Santander Brasil CEO trades 36,500 BSBR units

Banco Santander (Brasil) S.A.

Rhea-AI Filing Summary

Banco Santander (Brasil) S.A. CEO Mario Roberto Opice Leao reported offsetting trades in the company’s UNIT - SANB11 securities. On June 2, 2026, an entity he wholly owns, SANTANDER PB ROMA III MULTIMERCADO CREDITO PRIVADO, executed an open-market purchase of 36,500 units at $5.49 each.

On the same date, he executed a direct open-market sale of 36,500 units at $5.49 per unit. The filing shows his direct holdings at 622,288 units following the sale, while the indirect holdings are held through the investment fund he controls. The filing’s transaction summary characterizes the net share activity as neutral.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Leao Mario Roberto Opice

Role CEO

Bought 36,500 shs ($200K)

Sold 36,500 shs ($200K)

Type	Security	Shares	Price	Value
Sale	UNIT - SANB11	36,500	$5.49	$200K
Purchase	UNIT - SANB11	36,500	$5.49	$200K

Holdings After Transaction: UNIT - SANB11 — 622,288 shares (Direct); UNIT - SANB11 — 36,500 shares (Indirect, SANTANDER PB ROMA III MULTIMERCADO CREDITO PRIVADO)

Footnotes (2)

1. F1. Equivalent to R$27.52 per share. Amounts presented were converted into U.S. dollars at the exchange rate of R$ 5.0154 per U.S.$1.00 as reported by Brazilian Central Bank on June 02, 2026.
2. F2. Held indirectly by SANTANDER PB ROMA III MULTIMERCADO CREDITO PRIVADO - FUNDO DE INVESTIMENTO FINANCEIRO, which is wholly owned and controlled by Mr. Leao.

Key Figures

Open-market purchase: 36,500 units at $5.49 Open-market sale: 36,500 units at $5.49 Direct holdings after transactions: 622,288 units +3 more

6 metrics

Open-market purchase 36,500 units at $5.49 UNIT - SANB11 bought indirectly on June 2, 2026

Open-market sale 36,500 units at $5.49 UNIT - SANB11 sold directly on June 2, 2026

Direct holdings after transactions 622,288 units Direct UNIT - SANB11 position following June 2, 2026 sale

Share price in BRL R$27.52 per share Equivalent price, converted using R$5.0154 per U.S.$1.00

FX rate used R$5.0154 per U.S.$1.00 Brazilian Central Bank rate on June 2, 2026

Net buy/sell shares 0 units Transaction summary netBuySellShares across reported trades

Key Terms

open-market purchase, open-market sale, indirect ownership, FUNDO DE INVESTIMENTO FINANCEIRO

4 terms

open-market purchase financial

"executed an open-market purchase of 36,500 units at $5.49 each"

An open-market purchase is when an investor or a company buys shares on a public stock exchange at the going market price, rather than through a private deal. It matters to investors because these purchases change how many shares are available, can push the stock price up or signal confidence from large buyers, and often affect per-share metrics like earnings—think of it like someone buying lots of apples off a grocery shelf, reducing supply and potentially raising the price.

open-market sale financial

"executed a direct open-market sale of 36,500 units at $5.49 per unit"

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.

indirect ownership financial

"Held indirectly by SANTANDER PB ROMA III MULTIMERCADO CREDITO PRIVADO"

FUNDO DE INVESTIMENTO FINANCEIRO financial

"MULTIMERCADO CREDITO PRIVADO - FUNDO DE INVESTIMENTO FINANCEIRO"

FAQ

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

What insider transactions did BSBR CEO Mario Leao report?

The CEO reported one open-market purchase and one open-market sale of Banco Santander (Brasil) UNIT - SANB11 on June 2, 2026. Each transaction involved 36,500 units at $5.49 per unit, resulting in neutral net share activity according to the filing’s transaction summary.

How many BSBR units did the CEO buy and sell in this Form 4?

The filing shows the CEO associated with buying 36,500 UNIT - SANB11 and selling 36,500 UNIT - SANB11. Both trades occurred on June 2, 2026, at $5.49 per unit, leaving the net number of shares traded neutral in the transaction summary.

What are Mario Leao’s BSBR holdings after these transactions?

After the reported sale, the CEO’s direct holdings are 622,288 UNIT - SANB11. The filing also notes additional indirect holdings through SANTANDER PB ROMA III MULTIMERCADO CREDITO PRIVADO, an investment fund wholly owned and controlled by him, which holds units separately from his direct stake.

How were the indirect BSBR shares held for the CEO in this filing?

The indirect holdings are held by SANTANDER PB ROMA III MULTIMERCADO CREDITO PRIVADO, described as a financial investment fund wholly owned and controlled by Mario Leao. This entity executed the 36,500-unit open-market purchase, giving him indirect exposure through the fund structure.

At what price did the BSBR insider transactions occur?

Both the open-market purchase and open-market sale of UNIT - SANB11 were executed at $5.49 per unit. A footnote explains this is equivalent to R$27.52 per share, using an exchange rate of R$5.0154 per U.S.$1.00 reported by the Brazilian Central Bank.

Does this BSBR Form 4 indicate net insider buying or selling?

The filing indicates neutral net activity. The CEO-related entities bought 36,500 units and sold 36,500 units of UNIT - SANB11. The transaction summary lists netBuySellShares as zero, meaning the purchases and sales offset each other during the reported transactions.

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

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Accepted by SEC EDGAR 06/03/2026 - 05:13 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^*

Leao Mario Roberto Opice

(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)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	CEO

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/02/2026

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	06/02/2026	06/02/2026	S		36,500	D	$5.49(1)	622,288	D
UNIT - SANB11	06/02/2026	06/02/2026	P		36,500	A	$5.49(1)	36,500	I	SANTANDER PB ROMA III MULTIMERCADO CREDITO PRIVADO(2)

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$27.52 per share. Amounts presented were converted into U.S. dollars at the exchange rate of R$ 5.0154 per U.S.$1.00 as reported by Brazilian Central Bank on June 02, 2026.

2. Held indirectly by SANTANDER PB ROMA III MULTIMERCADO CREDITO PRIVADO - FUNDO DE INVESTIMENTO FINANCEIRO, which is wholly owned and controlled by Mr. Leao.

	/s/ Mario Roberto Opice Leao	06/02/2026
	** 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)