{"filing":{"accession_number":"0001193125-26-352270","cik":"0000916076","ticker":"MLM","company_name":"MARTIN MARIETTA MATERIALS INC","form":"8-K","filing_date":"2026-08-14","report_date":"2026-08-14","primary_document":"d103352d8k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/916076/000119312526352270/d103352d8k.htm"},"events":[{"id":27911,"run_id":25487,"accession_number":"0001193125-26-352270","anchor_item_number":"2.03","event_type":"debt_issuance","event_domain":"financial","is_material":true,"confidence":0.99,"summary":"Martin Marietta Materials issued $5.5 billion in aggregate principal amount of Senior Notes across five tranches (2029, 2032, 2034, 2036, and 2056) on August 14, 2026, creating direct financial obligations under an indenture. The proceeds are earmarked for the Lhoist North America acquisition.","company_name":"MARTIN MARIETTA MATERIALS INC","ticker":"MLM","filing_date":"2026-08-14","form":"8-K","submitted_at":null,"items":[{"id":29631,"accession_number":"0001193125-26-352270","item_number":"1.01","item_title":null,"event_type":"debt_issuance","event_domain":"financial","is_material":true,"confidence":0.85,"reasoning":"Item 1.01 discloses entry into a material definitive agreement with information incorporated from Item 2.03 (Creation of Direct Financial Obligations). This structure indicates a debt issuance or credit facility arrangement. The cross-reference to Item 2.03 is the key signal that the material agreement involves a new financial obligation rather than a general commercial contract.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-08-14T20:24:21.353224+00:00","company_name":"","ticker":null,"filing_date":""},{"id":29632,"accession_number":"0001193125-26-352270","item_number":"2.03","item_title":null,"event_type":"debt_issuance","event_domain":"financial","is_material":true,"confidence":0.99,"reasoning":"Martin Marietta issued $5.5 billion in aggregate principal amount of Senior Notes across five tranches (2029, 2032, 2034, 2036, and 2056) on August 14, 2026, creating direct financial obligations under an indenture. The filing explicitly discloses the principal amounts, interest rates, maturity dates, and terms governing these debt securities, which is the hallmark of a debt issuance under Item 2.03. The proceeds are earmarked for the Lhoist North America acquisition, making this a material capital-raising event.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-08-14T20:24:21.353224+00:00","company_name":"","ticker":null,"filing_date":""},{"id":29633,"accession_number":"0001193125-26-352270","item_number":"8.01","item_title":null,"event_type":"debt_issuance","event_domain":"financial","is_material":true,"confidence":0.85,"reasoning":"The filing discloses a \"Notes offering\" with attached legal opinions from counsel, indicating issuance of debt securities. Although Item 8.01 is used here rather than the typical Item 2.03, the substance is a debt issuance — a material creation of direct financial obligation. The reference to legal opinions on the Notes confirms this is a debt offering requiring disclosure.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-08-14T20:24:21.353224+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":29631,"accession_number":"0001193125-26-352270","item_number":"1.01","item_title":null,"event_type":"debt_issuance","event_domain":"financial","is_material":true,"confidence":0.85,"reasoning":"Item 1.01 discloses entry into a material definitive agreement with information incorporated from Item 2.03 (Creation of Direct Financial Obligations). This structure indicates a debt issuance or credit facility arrangement. The cross-reference to Item 2.03 is the key signal that the material agreement involves a new financial obligation rather than a general commercial contract.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-08-14T20:24:21.353224+00:00","company_name":"MARTIN MARIETTA MATERIALS INC","ticker":"MLM","filing_date":"2026-08-14"},{"id":29632,"accession_number":"0001193125-26-352270","item_number":"2.03","item_title":null,"event_type":"debt_issuance","event_domain":"financial","is_material":true,"confidence":0.99,"reasoning":"Martin Marietta issued $5.5 billion in aggregate principal amount of Senior Notes across five tranches (2029, 2032, 2034, 2036, and 2056) on August 14, 2026, creating direct financial obligations under an indenture. The filing explicitly discloses the principal amounts, interest rates, maturity dates, and terms governing these debt securities, which is the hallmark of a debt issuance under Item 2.03. The proceeds are earmarked for the Lhoist North America acquisition, making this a material capital-raising event.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-08-14T20:24:21.353224+00:00","company_name":"MARTIN MARIETTA MATERIALS INC","ticker":"MLM","filing_date":"2026-08-14"},{"id":29633,"accession_number":"0001193125-26-352270","item_number":"8.01","item_title":null,"event_type":"debt_issuance","event_domain":"financial","is_material":true,"confidence":0.85,"reasoning":"The filing discloses a \"Notes offering\" with attached legal opinions from counsel, indicating issuance of debt securities. Although Item 8.01 is used here rather than the typical Item 2.03, the substance is a debt issuance — a material creation of direct financial obligation. The reference to legal opinions on the Notes confirms this is a debt offering requiring disclosure.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-08-14T20:24:21.353224+00:00","company_name":"MARTIN MARIETTA MATERIALS INC","ticker":"MLM","filing_date":"2026-08-14"}]}