[Form 4] Banco Santander (Brasil) S.A. Insider Trading Activity

Banco Santander (Brasil) S.A. officer Araujo Alexandre Teixeira de executed an open-market sale of 20,156 Units (SANB11) of the company on March 24, 2026 at $5.94 per unit.

Rhea-AI Filing Summary

Banco Santander (Brasil) S.A. officer Araujo Alexandre Teixeira de executed an open-market sale of 20,156 Units (SANB11) of the company on March 24, 2026 at $5.94 per unit. After this transaction, he directly holds 18,071 units.

A footnote explains that the price is equivalent to R$29.85 per share, using an exchange rate of R$5.0238 per U.S.$1.00 as reported by the Brazilian Central Bank on April 13, 2026. No derivative positions are reported in this filing, so the visible activity is limited to this single common equity sale.

Insider Trade Summary

Net Seller: 20,156 shares

Net Sell 1 txn

Insider Araujo Alexandre Teixeira de

Role Officer w/o Specific Desig

Sold 20,156 shs ($120K)

Type	Security	Shares	Price	Value
Sale	Unit - SANB11	20,156	$5.94	$120K

Holdings After Transaction: Unit - SANB11 — 18,071 shares (Direct)

Footnotes (1)

1. F1. Equivalent to R$29.85 per share. Amounts presented were converted into U.S. dollars at the exchange rate of R$ 5.0238 per U.S.$1.00 as reported by Brazilian Central Bank on April 13, 2026.

Key Figures

Units sold: 20,156 units Sale price per unit: $5.94 per unit Holdings after transaction: 18,071 units +2 more

5 metrics

Units sold 20,156 units Open-market sale on March 24, 2026

Sale price per unit $5.94 per unit Average price for Unit - SANB11

Holdings after transaction 18,071 units Direct ownership after sale

Local currency equivalent R$29.85 per share Converted from US dollar sale price

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

Key Terms

open-market sale, Unit - SANB11, exchange rate, non-derivative

4 terms

open-market sale financial

"transaction_action": "open-market sale"

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"

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.

non-derivative financial

"transaction_type": "non-derivative"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did the Banco Santander Brasil (BSBR) officer do in this Form 4?

The officer sold 20,156 Units (SANB11) of Banco Santander (Brasil) S.A. in an open-market transaction. This reduced his direct holdings to 18,071 units, with no derivative securities reported in this filing as remaining positions.

At what price were the BSBR units sold in this insider transaction?

The units were sold at an average price of $5.94 per Unit (SANB11). A footnote equates this to R$29.85 per share, using an exchange rate of R$5.0238 per U.S.$1.00 reported by the Brazilian Central Bank on April 13, 2026.

How many Banco Santander Brasil units does the insider hold after the sale?

Following the sale, the reporting officer directly holds 18,071 Units (SANB11) of Banco Santander (Brasil) S.A. This figure reflects his position after disposing of 20,156 units in the reported open-market transaction on March 24, 2026.

Does this BSBR Form 4 include any option or derivative exercises?

No, this Form 4 only reports a sale of non-derivative Units (SANB11). The derivativeSummary section is empty, indicating there were no option exercises, warrant conversions, or other derivative transactions disclosed in connection with this insider activity.

How was the local currency value calculated in this BSBR insider sale?

A footnote states the sale price is equivalent to R$29.85 per share, based on an exchange rate of R$5.0238 per U.S.$1.00. This rate was reported by the Brazilian Central Bank on April 13, 2026 and used for the currency conversion.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 04/16/2026 - 06:23 PM EDT Learn about SEC filing dates

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^*

Araujo Alexandre Teixeira de

(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)
03/24/2026

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	03/24/2026		S		20,156	D	$5.94(1)	18,071	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$29.85 per share. Amounts presented were converted into U.S. dollars at the exchange rate of R$ 5.0238 per U.S.$1.00 as reported by Brazilian Central Bank on April 13, 2026.

	/s/ Alexandre Teixeira De Araujo	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)