BSBR officer discloses 53,137 units on Form 3

Banco Santander (Brasil) S.A. officer Celso Mateus De Queiroz filed an initial ownership report on Form 3.

Accepted by SEC EDGAR 03/20/2026 - 04:56 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

Banco Santander (Brasil) S.A. officer Celso Mateus De Queiroz filed an initial ownership report on Form 3. The filing shows he directly holds 53,137 units of UNIT - SANB11. This is a disclosure of existing holdings and does not report any share purchases or sales.

Insider Trade Summary

Holdings reported, no transactions

Holdings

Insider Queiroz Celso Mateus De

Role Officer w/o Specific Desig

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

Holdings: UNIT - SANB11 — 53,137 shares (Direct)

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does the Form 3 filing by Celso Mateus De Queiroz at BSBR show?

The Form 3 shows officer Celso Mateus De Queiroz’s initial ownership in Banco Santander (Brasil) S.A. It reports direct holdings of 53,137 UNIT - SANB11 units and serves as a baseline disclosure of his position as an insider.

Did the BSBR Form 3 report any insider buying or selling activity?

No, the Form 3 does not report any insider buying or selling. It lists one holding entry, with buyCount and sellCount at zero, indicating only an ownership position of 53,137 UNIT - SANB11 units and no transactions on the reported date.

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

The reporting officer holds 53,137 UNIT - SANB11 units following the reported position. This figure represents his direct ownership as disclosed in the filing, providing investors with transparency about his stake in Banco Santander (Brasil) S.A.

What is the role of the reporting person in the BSBR Form 3?

The reporting person, Celso Mateus De Queiroz, is an officer of Banco Santander (Brasil) S.A., identified as an “Officer w/o Specific Desig.” The Form 3 links his executive status with disclosure of his 53,137 UNIT - SANB11 holdings.

Is the ownership in BSBR held directly or indirectly by the insider?

The ownership is reported as direct, indicated by the “D” ownership code and direct_or_indirect flag. This means the 53,137 UNIT - SANB11 units are held in his own name rather than through a trust, partnership, or other entity.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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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^*

Queiroz Celso Mateus De

(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)
03/20/2026

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	53,137	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/ Celso Mateus De Queiroz	03/20/2026
	** 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)