6-K

UNITED STATES

SECURITIES ANDEXCHANGE COMMISSION

Washington,D.C. 20549

FORM 6-K

REPORTOF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16

UNDERTHE SECURITIES EXCHANGE ACT OF 1934

For the month of July2024

Commission File Number001-11176

GRUPO SIMEC, S.A.B. DE C.V.

(Translation of registrant’s name into English)

Avenida Lázaro Cárdenas 601

Colonia La Nogalera

44440 Guadajalara, Jalisco

México

(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 ☐

Grupo Simec Appoints Mr. Sergio Vigil Gonzálezas Chief Executive Officer

GUADALAJARA, Jalisco, July 9, 2024 – Grupo Simec, S.A.B. de C.V. (“Grupo Simec” or the “Company”), informs of the recent appointment of the new General Director.

Accountant Sergio Vigil González assumes the General Management as of July 5, 2024 in the company

Engineer Rufino Vigil González, continues as President of the Board of Directors of Grupo Simec S.A.B. de C.V.

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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.

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