{"url_path":"/sec/bfc/8-k/2026-05-19/cover-page","section_key":"cover-page","section_title":"Cover Page","topic":"sec","document":{"doc_type":"8-K","doc_date":"2026-05-19","source_url":"https://www.sec.gov/Archives/edgar/data/1746109/0001104659-26-063919-index.html","accession_number":"0001104659-26-063919","cik":"0001746109","ticker":"BFC","issuer_name":"Bank First Corp","edgar_url":"https://www.sec.gov/Archives/edgar/data/1746109/0001104659-26-063919-index.html","primary_entity_key":"0001746109","primary_entity_name":"Bank First Corp"},"word_count":300,"has_tables":true,"body_markdown":"false\n0001746109\n\n0001746109\n\n2026-05-19\n2026-05-19\n\niso4217:USD\n\nxbrli:shares\n\niso4217:USD\n\nxbrli:shares\n\n \n\n \n\n \n\n**UNITED STATES**\n\n**SECURITIES AND\nEXCHANGE COMMISSION**\n\n**Washington, D.C.\n20549**\n\n** **\n\n**FORM 8-K**\n\n** **\n\n**CURRENT REPORT**\n\n**Pursuant to Section\n13 OR 15(d) of The Securities Exchange Act of 1934**\n\n** **\n\nDate of Report (Date of earliest event reported)  \nMay 19, 2026\n\n \n\nBANK FIRST CORPORATION\n\n \n\n(Exact name of registrant\nas specified in its charter)\n\n \n\nWisconsin\n001-38676\n39-1435359\n\n(State or other jurisdiction\n(Commission\n(IRS Employer\n\nof incorporation)\nFile Number)\nIdentification No.)\n\n \n\n402 North 8th Street, Manitowoc, WI\n54220\n\n(Address of principal executive offices)\n(Zip Code)\n\n \n\nRegistrant’s telephone number, including area code  \n(920) 652-3100\n\n \n\nCheck the appropriate\nbox below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the\nfollowing provisions:\n\n \n\nx\nWritten communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)\n\n \n\n¨\nSoliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)\n\n \n\n¨\nPre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))\n\n \n\n¨\nPre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))\n\n \n\nSecurities registered pursuant\nto Section 12(b) of the Act:\n\nTitle of each class\nTicker Symbol(s)\nName of each exchange on which\n\nregistered\n\nCommon Stock, par value $0.01\n\nper share\nBFC\nThe Nasdaq Stock Market LLC\n\n** **\n\nIndicate by check mark whether the registrant\nis an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2\nof the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).\n\n \n\nEmerging growth company ¨\n\n \n\nIf an emerging growth company, indicate by check\nmark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting\nstandards provided pursuant to Section 13(a) of the Exchange Act. ¨"}