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UNITED STATES SECURITIES AND EXCHANGE
\nCOMMISSION\n

WASHINGTON, D.C. 20549

FORM 6-K

REPORT OF FOREIGN\nISSUER PURSUANT TO RULE 13a-16 OR 15d-16

UNDER THE SECURITIES\nEXCHANGE ACT OF 1934

For the month of October, 2026

Commission file number: 1-10110

BANCO BILBAO VIZCAYA ARGENTARIA, S.A.

(Exact name of Registrant as specified in its\ncharter)

BANK BILBAO VIZCAYA ARGENTARIA, S.A.

(Translation of Registrant’s name into\nEnglish)

Calle Azul 4,

28050 Madrid

Spain

(Address of principal executive offices)

Indicate by check mark whether the registrant files\nor will file annual reports under cover of Form 20-F or Form 40-F:

\n \n \n \n

Form\n20-F x

Form 40-F ¨

Indicate by check mark if the registrant is submitting\nthe Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1):

\n \n \n \n

Yes  ¨

No  x

Indicate by check mark if the registrant is submitting\nthe Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7):

\n \n \n \n

Yes  ¨

No  x

$\"\"$

Banco Bilbao Vizcaya Argentaria, S.A.\n(“BBVA”), in compliance with the securities market legislation, hereby communicates the following:

OTHER RELEVANT INFORMATION

Further to the notice of\ninside information of 30 July 2026, with registration number in the CNMV 3316, and the notice of inside information of 13 October 2026,\nwith registration number in the CNMV 3362 relating to the execution of the second tranche of a buyback program of own shares of BBVA (the\n“Second Tranche”), and pursuant to article 5 of Regulation (EU) no. 596/2014 of the European Parliament and of the\nCouncil of 16 April 2014 on market abuse, BBVA informs–on the basis of the information received from J.P.Morgan SE as the Second\nTranche manager– that it has carried out the following transactions over BBVA shares in execution of the Second Tranche between\n14 October and 16 October 2026 (both inclusive):

$\"\"$

The cash\namount of the shares purchased to date as a result of the execution of the Second Tranche amounts to 79,043,373.31 Euros, which, approximately,\nrepresents 7.90% of the maximum cash amount of the Second Tranche.

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

ISIN Code of the ordinary shares of\nBBVA: ES0113211835

Madrid, 19 October 2026

\n\n \n

This English version is a translation of the original in Spanish for information purposes only. In case\n of discrepancy, the Spanish original will prevail.

SIGNATURE

Pursuant to the requirements of the Securities\nExchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n

	Banco Bilbao Vizcaya Argentaria, S.A.

Date: October 19, 2026	By:	/s/ José María Caballero Cobacho
	Name: José María Caballero Cobacho
	Title: Head of ALM

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