Form 3 Filing for SOUTHEAST AIRPORT GROUP (ASR) - Initial Statement of Beneficial Ownership

This filing is an initial statement of beneficial ownership (Form 3) for Steden Heliane Marie Luise, reporting owner, with respect to SOUTHEAST AIRPORT GROUP (ASR). The reporting owner, identified by CIK 0002123501, is a director of the issuer. The filing indicates that the reporting owner has no securities owned as of the period of report, March 31, 2026. The signature date is also March 31, 2026. The reporting owner’s address is located in Mexico City, Mexico.