{"schema_version":"secwatch.filing_event.v1","accession":"0001140361-24-049470","form_type":"8-K","ticker":"NBTB","cik":"0000790359","company_name":"NBT BANCORP INC","filed_at":"2024-12-13T23:59:59+00:00","discovered_at":"2026-05-14T18:03:11.028016+00:00","generated_at":"2026-05-29T03:48:22.321677+00:00","sec_items":["8.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"NBT Bancorp supplements merger proxy after eight demand letters and two lawsuits","bullets":["Evans received 8 demand letters (Oct 30–Dec 9, 2024) and two NY state complaints alleging incomplete proxy disclosures.","NBT and Evans supplement proxy with revised Piper Sandler peer-group tables and discount-rate methodology (Evans ~10.87%, NBT ~8.87%).","Company denies allegations and legal necessity but supplements to avoid delay/cost; merger agreement (Sept 9, 2024) remains in effect.","Supplemental disclosures cover comparable-company analyses, precedent transactions, and net-present-value analyses for the fairness opinion."],"urls":{"canonical":"https://secwatch.observer/filing/0001140361-24-049470","json":"https://secwatch.observer/filing/0001140361-24-049470.json","markdown":"https://secwatch.observer/filing/0001140361-24-049470.md","text":"https://secwatch.observer/filing/0001140361-24-049470.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/790359/000114036124049470/0001140361-24-049470-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/790359/000114036124049470/ef20039973_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-29T03:48:22.321677+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"}