Officer at Santander Brasil (NYSE: BSBR) sells 36,721 units

Rhea-AI Filing Summary

Banco Santander (Brasil) S.A. officer Jean Paulo Kambourakis reported an open-market sale of the company’s units. On March 19, 2026, he sold 36,721 "Unit - SANB11" securities at $5.89 per unit. Following the transaction, he directly holds 31,623 units.

Insider Trade Summary

Net Seller: 36,721 shares ($216,287)

Net Sell 1 txn

Insider Kambourakis Jean Paulo

Role Officer w/o Specific Desig

Sold 36,721 shs ($216K)

Type	Security	Shares	Price	Value
Sale	Unit - SANB11	36,721	$5.89	$216K

Holdings After Transaction: Unit - SANB11 — 31,623 shares (Direct)

Footnotes (1)

1. [object Object]

Key Figures

Units sold: 36,721 units Sale price per unit: $5.89 per unit Units held after sale: 31,623 units +2 more

5 metrics

Units sold 36,721 units Open-market sale of "Unit - SANB11" on March 19, 2026

Sale price per unit $5.89 per unit Reported transaction price for the March 19, 2026 sale

Units held after sale 31,623 units Direct holdings following the reported transaction

Local currency equivalent R$29.61 per share Footnote local-currency equivalent of the sale price

FX rate used R$5.0238 per US$1.00 Brazilian Central Bank rate on April 13, 2026 used in footnote

Key Terms

open-market sale, Unit - SANB11, transaction code "S", exchange rate

4 terms

open-market sale financial

"Sale in open market or private transaction"

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

Unit - SANB11 financial

"security_title: "Unit - SANB11""

transaction code "S" financial

"transaction_code: "S""

exchange rate financial

"exchange rate of R$ 5.0238 per U.S.$1.00"

Exchange rate is the price of one currency expressed in another—for example, how many euros you receive for one US dollar. It matters to investors because changes in that price alter the reported profits, costs and value of assets for companies and portfolios that operate or hold money across borders; think of it like switching measurement units, where the same item can look bigger or smaller depending on the unit used.

Form 4 Insider Transactions: What Each Field Means →

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
Estimated average burden
hours per response:			0.5

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^*

Kambourakis Jean Paulo

(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)
03/19/2026

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	03/19/2026		S		36,721	D	$5.89(1)	31,623	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$29.61 per share. Amounts presented were converted into U.S. dollars at the exchange rate of R$ 5.0238 per U.S.$1.00 as reported by Brazilian Central Bank on April 13, 2026.

	/s/ Jean Paulo Kambourakis	04/14/2026
	** 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 BSBR officer Jean Paulo Kambourakis report?

He reported an open-market sale of Banco Santander (Brasil) S.A. units. On March 19, 2026, he sold 36,721 "Unit - SANB11" securities at $5.89 per unit, as disclosed in the Form 4 insider filing.

How many Banco Santander (Brasil) BSBR units did the insider sell and at what price?

The insider sold 36,721 units of "Unit - SANB11". The reported transaction price was $5.89 per unit, representing a straightforward open-market sale as described in the Form 4 transaction details.

What are Jean Paulo Kambourakis’s holdings in BSBR units after this sale?

After the sale, he directly holds 31,623 units of "Unit - SANB11". This post-transaction balance is reported in the Form 4 as the total number of units beneficially owned following the transaction.

How is the BSBR insider sale price translated into Brazilian reais?

A footnote states the sale price is equivalent to R$29.61 per share. The amounts were converted using an exchange rate of R$5.0238 per US$1.00 reported by the Brazilian Central Bank on April 13, 2026.

Was the BSBR insider transaction a market purchase or sale?

The filing describes it as an open-market sale. The transaction code is "S" and the narrative specifies a sale in open market or private transaction, confirming it reduced his direct holdings of "Unit - SANB11".