Tenaris updates weekly share buyback repurchases

Tenaris S.A. provided a weekly update on its first tranche of a USD1.2 billion share buyback program, of which up to USD600 million is to be executed in the open market.

Accepted by SEC EDGAR 09/12/2025 - 08:05 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

Tenaris S.A. provided a weekly update on its first tranche of a USD1.2 billion share buyback program, of which up to USD600 million is to be executed in the open market. From September 8 to September 12, 2025, the company repurchased 205,005 ordinary shares for a total of €3,103,863, equivalent to USD3,641,392.

As of September 12, 2025, Tenaris held 29,499,198 ordinary shares in treasury, representing 2.75% of its total issued share capital. The company states that it intends to cancel treasury shares purchased under its buyback programs in due course.

FAQ

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What did Tenaris (TNRSF) report in its latest weekly share buyback update?

Tenaris reported that between September 8 and September 12, 2025, it repurchased 205,005 ordinary shares under its first tranche share buyback program for a total of €3,103,863, equivalent to USD3,641,392.

How large is Tenaris's current share buyback program?

Tenaris is executing the first tranche of a USD1.2 billion share buyback program, with this tranche covering up to USD600 million of repurchases in the open market.

How many Tenaris shares are currently held in treasury?

As of September 12, 2025, Tenaris held 29,499,198 ordinary shares in treasury, representing 2.75% of its total issued share capital.

What does Tenaris plan to do with the repurchased shares?

Tenaris states that it intends to cancel the treasury shares purchased under its share buyback programs in due course.

Where can investors find detailed trade data for Tenaris's buybacks?

Details of the individual buyback transactions are available on Tenaris’s corporate website under the Share Buyback Program section.

On which exchanges is Tenaris listed?

Tenaris is listed on the New York Stock Exchange and in Mexico under TS, and in Italy under TEN.

AI-generated analysis. How Rhea-AI works. Not financial advice.

Form 6-K: How Foreign Companies Report to the SEC →

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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 12, 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 8, 2025 – September 12, 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 12, 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 8, 2025 – September 12, 2025) on the First Tranche of Tenaris Share Buyback Program.

Luxembourg, September 12, 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 8, 2025 to (and including) September 12, 2025:

From September 8, 2025 to (and including) September 12, 2025, the Company has purchased a total of 205,005 ordinary shares for a total consideration of €3,103,863, equivalent to USD3,641,392.

As of September 12, 2025, the Company held in treasury 29,499,198 ordinary shares equal to 2.75% 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.