{"schema_version":"secwatch.filing_event.v1","accession":"0000950157-22-001071","form_type":"8-K","ticker":"MLM","cik":"0000916076","company_name":"MARTIN MARIETTA MATERIALS INC","filed_at":"2022-09-29T23:59:59+00:00","discovered_at":"2026-05-14T18:03:58.581686+00:00","generated_at":"2026-06-23T06:52:55.342955+00:00","sec_items":["1.02","8.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"Martin Marietta satisfied and discharged its 0.650% Senior Notes due 2023","bullets":["Irrevocably deposited sufficient funds with trustee to cover all remaining principal and interest on the Notes.","Funded the satisfaction and discharge using existing cash resources.","Obligations under the 2023 Notes Indenture terminated, except certain survival provisions."],"urls":{"canonical":"https://secwatch.observer/filing/0000950157-22-001071","json":"https://secwatch.observer/filing/0000950157-22-001071.json","markdown":"https://secwatch.observer/filing/0000950157-22-001071.md","text":"https://secwatch.observer/filing/0000950157-22-001071.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/916076/000095015722001071/0000950157-22-001071-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/916076/000095015722001071/form8-k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-23T06:52:55.342955+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"}