{"schema_version":"secwatch.filing_event.v1","accession":"0000950157-24-001697","form_type":"8-K","ticker":"MLM","cik":"0000916076","company_name":"MARTIN MARIETTA MATERIALS INC","filed_at":"2024-12-20T23:59:59+00:00","discovered_at":"2026-05-14T18:03:11.379063+00:00","generated_at":"2026-05-29T00:47:58.272967+00:00","sec_items":["1.01","2.03","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"confidence":"high","headline":"Martin Marietta extends $800M revolver maturity to Dec 2029","bullets":["Extended maturity of $800M senior unsecured revolving credit facility from Dec 2028 to Dec 2029.","Amended credit agreement with JPMorgan Chase as administrative agent and multiple lenders.","Extending lenders receive a consent fee of 0.02% of their commitment.","No changes to financial covenants or other key terms disclosed."],"urls":{"canonical":"https://secwatch.observer/filing/0000950157-24-001697","json":"https://secwatch.observer/filing/0000950157-24-001697.json","markdown":"https://secwatch.observer/filing/0000950157-24-001697.md","text":"https://secwatch.observer/filing/0000950157-24-001697.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/916076/000095015724001697/0000950157-24-001697-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/916076/000095015724001697/form8-k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-29T00:47:58.272967+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"}