Director Ricardo Villela Marino details ITUB share stakes in Form 3

Rhea-AI Filing Summary

Itau Unibanco Holding S.A. director Ricardo Villela Marino filed an initial ownership report detailing his shareholdings. He reports direct ownership of 200,298 preferred shares (ITUB4) and 93,710 common shares (ITUB3) as of the filing date.

He also reports indirect ownership, held through a corporation that is an indirect controlling shareholder of Itau Unibanco. These indirect positions include 5,107,553,780 common shares (ITUB3) and 191,842 preferred shares (ITUB4). He disclaims beneficial ownership of these indirect shares except to the extent of his pecuniary interest.

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

Villela Marino Ricardo

(Last) (First) (Middle)

BRIGADEIRO FARIA LIMA AVENUE, 3500

(Street)

SAO PAULO SAO PAULO 04538-132

(City) (State) (Zip)

BRAZIL

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
03/18/2026

3. Issuer Name and Ticker or Trading Symbol
Itau Unibanco Holding S.A. [ ITUB ]

3a. Foreign Trading Symbol
[ITUB4]

5. If Amendment, Date of Original Filed (Month/Day/Year)

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Preferred shares (ITUB4)	200,298	D
Common shares (ITUB3)	93,710	D
Common shares (ITUB3)	5,107,553,780	I	By Corporation(1)
Preferred shares (ITUB4)	191,842	I	By Corporation(2)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. The reporting person holds these shares indirectly through an indirect controlling shareholder of the issuer which the reporting person controls. The reporting person disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of all of the reported shares for purposes of Section 16 or for any other purpose.

2. The reporting person holds these shares indirectly through an indirect controlling shareholder of the issuer which the reporting person controls. The reporting person disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of all of the reported shares for purposes of Section 16 or for any other purpose.

	Ricardo Villela Marino	03/18/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 3: SEC 1473 (03-26)

FAQ

What does the new Form 3 filing show for Itau Unibanco (ITUB)?

The Form 3 shows director Ricardo Villela Marino’s existing ownership in Itau Unibanco. It lists his direct holdings in common and preferred shares, plus large indirect positions held through a corporation he controls, establishing his baseline stake under Section 16 reporting rules.

How many Itau Unibanco (ITUB) shares does Ricardo Villela Marino hold directly?

Ricardo Villela Marino directly holds 200,298 preferred shares (ITUB4) and 93,710 common shares (ITUB3). These figures represent his personal, direct ownership interests reported as of the Form 3 filing date for Itau Unibanco Holding S.A.

What indirect Itau Unibanco (ITUB) holdings are reported for Ricardo Villela Marino?

The filing reports indirect holdings through a corporation that is an indirect controlling shareholder of Itau Unibanco. These positions include 5,107,553,780 common shares (ITUB3) and 191,842 preferred shares (ITUB4), attributed to that entity rather than personal direct ownership.

Does Ricardo Villela Marino claim full beneficial ownership of all reported ITUB shares?

No. For the indirect holdings, he disclaims beneficial ownership except to the extent of his pecuniary interest. The footnotes clarify that including these shares does not constitute an admission of full beneficial ownership for Section 16 or any other purpose.

Are there any buy or sell transactions in this Itau Unibanco (ITUB) Form 3?

No new buy or sell transactions are reported. The Form 3 functions as an initial statement of beneficial ownership, listing existing direct and indirect common and preferred share positions rather than recording recent trading activity in Itau Unibanco stock.