Santander Brasil (NYSE: BSBR) officer sells 31,285 units in Form 4

Rhea-AI Filing Summary

Banco Santander (Brasil) S.A. officer Rafael Abujamra Kappaz reported an open-market sale of 31,285 SANB11 units on March 18, 2026 at $5.76 per unit, equivalent to R$30.00 based on the stated exchange rate.

After this transaction, he directly holds 35,049 units.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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:			3235-0287
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Kappaz Rafael Abujamra

(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. Issuer Name and Ticker or Trading Symbol
Banco Santander (Brasil) S.A. [ BSBR ]

5. 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

2a. Foreign Trading Symbol
[UNIT - SANB11]

3. Date of Earliest Transaction (Month/Day/Year)
03/18/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Unit - SANB11	03/18/2026		S		31,285	D	$5.76(1)	35,049	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Equivalent to R$30.00 per share. Amounts presented were converted into U.S. dollars at the exchange rate of R$ 5.2106 per U.S.$1.00 as reported by Brazilian Central Bank on March 18, 2026.

	/s/ Rafael Abujamra Kappaz	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 4 (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 4: SEC 1474 (03-26)

FAQ

What insider transaction did Banco Santander (Brasil) BSBR report for Rafael Abujamra Kappaz?

Rafael Abujamra Kappaz reported an open-market sale of 31,285 SANB11 units. The transaction occurred on March 18, 2026, and was executed at a price of $5.76 per unit according to the Form 4 disclosure.

At what price were the Banco Santander (Brasil) BSBR units sold in this Form 4?

The SANB11 units were sold at $5.76 per unit. A footnote states this equals R$30.00 per unit, using an exchange rate of R$5.2106 per US$1.00 reported by the Brazilian Central Bank on March 18, 2026.

How many Banco Santander (Brasil) BSBR units did the insider sell and how many remain?

Rafael Abujamra Kappaz sold 31,285 SANB11 units and now directly holds 35,049 units. This post-transaction balance reflects his remaining direct ownership reported in the Form 4 filing for March 18, 2026.

What type of transaction is disclosed in the Banco Santander (Brasil) BSBR Form 4?

The filing discloses an open-market sale of SANB11 units, coded as “S.” This indicates a sale in the open market or a private transaction, rather than an option exercise, gift, or tax-withholding event.

Does the Banco Santander (Brasil) BSBR Form 4 show any derivative positions for the insider?

The Form 4 summary shows no derivative transactions or remaining derivative positions. The disclosed activity relates only to non-derivative SANB11 units, with derivativeSummary and exercise-related fields reported as empty.

Who is the insider involved in the Banco Santander (Brasil) BSBR Form 4 transaction and what is his role?

The insider is Rafael Abujamra Kappaz, listed as an officer without specific designation. He is not identified as a director or ten-percent owner, and the reported holdings are described as directly owned units.