# EDGAR Filing Document

**Accession Number:** 0001190723
**File Stem:** 0001171843-25-004010
**Filing Date:** 2025-6
**Character Count:** 3960
**Document Hash:** 20c896c0f6a185f51d3b1349e495d5d0
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001171843-25-004010.hdr.sgml**: 20250623

**ACCESSION NUMBER**: 0001171843-25-004010

**CONFORMED SUBMISSION TYPE**: 6-K

**PUBLIC DOCUMENT COUNT**: 4

**CONFORMED PERIOD OF REPORT**: 20250620

**FILED AS OF DATE**: 20250623

**DATE AS OF CHANGE**: 20250620

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** TENARIS SA
- **CENTRAL INDEX KEY:** 0001190723
- **STANDARD INDUSTRIAL CLASSIFICATION:** STEEL WORKS, BLAST FURNACES  ROLLING MILLS (COKE OVENS) [3312]
- **ORGANIZATION NAME:** 04 Manufacturing
- **EIN:** 000000000

**FILING VALUES:**
- **FORM TYPE:** 6-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-31518
- **FILM NUMBER:** 251062761

**BUSINESS ADDRESS:**
- **STREET 1:** 26, BOULEVARD ROYAL, 4TH FLOOR
- **CITY:** LUXEMBOURG
- **STATE:** N4
- **ZIP:** L-2449
- **BUSINESS PHONE:** 1-888-300-5432

**MAIL ADDRESS:**
- **STREET 1:** 26, BOULEVARD ROYAL, 4TH FLOOR
- **CITY:** LUXEMBOURG
- **STATE:** N4
- **ZIP:** L-2449

**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 June 20, 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 _<u>Ö</u>_ 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 (June 16, 2025 – June 20, 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: June 20, 2025

Tenaris, S.A.

By: /s/ Giovanni Sardagna

Giovanni Sardagna

Investor Relations Officer

![](hdr.jpg)

Giovanni Sardagna

Tenaris

1-888-300-5432

www.tenaris.com

Weekly Report (June 16, 2025 – June 20, 2025) on the First Tranche of Tenaris Share Buyback Program.

**Luxembourg, June 20, 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 USD 600 million to be executed in the open market, it has repurchased the following ordinary shares from June 16, 2025 to (and including) June 20, 2025:

![](table.jpg)

From June 16, 2025 to (and including) June 20, 2025, the Company has purchased a total of 4,603,981 ordinary shares for a total consideration of €72,758,161, equivalent to USD83,850,276.

As of June 20, 2025, the Company held in treasury 8,759,170 ordinary shares equal to 0.82% of the total issued share capital.

![](hdr2.jpg)

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.*