# EDGAR Filing Document

**Accession Number:** 0001073404
**File Stem:** 0001104659-25-056535
**Filing Date:** 2025-6
**Character Count:** 3561
**Document Hash:** acd08ce98b020b3ac9402dc097e8f180
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001104659-25-056535.hdr.sgml**: 20250605

**ACCESSION NUMBER**: 0001104659-25-056535

**CONFORMED SUBMISSION TYPE**: 6-K

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20250604

**FILED AS OF DATE**: 20250605

**DATE AS OF CHANGE**: 20250604

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** GERDAU S.A.
- **CENTRAL INDEX KEY:** 0001073404
- **STANDARD INDUSTRIAL CLASSIFICATION:** STEEL WORKS, BLAST FURNACES & ROLLING & FINISHING MILLS [3310]
- **ORGANIZATION NAME:** 04 Manufacturing
- **EIN:** 000000000
- **STATE OF INCORPORATION:** D5
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 6-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-14878
- **FILM NUMBER:** 251024760

**BUSINESS ADDRESS:**
- **STREET 1:** AV DOUTORA RUTH CARDOSO, 8,501
- **STREET 2:** 8TH FLOOR
- **CITY:** SAO PAULO, SP
- **STATE:** D5
- **ZIP:** 05425-070
- **BUSINESS PHONE:** 011-55-51-3323-2703

**MAIL ADDRESS:**
- **STREET 1:** AV DOUTORA RUTH CARDOSO, 8,501
- **STREET 2:** 8TH FLOOR
- **CITY:** SAO PAULO, SP
- **STATE:** D5
- **ZIP:** 05425-070

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** GERDAU SA
- **DATE OF NAME CHANGE:** 19981112

**UNITED STATES** 

**SECURITIES AND EXCHANGE COMMISSION** 

**Washington, D.C. 20549** 

**FORM 6-K** 

**Report of Foreign Private Issuer** 

**Pursuant to Rule 13a-16 or 15d-16** 

**under the Securities Exchange Act of 1934** 

**For the month of June 2025**

**Commission File Number: 001-14878**

**GERDAU S.A.** 

**Av. Dra. Ruth Cardoso, 8501, 8th floor**

**05425-070 São Paulo, São Paulo**

**Federative Republic of Brazil**

**(Address of principal executive offices)** 

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F:

Form 20-F ⌧ Form 40-F ◻

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): ◻

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): ◻

![](tm2517162d2_6kimg01.jpg)

**GERDAU S.A.**

CNPJ No. 33.611.500/0001-19

NIRE No. 35300520696

Publicly-held company

**NOTICE TO THE MARKET**

**Gerdau S.A.** (B3: GGBR / NYSE: GGB) ("Company") communicates, following up on the notice to the market dated June 3, 2025, that it has priced the Offering, in the United States, of New Bonds issued by its subsidiary, Gerdau Trade. The Offering will be carried out in the total amount of US$650,000,000, maturing in 2035 and coupon of 5.750% per year, with the *Bonds* priced at 99.947% of their principal amount.

This notice to the market is disclosed for informational purposes only and should not be considered an offer to sell or solicitation to buy the New Bonds, in the United States or in any other country, including Brazil, as well as no sales of the New Bonds should be made in any jurisdiction where such offer, solicitation or sale would be illegal.

São Paulo, June 4, 2025.

**Rafael Dorneles Japur**

Vice President and

Investor Relations Officer

**SIGNATURES**

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 4, 2025

---

| | | |
|:---|:---|:---|
| Gerdau S.A. | Gerdau S.A. | Gerdau S.A. |
| By: | /s/ Rafael Dorneles Japur | /s/ Rafael Dorneles Japur |
|  | Name: | Rafael Dorneles Japur |
|  | Title: | Vice-President and Investor Relations Officer |

---