Santander Brasil (BSBR) officer discloses 26,103 UNIT - SANB11 holdings

Rhea-AI Filing Summary

Banco Santander (Brasil) S.A. officer Ishii Michele Soares filed an initial ownership report showing a direct holding in the company’s UNIT - SANB11 securities. The filing reports ownership of 26,103 units following the reported holdings entry, with no specific purchase or sale transaction disclosed.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Ishii Michele Soares

Role Officer w/o Specific Desig

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

Holdings After Transaction: UNIT - SANB11 — 26,103 shares (Direct)

Footnotes (1)

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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^*

Ishii Michele Soares

(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	26,103	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/ Michele Soares Ishii	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 Ishii Michele Soares report owning in BSBR on this Form 3?

The filing shows that officer Ishii Michele Soares directly holds 26,103 UNIT - SANB11 securities of Banco Santander (Brasil) S.A. This is an initial ownership statement, not a report of a new trade or change in position.

Is the Banco Santander (Brasil) S.A. Form 3 for BSBR a buy or sell transaction?

This Form 3 for BSBR is not a buy or sell report. It records existing holdings of 26,103 UNIT - SANB11 securities, with the transaction direction marked as unknown and no purchase or sale code identified.

How many BSBR UNIT - SANB11 securities does the reporting officer hold?

The officer reports direct ownership of 26,103 UNIT - SANB11 securities following the reported entry. This figure represents the total units held directly, as disclosed in the Form 3, rather than a quantity newly bought or sold.

Does the BSBR Form 3 show any derivative or option positions?

No derivative or option positions are listed for this BSBR Form 3. The derivative summary is empty, indicating no unexercised options, warrants, or other derivative securities are disclosed for the reporting person in this particular filing.

What role does the reporting person hold at Banco Santander (Brasil) S.A.?

The reporting person, Ishii Michele Soares, is identified as an officer without specific designation at Banco Santander (Brasil) S.A. This status requires disclosure of their equity holdings in the issuer through Forms 3, 4, and 5.