{"schema_version":"secwatch.filing_event.v1","accession":"0001558370-24-010059","form_type":"8-K","ticker":"NBBK","cik":"0001979330","company_name":"NB Bancorp, Inc.","filed_at":"2024-07-24T23:59:59+00:00","discovered_at":"2026-05-14T18:03:15.312303+00:00","generated_at":"2026-05-31T17:34:55.972429+00:00","sec_items":["2.02","5.02","9.01"],"event_type":"earnings","sentiment":"neutral","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"NB Bancorp Q2 net income $9.5M ($0.24 EPS); COO to retire","bullets":["Net income $9.5M ($0.24 diluted EPS) vs $8.7M ($0.22) prior quarter.","Gross loans +$142.7M (3.6%) to $4.10B; deposits +$145.9M (3.9%) to $3.92B.","NIM (FTE) down 15 bps to 3.45%; provision for ACL $3.7M.","COO Salvatore Rinaldi to retire once successor identified; remains in advisory role.","Non-performing loans $20.7M (0.51% of loans), up $9.9M mainly due to one office loan."],"urls":{"canonical":"https://secwatch.observer/filing/0001558370-24-010059","json":"https://secwatch.observer/filing/0001558370-24-010059.json","markdown":"https://secwatch.observer/filing/0001558370-24-010059.md","text":"https://secwatch.observer/filing/0001558370-24-010059.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1979330/000155837024010059/0001558370-24-010059-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1979330/000155837024010059/nbbk-20240724x8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-31T17:34:55.972429+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":"22979409c9","claim":"Salvatore Rinaldi departed as Chief Operating Officer at NB Bancorp, Inc..","evidence_excerpt":"Salvatore Rinaldi, the Company’s Chief Operating Officer, notified the Company’s Chief Executive Officer and the Board of Directors on July 24, 2024 that he would be retiring from his role as Chief Operating Officer of the Company and of Needham Bank once his successor is identified and appointed as Chief Operating Officer and begins employment with Needham Bank.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1979330/000155837024010059/0001558370-24-010059-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"retiring"},{"label":"Role","value":"Chief Operating Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}