6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549

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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 April, 2024

Commission File Number: 001-38262

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LOMA NEGRA COMPAÑÍA INDUSTRIAL ARGENTINA SOCIEDAD ANÓNIMA (Exact Name of Registrant as Specified in its Charter)

LOMA NEGRA CORPORATION (Translation of Registrant’s name into English)

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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 ☒ 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):

This Form 6-K for Loma Negra Compañía Industrial Argentina Sociedad Anónima (or the “Company”) contains:

Exhibit 1:Relevant Event - Final Approval

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.

notificacinhr-finalappro

City of Buenos Aires, April 11, 2024 Messrs. Comisión Nacional de Valores (CNV) Messrs. Bolsas y Mercados Argentinos S.A. (BYMA) Messrs. Mercado Abierto Electrónico S.A. (MAE) Ref.: LOMA NEGRA C.I.A.S.A. – Relevant Event Dear Sirs, In addition to the Relevant Events informed on October 11th, 2023 and December 1st, 2024, we hereby inform that the New York State Court has granted final approval of the stipulation of settlement entered into by Loma Negra C.I.A.S.A. (“Settlement”), with respect to the shareholder class action lawsuit captioned “Dan Kohl v. Loma Negra CIASA, et al. - Index No. 653114/2018 (Supreme Court of the State of New York)”. The final conclusion of the Settlement is subject to a final payment to the class before October 11th, 2024, which is covered by D&O insurance policies. Once such payment has been made, the New York State Court should issue the final judgment and the case will end. Sincerely, ______________________ Marcos Isabelino Gradin Investor Relations Officer