ASR · Grupo Aeroportuario del Sureste, S. A. B. de C. V.

This 6-K filing serves as the formal submission of ASUR’s 2025 Form 20-F — its comprehensive annual report required of foreign private issuers — and the concurrent release of its 2025 Sustainability Report. While the filing itself contains no financial results, earnings metrics, or forward guidance, it signals the completion of ASUR’s full-year financial and sustainability disclosure cycle. The Form 20-F will contain audited financial statements, MD&A, risk factors, and corporate governance disclosures, all of which are foundational for investor due diligence and valuation analysis. The Sustainability Report provides non-financial performance data relevant to long-term risk assessment and regulatory compliance, particularly under evolving global ESG reporting expectations. Though no specific financial or operational metrics are disclosed in this 6-K, the timing and completeness of these filings support transparency and regulatory adherence — key considerations for international investors evaluating ASUR’s governance standards and reporting discipline.