Banco Santander (Brasil) (NYSE: BSBR) officer reports initial SANB11, SANB3, SANB4 holdings

Rhea-AI Filing Summary

Banco Santander (Brasil) S.A. officer Claudia Chaves Sampaio filed an initial ownership report showing her equity holdings in the bank. She directly holds 24,215 units of SANB11, 259 ordinary shares of SANB3, and 260 preferred shares of SANB4 as of the reported date, with no buy or sell transactions indicated.

Insider Trade Summary

3 transactions reported

Mixed 3 txns

Insider Sampaio Claudia Chaves

Role Officer w/o Specific Desig

Type	Security	Shares	Price	Value
holding	UNIT - SANB11	--	--	--
holding	Ordinary Shares - SANB3	--	--	--
holding	Preferred Shares - SANB4	--	--	--

Holdings After Transaction: UNIT - SANB11 — 24,215 shares (Direct); Ordinary Shares - SANB3 — 259 shares (Direct); Preferred Shares - SANB4 — 260 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

OMB APPROVAL

OMB Number:			3235-0104
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hours per response:			0.5

1. Name and Address of Reporting Person^*

Sampaio Claudia Chaves

(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	24,215	D
Ordinary Shares - SANB3	259	D
Preferred Shares - SANB4	260	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/ Claudia Chaves Sampaio	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)

FAQ

What does the Form 3 filing by Claudia Chaves Sampaio at BSBR show?

The Form 3 shows Claudia Chaves Sampaio’s existing equity holdings in Banco Santander (Brasil) S.A. It lists her direct ownership in SANB11 units, SANB3 ordinary shares, and SANB4 preferred shares as of the report date, without disclosing any recent transactions.

How many SANB11 units does Claudia Chaves Sampaio hold at Banco Santander (Brasil) S.A.?

She directly holds 24,215 units of SANB11 in Banco Santander (Brasil) S.A. This figure reflects her total direct position in these units after the reported event, serving as a baseline for any future changes in ownership.

What ordinary and preferred BSBR shares does Claudia Chaves Sampaio own?

She holds 259 ordinary shares of SANB3 and 260 preferred shares of SANB4 in Banco Santander (Brasil) S.A. These positions are reported as direct ownership and provide transparency into her stake across different share classes.

Does the BSBR Form 3 for Claudia Chaves Sampaio report any recent insider buy or sell transactions?

No, the Form 3 does not report any recent insider buy or sell transactions. It functions as an initial ownership statement, disclosing her existing holdings in SANB11 units, SANB3 ordinary shares, and SANB4 preferred shares at Banco Santander (Brasil) S.A.

What is the purpose of Claudia Chaves Sampaio’s Form 3 filing for Banco Santander (Brasil) S.A.?

The filing serves to disclose her initial beneficial ownership as a company officer. It provides regulators and investors with a clear record of her direct holdings in various Banco Santander (Brasil) S.A. securities at the time she became a reporting insider.