FORM 6-K
SECURITIES AND
EXCHANGE COMMISSION
Washington,
D.C. 20549
Report of Foreign
Issuer
Pursuant to Rule
13a-16 or 15d-16 of the Securities Exchange Act of 1934
For the month of September
2025
Commission File Number: 001-12568
BBVA Argentina Bank S.A.
(Translation of registrant’s
name into English)
111 Córdoba
Av, C1054AAA
Buenos Aires, 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 ☒
Indicate by check
mark whether by furnishing the information contained in this Form, the Registrant is also thereby furnishing the information to the Commission
pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934:
Yes ☐
No ☒
If “Yes”
is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b): N/A
BBVA Argentina Bank S.A.
TABLE OF CONTENTS
Item
Material
Event
Class
action filed by the Protegiendo al Consumidor (P.A.C.) c/ BBVA Banco Frances S.A. s/ Repetición de Sumas de Dinero" (File
27.694 /2025), pending before Civil and Commercial Court No. 14, Exclusive Office, of Mar del Plata.

Ciudad Autónoma de Buenos Aires, September 25, 2025
Securities and Exchange Commission
RE: “Protegiendo al Consumidor (P.A.C.)
c/ BBVA Banco Frances S.A. s/ Repetición de Sumas de Dinero" (File 27.694 /2025), pending before Civil and Commercial Court
No. 14, Exclusive Office, of Mar del Plata.
Dear Sirs:
I hereby address you, in my
capacity as Head of Market Relations of Banco BBVA Argentina S.A., in order to inform that Banco BBVA Argentina S.A. (hereinafter “BBVA”)
has been notified of a class action filed by the Protegiendo al Consumidor (P.A.C.).
The Association seeks the unconstitutionality
of Section 20 of Decree 70/2023, which modified Section 18 of Law 25.065 - whereby the limit on punitive interest was eliminated - and
the limit of such interest was reestablished as provided by the previous Section 18, in force until December 20, 2023, and consequently,
the reimbursement of the amounts collected in excess from users and consumers of credit cards issued by the Bank in the Province of Buenos
Aires, plus interest and costs.
It is important to remark that this action
is informed even though it is materially impossible to determine to date, whether the claim has a significant economic importance, since
such claim is brought for an indeterminate amount, materially impossible to be determined with certainty today.
The Bank is analyzing the content of the
lawsuit and defining the course of action, thus considering that even in the hypothetical case of an adverse decision regarding this dispute,
such circumstance will not have a significant impact on its assets and activities.
Yours faithfully,
BANCO BBVA ARGENTINA S.A.
Eduardo González Correas
Head of Market Relations
Av. Córdoba 111, piso 31 (C1054AAA) Ciudad Autónoma
de Buenos Aires, Argentina
IGJ 17-07-21 N° 11.156 L.103 T SA (T.O)
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.
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BBVA Argentina Bank
S.A.
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Date: September 25, 2025
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By: /s/ Carmen
Morillo Arroyo
Name: Carmen
Morillo Arroyo
Title: Chief
Financial Officer |
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