{"url_path":"/sec/nfbk/8-k/2026-07-22/item-9-01","section_key":"item-9-01","section_title":"Item 9.01 Financial Statements and Exhibits.","topic":"sec","document":{"doc_type":"8-K","doc_date":"2026-07-22","source_url":"https://www.sec.gov/Archives/edgar/data/1493225/0001193125-26-312412-index.html","accession_number":"0001193125-26-312412","cik":"0001493225","ticker":"NFBK","issuer_name":"Northfield Bancorp, Inc.","edgar_url":"https://www.sec.gov/Archives/edgar/data/1493225/0001193125-26-312412-index.html","primary_entity_key":"0001493225","primary_entity_name":"Northfield Bancorp, Inc."},"word_count":184,"has_tables":true,"body_markdown":"Item 9.01.\n\nFinancial Statements and Exhibits.\n\n(d) Exhibits.\n\n \n\nExhibit\nNo.\n\n  \n\nDescription\n\n2.1\n  \n[Agreement and Plan of Merger, dated as of January 31, 2026, by and among Columbia Financial, Inc. (a Maryland corporation), Columbia Financial, Inc. (a Delaware corporation), Columbia Bank MHC and Northfield Bancorp, Inc. (incorporated by reference to Exhibit 2.2 to the Current Report on Form 8-K filed by Columbia Financial, Inc. (a Delaware corporation) on February 2, 2026 (File No. 001-38456))*](http://www.sec.gov/Archives/edgar/data/1723596/000110465926008967/tm264645d1_ex2-2.htm)\n\n104\n  \nCover Page Interactive Data File (formatted as inline XBRL document)\n\n \n\n*\n\nPursuant to Item 601(a)(5) of Regulation S-K, certain schedules and similar attachments have been omitted. The registrant hereby agrees to furnish supplementally a copy of any omitted schedule or similar attachment to the SEC upon request.\n\nSIGNATURES\n\nPursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.\n\n \n\nCOLUMBIA FINANCIAL, INC.,\nAs successor by merger to NORTHFIELD BANCORP, INC.\n\nBy:\n \n\n/s/ Dennis E. Gibney\n\nName:\n \nDennis E. Gibney\n\nTitle:\n \nFirst Senior Executive Vice President,\nChief Banking Officer\n\nDate: July 22, 2026"}