{"schema_version":"secwatch.filing_event.v1","accession":"0000842517-25-000089","form_type":"8-K","ticker":"ISBA","cik":"0000842517","company_name":"ISABELLA BANK CORP","filed_at":"2025-05-01T23:59:59+00:00","discovered_at":"2026-05-14T18:02:51.447336+00:00","generated_at":"2026-05-23T01:33:20.188598+00:00","sec_items":["8.01","9.01"],"event_type":"other_material","sentiment":"positive","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Isabella Bank Corp increases share repurchase authorization by 500,000 shares","bullets":["Board approved 500,000 additional shares; authorization available now 538,448 shares.","Since 2007, company repurchased 2,554,126 shares under the program.","Authorization has no expiration date; purchases depend on price, market conditions, and plan needs.","Program may be modified, suspended, or terminated at any time without prior notice."],"urls":{"canonical":"https://secwatch.observer/filing/0000842517-25-000089","json":"https://secwatch.observer/filing/0000842517-25-000089.json","markdown":"https://secwatch.observer/filing/0000842517-25-000089.md","text":"https://secwatch.observer/filing/0000842517-25-000089.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/842517/000084251725000089/0000842517-25-000089-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/842517/000084251725000089/isba-20250501.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-23T01:33:20.188598+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"}