{"schema_version":"secwatch.filing_event.v1","accession":"0000842517-24-000183","form_type":"8-K","ticker":"ISBA","cik":"0000842517","company_name":"ISABELLA BANK CORP","filed_at":"2024-10-09T23:59:59+00:00","discovered_at":"2026-05-14T18:03:11.138657+00:00","generated_at":"2026-05-30T17:36:08.805211+00:00","sec_items":["8.01"],"event_type":"other_material","sentiment":"negative","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"Isabella Bank reports $1.6M loss from single customer deposit accounts; total exposure $4.0M","bullets":["Negative deposit balances from one customer cause $1.6M loss; recovery efforts underway.","Total exposure of $4.0M includes loans and lines of credit secured by real estate and other assets.","Bank evaluating potential credit losses and pursuing all available recovery options.","Financial impact may be lower depending on success of recovery efforts."],"urls":{"canonical":"https://secwatch.observer/filing/0000842517-24-000183","json":"https://secwatch.observer/filing/0000842517-24-000183.json","markdown":"https://secwatch.observer/filing/0000842517-24-000183.md","text":"https://secwatch.observer/filing/0000842517-24-000183.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/842517/000084251724000183/0000842517-24-000183-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/842517/000084251724000183/isba-20241009.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-30T17:36:08.805211+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"}