{"schema_version":"secwatch.filing_event.v1","accession":"0000089439-21-000070","form_type":"8-K","ticker":"MLI","cik":"0000089439","company_name":"MUELLER INDUSTRIES INC","filed_at":"2021-12-07T23:59:59+00:00","discovered_at":"2026-05-14T18:04:16.053481+00:00","generated_at":"2026-06-28T03:21:41.372285+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.25,"calibrated_materiality_score":0.25,"confidence":"high","headline":"Mueller Industries elects William C. Drummond to board; effective Jan 1, 2022","bullets":["William C. Drummond elected to Board of Directors as additional member, effective January 1, 2022.","Drummond also appointed to Audit Committee, effective same date.","No other changes to board composition reported."],"urls":{"canonical":"https://secwatch.observer/filing/0000089439-21-000070","json":"https://secwatch.observer/filing/0000089439-21-000070.json","markdown":"https://secwatch.observer/filing/0000089439-21-000070.md","text":"https://secwatch.observer/filing/0000089439-21-000070.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/89439/000008943921000070/0000089439-21-000070-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/89439/000008943921000070/mli-20211206.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-28T03:21:41.372285+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":"f6f8c0008c","claim":"William C. Drummond was elected as Director at MUELLER INDUSTRIES INC.","evidence_excerpt":"elected William C. Drummond as an additional member of the Board effective January 1, 2022.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/89439/000008943921000070/0000089439-21-000070-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"elected"},{"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"}