{"schema_version":"secwatch.filing_event.v1","accession":"0000950157-24-001462","form_type":"8-K","ticker":"MLM","cik":"0000916076","company_name":"MARTIN MARIETTA MATERIALS INC","filed_at":"2024-11-01T23:59:59+00:00","discovered_at":"2026-05-14T18:03:11.378464+00:00","generated_at":"2026-05-30T07:11:13.988001+00:00","sec_items":["1.01","7.01","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Martin Marietta prices $1.5B dual-tranche senior note offering at 5.150% and 5.500%","bullets":["$750M 5.150% Senior Notes due 2034 at 99.266% of par; $750M 5.500% Senior Notes due 2054 at 98.006% of par.","Net proceeds used to repay all borrowings under revolving credit facility and trade receivables securitization; remainder for general corporate purposes, including acquisitions.","Offering expected to close November 4, 2024; joint book-runners: Deutsche Bank, J.P. Morgan, Truist, PNC, Wells Fargo.","Interest payable semiannually starting June 1, 2025; issued under effective shelf registration statement on Form S-3."],"urls":{"canonical":"https://secwatch.observer/filing/0000950157-24-001462","json":"https://secwatch.observer/filing/0000950157-24-001462.json","markdown":"https://secwatch.observer/filing/0000950157-24-001462.md","text":"https://secwatch.observer/filing/0000950157-24-001462.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/916076/000095015724001462/0000950157-24-001462-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/916076/000095015724001462/form8-k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-30T07:11:13.988001+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"}