Tenaris (NYSE: TS) details weekly progress in USD1.2B buyback

Rhea-AI Filing Summary

Tenaris S.A. provided a weekly update on its Second Tranche share buyback program. Under the tranche of up to USD600 million, part of a broader USD1.2 billion program, the company repurchased 13,176 ordinary shares in the market between February 16 and February 20, 2026, for a total consideration of €283,388, equivalent to USD334,944. As of February 20, 2026, Tenaris held 62,352,601 ordinary shares in treasury, representing 5.82% of its total issued share capital, and intends to cancel the treasury shares purchased under its buyback programs in due course.

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 February 20, 2026

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 _Ö_ 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 (February 16 2026 – February 20, 2026) 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: February 20, 2026

Tenaris, S.A.

By: /s/ Giovanni Sardagna

Giovanni Sardagna

Investor Relations Officer

   

Giovanni Sardagna

Tenaris

1-888-300-5432

www.tenaris.com

Weekly Report (February 16, 2026 – February 20, 2026) on the Second Tranche of Tenaris Share Buyback Program.

Luxembourg, February 20, 2026. - 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 February 16, 2026 to (and including) February 20, 2026:

From February 16, 2026 to (and including) February 20, 2026, the Company has purchased a total of 13,176 ordinary shares for a total consideration of €283,388 equivalent to USD334,944.

As of February 20, 2026, the Company held in treasury 62,352,601 ordinary shares equal to 5.82% 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.

FAQ

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

Tenaris reported weekly activity in its Second Tranche share buyback. Between February 16 and 20, 2026, it repurchased 13,176 ordinary shares for €283,388, equivalent to USD334,944, as part of its ongoing capital return program.

How large is Tenaris’s overall share buyback program?

Tenaris has a USD1.2 billion share buyback program in place. The current Second Tranche covers up to USD600 million to be executed in the open market, with weekly reports detailing actual repurchases completed over specific periods.

How many shares did Tenaris buy back during February 16–20, 2026?

During February 16–20, 2026, Tenaris repurchased 13,176 ordinary shares. The total consideration for these shares was €283,388, which the company states is equivalent to USD334,944 under the Second Tranche of its buyback program.

What percentage of its share capital does Tenaris hold in treasury?

As of February 20, 2026, Tenaris held 62,352,601 ordinary shares in treasury. This treasury stock position represents 5.82% of the company’s total issued share capital, accumulated through its ongoing share buyback activities.

What does Tenaris plan to do with the treasury shares it repurchases?

Tenaris intends to cancel the treasury shares purchased under its buyback programs. Cancellation reduces the number of shares outstanding, which can increase each remaining share’s percentage ownership without changing investors’ absolute holdings.

Where can investors find detailed data on Tenaris’s buyback transactions?

Detailed data on Tenaris’s share buyback transactions is available on its corporate website. Investors can visit the Share Buyback Program section at https://ir.tenaris.com/share-buyback-program for transaction-by-transaction information and historical records.