{"schema_version":"secwatch.filing_event.v1","accession":"0001558370-23-017612","form_type":"8-K","ticker":"MEC","cik":"0001766368","company_name":"Mayville Engineering Company, Inc.","filed_at":"2023-11-03T23:59:59+00:00","discovered_at":"2026-05-14T18:03:30.357360+00:00","generated_at":"2026-06-08T22:39:35.515239+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"COO Rand Stille departs Mayville Engineering; CEO Jag Reddy to lead operations in interim","bullets":["COO Rand P. Stille leaving effective November 3, 2023, as part of operations team restructuring.","Departure not related to any dispute or disagreement with the Company's operations, policies, or practices.","Company will search for a Senior Vice President of Operations and Supply Chain.","During interim, President and CEO Jag Reddy will lead operations directly."],"urls":{"canonical":"https://secwatch.observer/filing/0001558370-23-017612","json":"https://secwatch.observer/filing/0001558370-23-017612.json","markdown":"https://secwatch.observer/filing/0001558370-23-017612.md","text":"https://secwatch.observer/filing/0001558370-23-017612.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1766368/000155837023017612/0001558370-23-017612-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1766368/000155837023017612/tmb-20231102x8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-08T22:39:35.515239+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":"37c36398eb","claim":"Rand P. Stille departed as Chief Operating Officer at Mayville Engineering Company, Inc..","evidence_excerpt":"Rand P. Stille, the Company’s Chief Operating Officer, will be leaving the Company effective as of November 3, 2023.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1766368/000155837023017612/0001558370-23-017612-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"leaving"},{"label":"Role","value":"Chief Operating Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}