Tenaris SA has reported that from September 29 to September 30, 2025, it repurchased 658,084 shares for €10,038,322 (approximately USD 11,792,279) as part of its USD 1.2 billion share buyback program. As of September 30, 2025, the company holds 33,059,955 treasury shares, representing 3.08% of its total issued capital.