secwatch.observer — SEC 8-K summary ====================================== Issuer: ISABELLA BANK CORP (ISBA) CIK: 0000842517 Form: 8-K Filed at: 2025-09-02T23:59:59+00:00 Accession: 0000842517-25-000142 Event type: leadership Sentiment: neutral Materiality: 0.50 Item codes: 5.02 LLM model: deepseek-v4-flash:cloud@v2 Isabella Bank terminates CFO Schaefer; McDonnell named interim CFO ------------------------------------------------------------------ - William M. Schaefer terminated as CFO effective Aug 28, 2025; no disagreement on operations or controls. - Neil McDonnell, President of Isabella Bank, appointed interim CFO; he served as CFO for six years before becoming Bank President in Jan 2024. - National search for a permanent CFO is underway; McDonnell will continue as Bank President. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/842517/000084251725000142/0000842517-25-000142-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/842517/000084251725000142/isba-20250828.htm HTML page: https://secwatch.observer/filing/0000842517-25-000142 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer