{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-26-005790","form_type":"8-K","ticker":"NBBK","cik":"0001979330","company_name":"NB Bancorp, Inc.","filed_at":"2026-01-22T23:59:59+00:00","discovered_at":"2026-05-14T18:02:36.922936+00:00","generated_at":"2026-05-16T09:00:24.985042+00:00","sec_items":["2.02","8.01","9.01"],"event_type":"earnings","sentiment":"neutral","materiality_score":0.75,"calibrated_materiality_score":0.75,"confidence":"high","headline":"NB Bancorp reports Q4 net income $7.7M; operating EPS $0.51; approves share repurchase","bullets":["Net income $7.7M ($0.19 diluted EPS); operating net income $21.2M ($0.51) after $15.7M merger costs.","Completed Provident acquisition on Nov 15, 2025, adding $1.42B assets, $1.23B loans, $1.13B deposits.","Net interest margin expanded 14 bps to 3.92%.","Declared $0.07 quarterly dividend payable Feb 19, 2026; authorized repurchase of up to 2,288,509 shares (5% outstanding).","Tangible book value per share $17.98 vs $18.48 prior quarter due to goodwill and core deposit intangible."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-26-005790","json":"https://secwatch.observer/filing/0001104659-26-005790.json","markdown":"https://secwatch.observer/filing/0001104659-26-005790.md","text":"https://secwatch.observer/filing/0001104659-26-005790.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1979330/000110465926005790/0001104659-26-005790-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1979330/000110465926005790/nbbk-20260122x8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T09:00:24.985042+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"}