Tenaris S.A. Reports on Share Buyback Program

TL;DR

Tenaris's share buyback program is underway, check the latest weekly report for details.

AI Summary

Tenaris S.A. filed a Form 6-K on September 8, 2025, reporting on its Weekly Report for September 1-5, 2025. This report details the First Tranche of the Tenaris Share Buyback Program. The filing was made as of September 5, 2025.

Why It Matters

This filing provides investors with an update on Tenaris's share repurchase activities, indicating potential capital allocation strategies and confidence in the company's valuation.

Risk Assessment

Risk Level: low — This is a routine reporting filing about a share buyback program, not indicating new material risks.

Key Players & Entities

• TENARIS SA (company) — Filer
• Giovanni Sardagna (person) — Signatory

FAQ

Filing Documents

• f6k_090525.htm (6-K) — 11KB
• hdr.jpg (GRAPHIC) — 6KB
• hdr2.jpg (GRAPHIC) — 8KB
• table.jpg (GRAPHIC) — 70KB
• hdr3.jpg (GRAPHIC) — 1KB
• 0001171843-25-005757.txt ( ) — 129KB

From the Filing

FORM 6 - K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Report of Foreign Private Issuer Pursuant to Rule 13a - 16 or 15d - 16 of the Securities Exchange Act of 1934 As of September 5, 2025 TENARIS, S.A. (Translation of Registrant's name into English) 26, Boulevard Royal, 4th floor L-2449 Luxembourg (Address of principal executive offices) Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or 40-F. Form 20-F ✓ Form 40-F The attached material is being furnished to the Securities and Exchange Commission pursuant to Rule 13a-16 and Form 6-K under the Securities Exchange Act of 1934, as amended. This report contains Tenaris’s Weekly Report (September 1, 2025 – September 5, 2025) on the First Tranche of Tenaris Share Buyback Program. SIGNATURE Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized. Date: September 5, 2025 Tenaris, S.A. By: /s/ Giovanni Sardagna Giovanni Sardagna Investor Relations Officer Giovanni Sardagna Tenaris 1-888-300-5432 www.tenaris.com Weekly Report (September 1, 2025 – September 5, 2025) on the First Tranche of Tenaris Share Buyback Program. Luxembourg, September 5, 2025. - Tenaris S.A. (NYSE and Mexico: TS and EXM Italy: TEN) (“Tenaris”) announced today that pursuant to its First Tranche of the USD1.2 billion Share Buyback Program announced on June 6, 2025, covering up to USD600 million to be executed in the open market, it has repurchased the following ordinary shares from September 1, 2025 to (and including) September 5, 2025: From September 1, 2025 to (and including) September 5, 2025, the Company has purchased a total of 323,000 ordinary shares for a total consideration of €4,924,030, equivalent to USD5,756,616. As of September 5, 2025, the Company held in treasury 29,294,193 ordinary shares equal to 2.73% of the total issued share capital. Tenaris intends to cancel treasury shares purchased under the Programs in due course. Details of the above transactions, are available on Tenaris’s corporate website under the Share Buyback Program Section https://ir.tenaris.com/share-buyback-program. Some of the statements contained in this press release are “forward-looking risks that could cause actual results, performance or events to differ materially from those expressed or implied by those statements. These risks include but are not limited to risks arising from uncertainties as to future oil and gas prices and their impact on investment programs by oil and gas companies. Tenaris is a leading global supplier of steel tubes and related services for the world’s energy industry and certain other industrial applications.

View Full Filing

View this 6-K filing on SEC EDGAR