{"url_path":"/sec/mec/8-k/2026-05-21/item-9-01","section_key":"item-9-01","section_title":"Item 9.01 **","topic":"sec","document":{"doc_type":"8-K","doc_date":"2026-05-21","source_url":"https://www.sec.gov/Archives/edgar/data/1766368/0001104659-26-064802-index.html","accession_number":"0001104659-26-064802","cik":"0001766368","ticker":"MEC","issuer_name":"Mayville Engineering Company, Inc.","edgar_url":"https://www.sec.gov/Archives/edgar/data/1766368/0001104659-26-064802-index.html","primary_entity_key":"0001766368","primary_entity_name":"Mayville Engineering Company, Inc."},"word_count":212,"has_tables":true,"body_markdown":"**Item 9.01.**\n\n**Financial Statements and Exhibits.**\n\n(a)Not applicable.\n\n(b)Not applicable.\n\n(c)Not applicable.\n\n(d)Exhibits. The exhibits listed in the exhibit index below are being filed herewith.\n\n​\n\nEXHIBIT INDEX\n\n​\n\n​\n\n**Exhibit**\n\n**Number**\n\n​\n\n**Description**\n\n​\n\n​\n\n​\n\n1.1\n\n​\n\n[Underwriting Agreement, dated as of May 19, 2026, by and among Mayville Engineering Company, Inc., William Blair & Company, L.L.C. and Craig-Hallum Capital Group LLC.](tmb-20260519xex1d1.htm)\n\n​\n\n​\n\n​\n\n5.1\n\n​\n\n[Legal Opinion of Foley & Lardner LLP.](tmb-20260519xex5d1.htm)\n\n​\n\n​\n\n​\n\n23.1\n\n​\n\n[Consent of Foley & Lardner LLP (included in Exhibit 5.1).](tmb-20260519xex5d1.htm)\n\n​\n\n​\n\n​\n\n99.1\n\n​\n\n[Press Release, issued by the Company on May 19, 2026.](tmb-20260519xex99d1.htm)\n\n​\n\n​\n\n​\n\n99.2\n\n​\n\n[Press Release, issued by the Company on May 19, 2026.](tmb-20260519xex99d2.htm)\n\n​\n\n​\n\n​\n\n104\n\n​\n\nCover Page Interactive Data File (embedded within the Inline XBRL document).\n\n​\n\n​\n\n​\n\n​\n\n**SIGNATURES**\n\n​\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\n​\n\n​\n\n​\n\n​\n\nMAYVILLE ENGINEERING COMPANY, INC.\n\n​\n\n​\n\n​\n\nDate: May 21, 2026\n\nBy:\n\n/s/ Sean P. Leuba\n\n​\n\n​\n\nSean P. Leuba\n\n​\n\n​\n\nSenior Vice President, General Counsel and Secretary\n\n​\n\n​\n\n​\n\n​"}