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 August, 2023

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 FISCAL COUNCIL OF AUGUST 7, 2023;
99.2	ITAÚ UNIBANCO - SUMMARIZED MINUTES OF THE MEETING OF THE BOARD OF DIRECTORS OF AUGUST 7, 2023;
99.3	MATERIAL FACT - PROJECTIONS

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: August 7, 2023.

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 MINUTE OF THE MEETING OF THE SUPERVISORY COUNCIL

OF AUGUST 7, 2023

DATE AND TIME: On August 7, 2023 at 3:00 p.m.

CHAIR: Eduardo Hiroyuki Miyaki.

QUORUM: The majority of the elected members, with the participation of the Councilors as permitted by item 4.6 of the Internal Charter of the Supervisory Council.

RESOLUTION UNANIMOUSLY ADOPTED:

1. Gilberto Frussa was nominated for the position of Chairman of the Company's Supervisory Council and Eduardo Hiroyuki Miyaki was nominated to replace the former in the case of absence or incapacity, for the current annual term of office.

2. Following the examination of the Company’s financial statements for the period from January to June 2023, the Councilors resolved to draw up the following opinion:

“After examining the Financial Statements for the period from January to June 2023, 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 properly reflect the capital structure, the financial position and the activities carried out by the company in the period.”

CLOSING: Once the work was completed, these minutes were signed after being drafted, read and approved by all. São Paulo (State of São Paulo), August 7, 2023. (undersigned) Eduardo Hiroyuki Miyaki - Chairman; Igor Barenboim - Councilor.

RENATO LULIA JACOB

Group Head of Investor Relations and Market Intelligence

EX-99.2

Itaú Unibanco Holding S.A.

CNPJ 60.872.504/0001-23 A Publicly-Held Company NIRE 35300010230

SUMMARIZED MINUTE OF THE MEETING OF THE BOARD OF DIRECTORS

OF AUGUST 7, 2023

DATE AND TIME: On August 7, 2023 at 5:00 p.m.

CHAIR: Pedro Moreira Salles and Roberto Egydio Setubal – Co-chairmen.

QUORUM: The majority of the members elected, with the participation of Board members as permitted by item 6.7.1. of the Bylaws.

RESOLUTIONS UNANIMOUSLY ADOPTED:

Once the meeting started, the Board members examined the financial statements for the period from January to June 2023, which were the subject matter of: (i) recommendation for approval, as documented in the Summary of the Audit Committee's Report; (ii) a favorable opinion of the Supervisory Council; and (iii) an unqualified report of the Independent Auditors.

Following due consideration, the Board members concluded on the accuracy of all the documents examined, unanimously approving them and authorizing their publication by means of the submission to the Brazilian Securities and Exchange Commission (CVM), B3 S.A. – Brasil, Bolsa, Balcão, the U.S. Securities and Exchange Commission (SEC), and the New York Stock Exchange (NYSE).

CLOSING: Once the work was completed, Álvaro Felipe Rizzi Rodrigues, secretary to the Board, drafted this minute, which, after being read and approved by all, was signed. São Paulo (SP), August 7, 2023. (undersigned) Pedro Moreira Salles and Roberto Egydio Setubal – Co-Chairmen; Ricardo Villela Marino – Vice-Chairman; Alfredo Egydio Setubal, Ana Lúcia de Mattos Barretto Villela, Candido Botelho Bracher, César 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

EX-99.3

Itaú Unibanco Holding S.A.

CNPJ 60.872.504/0001-23 A Publicly-Held Company NIRE 35300010230

MATERIAL FACT

Itaú Unibanco Holding S.A. (“Company" or “Itaú Unibanco”), in compliance with Article 157, Paragraph 4 of Law 6,404/76 and Resolution no. 44/21 of the Brazilian Securities and Exchange Commission, informs its stockholders and the market in general that as of this date it has released its revised projections for the year 2023 in accordance with the provision in item 03 (“Projections”) of the Reference Form.

It’s important to mention that, as of the third quarter of 2023, the Company considers in the management purposes a cost of capital of around 14.25% p.y.

Information on outlooks for the business, projections and operational and financial goals are solely forecasts, based on management’s current outlook in relation to the future of Itaú Unibanco. These expectations are highly dependent on market conditions, general economic performance of the country, of the sector and the international markets. Therefore, our effective results and performance may differ from those forecasted in this prospective information.

São Paulo, August 07^th, 2023

Renato Lulia Jacob

Group Head of Investor Relations and Market Intelligence