Itaú Unibanco (NYSE: ITUB) council supports 2025 financial statements

Rhea-AI Filing Summary

Itaú Unibanco Holding S.A. filed a Form 6-K presenting summarized minutes of its Fiscal Council meeting held on February 4, 2026. The Council examined the company’s financial statements for the year ended December 31, 2025, together with the unqualified report from PricewaterhouseCoopers Auditores Independentes.

The Fiscal Council stated that these financial statements fairly reflect Itaú Unibanco’s capital structure, financial position and activities for the period and meet the conditions required for submission to stockholders for their examination and approval.

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 February, 2026

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– __________________

EXHIBIT INDEX

99.1 ITAÚ UNIBANCO - Summarized Minutes of the Meeting of the Fiscal Council of February 4, 2026

.

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: February 4, 2026.

Itaú Unibanco Holding S.A.

By: /s/ Gustavo Lopes Rodrigues

Name: Gustavo Lopes Rodrigues

Title: Investor Relations Officer.

Corporativo | Interno Summarized Minutes of the Meeting of the Fiscal Council DATE AND TIME: On February 04, 2026, at 2:00 p.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 Company’s financial statements for the year ended December 31, 2025, the Councilors resolved to draw up the following opinion: “After examining the Company’s financial statements for the year ended December 31, 2025 and taking into consideration the unqualified report of PricewaterhouseCoopers Auditores Independentes, the opinion of the effective members of the Supervisory Council of ITAÚ UNIBANCO HOLDING S.A. is that these documents fairly reflect the capital structure, the financial position and the activities conducted by the Company in the period and meet the conditions necessary for the submission for the examination and approval of the Stockholders.” CLOSING: Once the work was completed, these minutes were signed after being drafted, read and approved by all. São Paulo (SP), February 04, 2026. (undersigned) Gilberto Frussa – Chairman of the Fiscal Council; Eduardo Hiroyuki Miyaki and Marcelo Maia Tavares de Araújo – Councilors. Gustavo Lopes Rodrigues Investor Relations Officer

FAQ

What does Itaú Unibanco (ITUB) disclose in this Form 6-K filing?

The filing presents summarized minutes from a February 4, 2026 Fiscal Council meeting. It records the Council’s opinion that Itaú Unibanco’s 2025 financial statements fairly reflect capital structure, financial position and activities, and are suitable for submission to stockholders for examination and approval.

What did Itaú Unibanco’s Fiscal Council conclude about the 2025 financial statements?

The Fiscal Council concluded that the 2025 financial statements fairly reflect the company’s capital structure, financial position and activities. It also stated that the documents meet the conditions necessary to be submitted to Itaú Unibanco’s stockholders for their examination and potential approval.

How did the external auditors report on Itaú Unibanco’s 2025 financial statements?

PricewaterhouseCoopers Auditores Independentes issued an unqualified report on Itaú Unibanco’s 2025 financial statements. The Fiscal Council’s opinion explicitly considers this unqualified report when affirming that the financial statements fairly present the company’s capital structure, financial position and activities during the period.

Who participated in Itaú Unibanco’s Fiscal Council meeting about 2025 results?

The meeting was chaired by Gilberto Frussa with participation of all elected members, including councilors Eduardo Hiroyuki Miyaki and Marcelo Maia Tavares de Araújo. The minutes note that participation followed item 4.6 of the Internal Charter of the Fiscal Council for the company.

What is the next step for Itaú Unibanco’s 2025 financial statements after the Council’s opinion?

After the Fiscal Council’s favorable opinion, the 2025 financial statements are considered to meet conditions for submission to stockholders. This submission enables stockholders to examine the documents and decide on their approval in accordance with Itaú Unibanco’s corporate governance framework.