{"schema_version":"secwatch.filing_event.v1","accession":"0001558370-25-009544","form_type":"8-K","ticker":"MEC","cik":"0001766368","company_name":"Mayville Engineering Company, Inc.","filed_at":"2025-07-24T23:59:59+00:00","discovered_at":"2026-05-14T18:02:44.919010+00:00","generated_at":"2026-05-18T02:27:49.625422+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.25,"calibrated_materiality_score":0.25,"confidence":"high","headline":"Mayville Engineering elects Tania Wingfield to Board of Directors","bullets":["Elected as Class III director, term expiring at 2026 annual meeting.","Appointed to the Compensation Committee effective immediately.","Currently EVP & CHRO of BorgWarner; 30+ years in manufacturing and operations.","Board expands to seven members with her election.","No arrangement or understanding with any person regarding selection."],"urls":{"canonical":"https://secwatch.observer/filing/0001558370-25-009544","json":"https://secwatch.observer/filing/0001558370-25-009544.json","markdown":"https://secwatch.observer/filing/0001558370-25-009544.md","text":"https://secwatch.observer/filing/0001558370-25-009544.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1766368/000155837025009544/0001558370-25-009544-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1766368/000155837025009544/tmb-20250724x8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-18T02:27:49.625422+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"}