Santander Brasil (NYSE: BSBR) officer trims stake with 11.5K-unit sale

Q: Who is the insider involved in this BSBR Form 4 filing?

The insider is Rudolf Gschliffner, reported as an officer without specific designation of Banco Santander (Brasil) S.A., who filed a Form 4 detailing a sale of UNIT - SANB11 on August 25, 2026.

Q: How many BSBR UNIT - SANB11 did the insider sell and at what price?

Rudolf Gschliffner sold 11,507 UNIT - SANB11 at a price of $5.73 per unit. A footnote states this is equivalent to R$29.49 per unit, converted using a specific Brazilian real to U.S. dollar exchange rate.

Q: Was the BSBR insider transaction under a Rule 10b5-1 trading plan?

No. The Form 4 indicates the Rule 10b5-1 checkbox is not affirmed (aff_10b5_one is false), and the only footnote addresses currency conversion, not a trading plan.

Filing Impact

(Neutral)

Filing Sentiment

(Negative)

Form Type

Rhea-AI Filing Summary

Banco Santander (Brasil) S.A. (BSBR) insider Rudolf Gschliffner, an officer, reported selling 11,507 UNIT - SANB11 on August 25, 2026 in an open-market or private transaction. The units were sold at $5.73 per unit, equivalent to R$29.49 per unit, and he now directly holds 33,192 units.

Insider Trade Summary

Net Seller: 11,507 shares

Net Sell 1 txn

Insider Gschliffner Rudolf

Role Officer w/o Specific Desig

Sold 11,507 shs ($66K)

Type	Security	Shares	Price	Value
Sale	UNIT - SANB11 ^F1	11,507	$5.73	$66K

Holdings After Transaction: UNIT - SANB11 — 33,192 shares (Direct)

Footnotes (1)

F1. Equivalent to R$29.49 per share. Amounts presented were converted into U.S. dollars at the exchange rate of R$ 5,1484 per U.S.$1.00 as reported by Brazilian Central Bank on August 25, 2026.

Key Figures

Units sold: 11,507 UNIT - SANB11 Sale price per unit: $5.73 per unit Equivalent price in Brazilian reais: R$29.49 per unit +2 more

5 metrics

Units sold 11,507 UNIT - SANB11 Non-derivative sale on August 25, 2026

Sale price per unit $5.73 per unit Transaction price for UNIT - SANB11

Equivalent price in Brazilian reais R$29.49 per unit Converted from U.S. dollars using stated exchange rate

Exchange rate R$5.1484 per U.S.$1.00 Brazilian Central Bank rate on August 25, 2026

Holdings after transaction 33,192 UNIT - SANB11 Total direct holdings reported following the sale

Key Terms

UNIT - SANB11, Form 4, Brazilian Central Bank, exchange rate

4 terms

UNIT - SANB11 financial

"security_title: "UNIT - SANB11""

Form 4 regulatory

"INSIDER FILING DATA (Form 4)"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

Brazilian Central Bank financial

"as reported by Brazilian Central Bank on August 25, 2026"

exchange rate financial

"Amounts presented were converted into U.S. dollars at the exchange rate"

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.

FAQ

Who is the insider involved in this BSBR Form 4 filing?

The insider is Rudolf Gschliffner, reported as an officer without specific designation of Banco Santander (Brasil) S.A., who filed a Form 4 detailing a sale of UNIT - SANB11 on August 25, 2026.

How many BSBR UNIT - SANB11 did the insider sell and at what price?

Rudolf Gschliffner sold 11,507 UNIT - SANB11 at a price of $5.73 per unit. A footnote states this is equivalent to R$29.49 per unit, converted using a specific Brazilian real to U.S. dollar exchange rate.

What are Rudolf Gschliffner’s BSBR holdings after this reported sale?

After the reported transaction, Rudolf Gschliffner directly holds 33,192 UNIT - SANB11 of Banco Santander (Brasil) S.A. This figure is listed as the total shares following the transaction on the Form 4.

What exchange rate was used to convert the BSBR transaction price to U.S. dollars?

The filing states that amounts were converted using an exchange rate of R$5.1484 per U.S.$1.00, as reported by the Brazilian Central Bank on August 25, 2026. This rate underlies the R$29.49 per unit equivalent price.

Was the BSBR insider transaction under a Rule 10b5-1 trading plan?

No. The Form 4 indicates the Rule 10b5-1 checkbox is not affirmed (aff_10b5_one is false), and the only footnote addresses currency conversion, not a trading plan.

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Available on EDGAR 08/27/2026 - 05:09 PM Accepted by SEC EDGAR 08/27/2026 - 05:08 PM

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^*

Gschliffner Rudolf

(Last)

(First)

(Middle)

AV PRESIDENTE JUSCELINO KUBITSCHEK, 2041

CJ 281, BLOCO A, COND. WTORRE JK

(Street)

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

3. Date of Earliest Transaction (Month/Day/Year)
08/25/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
UNIT - SANB11	08/25/2026	08/25/2026	S		11,507	D	$5.73⁽¹⁾	33,192	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. Equivalent to R$29.49 per share. Amounts presented were converted into U.S. dollars at the exchange rate of R$ 5,1484 per U.S.$1.00 as reported by Brazilian Central Bank on August 25, 2026.

	/s/ Rudolf Gschliffner	08/27/2026
	** 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)

Source: View Original Filing on SEC EDGAR