secwatch.observer — SEC 8-K summary
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Issuer:     ISABELLA BANK CORP (ISBA)
CIK:        0000842517
Form:       8-K
Filed at:   2026-01-05T23:59:59+00:00
Accession:  0000842517-26-000002
Event type: leadership
Sentiment:  neutral
Materiality: 0.50
Item codes: 5.02, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

Isabella Bank appoints Gerald J. Ritzert as CFO effective January 5, 2026
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- Ritzert, age 56, brings over 30 years of banking finance experience.
- Most recently EVP and CFO of First National Bank & Trust in Beloit, WI since 2021.
- Previously served as CFO of Dollar Bank, FSB in Pittsburgh, PA.
- Succeeds Neil McDonnell, who had been acting interim CFO since August 2025.
- Ritzert is a CPA with a B.S. in Accounting from Robert Morris College.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/842517/000084251726000002/0000842517-26-000002-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/842517/000084251726000002/isba-20260105.htm
  HTML page:      https://secwatch.observer/filing/0000842517-26-000002

License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer