Cameco Corporation Annual Report 2025

This filing is a Form 6-K, reporting for the month of April 2026 by Cameco Corporation. The report indicates that the registrant files annual reports under Form 40-F and does not furnish information to the Commission pursuant to Rule 12g3-2(b). The primary exhibit included is the Cameco Corporation 2025 Annual Report. The report is signed by R. Liam Mooney, Senior Vice-President and Chief Legal Officer, on April 2, 2026.