{"schema_version":"secwatch.filing_event.v1","accession":"0000842517-26-000227","form_type":"8-K","ticker":"ISBA","cik":"0000842517","company_name":"ISABELLA BANK CORP","filed_at":"2026-10-06T20:53:48+00:00","discovered_at":"2026-10-06T20:55:00.424293+00:00","generated_at":"2026-10-12T16:11:11.716168+00:00","sec_items":["8.01","9.01"],"event_type":"m_and_a","sentiment":"positive","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"Isabella Bank receives all regulatory approvals for Grand River merger; closing expected Nov 2, 2026","bullets":["Isabella Bank Corp (Nasdaq: ISBA) says all required regulatory approvals are in hand to complete its merger with Grand River Commerce, Inc. (OTCQX: GNRV).","Grand River shareholders voted to approve the merger on September 18, 2026.","Deal is under an Agreement and Plan of Merger dated June 11, 2026 among Isabella, Grand River and 401 Merger Sub, Inc.","Closing is expected November 2, 2026, subject to satisfaction of customary closing conditions; no deal value or exchange ratio disclosed.","Isabella cites risks including dilution from issuing additional ISBA shares in the transaction and integration cost/timing uncertainties."],"urls":{"canonical":"https://secwatch.observer/filing/0000842517-26-000227","json":"https://secwatch.observer/filing/0000842517-26-000227.json","markdown":"https://secwatch.observer/filing/0000842517-26-000227.md","text":"https://secwatch.observer/filing/0000842517-26-000227.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/842517/000084251726000227/0000842517-26-000227-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/842517/000084251726000227/isba-20261005.htm"},"model":{"generated_by":"deepseek-v4.1-flash:cloud@v2","generated_at":"2026-10-12T16:11:11.716168+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"}