{"schema_version":"secwatch.filing_event.v1","accession":"0000950157-23-001269","form_type":"8-K","ticker":"MLM","cik":"0000916076","company_name":"MARTIN MARIETTA MATERIALS INC","filed_at":"2023-12-21T23:59:59+00:00","discovered_at":"2026-05-14T18:03:32.391815+00:00","generated_at":"2026-06-07T09:38:47.396765+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 2028","bullets":["Maturity of $800M senior unsecured revolving credit facility extended from Dec 21, 2027 to Dec 21, 2028.","Amendment signed with JPMorgan, Deutsche Bank, PNC, Truist, Wells Fargo and other lenders.","MUFG Bank assigns its commitments to First-Citizens Bank & Trust as part of the extension.","Consent fees of 0.02% of commitment paid to each extending lender; no other financial changes."],"urls":{"canonical":"https://secwatch.observer/filing/0000950157-23-001269","json":"https://secwatch.observer/filing/0000950157-23-001269.json","markdown":"https://secwatch.observer/filing/0000950157-23-001269.md","text":"https://secwatch.observer/filing/0000950157-23-001269.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/916076/000095015723001269/0000950157-23-001269-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/916076/000095015723001269/form8-k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-07T09:38:47.396765+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"}