{"schema_version":"secwatch.filing_event.v1","accession":"0000950157-26-000837","form_type":"8-K","ticker":"MLM","cik":"0000916076","company_name":"MARTIN MARIETTA MATERIALS INC","filed_at":"2026-08-04T20:52:46+00:00","discovered_at":"2026-08-04T20:54:02.321062+00:00","generated_at":"2026-08-04T20:54:07.156670+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 promotes Michael J. Petro to EVP, CFO with $750K base salary","bullets":["Michael J. Petro promoted to Executive Vice President, Chief Financial Officer effective August 4, 2026.","Base salary $750,000; target annual incentive 100% of base; target long-term incentive 260% of base.","One-time RSU grant of $5,000,000 vesting ratably on 6th, 7th, 8th anniversaries.","Severance: three times base salary plus target bonus on termination without cause or for good reason; three-year non-compete.","Employment Protection Agreement provides change-of-control severance equal to three times annual compensation."],"urls":{"canonical":"https://secwatch.observer/filing/0000950157-26-000837","json":"https://secwatch.observer/filing/0000950157-26-000837.json","markdown":"https://secwatch.observer/filing/0000950157-26-000837.md","text":"https://secwatch.observer/filing/0000950157-26-000837.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/916076/000095015726000837/0000950157-26-000837-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/916076/000095015726000837/form8-k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-08-04T20:54:07.156670+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":"8e4f2484eb","claim":"Michael J. Petro changed role as Executive Vice President, Chief Financial Officer at MARTIN MARIETTA MATERIALS INC.","evidence_excerpt":"On August 4, 2026, Martin Marietta Materials, Inc. (the “Company”) announced that the Company has promoted Michael J. Petro to Executive Vice President, Chief Financial Officer.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/916076/000095015726000837/0000950157-26-000837-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"promoted"},{"label":"Role","value":"Executive Vice President, Chief Financial Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}