{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-26-085826","form_type":"8-K","ticker":"NBBK","cik":"0001979330","company_name":"NB Bancorp, Inc.","filed_at":"2026-07-22T20:30:37+00:00","discovered_at":"2026-07-22T20:32:00.283907+00:00","generated_at":"2026-07-22T20:32:18.512483+00:00","sec_items":["2.02","7.01","8.01","9.01"],"event_type":"earnings","sentiment":"positive","materiality_score":0.75,"calibrated_materiality_score":0.75,"confidence":"high","headline":"NB Bancorp Q2 net income $21.1M ($0.53 EPS), up 41% QoQ; NIM expands to 4.00%","bullets":["Net income $21.1M ($0.53 diluted EPS) vs $15.0M ($0.36) prior quarter; operating net income $21.9M ($0.55).","Net interest margin expanded 7 bps to 4.00%; loans grew 3.4% to $6.42B, deposits up 3.7% to $6.32B.","Credit quality improved: net charge-offs annualized 0.07% (from 0.91%), NPLs fell to 0.43% from 0.73%.","Board declared $0.07/share dividend, payable Aug 19 to holders of record Aug 5.","Repurchased 918,727 shares at $20.13/share; tangible book value per share $18.51."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-26-085826","json":"https://secwatch.observer/filing/0001104659-26-085826.json","markdown":"https://secwatch.observer/filing/0001104659-26-085826.md","text":"https://secwatch.observer/filing/0001104659-26-085826.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1979330/000110465926085826/0001104659-26-085826-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1979330/000110465926085826/nbbk-20260722x8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-07-22T20:32:18.512483+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"}