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6-K 1 a6-k_itubx08122025.htm 6-K Document

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
of the Securities Exchange Act of 1934
For the month of December, 2025
Comission File Number: 001-15276
Itaú Unibanco Holding S.A.
(Exact name of registrant as specified in its charter)
Itaú Unibanco Holding S.A.
(Translation of Registrant’s Name into English)
 
Praça Alfredo Egydio de Souza Aranha, 100 - Torre Conceição
CEP 04344-902 São Paulo, SP, Brazil
(Address of principal executive office)
Indicate by check mark whether the registrant files or will file annual reports under cover 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 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):
82– __________________





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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.
Date: December 08, 2025.
Itaú Unibanco Holding S.A.
By: /s/ Gustavo Lopes Rodrigues
Name: Gustavo Lopes Rodrigues
Title: Investor Relations Officer.

EX-99.1 2 comunicadoaomercado_ficx.htm EX-99.1 comunicadoaomercado_ficx
Announcement to the Market ITAÚ UNIBANCO HOLDING S.A. (“Company”) hereby informs its shareholders and the market that it has executed contractual instruments under which it agrees to acquire: (i) the equity interests currently held, directly or indirectly, by Companhia Brasileira de Distribuição (“CBD”) and Grupo Casas Bahia S.A. (“GCB”) in Financeira Itaú CBD S.A. – Crédito, Financiamento e Investimento (“FIC”) upon closing of the transaction; and (ii) the equity interest indirectly held by Sendas Distribuidora S.A. (“Assaí”) in FIC on the second anniversary of the closing date of the transaction described in item (i) above, during which period Assaí will remain an indirect minority shareholder of FIC. The Company further informs that its subsidiary, Itaú Unibanco S.A., has also executed contractual instruments under which it agrees to acquire, upon closing of the transaction described in item (i) above, the entire equity interest currently indirectly held by GCB in Banco Investcred S.A. (“Investcred”), whereby the Company will hold 100% of Investcred’s share capital. The completion of the transactions described above is subject to the fulfillment of the conditions precedent set forth in the contractual instruments, including prior approval by the Administrative Council for Economic Defense (CADE) and the Central Bank of Brazil (BACEN), as well as other customary conditions for transactions of this nature. The Company clarifies that, once completed, such transactions will not have a material impact on its results. Additionally, the Company informs that clients of FIC and Investcred who hold credit cards and/or financial products distributed by these entities: (i) will continue to be served normally by FIC and Investcred under the terms of their respective product agreements until the closing date of the transactions described above; (ii) will continue to be able to use their credit cards at CBD, GCB, and Assaí physical and digital stores, as well as at all other commercial establishments; and (iii) will be duly informed of any changes to their respective products through FIC and Investcred’s official communication channels. São Paulo (SP), December 08, 2025. Gustavo Lopes Rodrigues Investor Relations Officer