{"schema_version":"secwatch.filing_event.v1","accession":"0000842517-26-000085","form_type":"8-K","ticker":"ISBA","cik":"0000842517","company_name":"ISABELLA BANK CORP","filed_at":"2026-03-25T23:59:59+00:00","discovered_at":"2026-05-14T18:02:37.810393+00:00","generated_at":"2026-05-15T09:08:41.334031+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.2,"calibrated_materiality_score":0.2,"confidence":"high","headline":"Jae A. Evans resigns from Isabella Bank Corp board, effective March 23, 2026","bullets":["Jae A. Evans resigned from the boards of Isabella Bank Corporation and its subsidiary Isabella Bank.","Resignation effective as of close of business on March 23, 2026.","No known disagreement between Evans and the company on any matter relating to operations, policies, or practices."],"urls":{"canonical":"https://secwatch.observer/filing/0000842517-26-000085","json":"https://secwatch.observer/filing/0000842517-26-000085.json","markdown":"https://secwatch.observer/filing/0000842517-26-000085.md","text":"https://secwatch.observer/filing/0000842517-26-000085.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/842517/000084251726000085/0000842517-26-000085-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/842517/000084251726000085/isba-20260323.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-15T09:08:41.334031+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}