ITUB 6-K
Itau Unibanco Holding S.A. (ITUB)
| UNITED STATES | ||
|---|---|---|
| SECURITIES AND EXCHANGE COMMISSION | ||
| Washington, D.C. 20549 | ||
| FORM 6-K | ||
| Report of Foreign Issuer<br>Pursuant to Rule 13a-16 or 15d-16<br>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<br>(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– __________________ |
EXHIBIT INDEX
| 99.1 | ITAÚ UNIBANCO - SUMMARIZED MINUTES OF THE MEETING OF THE FISCAL COUNCIL OF DECEMBER 18, 2025 |
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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 |
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| behalf by the undersigned, thereunto duly authorized. |
| Date: December 18, 2025. |
| Itaú Unibanco Holding S.A.<br><br>By: /s/ Gustavo Lopes Rodrigues<br><br>Name: Gustavo Lopes Rodrigues<br><br>Title: Investor Relations Officer. |
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Summarized Minutes of the Meeting of the Fiscal Council DATE AND TIME: On December 18, 2025, at 11:30 a.m. CHAIR: Gilberto Frussa. QUORUM: The totality of the elected members, with the participation of the Councilors as permitted by item 4.6 of the Internal Charter of the Fiscal Council. RESOLUTION UNANIMOUSLY MADE: Following examination of the Administration with respect to the increase in capital stock, within the authorized stock capital, through the capitalization of reserves and share bonus, the Councilors resolved to draft the following opinion: “After examining the proposal with respect to the increase in capital stock in the amount of 12,846,837,880.00 (twelve billion, eight hundred forty-six million, eight hundred thirty- seven thousand, eight hundred eighty Brazilian reais), from R$ R$ 124,063,060,190.00 (one hundred twenty-four billion, sixty-three million, sixty thousand, one hundred ninety Brazilian reais) to R$ 136,909,898,070.00 (one hundred thirty-six billion, nine hundred nine million, eight hundred ninety-eight thousand, seventy Brazilian reais), through the capitalization of Revenue Reserves – Statutory Reserves and granting to the stockholders in the form of a bonus of 3 (three) new shares for every 100 (one hundred) shares of the same type held, the members of the Fiscal Council of ITAÚ UNIBANCO HOLDING S.A. agreed with the justification for the proposal, opining favorably that the proposal should be submitted for the approval of the Board of Directors.” CLOSING: Once the work was completed, these minutes were signed after being drafted, read and approved by all. São Paulo (SP), December 18, 2025. (undersigned) Gilberto Frussa – Chairman of the Fiscal Council; Eduardo Hiroyuki Miyaki; and Marcelo Maia Tavares de Araújo – Councilors. Gustavo Lopes Rodrigues Investor Relations Officer