SEC Form 6-K filed by Banco Bilbao Vizcaya Argentaria S.A.

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:

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):

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

OTHER RELEVANT INFORMATION

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 acquisitions made in execution of the Buyback Program have been duly notified, in accordance with the provisions of Regulation (EU) No 596/2014 of the European Parliament and of the Council of 16 April 2014.

As disclosed in the II for the Program Execution, the purpose of the Buyback Program is to reduce BBVA’s share capital by means of the redemption of the shares acquired. In this regard, BBVA expects to carry out the redemption of all of the own shares acquired in execution of the Buyback Program.

Likewise, BBVA informs that it has carried out the following transactions on its own shares in execution of the Buyback Program on December 9 and 10, 2025:

¹ “Buyback Program” shall have the same meaning as provided in the II for the Program Execution.

Issuer name: Banco Bilbao Vizcaya Argentaria, S.A. - LEI K8MS7FD7N5Z2WQ51AZ71

ISIN Code of the ordinary shares of BBVA: ES0113211835

Madrid, 10 December 2025

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.