Itau Unibanco (ITUB) director discloses 182,417 preferred ITUB4 shares

Rhea-AI Filing Summary

Itau Unibanco Holding S.A. director Santana Maria Helena dos Santos Fernandes de filed an initial ownership report on preferred shares ITUB4. The filing shows direct ownership of 182,417 preferred shares following the reported position, with no buy or sell transactions indicated.

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^*

Santana Maria Helena dos Santos Fernandes de

(Last) (First) (Middle)

ESTRADA GIUSEPPINA VIANELLI NAPOLI 1455

GLOBALTECH

(Street)

CAMPINAS CAMPINAS 13086 -530

(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)	182,417	D

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:

	Maria Helena dos Santos Fernandes de Santana	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 Form 3 filing for ITUB by Santana Maria Helena show?

The Form 3 filing reports initial ownership of Itau Unibanco preferred shares. It shows Santana Maria Helena directly holding 182,417 ITUB4 preferred shares, establishing her starting position as a director without disclosing any recent purchase or sale activity.

How many Itau Unibanco (ITUB) preferred shares does Santana Maria Helena hold?

The filing shows direct ownership of 182,417 preferred shares (ITUB4). This number represents the total preferred shares reported as owned following the position described, and is not tied to a specific buy or sell transaction in this document.

Is the ITUB Form 3 a report of insider buying or selling?

No, this Form 3 is not a buy or sell report. It is an initial ownership statement that lists 182,417 preferred shares of Itau Unibanco held directly, without identifying any purchase, sale, or derivative exercise activity in the disclosed data.

What role does Santana Maria Helena have at Itau Unibanco (ITUB)?

The filing identifies Santana Maria Helena as a director of Itau Unibanco Holding S.A. As a director, she must report her share ownership, and this Form 3 establishes her disclosed holdings in the company’s preferred shares ITUB4.

Does the ITUB Form 3 include any derivative securities or options?

No derivative securities are listed in this Form 3. The derivative section is empty, and the filing only reports direct ownership of 182,417 preferred shares (ITUB4), with no options, warrants, or other derivative positions disclosed in the data provided.