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 UNDERTHE

SECURITIES EXCHANGE ACT OF 1934

May 11, 2020

Commission File Number: 001-32827

MACRO BANK INC.

(Translation of registrant’s nameinto English)

Av. Eduardo Madero 1182

Buenos Aires C1106ACY

Tel: 54 11 5222 6500

(Address of registrant’s principalexecutive offices)

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

Buenos Aires, May 11th 2020

To

Comisión Nacional de Valores (Argentine Securities Exchange Commission)

Please be advised that the Board of Directors, in its meeting held on the date hereof, has designated the regular members of the Audit Committee, which shall therefore be composed as follows: Messrs. Mario Luis Vicens, Guillermo Eduardo Stanley and Fabián Alejandro de Paul.

We also inform the designation of Mr. Fabián Alejandro de Paul as Financial Expert of the Bank's Audit Committee, under the terms established by the Sarbanes Oxley Act of 2002.

Sincerely,

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: May 11, 2020