Santander Brasil (BSBR) VP reports 30,289 SANB11 units in Form 3

Rhea-AI Filing Summary

Banco Santander (Brasil) S.A. executive Carlos Diaz Alvarez filed an initial ownership statement showing his direct holdings in the company. As of March 20, 2026, he reports owning 30,289 units of UNIT - SANB11 directly. This filing does not report any new purchase or sale, only his existing position.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Alvarez Carlos Diaz

Role VP Exec Officer

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

Holdings After Transaction: UNIT - SANB11 — 30,289 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^*

Alvarez Carlos Diaz

(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)
	VP Exec Officer

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	30,289	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 Diaz Alvarez	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 Banco Santander (Brasil) S.A. (BSBR) Form 3 show?

The Form 3 shows VP Executive Officer Carlos Diaz Alvarez’s existing holdings. He reports direct ownership of 30,289 UNIT - SANB11 units as of March 20, 2026, establishing his baseline position as an insider without indicating any recent trade activity.

How many Banco Santander (Brasil) SANB11 units does Carlos Diaz Alvarez own?

Carlos Diaz Alvarez reports owning 30,289 UNIT - SANB11 units directly. This figure represents his disclosed beneficial ownership as of March 20, 2026, and is recorded in his initial insider ownership statement filed on Form 3 with the U.S. securities regulator.

Is the BSBR Form 3 a buy or sell transaction by the insider?

The BSBR Form 3 does not show a buy or sell transaction. It is an initial ownership filing listing Carlos Diaz Alvarez’s existing 30,289 UNIT - SANB11 units, serving as a baseline disclosure of his position rather than reporting new trading activity.

What role does Carlos Diaz Alvarez hold at Banco Santander (Brasil) S.A.?

Carlos Diaz Alvarez is identified as a VP Executive Officer at Banco Santander (Brasil) S.A. In this capacity, his Form 3 disclosure of 30,289 UNIT - SANB11 units provides transparency about his direct equity stake as a company officer and reporting insider.

Does the Banco Santander (Brasil) Form 3 indicate indirect or derivative holdings?

The Form 3 excerpt shows only direct ownership of 30,289 UNIT - SANB11 units for Carlos Diaz Alvarez. It lists no derivative securities and no indirect holdings, so the disclosed position consists solely of directly held units in the company.