Banco Santander Brasil (BSBR) officer lists 82,223 units in initial Form 3

Rhea-AI Filing Summary

Banco Santander (Brasil) S.A. executive Santos Gustavo de Sousa filed an initial ownership report showing a direct stake in the company. The Form 3 indicates beneficial ownership of 82,223 UNIT - SANB11, held directly, and functions as a baseline disclosure of his equity position rather than a new transaction.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Santos Gustavo de Sousa

Role Officer w/o Specific Desig

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

Holdings After Transaction: UNIT - SANB11 — 82,223 shares (Direct)

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Accepted by SEC EDGAR 03/19/2026 - 08:24 PM Learn about SEC filing dates

FAQ

What does the Banco Santander (Brasil) BSBR Form 3 filing disclose?

The Form 3 discloses that executive Santos Gustavo de Sousa beneficially owns 82,223 UNIT - SANB11 of Banco Santander (Brasil) S.A., held directly. This establishes a baseline record of his equity holdings as an insider for future regulatory reporting.

Did Santos Gustavo de Sousa buy or sell BSBR securities in this Form 3?

The Form 3 does not report a new purchase or sale. It is an initial ownership statement listing 82,223 UNIT - SANB11 held directly, providing regulators and investors a starting point for tracking any future transactions by this insider.

How many Banco Santander (Brasil) BSBR units does the reporting person hold?

Santos Gustavo de Sousa is reported as holding 82,223 UNIT - SANB11 of Banco Santander (Brasil) S.A. These units are listed as directly owned, reflecting his beneficial interest as of the Form 3’s reporting date without indicating a recent trade.

What is the role of Santos Gustavo de Sousa at Banco Santander (Brasil) BSBR?

Santos Gustavo de Sousa is identified as an officer of Banco Santander (Brasil) S.A., categorized as an “Officer w/o Specific Desig.” His Form 3 filing connects this officer role with declared beneficial ownership of 82,223 UNIT - SANB11 in the company.

Why is this BSBR Form 3 important for investors?

This Form 3 is important because it creates an official record that a Banco Santander (Brasil) officer holds 82,223 UNIT - SANB11 directly. Future Form 4 or Form 5 filings can then be compared against this baseline to track any changes in his ownership.

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

OMB APPROVAL

OMB Number:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Santos Gustavo de Sousa

(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	82,223	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/ Gustavo de Sousa Santos	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)