GGB 6-K
Gerdau S.A. (GGB)
U.S. 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
Dated August 31, 2026
Commission File Number 1-14878
GERDAU S.A.
(Translation of Registrant’s Name into English)
Av. Dra. Ruth Cardoso, 8,501 – 8° andar
São Paulo, São Paulo - Brazil CEP 05425-070
(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 x Form 40-F ¨
Exhibit Index
| Exhibit | Description of Exhibit | |
| 99.1 | Notice to the Market – Credit Agreement |
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: August 31, 2026
| GERDAU S.A. | ||
| By: | /s/ Rafael Dorneles Japur | |
| Name: | Rafael Dorneles Japur | |
| Title: | Vice-President and Investor Relations Officer | |
Exhibit 99.1
| GERDAU S.A. Corporate Tax ID (CNPJ/MF): 33.611.500/0001-19 Registry (NIRE): 35300520696 |
METALÚRGICA GERDAU S.A. Corporate Tax ID (CNPJ/MF): 92.690.783/0001-09 Registry (NIRE): 35300520751 |
NOTICE TO THE MARKET
GERDAU S.A. (“Company”) and METALÚRGICA GERDAU S.A. hereby inform their shareholders and the market in general that the Company, Gerdau Aços Longos S.A., Gerdau Açominas S.A., Gerdau Ameristeel Corporation and other affiliated companies abroad (“Companies”) entered into, on this date, a global credit facility named Senior Unsecured Global Working Capital Credit Agreement (“Credit Agreement”).
The current facility, in the amount of US$875,000,000.00, which is fully available and undrawn, will be replaced by a credit facility in the amount of US$1,125,000,000.00, representing an increase of approximately 29% in the Companies’ total availability. The new facility will have a five-year term as from the execution date of the Credit Agreement, with maturity expected at the end of August 2031, and may be extended for up to one year.
The new credit facility will be administered by Crédit Agricole Corporate and Investment Bank (“CACIB”) and will include the participation of nine creditor banks, contracted in accordance with their respective credit approval procedures and under the terms and conditions established by the Company. In summary, the main characteristics are:
| · | Amount: US$1,125,000,000.00 (100% available as of this date); |
| · | Term: five years (extendable for an additional year); |
| · | Creditors: BBVA, Banco Santander, Bank of America, BNP Paribas, Citibank, CACIB, J.P. Morgan Chase, Mizuho Bank and Natixis. |
São Paulo, August 31, 2026.
Rafael Dorneles Japur
Vice-President and
Investor Relations Officer