Santander Brasil CEO nets out 276,851-unit trade

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. He executed an open‑market purchase of 276,851 units at $5.38 per unit through his wholly owned fund SANTANDER PB ROMA III MULTIMERCADO CREDITO PRIVADO.

On the same date, he executed an open‑market sale of 276,851 units at $5.38 per unit from his direct holdings. After these trades, he holds 122,037 units directly and 536,751 units indirectly through the fund, so the filing shows a large but economically net‑neutral repositioning between direct and indirect ownership.

Insights

Equity ownership & governance analyst

CEO’s matched buy and sell trades net to a position reshuffle.

The CEO of Banco Santander (Brasil) S.A. reported an open‑market purchase of 276,851 UNIT - SANB11 securities at $5.38 per unit through a wholly owned fund and an equal‑sized open‑market sale at the same price from direct holdings.

This keeps his overall economic exposure broadly unchanged while shifting a significant block from direct to indirect ownership. With 122,037 units remaining directly and 536,751 units indirectly held, the activity appears as a sizable but net‑neutral reallocation rather than a directional bet.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Leao Mario Roberto Opice

Role CEO

Bought 276,851 shs ($1.49M)

Sold 276,851 shs ($1.49M)

Type	Security	Shares	Price	Value
Sale	UNIT - SANB11	276,851	$5.38	$1.49M
Purchase	UNIT - SANB11	276,851	$5.38	$1.49M

Holdings After Transaction: UNIT - SANB11 — 122,037 shares (Direct); UNIT - SANB11 — 536,751 shares (Indirect, SANTANDER PB ROMA III MULTIMERCADO CREDITO PRIVADO)

Footnotes (2)

1. F1. Equivalent to R$27.13 per share. Amounts presented were converted into U.S. dollars at the exchange rate of R$ 5.0424 per U.S.$1.00 as reported by Brazilian Central Bank on June 15, 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 size: 276,851 units Open-market purchase price: $5.38 per unit Open-market sale size: 276,851 units +4 more

7 metrics

Open-market purchase size 276,851 units UNIT - SANB11 bought indirectly

Open-market purchase price $5.38 per unit Purchase of UNIT - SANB11

Open-market sale size 276,851 units UNIT - SANB11 sold from direct holdings

Open-market sale price $5.38 per unit Sale of UNIT - SANB11

Direct holdings after trade 122,037 units UNIT - SANB11 held directly by CEO

Indirect holdings after trade 536,751 units UNIT - SANB11 held via SANTANDER PB ROMA III fund

BRL equivalent price R$27.13 per share Converted using R$5.0424 per US$1.00

Key Terms

open-market purchase, open-market sale, indirect ownership, UNIT - SANB11, +1 more

5 terms

open-market purchase financial

"He executed an open‑market purchase of 276,851 units at $5.38 per unit"

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

"he executed an open‑market sale of 276,851 units at $5.38 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

"He executed an open‑market purchase ... through his wholly owned fund"

UNIT - SANB11 financial

"reported offsetting trades in the company’s UNIT - SANB11"

wholly owned and controlled financial

"fund SANTANDER PB ROMA III MULTIMERCADO CREDITO PRIVADO, which is wholly owned and controlled"

FAQ

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

What insider transactions did BSBR’s CEO report on this Form 4?

The CEO reported an open-market purchase of 276,851 UNIT - SANB11 securities at $5.38 per unit and an open-market sale of 276,851 units at the same price. The trades occurred on the same date and offset each other in size.

Did the BSBR CEO increase or decrease his overall holdings?

The filing shows a largely net-neutral effect. He moved 276,851 units from direct to indirect ownership at the same price, ending with 122,037 units directly and 536,751 units indirectly, so his total economic exposure remained broadly unchanged.

How many Banco Santander (Brasil) units does the CEO hold after these trades?

After these transactions, the CEO holds 122,037 units directly and 536,751 units indirectly through SANTANDER PB ROMA III MULTIMERCADO CREDITO PRIVADO. The filing presents these as separate direct and indirect positions in UNIT - SANB11.

At what price did the BSBR CEO trade UNIT - SANB11 on this date?

Both the purchase and sale were executed at $5.38 per UNIT - SANB11. A footnote states this is equivalent to R$27.13 per share, using an exchange rate of R$5.0424 per U.S.$1.00 from the Brazilian Central Bank.

How are the BSBR CEO’s indirect holdings in UNIT - SANB11 structured?

Indirect holdings are held through SANTANDER PB ROMA III MULTIMERCADO CREDITO PRIVADO, described as a fund wholly owned and controlled by the CEO. This entity held 536,751 units of UNIT - SANB11 after the reported purchase.

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

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Accepted by SEC EDGAR 06/16/2026 - 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)
06/16/2026

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	06/16/2026	06/16/2026	S		276,851	D	$5.38(1)	122,037	D
UNIT - SANB11	06/16/2026	06/16/2026	P		276,851	A	$5.38(1)	536,751	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$27.13 per share. Amounts presented were converted into U.S. dollars at the exchange rate of R$ 5.0424 per U.S.$1.00 as reported by Brazilian Central Bank on June 15, 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	06/16/2026
	** 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)