Itau Unibanco (NYSE: ITUB) officer reports 1,514,861 preferred shares

Rhea-AI Filing Summary

Itau Unibanco Holding S.A. filed an initial ownership report for officer Rossi Constantini Carlos Fernando, identified as a WMS Officer. The filing shows he directly holds 1,514,861 preferred shares (ITUB4) as of the reported date. This Form 3 records existing holdings and does not disclose any recent share purchases or sales.

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^*

Rossi Constantini Carlos Fernando

(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)

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

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)	1,514,861	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:

	Carlos Fernando Rossi Constantini	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 Itau Unibanco (ITUB) Form 3 filing show for Rossi Constantini Carlos Fernando?

The Form 3 shows that WMS Officer Rossi Constantini Carlos Fernando directly holds 1,514,861 preferred shares (ITUB4). This is an initial statement of beneficial ownership, documenting his existing position rather than reporting a new transaction or trade in the shares.

How many Itau Unibanco (ITUB) preferred shares does the WMS Officer report owning?

The WMS Officer reports direct ownership of 1,514,861 preferred shares (ITUB4). This figure is listed as the total shares held following the reported event, reflecting his beneficial ownership at that time rather than indicating a newly completed purchase or sale.

Is the Itau Unibanco (ITUB) Form 3 a buy or sell transaction by the WMS Officer?

The Form 3 does not report a buy or sell transaction. It is categorized as a holding entry with an unknown transaction code, meaning it records existing beneficial ownership of preferred shares rather than describing a new market trade or derivative exercise.

What type of security is reported in the Itau Unibanco (ITUB) Form 3 for the WMS Officer?

The filing reports ownership of preferred shares (ITUB4) of Itau Unibanco Holding S.A. These shares are held directly, and the total position after the reported event is 1,514,861 shares, according to the ownership table in the disclosure.

Is the WMS Officer’s ownership in Itau Unibanco (ITUB) direct or indirect in this Form 3?

The Form 3 classifies the WMS Officer’s stake as direct ownership, using the code "D" for the 1,514,861 preferred shares (ITUB4). No indirect holdings through entities or trusts are listed in the provided data, and no footnotes change this characterization.

Does the Itau Unibanco (ITUB) Form 3 mention any derivative securities for the WMS Officer?

The disclosure shows no derivative positions for the WMS Officer in the derivative section. The derivativeSummary is empty, indicating that only common-equity preferred shares (ITUB4) are reported as beneficially owned in this specific filing excerpt.