{"filing":{"accession_number":"0001104659-26-111185","cik":"0001123452","ticker":"ASRMF","company_name":"SOUTHEAST AIRPORT GROUP","form":"6-K","filing_date":"2026-09-28","report_date":"2026-09-28","primary_document":"tm2626158d1_6k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1123452/000110465926111185/tm2626158d1_6k.htm"},"events":[{"id":35335,"run_id":32542,"accession_number":"0001104659-26-111185","anchor_item_number":"EX-99.4","event_type":"ma_activity","event_domain":"operational","is_material":true,"confidence":0.95,"summary":"This exhibit presents unaudited pro forma condensed combined financial information for ASUR's acquisition of CPC Aeroportos, completed on September 1, 2026. The document explicitly discloses the acquisition of 100% of CPC Aeroportos for R$5.1 billion (approximately U.S.$992.2 million), financed with a U.S.$1,230 million bridge facility. The acquisition adds 20 airport concessions across Brazil, Ecuador, Costa Rica, and Curaçao, serving over 45 million passengers annually—a material expansion of ASUR's geographic footprint and asset base. This is a completed material acquisition requiring pro forma financial disclosure under Regulation S-X Article 11.","company_name":"SOUTHEAST AIRPORT GROUP","ticker":"ASRMF","filing_date":"2026-09-28","form":"6-K","submitted_at":null,"items":[{"id":39356,"accession_number":"0001104659-26-111185","item_number":"EX-99.4","item_title":"tm2626158d1_ex99-4.htm","event_type":"ma_activity","event_domain":"operational","is_material":true,"confidence":0.95,"reasoning":"This exhibit presents unaudited pro forma condensed combined financial information for ASUR's acquisition of CPC Aeroportos, completed on September 1, 2026. The document explicitly discloses the acquisition of 100% of CPC Aeroportos for R$5.1 billion (approximately U.S.$992.2 million), financed with a U.S.$1,230 million bridge facility. The acquisition adds 20 airport concessions across Brazil, Ecuador, Costa Rica, and Curaçao, serving over 45 million passengers annually—a material expansion of ASUR's geographic footprint and asset base. This is a completed material acquisition requiring pro forma financial disclosure under Regulation S-X Article 11.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-09-28T12:30:00.675680+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":39353,"accession_number":"0001104659-26-111185","item_number":"EX-99.1","item_title":"tm2626158d1_ex99-1.htm","event_type":"periodic_interim","event_domain":"periodic","is_material":false,"confidence":0.95,"reasoning":"This exhibit is an unaudited condensed consolidated interim financial report for the six-month period ended June 30, 2026, prepared in accordance with IAS 34 (Interim Financial Reporting). It presents complete financial statements (balance sheet, income statement, cash flows, changes in equity) and accompanying notes. This is a periodic interim financial report itself, not a discrete event or earnings release announcement, and should be classified as periodic_interim per the taxonomy guidance.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-09-28T12:30:00.675680+00:00","company_name":"SOUTHEAST AIRPORT GROUP","ticker":"ASRMF","filing_date":"2026-09-28"},{"id":39354,"accession_number":"0001104659-26-111185","item_number":"EX-99.2","item_title":"tm2626158d1_ex99-2.htm","event_type":"periodic_annual","event_domain":"periodic","is_material":false,"confidence":0.95,"reasoning":"This exhibit is a consolidated financial statement package for Companhia de Participações em Concessões for the years ended December 31, 2025 and 2024, comprising a complete audited annual report with independent auditors' opinion, consolidated statement of financial position, profit or loss, comprehensive income, changes in equity, and cash flows. It is a periodic annual financial report (the foreign-issuer equivalent of a 10-K), not a discrete event or earnings release announcement.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-09-28T12:30:00.675680+00:00","company_name":"SOUTHEAST AIRPORT GROUP","ticker":"ASRMF","filing_date":"2026-09-28"},{"id":39355,"accession_number":"0001104659-26-111185","item_number":"EX-99.3","item_title":"tm2626158d1_ex99-3.htm","event_type":"periodic_interim","event_domain":"periodic","is_material":false,"confidence":0.95,"reasoning":"This exhibit is an unaudited consolidated interim financial report for Companhia de Participações em Concessões covering the six-month period ended June 30, 2026. It includes a complete set of interim financial statements (statement of financial position, profit or loss, comprehensive income, changes in equity, and cash flows) with notes, reviewed by KPMG in accordance with ISAE 2410. This is a periodic interim financial report itself, not a discrete event or earnings press release, and should be deferred for separate processing as a periodic filing rather than classified as an event.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-09-28T12:30:00.675680+00:00","company_name":"SOUTHEAST AIRPORT GROUP","ticker":"ASRMF","filing_date":"2026-09-28"},{"id":39356,"accession_number":"0001104659-26-111185","item_number":"EX-99.4","item_title":"tm2626158d1_ex99-4.htm","event_type":"ma_activity","event_domain":"operational","is_material":true,"confidence":0.95,"reasoning":"This exhibit presents unaudited pro forma condensed combined financial information for ASUR's acquisition of CPC Aeroportos, completed on September 1, 2026. The document explicitly discloses the acquisition of 100% of CPC Aeroportos for R$5.1 billion (approximately U.S.$992.2 million), financed with a U.S.$1,230 million bridge facility. The acquisition adds 20 airport concessions across Brazil, Ecuador, Costa Rica, and Curaçao, serving over 45 million passengers annually—a material expansion of ASUR's geographic footprint and asset base. This is a completed material acquisition requiring pro forma financial disclosure under Regulation S-X Article 11.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-09-28T12:30:00.675680+00:00","company_name":"SOUTHEAST AIRPORT GROUP","ticker":"ASRMF","filing_date":"2026-09-28"}]}