{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-26-064982","form_type":"8-K","ticker":"NBBK","cik":"0001979330","company_name":"NB Bancorp, Inc.","filed_at":"2026-05-21T15:30:24+00:00","discovered_at":"2026-05-21T15:32:00.221155+00:00","generated_at":"2026-05-21T15:34:23.110772+00:00","sec_items":["8.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.15,"calibrated_materiality_score":0.15,"confidence":"low","headline":"NB Bancorp posts slide presentation for June 2 investor meeting","bullets":["Presentation covers the company's operations and financial performance.","Slide deck made available on May 21, 2026, ahead of June 2 in-person bank meeting.","No specific financial results or guidance disclosed in the 8-K or exhibit excerpt.","Ticker NBBK; presentation likely to include historical data and strategic overview."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-26-064982","json":"https://secwatch.observer/filing/0001104659-26-064982.json","markdown":"https://secwatch.observer/filing/0001104659-26-064982.md","text":"https://secwatch.observer/filing/0001104659-26-064982.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1979330/000110465926064982/0001104659-26-064982-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1979330/000110465926064982/nbbk-20260521x8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-21T15:34:23.110772+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"}