{"schema_version":"secwatch.filing_event.v1","accession":"0001558370-25-009698","form_type":"8-K","ticker":"NBBK","cik":"0001979330","company_name":"NB Bancorp, Inc.","filed_at":"2025-07-29T23:59:59+00:00","discovered_at":"2026-05-14T18:02:45.746899+00:00","generated_at":"2026-05-17T23:49:04.328964+00:00","sec_items":["8.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.1,"calibrated_materiality_score":0.1,"confidence":"low","headline":"NB Bancorp slides at investor conference; exhibit lacks detailed data","bullets":["Filed slide presentation for KBW Investor Conference on July 29, 2025.","Exhibit 99.1 contains only header slide; no financial metrics or operational details provided.","No specific numbers, guidance, or material updates can be extracted from incomplete exhibit."],"urls":{"canonical":"https://secwatch.observer/filing/0001558370-25-009698","json":"https://secwatch.observer/filing/0001558370-25-009698.json","markdown":"https://secwatch.observer/filing/0001558370-25-009698.md","text":"https://secwatch.observer/filing/0001558370-25-009698.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1979330/000155837025009698/0001558370-25-009698-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1979330/000155837025009698/nbbk-20250729x8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T23:49:04.328964+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"}