GERDAU S.A.

Foreign Filer Report • Aug 14, 2023

6-K 1 tm2322947d4_6k.htm FORM 6-K

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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 14, 2023

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 Form 20-F or Form 40-F.

Form 20-F x Form 40-F ¨

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Exhibit Index

| Exhibit | Description
of Exhibit |
| --- | --- |
| 99.1 | Material
Fact, August 14, 2023 |

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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 14, 2023

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

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