report": { "R1": { "role": "http://www.isabellabank.com/role/Cover", "longName": "0000001 - Document - Cover", "shortName": "Cover", "isDefault": "true", "groupType": "document", "subGroupType": "", "menuCat": "Cover", "order": "1", "firstAnchor": { "contextRef": "c-1", "name": "dei:DocumentType", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "isba-20250506.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "dei:DocumentType", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "isba-20250506.htm", "first": true, "unique": true } } }, "tag": { "dei_AmendmentFlag": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "AmendmentFlag", "presentation": [ "http://www.isabellabank.com/role/Cover" ], "lang": { "en-us": { "role": { "terseLabel": "Amendment Flag", "label": "Amendment Flag", "documentation": "Boolean flag that is true when the XBRL content amends previously-filed or accepted submission." } } }, "auth_ref": [] }, "dei_CityAreaCode": { "xbrltype": "normalizedStringItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "CityAreaCode", "presentation": [ "http://www.isabellabank.com/role/Cover" ], "lang": { "en-us": { "role": { "terseLabel": "City Area Code", "label": "City Area Code", "documentation": "Area code of city" } } }, "auth_ref": [] }, "dei_CoverAbstract": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "CoverAbstract", "lang": { "en-us": { "role": { "label": "Cover [Abstract]", "documentation": "Cover page." } } }, "auth_ref": [] }, "dei_DocumentPeriodEndDate": { "xbrltype": "dateItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "DocumentPeriodEndDate", "presentation": [ "http://www.isabellabank.com/role/Cover" ], "lang": { "en-us": { "role": { "terseLabel": "Document Period End Date", "label": "Document Period End Date", "documentation": "For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period. The format of the date is YYYY-MM-DD." } } }, "auth_ref": [] }, "dei_DocumentType": { "xbrltype": "submissionTypeItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "DocumentType", "presentation": [ "http://www.isabellabank.com/role/Cover" ], "lang": { "en-us": { "role": { "terseLabel": "Document Type", "label": "Document Type", "documentation": "The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'." } } }, "auth_ref": [] }, "dei_EntityAddressAddressLine1": { "xbrltype": "normalizedStringItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "EntityAddressAddressLine1", "presentation": [ "http://www.isabellabank.com/role/Cover" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Address, Address Line One", "label": "Entity Address, Address Line One", "documentation": "Address Line 1 such as Attn, Building Name, Street Name" } } }, "auth_ref": [] }, "dei_EntityAddressCityOrTown": { "xbrltype": "normalizedStringItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "EntityAddressCityOrTown", "presentation": [ "http://www.isabellabank.com/role/Cover" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Address, City or Town", "label": "Entity Address, City or Town", "documentation": "Name of the City or Town" } } }, "auth_ref": [] }, "dei_EntityAddressPostalZipCode": { "xbrltype": "normalizedStringItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "EntityAddressPostalZipCode", "presentation": [ "http://www.isabellabank.com/role/Cover" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Address, Postal Zip Code", "label": "Entity Address, Postal Zip Code", "documentation": "Code for the postal or zip code" } } }, "auth_ref": [] }, "dei_EntityAddressStateOrProvince": { "xbrltype": "stateOrProvinceItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "EntityAddressStateOrProvince", "presentation": [ "http://www.isabellabank.com/role/Cover" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Address, State or Province", "label": "Entity Address, State or Province", "documentation": "Name of the state or province." } } }, "auth_ref": [] }, "dei_EntityCentralIndexKey": { "xbrltype": "centralIndexKeyItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "EntityCentralIndexKey", "presentation": [ "http://www.isabellabank.com/role/Cover" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Central Index Key", "label": "Entity Central Index Key", "documentation": "A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK." } } }, "auth_ref": [ "r0" ] }, "dei_EntityEmergingGrowthCompany": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "EntityEmergingGrowthCompany", "presentation": [ "http://www.isabellabank.com/role/Cover" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Emerging Growth Company", "label": "Entity Emerging Growth Company", "documentation": "Indicate if registrant meets the emerging growth company criteria." } } }, "auth_ref": [ "r0" ] }, "dei_EntityFileNumber": { "xbrltype": "fileNumberItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "EntityFileNumber", "presentation": [ "http://www.isabellabank.com/role/Cover" ], "lang": { "en-us": { "role": { "terseLabel": "Entity File Number", "label": "Entity File Number", "documentation": "Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen." } } }, "auth_ref": [] }, "dei_EntityIncorporationStateCountryCode": { "xbrltype": "edgarStateCountryItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "EntityIncorporationStateCountryCode", "presentation": [ "http://www.isabellabank.com/role/Cover" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Incorporation, State or Country Code", "label": "Entity Incorporation, State or Country Code", "documentation": "Two-character EDGAR code representing the state or country of incorporation." } } }, "auth_ref": [] }, "dei_EntityRegistrantName": { "xbrltype": "normalizedStringItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "EntityRegistrantName", "presentation": [ "http://www.isabellabank.com/role/Cover" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Registrant Name", "label": "Entity Registrant Name", "documentation": "The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC." } } }, "auth_ref": [ "r0" ] }, "dei_EntityTaxIdentificationNumber": { "xbrltype": "employerIdItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "EntityTaxIdentificationNumber", "presentation": [ "http://www.isabellabank.com/role/Cover" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Tax Identification Number", "label": "Entity Tax Identification Number", "documentation": "The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS." } } }, "auth_ref": [ "r0" ] }, "dei_LocalPhoneNumber": { "xbrltype": "normalizedStringItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "LocalPhoneNumber", "presentation": [ "http://www.isabellabank.com/role/Cover" ], "lang": { "en-us": { "role": { "terseLabel": "Local Phone Number", "label": "Local Phone Number", "documentation": "Local phone number for entity." } } }, "auth_ref": [] }, "dei_PreCommencementIssuerTenderOffer": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "PreCommencementIssuerTenderOffer", "presentation": [ "http://www.isabellabank.com/role/Cover" ], "lang": { "en-us": { "role": { "terseLabel": "Pre-commencement Issuer Tender Offer", "label": "Pre-commencement Issuer Tender Offer", "documentation": "Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act." } } }, "auth_ref": [ "r1" ] }, "dei_PreCommencementTenderOffer": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "PreCommencementTenderOffer", "presentation": [ "http://www.isabellabank.com/role/Cover" ], "lang": { "en-us": { "role": { "terseLabel": "Pre-commencement Tender Offer", "label": "Pre-commencement Tender Offer", "documentation": "Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act." } } }, "auth_ref": [ "r3" ] }, "dei_SolicitingMaterial": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "SolicitingMaterial", "presentation": [ "http://www.isabellabank.com/role/Cover" ], "lang": { "en-us": { "role": { "terseLabel": "Soliciting Material", "label": "Soliciting Material", "documentation": "Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as soliciting material pursuant to Rule 14a-12 under the Exchange Act." } } }, "auth_ref": [ "r2" ] }, "dei_WrittenCommunications": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "WrittenCommunications", "presentation": [ "http://www.isabellabank.com/role/Cover" ], "lang": { "en-us": { "role": { "terseLabel": "Written Communications", "label": "Written Communications", "documentation": "Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as written communications pursuant to Rule 425 under the Securities Act." } } }, "auth_ref": [ "r4" ] } } } }, "std_ref": { "r0": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Exchange Act", "Number": "240", "Section": "12", "Subsection": "b-2" }, "r1": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Exchange Act", "Number": "240", "Section": "13e", "Subsection": "4c" }, "r2": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Exchange Act", "Number": "240", "Section": "14a", "Subsection": "12" }, "r3": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Exchange Act", "Number": "240", "Section": "14d", "Subsection": "2b" }, "r4": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Securities Act", "Number": "230", "Section": "425" } } } ZIP 14 0000842517-25-000104-xbrl.zip IDEA: XBRL DOCUMENT begin 644 0000842517-25-000104-xbrl.zip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end XML 15 isba-20250506_htm.xml IDEA: XBRL DOCUMENT 0000842517 2025-05-06 2025-05-06 0000842517 false 8-K 2025-05-06 ISABELLA BANK CORP MI 000-18415 38-2830092 401 North Main Street Mt. Pleasant MI 48858-1649 989 772-9471 false false false false false 2025-05-06