Company: TNRSF
Filing Date: 2025-02-10
Form Type: 6-K
Source: 0001171843-25-000700
Chunk: 0

Company: TENARIS SA
Filing Date: 2025-02-10
Form: 6-K
Chunk 0
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<div align='center'>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</div>

As of February 7, 2025

<div align='center'>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 ___</div>

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 3, 2025 – February 7, 2025) on the USD 700 million Share Buyback Program.

<div align='center'>SIGNATURE</div>

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 7, 2025

<div align='center'>Tenaris, S.A.</div>

By: /s/ Giovanni Sardagna

Giovanni Sardagna

Investor Relations Officer

Giovanni Sardagna

Tenaris

1-888-300-5432

www.tenaris.com

**Weekly Report (February 3, 2025 – February 7, 2025)
on the USD 700 million Tenaris Share Buyback Program.

Luxembourg, February 7, 2025. - Tenaris S.A. (NYSE and Mexico: TS
and EXM Italy: TEN) (“Tenaris”) announced today that pursuant to its up to USD 700 million Share Buyback Program announced
on November 10, 2024, (subject to a maximum of 46,373,915 ordinary shares), to be executed in the open market, it has repurchased the
following ordinary shares from February 3, 2025 to (and including) February 7, 2025:

From February 3