{"schema_version":"secwatch.filing_event.v1","accession":"0001558370-23-015659","form_type":"8-K/A","ticker":"MEC","cik":"0001766368","company_name":"Mayville Engineering Company, Inc.","filed_at":"2023-09-12T23:59:59+00:00","discovered_at":"2026-05-14T18:03:35.161713+00:00","generated_at":"2026-06-10T21:16:56.569591+00:00","sec_items":["9.01"],"event_type":"m_and_a","sentiment":"positive","materiality_score":0.9,"calibrated_materiality_score":0.9,"confidence":"high","headline":"Mayville Engineering completes acquisition of Mid-States Aluminum; files historical financials","bullets":["Completed acquisition of Mid-States Aluminum on July 1, 2023, and filed Amendment No. 1 to Form 8-K with audited and unaudited financial statements.","MSA reported net sales of $94.1 million and net income of $12.5 million for the year ended December 31, 2022.","Provides audited balance sheet showing total assets of $48.6 million and stockholders' equity of $30.7 million as of December 31, 2022.","Includes unaudited pro forma condensed combined financial information for MEC and MSA as of and for the six months ended June 30, 2023 and year ended December 31, 2022.","Wipfli LLP issued unqualified audit opinion on MSA's 2022 financial statements."],"urls":{"canonical":"https://secwatch.observer/filing/0001558370-23-015659","json":"https://secwatch.observer/filing/0001558370-23-015659.json","markdown":"https://secwatch.observer/filing/0001558370-23-015659.md","text":"https://secwatch.observer/filing/0001558370-23-015659.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1766368/000155837023015659/0001558370-23-015659-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1766368/000155837023015659/tmb-20230701x8ka.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-10T21:16:56.569591+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":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}