On December 26, 2025, Tenaris S.A. reported buying back 2,408,733 ordinary shares worth approximately USD 46.2 million from December 22 to 26, as part of its USD 1.2 billion share buyback program initiated on November 2, 2025. The company now holds 59,008,147 shares in treasury, equating to 5.50% of its total share capital.