{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-26-312412","form_type":"8-K","ticker":"NFBK","cik":"0001493225","company_name":"Northfield Bancorp, Inc.","filed_at":"2026-07-22T20:13:39+00:00","discovered_at":"2026-07-22T20:15:11.304805+00:00","generated_at":"2026-07-22T20:15:17.243677+00:00","sec_items":["2.01","3.01","3.03","5.01","5.02","5.03","9.01"],"event_type":"m_and_a","sentiment":"positive","materiality_score":0.75,"calibrated_materiality_score":0.75,"confidence":"high","headline":"Northfield Bancorp acquired by Columbia Financial; shareholders get $14.25 cash or 1.425 shares per share","bullets":["Merger completed July 20, 2026; Northfield Bancorp merged into Columbia Financial, which survived.","Each Northfield share converted into $14.25 cash or 1.425 Columbia Financial shares (or combination).","Northfield common stock delisted from NASDAQ; reporting obligations to be suspended via Form 15.","Northfield directors and officers ceased; four Northfield directors appointed to Columbia Financial board.","Steven M. Klein (former Northfield CEO) appointed as Senior EVP and COO of Columbia Financial and Columbia Bank."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-312412","json":"https://secwatch.observer/filing/0001193125-26-312412.json","markdown":"https://secwatch.observer/filing/0001193125-26-312412.md","text":"https://secwatch.observer/filing/0001193125-26-312412.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1493225/000119312526312412/0001193125-26-312412-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1493225/000119312526312412/d173115d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-07-22T20:15:17.243677+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":"2e7931c284","claim":"Paul V. Stahlin was appointed as Director at Northfield Bancorp, Inc..","evidence_excerpt":"the following individuals, each of whom was a member of the board of directors of Northfield Bancorp immediately prior to the Effective Time, were appointed to the board of directors of Columbia Financial and Columbia Bank: Steven M. Klein, John P. Connors, Jr., Timothy C. Harrison and Paul V. Stahlin.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1493225/000119312526312412/0001193125-26-312412-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"},{"claim_id":"312b963bd3","claim":"Steven M. Klein was appointed as Director at Northfield Bancorp, Inc..","evidence_excerpt":"the following individuals, each of whom was a member of the board of directors of Northfield Bancorp immediately prior to the Effective Time, were appointed to the board of directors of Columbia Financial and Columbia Bank: Steven M. Klein, John P. Connors, Jr., Timothy C. Harrison and Paul V. Stahlin.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1493225/000119312526312412/0001193125-26-312412-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"},{"claim_id":"57edcdb2a1","claim":"John P. Connors, Jr. departed as Director at Northfield Bancorp, Inc..","evidence_excerpt":"As of the Effective Time, and pursuant to the terms of the Merger Agreement, Northfield Bancorp’s directors and executive officers ceased serving as directors and executive officers of Northfield Bancorp.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1493225/000119312526312412/0001193125-26-312412-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"ceased"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"},{"claim_id":"830f3773fa","claim":"John P. Connors, Jr. was appointed as Director at Northfield Bancorp, Inc..","evidence_excerpt":"the following individuals, each of whom was a member of the board of directors of Northfield Bancorp immediately prior to the Effective Time, were appointed to the board of directors of Columbia Financial and Columbia Bank: Steven M. Klein, John P. Connors, Jr., Timothy C. Harrison and Paul V. Stahlin.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1493225/000119312526312412/0001193125-26-312412-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"},{"claim_id":"9c1f887435","claim":"Timothy C. Harrison was appointed as Director at Northfield Bancorp, Inc..","evidence_excerpt":"the following individuals, each of whom was a member of the board of directors of Northfield Bancorp immediately prior to the Effective Time, were appointed to the board of directors of Columbia Financial and Columbia Bank: Steven M. Klein, John P. Connors, Jr., Timothy C. Harrison and Paul V. Stahlin.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1493225/000119312526312412/0001193125-26-312412-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"},{"claim_id":"a32feeb97f","claim":"Timothy C. Harrison departed as Director at Northfield Bancorp, Inc..","evidence_excerpt":"As of the Effective Time, and pursuant to the terms of the Merger Agreement, Northfield Bancorp’s directors and executive officers ceased serving as directors and executive officers of Northfield Bancorp.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1493225/000119312526312412/0001193125-26-312412-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"ceased"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"},{"claim_id":"d967d56a2b","claim":"Paul V. Stahlin departed as Director at Northfield Bancorp, Inc..","evidence_excerpt":"As of the Effective Time, and pursuant to the terms of the Merger Agreement, Northfield Bancorp’s directors and executive officers ceased serving as directors and executive officers of Northfield Bancorp.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1493225/000119312526312412/0001193125-26-312412-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"ceased"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"},{"claim_id":"e5efc412ea","claim":"Steven M. Klein was appointed as Senior Executive Vice President and Chief Operating Officer at Northfield Bancorp, Inc..","evidence_excerpt":"Steven M. Klein, the Chairman, President and Chief Executive Officer of Northfield Bancorp, was appointed as Senior Executive Vice President and Chief Operating Officer of Columbia Financial and Columbia Bank effective as of the Effective Time.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1493225/000119312526312412/0001193125-26-312412-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Senior Executive Vice President and Chief Operating Officer"}],"fact_type":"executive_change"},{"claim_id":"ee2137fa21","claim":"Steven M. Klein departed as Chairman, President and Chief Executive Officer at Northfield Bancorp, Inc..","evidence_excerpt":"As of the Effective Time, and pursuant to the terms of the Merger Agreement, Northfield Bancorp’s directors and executive officers ceased serving as directors and executive officers of Northfield Bancorp.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1493225/000119312526312412/0001193125-26-312412-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"ceased"},{"label":"Role","value":"Chairman, President and Chief Executive Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}