Company: TNRSF
Filing Date: 2025-08-01
Form Type: 6-K
Source: 0001171843-25-004952
Chunk: 0

Company: TENARIS SA
Filing Date: 2025-08-01
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 July 31, 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 ✓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 announcement regarding Tenaris 2025 Second Quarter Results Conference Call.

<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: July 31, 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

Tenaris S.A 2025 Second Quarter Results Conference Call.

On 31 stJuly 2025, Paolo Rocca, Chairman and Chief Executive Officer of Tenaris S.A. (“Tenaris” or the “Company”) and other members of the Company’s senior management participated in an audio conference with investors and analysts to discuss, among other things, the Company’s results, market background and outlook. You may access the audio conference at Tenaris Investor Relations website at: https://ir.tenaris.com/static-files/24202efb-9f4f-4903-9a47-03a9a1db7df4.

Cautionary Statement Regarding Forward-Looking Statements

The audio conference referred to above contains “forward-looking statements.” Forward-looking statements are based on management’s current views and assumptions and involve known and unknown risks that could