{"filing":{"accession_number":"0000950157-26-000850","cik":"0000916076","ticker":"MLM","company_name":"MARTIN MARIETTA MATERIALS INC","form":"8-K","filing_date":"2026-08-05","report_date":"2026-08-05","primary_document":"form8-k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/916076/000095015726000850/form8-k.htm"},"events":[{"id":24211,"run_id":21923,"accession_number":"0000950157-26-000850","anchor_item_number":"8.01","event_type":"ma_activity","event_domain":"operational","is_material":true,"confidence":0.95,"summary":"Martin Marietta announced receipt of all necessary regulatory approvals for its $13.5 billion acquisition of Lhoist North America, Inc., with closing expected in Q3 2026. This is a material acquisition disclosed under Item 8.01 (Other Events) that would significantly affect investor assessment of the registrant's strategic direction and financial position. The transaction represents a major business combination that expands Martin Marietta's lime and limestone product portfolio.","company_name":"MARTIN MARIETTA MATERIALS INC","ticker":"MLM","filing_date":"2026-08-05","form":"8-K","submitted_at":null,"items":[{"id":24685,"accession_number":"0000950157-26-000850","item_number":"8.01","item_title":"Other Events.","event_type":"ma_activity","event_domain":"operational","is_material":true,"confidence":0.95,"reasoning":"Martin Marietta announced receipt of all necessary regulatory approvals for its $13.5 billion acquisition of Lhoist North America, Inc., with closing expected in Q3 2026. This is a material acquisition disclosed under Item 8.01 (Other Events) that would significantly affect investor assessment of the registrant's strategic direction and financial position. The transaction represents a major business combination that expands Martin Marietta's lime and limestone product portfolio.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-08-06T00:34:21.869618+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":24685,"accession_number":"0000950157-26-000850","item_number":"8.01","item_title":"Other Events.","event_type":"ma_activity","event_domain":"operational","is_material":true,"confidence":0.95,"reasoning":"Martin Marietta announced receipt of all necessary regulatory approvals for its $13.5 billion acquisition of Lhoist North America, Inc., with closing expected in Q3 2026. This is a material acquisition disclosed under Item 8.01 (Other Events) that would significantly affect investor assessment of the registrant's strategic direction and financial position. The transaction represents a major business combination that expands Martin Marietta's lime and limestone product portfolio.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-08-06T00:34:21.869618+00:00","company_name":"MARTIN MARIETTA MATERIALS INC","ticker":"MLM","filing_date":"2026-08-05"}]}