# Isabella Bank Corp (ISBA)

> Cited company facts from SEC filings, by Steadybase. Web page: https://steadybase.io/company/isabella-bank-corp/ JSON: https://steadybase.io/company/isabella-bank-corp.json Checked Nov 10, 2026. Latest filing read: Oct 30, 2026.

## Company

- Legal name: ISABELLA BANK CORP
- Ticker: ISBA (Nasdaq)
- SEC CIK: 0000842517
- Industry: State Commercial Banks (SIC 6022)
- Headquarters: Mt Pleasant, MI
- Fiscal year ends: December 31
- SEC filer category: Accelerated filer<br>Smaller reporting company
- Website: isabellabank.com
- Investor relations: https://www.isabellabank.com/investors
- LinkedIn: https://www.linkedin.com/company/isabella-bank
- Next earnings date: Jan 27, 2027 (estimated from past 8-K timing)

## Key facts

- Revenue: $96.0M for the fiscal year ended Dec 31, 2025 (10-K filed Mar 13, 2026). Source: https://www.sec.gov/Archives/edgar/data/842517/000084251726000069/0000842517-26-000069-index.html
- Net income: $18.9M for the fiscal year ended Dec 31, 2025 (10-K filed Mar 13, 2026). Source: https://www.sec.gov/Archives/edgar/data/842517/000084251726000069/0000842517-26-000069-index.html
- Employees: 362 as of Dec 31, 2025, as reported in an SEC filing. Source: https://www.sec.gov/Archives/edgar/data/842517/000084251726000069/isba-20251231.htm
- Shares outstanding: 7,651,045 as of Oct 28, 2026 (10-Q filed Oct 30, 2026). Source: https://www.sec.gov/Archives/edgar/data/842517/000084251726000236/0000842517-26-000236-index.html
- Auditor: Plante & Moran, Pllc, Grand Rapids, Michigan, named in the latest 10-K. Source: https://www.sec.gov/Archives/edgar/data/842517/000084251726000069/isba-20251231.htm

## Business

Isabella Bank Corporation is a registered financial holding company registered under the BHC Act. The Corporation was incorporated in September 1988 under Michigan law. The Corporation’s wholly owned subsidiary, Isabella Bank, has 31 offices located throughout Bay, Clare, Gratiot, Isabella, Mecosta, Midland, Montcalm, and Saginaw counties. The area includes significant agricultural production, manufacturing, retail, gaming and tourism, and several colleges and universities.

Source: Item 1. Business, https://www.sec.gov/Archives/edgar/data/842517/000084251726000069/isba-20251231.htm

## Annual results

| Fiscal year ended | Revenue | Net income |
|---|---|---|
| Dec 31, 2025 | $96.0M | $18.9M |
| Dec 31, 2024 | $90.0M | $13.9M |
| Dec 31, 2023 | $79.6M | $18.2M |
| Dec 31, 2022 | $65.8M | $22.2M |
| Dec 31, 2021 | $60.1M | $19.5M |

Each figure comes from the annual report for that year. Filing links for every figure: https://steadybase.io/company/isabella-bank-corp.json

## Officers and directors

- Jerome E. Schwind, President & CEO. LinkedIn: https://linkedin.com/in/jerome-schwind-05a12a5b. Source: Form 4 filed Sep 3, 2026, https://www.sec.gov/Archives/edgar/data/842517/000084251726000205/0000842517-26-000205-index.htm
- Gerald J. Ritzert, Chief Financial Officer (Principal Financial Officer). LinkedIn: https://linkedin.com/in/jerry-ritzert-91630122. Source: 10-K filed Mar 13, 2026, https://www.sec.gov/Archives/edgar/data/842517/000084251726000069/isba-20251231.htm
- CEO Jerome Schwind, President and. Source: 8-K filed Oct 29, 2026, https://www.sec.gov/Archives/edgar/data/842517/000084251726000233/earningsrelease_20260930xe.htm
- Neil Michael McDonnell, President. Source: Form 4 filed Sep 3, 2026, https://www.sec.gov/Archives/edgar/data/842517/000084251726000201/0000842517-26-000201-index.htm
- Erika M. Ross, Chief Operations Officer. Source: Form 3 filed Jul 8, 2026, https://www.sec.gov/Archives/edgar/data/842517/000084251726000171/0000842517-26-000171-index.htm
- Jennifer L. Gill, Controller. Source: 10-K filed Mar 13, 2026, https://www.sec.gov/Archives/edgar/data/842517/000084251726000069/isba-20251231.htm
- Jon D. Catlin, Chief Credit Officer. LinkedIn: https://linkedin.com/in/jon-catlin-a206865. Source: Form 4 filed Mar 4, 2026, https://www.sec.gov/Archives/edgar/data/842517/000084251726000067/0000842517-26-000067-index.htm
- Michael Kyle Huenemann, Chief Lending Officer. Source: Form 4 filed Mar 4, 2026, https://www.sec.gov/Archives/edgar/data/842517/000084251726000065/0000842517-26-000065-index.htm
- Brian B. Tessin, Director. Source: 10-K filed Mar 13, 2026, https://www.sec.gov/Archives/edgar/data/842517/000084251726000069/isba-20251231.htm
- Brian R. Sackett, Director. Source: 10-K filed Mar 13, 2026, https://www.sec.gov/Archives/edgar/data/842517/000084251726000069/isba-20251231.htm
- David B. Behen, Director. Source: 10-K filed Mar 13, 2026, https://www.sec.gov/Archives/edgar/data/842517/000084251726000069/isba-20251231.htm
- Jae A. Evans, Director. Source: 10-K filed Mar 13, 2026, https://www.sec.gov/Archives/edgar/data/842517/000084251726000069/isba-20251231.htm
- Jill Bourland, Director. Source: 10-K filed Mar 13, 2026, https://www.sec.gov/Archives/edgar/data/842517/000084251726000069/isba-20251231.htm
- Melinda M. Coffin, Director. Source: 10-K filed Mar 13, 2026, https://www.sec.gov/Archives/edgar/data/842517/000084251726000069/isba-20251231.htm
- Neil M. McDonnell, Isabella Bank President and Director. Source: 10-K filed Mar 13, 2026, https://www.sec.gov/Archives/edgar/data/842517/000084251726000069/isba-20251231.htm
- Sarah R. Opperman, Director. Source: 10-K filed Mar 13, 2026, https://www.sec.gov/Archives/edgar/data/842517/000084251726000069/isba-20251231.htm
- Vicki L. Rupp, Director. Source: 10-K filed Mar 13, 2026, https://www.sec.gov/Archives/edgar/data/842517/000084251726000069/isba-20251231.htm

## Recent 8-K events

- Nov 2, 2026: Item 2.01, Completion of acquisition or disposition of assets; Item 8.01, Other events; Item 9.01, Financial statements and exhibits. Source: https://www.sec.gov/Archives/edgar/data/842517/000084251726000238/isba-20261102.htm
- Oct 29, 2026: Item 2.02, Results of operations and financial condition (earnings release); Item 9.01, Financial statements and exhibits. Source: https://www.sec.gov/Archives/edgar/data/842517/000084251726000233/isba-20261029.htm
- Oct 6, 2026: Item 8.01, Other events; Item 9.01, Financial statements and exhibits. Source: https://www.sec.gov/Archives/edgar/data/842517/000084251726000227/isba-20261005.htm
- Sep 28, 2026: Item 8.01, Other events. Source: https://www.sec.gov/Archives/edgar/data/842517/000084251726000224/isba-20260928.htm
- Sep 21, 2026: Item 8.01, Other events. Source: https://www.sec.gov/Archives/edgar/data/842517/000084251726000222/isba-20260921.htm
- Aug 27, 2026: Item 8.01, Other events; Item 9.01, Financial statements and exhibits. Source: https://www.sec.gov/Archives/edgar/data/842517/000084251726000190/isba-20260827.htm
- Aug 14, 2026: Item 5.02, Departure or appointment of directors or officers; compensation; Item 9.01, Financial statements and exhibits. Source: https://www.sec.gov/Archives/edgar/data/842517/000084251726000184/isba-20260811.htm
- Jul 23, 2026: Item 2.02, Results of operations and financial condition (earnings release); Item 9.01, Financial statements and exhibits. Source: https://www.sec.gov/Archives/edgar/data/842517/000084251726000176/isba-20260723.htm
- Jun 16, 2026: Item 1.01, Entry into a material definitive agreement; Item 9.01, Financial statements and exhibits. Source: https://www.sec.gov/Archives/edgar/data/842517/000084251726000163/isba-20260616.htm
- Jun 15, 2026: Item 1.01, Entry into a material definitive agreement; Item 9.01, Financial statements and exhibits. Source: https://www.sec.gov/Archives/edgar/data/842517/000084251726000158/isba-20260611.htm

## Insider trades (Form 4)

- Oct 16, 2026: Jill Bourland (Director) bought 8.172 shares, about $300. Source: https://www.sec.gov/Archives/edgar/data/842517/000084251726000229/0000842517-26-000229-index.htm
- Sep 16, 2026: Jill Bourland (Director) bought 7.61 shares, about $300. Source: https://www.sec.gov/Archives/edgar/data/842517/000084251726000220/0000842517-26-000220-index.htm
- Aug 17, 2026: Jill Bourland (Director) bought 7.21 shares, about $300. Source: https://www.sec.gov/Archives/edgar/data/842517/000084251726000186/0000842517-26-000186-index.htm
- Jul 16, 2026: Jill Bourland (Director) bought 7.68 shares, about $300. Source: https://www.sec.gov/Archives/edgar/data/842517/000084251726000173/0000842517-26-000173-index.htm
- Jun 16, 2026: Jill Bourland (Director) bought 7.24 shares, about $300. Source: https://www.sec.gov/Archives/edgar/data/842517/000084251726000165/0000842517-26-000165-index.htm
- May 18, 2026: Jill Bourland (Director) bought 7.31 shares, about $300. Source: https://www.sec.gov/Archives/edgar/data/842517/000084251726000105/0000842517-26-000105-index.htm
- Apr 16, 2026: Jill Bourland (Director) bought 6.14 shares, about $300. Source: https://www.sec.gov/Archives/edgar/data/842517/000084251726000090/0000842517-26-000090-index.htm
- Mar 16, 2026: Jill Bourland (Director) bought 6.81 shares, about $300. Source: https://www.sec.gov/Archives/edgar/data/842517/000084251726000073/0000842517-26-000073-index.htm
- Mar 2, 2026: Jon D. Catlin (Chief Credit Officer) bought 103 shares, about $3,241. Source: https://www.sec.gov/Archives/edgar/data/842517/000084251726000067/0000842517-26-000067-index.htm
- Mar 2, 2026: Michael Kyle Huenemann (Chief Lending Officer) bought 61 shares, about $1,920. Source: https://www.sec.gov/Archives/edgar/data/842517/000084251726000065/0000842517-26-000065-index.htm
- Mar 2, 2026: Neil Michael McDonnell (President) bought 55 shares, about $1,731. Source: https://www.sec.gov/Archives/edgar/data/842517/000084251726000063/0000842517-26-000063-index.htm
- Mar 2, 2026: Jerome E. Schwind (President & CEO) bought 396 shares, about $12,462. Source: https://www.sec.gov/Archives/edgar/data/842517/000084251726000062/0000842517-26-000062-index.htm
- Feb 17, 2026: Jill Bourland (Director) bought 5.85 shares, about $300. Source: https://www.sec.gov/Archives/edgar/data/842517/000084251726000031/0000842517-26-000031-index.htm
- Jan 20, 2026: Sarah R. Opperman (Director) bought 277.33 shares, about $13,750. Source: https://www.sec.gov/Archives/edgar/data/842517/000084251726000019/0000842517-26-000019-index.htm
- Jan 20, 2026: Brian Roy Sackett (Director) bought 403.39 shares, about $20,000. Source: https://www.sec.gov/Archives/edgar/data/842517/000084251726000018/0000842517-26-000018-index.htm

## What management said

- "Isabella Bank Corporation reported a record quarter of net income, supported by continued expansion in our net interest margin" CEO Jerome Schwind, President and (8-K filed Oct 29, 2026). Source: https://www.sec.gov/Archives/edgar/data/842517/000084251726000233/earningsrelease_20260930xe.htm

## Latest filings

- 8-K filed Nov 2, 2026: https://www.sec.gov/Archives/edgar/data/842517/000084251726000238/isba-20261102.htm
- 10-K filed Mar 13, 2026: https://www.sec.gov/Archives/edgar/data/842517/000084251726000069/isba-20251231.htm
- 10-Q filed Oct 30, 2026: https://www.sec.gov/Archives/edgar/data/842517/000084251726000236/isba-20260930.htm
- DEF 14A filed Mar 23, 2026: https://www.sec.gov/Archives/edgar/data/842517/000084251726000082/isba-20260318.htm

## About this data

SEC EDGAR filings, read by Steadybase. Every value links to the filing it came from.
Steadybase covers US-headquartered public companies that file with the SEC. API and MCP access: https://steadybase.io/docs/