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 December, 2019

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 ANNOUNCEMENT TO THE MARKET

1

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: December 3, 2019.

Itaú Unibanco Holding S.A
By:	/s/    Alexsandro Broedel
	Name:	Alexsandro Broedel
	Title:	Group Executive Finance Director and Head of Investor Relations
By:	/s/    Milton Maluhy Filho
	Name:	Milton Maluhy Filho
	Title:	Chief Financial Officer

2

EX-99.1

ANNOUNCEMENT TO THE MARKET

Itaú Unibanco again selected as component of B3’s Corporate

Sustainability Index (ISE)

Itaú Unibanco Holding S.A. (for the 15th consecutive year) is pleased to

announce that has been selected again as component of B3’s Corporate

Sustainability Index (ISE) for 2020.

The new portfolio is made up of 36 shares of 30 companies, representing 15

sectors with an aggregate market value of R$ 1.64 trillion, equivalent to 37.62%

of the total market capitalization of B3 listed companies (as of November 26,

2019). The new portfolio will be effective from January 06, 2020 through

January 01, 2021.

Created in 2005 by B3 in partnership with FGV EAESP, the Corporate

Sustainability Index (ISE) reflects the return on a portfolio of shares of

companies with the best corporate sustainability performance in all its

dimensions.

The ISE’s objectives are to serve as a benchmark for socially responsible

investments and to act as a catalyst for good practices in the Brazilian business

métier.

The integration of Itaú Unibanco in ISE reflects their long-term commitment to

ethical business conduct, corporate governance and social, cultural and

environmental responsibility.

São Paulo (SP), December 03, 2019.

Alexsandro Broedel

Group Executive Finance Director and Head of Investor Relations

Itaú Unibanco Holding S.A.