Tenaris SA 6-K, filed Nov 24, 2025
Tenaris SA (TS)
About this 6-K
Tenaris SA filed this 6-K on November 24, 2025.
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 November 21, 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 (November 17, 2025 – November 21, 2025) on the Second 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: November 21, 2025
Tenaris, S.A.
By: /s/ Giovanni Sardagna
Giovanni Sardagna
Investor Relations Officer
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Giovanni Sardagna
Tenaris
1-888-300-5432
www.tenaris.com
Weekly Report (November 17, 2025 – November 21, 2025) on the Second Tranche of Tenaris Share Buyback Program.
Luxembourg, November 21, 2025. - Tenaris S.A. (NYSE and Mexico: TS and EXM Italy: TEN) (“Tenaris”) announced today that pursuant to its Second Tranche of the USD1.2 billion Share Buyback Program announced on November 2, 2025, covering up to USD600 million to be executed in the open market, it has repurchased the following ordinary shares from November 17, 2025 to (and including) November 21, 2025:
From November 17, 2025 to (and including) November 21, 2025, the Company has purchased a total of 4,294,448 ordinary shares for a total consideration of €74,766,897, equivalent to USD86,525,791.
As of November 21, 2025, the Company held in treasury 37,359,848 ordinary shares equal to 3.49% 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 statements”. Forward-looking statements are based on management’s current views and assumptions and involve known and unknown 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.