BMA 6-K

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

September 30, 2024

Commission File Number: 001-32827

MACROBANK INC.

(Translation of registrant’s name intoEnglish)

Av. Eduardo Madero 1182

Buenos Aires C1106ACY

Tel: 54 11 5222 6500

(Address of registrant’s principal executiveoffices)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or 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):

INDEX

Translation of a submission from Banco Macro to the CNV dated on September 30, 2024.

BANCO MACRO S.A.

List of authorities

BOARD OF DIRECTORS

(*) Independent Director, pursuant to Section III, Chapter III, Tittle II of CNV Rules.

(1) Corresponds to the expiration the original appointment as Alternate Director. He shall hold office as Regular Director until the next General Shareholders' Meeting, as provided for under section 14 of the Bank's by-laws.

SUPERVISORY COMMITTEE

INDEPENDENT AUDITORS

Partners of Pistrelli, Henry Martin y Asociados S.R.L. (Member of Ernst & Young Global Limited)

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, thereto duly authorized.

Date: September 30, 2024