{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-26-046868","form_type":"8-K","ticker":"NBBK","cik":"0001979330","company_name":"NB Bancorp, Inc.","filed_at":"2026-04-22T23:59:59+00:00","discovered_at":"2026-05-14T18:02:33.346879+00:00","generated_at":"2026-05-15T04:56:46.971856+00:00","sec_items":["2.02","5.02","8.01","9.01"],"event_type":"earnings","sentiment":"neutral","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"NB Bancorp Q1 net income $15.0M, EPS $0.36; declares $0.07 dividend","bullets":["Net income $15.0M ($0.36 diluted EPS) vs $7.7M ($0.19) prior quarter; operating net income $15.8M ($0.38).","Net interest income $64.9M (+10.4% QoQ); net interest margin 3.94% (up 2 bps).","Gross loans grew $223.8M to $6.21B, deposits grew $243.5M to $6.10B.","Board declared $0.07 quarterly dividend, payable May 20, 2026 to holders of record May 6, 2026.","Book value per share $18.83, tangible book value $18.00; repurchased 1.29M shares at $21.55."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-26-046868","json":"https://secwatch.observer/filing/0001104659-26-046868.json","markdown":"https://secwatch.observer/filing/0001104659-26-046868.md","text":"https://secwatch.observer/filing/0001104659-26-046868.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1979330/000110465926046868/0001104659-26-046868-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1979330/000110465926046868/nbbk-20260422x8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-15T04:56:46.971856+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":[{"claim_id":"72267b37f48959d8752fbac5ffb3e1245e262984","claim":"NB Bancorp, Inc. reported the quarter ended March 31, 2026 results: net income $15.0 million, EPS $0.36 per diluted common share.","evidence_excerpt":"The Company reported net income of $15.0 million, or $0.36 per diluted common share, compared to net income of $7.7 million, or $0.19 per diluted common share, for the prior quarter.","evidence_source":"SEC 8-K Item 2.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1979330/000110465926046868/0001104659-26-046868-index.htm","confidence":0.9,"family_label":"Earnings Releases","details":[{"label":"Period","value":"the quarter ended March 31, 2026"},{"label":"Net income","value":"$15.0 million"},{"label":"EPS","value":"$0.36 per diluted common share"},{"label":"Result","value":"reported results"}],"fact_type":"earnings_release"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}