6-K

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, 2024

Commission 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 Conceicao

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 BOARD OF DIRECTORS OF FEBRUARY 1, 2024

SIGNATURES

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 1, 2024.

Itaú Unibanco Holding S.A.
By:	/s/ Renato Lulia Jacob
Name:	Renato Lulia Jacob
Title:	Group Head of Investor Relations and Market Intelligence
By:	/s/ Alexsandro Broedel
Name:	Alexsandro Broedel
Title:	Chief Financial Officer

EX-99.1

ITAÚ UNIBANCO HOLDING S.A. CNPJ 60.872.504/0001-23 A Publicly-Held Company NIRE 35300010230 SUMMARIZED MINUTES OF THE MEETING OF THE BOARD OF DIRECTORS OF FEBRUARY 1, 2024 DATE AND TIME: On February 1, 2024, at 9:00 a.m. CHAIR: Pedro Moreira Salles and Roberto Egydio Setubal – Co-chairmen. QUORUM: The majority of the elected members, with the attendance of Board members as permitted by item 6.7.1. of the Bylaws. RESOLUTIONS UNANIMOUSLY MADE: 1. Elected to the position of Officer of the Company CRISTIANO GUIMARÃES DUARTE, Brazilian, married, business administrator, bearer of the Identity Card (RG-SSP/SP) No. 52.635.293-0 and enrolled with the Individual Taxpayer’s Registry (CPF) under the No. 024.311.796-56, domiciled in the city and state of São Paulo, at Avenida Brigadeiro Faria Lima, 3.500, 2º andar, Itaim Bibi, CEP 04538-132, for the annual term of office in course, which will be effective until the members elected in the meeting of this Board after the Annual General Stockholders’ Meeting of 2024 take office. 1.1 It is recorded that the elected Officer: (i) submitted substantiating documents of compliance with prior conditions for eligibility pursuant to articles 146 and 147 of Law No. 6,404/76 and current regulations, particularly in Resolution No. 4,970/21 of the National Monetary Council (“CMN”) and in Attachment K of Resolution No. 80/22 of the Brazilian Securities and Exchange Commission (“CVM”), including clearance certificates, and all these documents were filed at the Company’s head office; and (ii) shall be vested in their positions following ratification of their election by the Central Bank of Brazil (“BCB”). 2. It is recorded the transfer of the responsibilities for (i) Adjusting the Products, Services and Operations to the Client’s profile – CVM Resolution No. 30/21; and (ii) Operations carried out with securities in regulated markets – CVM Resolution No. 35/21, to Officer Cristiano Guimarães Duarte from Officer Carlos Fernando Rossi Constantini, and these responsibilities will be in charge of Carlos Fernando Rossi Constantini until the former takes office. 3. It is also recorded that the other positions of the Board of Officers and their responsibilities remained unchanged. CLOSING: Once the work was completed, Álvaro Felipe Rizzi Rodrigues, secretary to the Board, drafted these minutes and, after they were read and approved by all, they were signed by the meeting attendees. São Paulo (SP), February 1, 2024. (undersigned) Pedro Moreira Salles SUMMARIZED MINUTES OF THE MEETING OF THE BOARD OF DIRECTORS OF ITAÚ UNIBANCO HOLDING S.A. OF FEBRUARY 1, 2024 page 2 and Roberto Egydio Setubal – Co-chairmen; Ricardo Villela Marino – Vice Chairman; Alfredo Egydio Setubal, Ana Lúcia de Mattos Barreto Villela, Candido Botelho Bracher, Cesar Nivaldo Gon, Fábio Colletti Barbosa, João Moreira Salles, Maria Helena dos Santos Fernandes de Santana and Pedro Luiz Bodin de Moraes – Board members. RENATO LULIA JACOB Group Head of Investor Relations and Market Intelligence