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6-K 1 tm256015d1_6k.htm FORM 6-K

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 February 10, 2025

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 ¨

Exhibit Index

Exhibit		Description of Exhibit

99.1		Notice to the Market, February 10, 2025

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: February 10, 2025

	GERDAU S.A.

	By:	/s/ Rafael Dorneles Japur
	Name:	Rafael Dorneles Japur
	Title:	Executive Vice President
		Investor Relations Director

EX-99.1 2 tm256015d1_ex99-1.htm EXHIBIT-99.1

Exhibit 99.1

GERDAU S.A.

Corporate Tax ID (CNPJ): 33.611.500/0001-19

Registry (NIRE): 35300520696

NOTICE TO THE MARKET

Gerdau S.A. (B3: GGBR / NYSE: GGB) (“Company”), following the Notice to the Market released on November 21, 2024, informs its shareholders and the market in general that on this date, after fulfilling all precedent conditions for this type of operation, including approval by competition authorities, it has concluded the transaction with Sumitomo Corporation and The Japan Steel Works Ltd. for the acquisition of 39.53% and 1.74%, respectively, of the total shares issued by Gerdau Summit Aços Fundidos e Forjados S.A. (“Gerdau Summit”).

With the closing of this transaction, the Company now holds 100% of the share capital of Gerdau Summit.

São Paulo, February 10, 2025.

Rafael Dorneles Japur

Executive Vice-President and

Investor Relations Officer

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