Company: BBVXF
Filing Date: 2025-09-22
Form Type: 6-K
Source: 0001193125-25-209952
Chunk: 0

Company: BANCO BILBAO VIZCAYA ARGENTARIA, S.A.
Filing Date: 2025-09-22
Form: 6-K
Chunk 0
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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-16OR 15d-16

UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of September, 2025

Commission file number: 1-10110

BANCO BILBAO VIZCAYA ARGENTARIA, S.A.

(Exact name of Registrant as specified in its charter)

BANK BILBAO VIZCAYA ARGENTARIA, S.A.

(Translation of Registrant’s name into English)

Calle Azul 4,

28050 Madrid

Spain

(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 X 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 X

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 X

Banco Bilbao Vizcaya Argentaria, S.A. (“BBVA”), in compliance with the Securities Market
legislation, hereby communicates the following:

### INSIDE INFORMATION
In relation to the voluntary tender offer launched by BBVA for the entire share capital of Banco de Sabadell, S.A. (“Banco Sabadell”)
and authorized by the Spanish Securities Market Commission (CNMV) on September 5, 2025 (the “Offer”), whose acceptance period commenced on September 8, 2025, BBVA hereby informs that its Board of Directors has resolved
to amend the terms of the Offer by improving the consideration offered (currently, one BBVA ordinary share and 0.70 euros in cash for each 5.5483 Banco Sabadell ordinary shares), with a change in its nature, becoming an entirely exchange
consideration of newly issued ordinary shares of BBVA, at an exchange ratio of one ordinary BBVA share for every 4.8376 ordinary shares of Banco Sabadell.

It is hereby stated that BBVA’s Board of Directors has taken the decision to waive both making any further improvements to the consideration