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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

Report of Foreign Issuer

Pursuant to Rule 13a-16 or 15d-16

under the Securities Exchange Act of 1934

For the month of April, 2025

Commission File Number: 001-37777

GRUPO SUPERVIELLE S.A.

(Exact name of registrant as specified in its charter)

SUPERVIELLE GROUP S.A.

(Translation of registrant’s name into English)

Reconquista 330

C1003ABG Buenos Aires

Republic of Argentina

(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  ☐

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):

Yes  ☐             No  ☒

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):

Yes  ☐             No  ☒

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GRUPO SUPERVIELLE S.A.

TABLE OF CONTENTS

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Autonomous City of Buenos Aires, April 21, 2025

Messrs.

Comisión Nacional de Valores

Bolsas y Mercados Argentinos S.A.

A3 Mercados S.A.

Present

RE: Relevant matter – Annual Report 20F

To whom it may concern,

Please be advised that on April 21, 2025, Grupo Supervielle S.A. (the “Company”) filed the Annual Report of Form 20-F for the year ended December 31, 2024, with the US Securities and Exchange Commission (“SEC”). Such Report is available electronically on our website www.gruposupervielle.com and at www.sec.gov.

Yours faithfully,

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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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