Banco Santander Brasil (BSBR) officer discloses holding of 34,800 UNIT - SANB11

Rhea-AI Filing Summary

Banco Santander (Brasil) S.A. officer Neto Carlos Aguiar has filed an initial insider ownership report. The Form 3 shows direct ownership of 34,800 units of the company’s UNIT - SANB11 security. This filing records his existing stake and does not report any recent purchases or sales.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Neto Carlos Aguiar

Role Officer w/o Specific Desig

Type	Security	Shares	Price	Value
holding	UNIT - SANB11	--	--	--

Holdings After Transaction: UNIT - SANB11 — 34,800 shares (Direct)

Footnotes (1)

Understanding Insider Trading Forms →

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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OMB Number:			3235-0104
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1. Name and Address of Reporting Person^*

Neto Carlos Aguiar

(Last) (First) (Middle)

AV PRESIDENTE JUSCELINO KUBITSCHEK, 2041

CJ 281, BLOCO A, COND. WTORRE JK

(Street)

SAO PAULO SAO PAULO 04543-011

(City) (State) (Zip)

BRAZIL

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
03/19/2026

3. Issuer Name and Ticker or Trading Symbol
Banco Santander (Brasil) S.A. [ BSBR ]

3a. Foreign Trading Symbol

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)
	Officer w/o Specific Desig

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)
UNIT - SANB11	34,800	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:

	/s/ Carlos Aguiar Neto	03/19/2026
	** 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 BSBR Form 3 filed by Neto Carlos Aguiar show?

The Form 3 shows that officer Neto Carlos Aguiar directly owns 34,800 units of UNIT - SANB11 of Banco Santander (Brasil) S.A. It is an initial ownership statement rather than a report of a new transaction.

Did Neto Carlos Aguiar buy or sell BSBR shares in this Form 3?

No buy or sell transactions are reported. The filing classifies the entry as a holding, with transaction direction marked as unknown, and simply records 34,800 UNIT - SANB11 held directly after the reported date.

How many Banco Santander (Brasil) UNIT - SANB11 units does the insider hold?

The insider, officer Neto Carlos Aguiar, is shown as directly holding 34,800 units of UNIT - SANB11. This figure is listed as the total number of units owned following the reported holding entry in the Form 3.

What is the role of Neto Carlos Aguiar at Banco Santander (Brasil) S.A.?

Neto Carlos Aguiar is identified as an officer of Banco Santander (Brasil) S.A., categorized as an Officer w/o Specific Desig. The Form 3 links this role to his reported direct ownership of UNIT - SANB11 units.

Does the Form 3 for BSBR include any derivative securities for the insider?

No derivative securities are listed for this insider. The derivativeSummary section is empty, and the only reported position is a direct holding of 34,800 units of the company’s UNIT - SANB11 security.