{"schema_version":"secwatch.filing_event.v1","accession":"0001558370-25-001378","form_type":"8-K","ticker":"MEC","cik":"0001766368","company_name":"Mayville Engineering Company, Inc.","filed_at":"2025-02-24T23:59:59+00:00","discovered_at":"2026-05-14T18:03:04.783879+00:00","generated_at":"2026-05-26T06:07:57.467990+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.25,"calibrated_materiality_score":0.25,"confidence":"high","headline":"Director Allen J. Carlson to retire from MEC board at April 2025 annual meeting","bullets":["Carlson notified the company on Feb 20, 2025 of his intent to retire.","Retirement effective after the 2025 annual shareholder meeting on April 22, 2025.","No disagreements with the company or management are cited."],"urls":{"canonical":"https://secwatch.observer/filing/0001558370-25-001378","json":"https://secwatch.observer/filing/0001558370-25-001378.json","markdown":"https://secwatch.observer/filing/0001558370-25-001378.md","text":"https://secwatch.observer/filing/0001558370-25-001378.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1766368/000155837025001378/0001558370-25-001378-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1766368/000155837025001378/tmb-20250220x8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-26T06:07:57.467990+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":[{"claim_id":"4553b2bd04","claim":"Allen J. Carlson departed as Director at Mayville Engineering Company, Inc..","evidence_excerpt":"On February 20, 2025, Allen J. Carlson, a director of Mayville Engineering Company, Inc. (the “Company”), advised the Company that he intends to retire from the Board of Directors following the Company’s 2025 annual meeting of shareholders on April 22, 2025.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1766368/000155837025001378/0001558370-25-001378-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"retire"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}