Company: BBVXF
Filing Date: 2025-12-11
Form Type: 6-K
Source: 0001104659-25-120098
Chunk: 0

Company: BANCO BILBAO VIZCAYA ARGENTARIA, S.A.
Filing Date: 2025-12-11
Form: 6-K
Chunk 0
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<div align='center'>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 December, 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:</div>

| Form 20-F | x |     | Form 40-F |

<div align='center'>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):</div>

| Yes |     | No | x |

<div align='center'>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):</div>

| Yes |     | No | x |

Banco Bilbao Vizcaya Argentaria, S.A.(“BBVA”),
in compliance with the Spanish securities market legislation, hereby proceeds to notify the following:

<div align='center'>OTHER RELEVANT INFORMATION</div>

Further to the
notice of Inside Information of 30 January 2025, with registration number 2565, and to the notice of Inside Information of 30 October
2025, with registration number 2966 (the “II for the Program Execution”), BBVA hereby announces the completion of the
execution of the Buyback Program[1] as the maximum monetary
amount of 993 million euros communicated in the II for the Program Execution has been reached.

With the acquisition
of the last shares referenced below, the total number of shares acquired during the execution of the Buyback Program is 54,316,765 own
shares, representing, approximately, 0.93% of BBVA’s share capital as of this date.

All