{"schema_version":"secwatch.filing_event.v1","accession":"0000950170-24-132888","form_type":"8-K","ticker":"MLM","cik":"0000916076","company_name":"MARTIN MARIETTA MATERIALS INC","filed_at":"2024-12-03T23:59:59+00:00","discovered_at":"2026-05-14T18:03:11.378862+00:00","generated_at":"2026-05-29T10:49:49.713216+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"Martin Marietta EVP, GC & Corporate Secretary Bar to retire in H2 2025","bullets":["Roselyn R. Bar, EVP, General Counsel and Corporate Secretary, announced retirement for second half of 2025.","No immediate departure; effective date not specified beyond H2 2025.","No successor named in the filing; Company to conduct search.","Bar's retirement is a planned transition; no abrupt resignation."],"urls":{"canonical":"https://secwatch.observer/filing/0000950170-24-132888","json":"https://secwatch.observer/filing/0000950170-24-132888.json","markdown":"https://secwatch.observer/filing/0000950170-24-132888.md","text":"https://secwatch.observer/filing/0000950170-24-132888.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/916076/000095017024132888/0000950170-24-132888-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/916076/000095017024132888/mlm-20241203.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-29T10:49:49.713216+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"}