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ISABELLA BANK Corp

For the period ended Dec 31, 2024. Filed Mar 12, 2025.

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About this filing

A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.

FY2024 · Filed Mar 12, 2025

ISBA$41.14+1.2%Stored close · as of Nov 9, 2026

Extracted filing text, with the paragraph anchors used by the comparison.

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Table of Contents

ISABELLA BANK CORPORATION

ANNUAL REPORT ON FORM 10-K

PART I4
Item 1.Business4
Item 1A.Risk Factors6
Item 1B.Unresolved Staff Comments13
Item 1C.Cybersecurity13
Item 2.Properties14
Item 3.Legal Proceedings14
Item 4.Mine Safety Disclosures14
PART II15
Item 5.Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities15
Item 6.[Reserved]16
Item 7.Management’s Discussion and Analysis of Financial Condition and Results of Operations17
Item 7A.Quantitative and Qualitative Disclosures About Market Risk33
Item 8.Financial Statements and Supplementary Data34
Item 9.Changes in and Disagreements With Accountants on Accounting and Financial Disclosure89
Item 9A.Controls and Procedures89
Item 9B.Other Information90
Item 9C.Disclosure Regarding Foreign Jurisdictions that Prevent Inspections90
PART III91
Item 10.Directors, Executive Officers and Corporate Governance91
Item 11.Executive Compensation91
Item 12.Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters91
Item 13.Certain Relationships and Related Transactions, and Director Independence92
Item 14.Principal Accountant Fees and Services92
PART IV93
Item 15.Exhibit and Financial Statement Schedules93
SIGNATURES95

Glossary of Acronyms and Abbreviations

The acronyms and abbreviations identified below may be used throughout this Annual Report on Form 10-K or in our other SEC filings. You may find it helpful to refer back to this page while reading this report.

ACL: Allowance for credit lossesFTE: Fully taxable equivalent
AFS: Available-for-saleGAAP: U.S. generally accepted accounting principles
ALCO: Asset-Liability CommitteeHFI: Held-for-investment
ALLL: Allowance for loan and lease lossesHFS: Held-for-sale
AOCI: Accumulated other comprehensive incomeIRR: Interest rate risk
ASC: FASB Accounting Standards CodificationIT: Information Technology
ASU: FASB Accounting Standards UpdateN/A: Not applicable
ATM: Automated teller machineN/M: Not meaningful
BHC Act: Bank Holding Company Act of 1956NASDAQ: NASDAQ Stock Market Index
Board: Board of Directors of Isabella Bank CorporationNAV: Net asset value
BOLI: Bank-owned life insuranceNIM: Net Interest Margin
CECL: Current expected credit lossesNSF: Non-sufficient funds
CFPB: Consumer Financial Protection BureauNYSE: New York Stock Exchange
CIK: Central Index KeyOCI: Other comprehensive income (loss)
DIF: Deposit Insurance FundOMSR: Originated mortgage servicing rights
DIFS: Department of Insurance and Financial ServicesOREO: Other real estate owned
Directors Plan: Isabella Bank Corporation and Related Companies Deferred Compensation Plan for DirectorsPCAOB: Public Company Accounting Oversight Board
Dividend Reinvestment Plan: Isabella Bank Corporation Stockholder Dividend Reinvestment Plan and Employee Stock Purchase PlanRabbi Trust: A trust established to fund our Directors Plan
Exchange Act: Securities Exchange Act of 1934RSP: Isabella Bank Corporation Restricted Stock Plan
FASB: Financial Accounting Standards BoardSOFR: Secured Overnight Financing Rate
FDIC: Federal Deposit Insurance CorporationSEC: U.S. Securities and Exchange Commission
FFIEC: Federal Financial Institutions Examinations CouncilSOX: Sarbanes-Oxley Act of 2002
FHLB: Federal Home Loan BankXBRL: eXtensible Business Reporting Language
FRB: Federal Reserve BankYield Curve: U.S. Treasury Yield Curve
Freddie Mac: Federal Home Loan Mortgage Corporation

PART I

ContentsView on SEC.gov

The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.