Banco Santander (Brasil) S.A. (BSBR) officer reports sale of 17,800 units

Rhea-AI Filing Summary

Banco Santander (Brasil) S.A. officer Nicolas Vergara reported a sale of 17,800 UNIT - SANB11 on August 11, 2026. The units were sold at $5.74 per unit, equivalent to R$29.43 per share using an exchange rate of R$5.1279 per US$1.00, in a sale classified as an open market or private transaction. Following this transaction, Vergara directly holds 29,138 units. The transaction was not marked as being executed under a Rule 10b5-1 trading plan.

Insider Trade Summary

Net Seller: 17,800 shares

Net Sell 1 txn

Insider Vergara Nicolas

Role Officer w/o Specific Desig

Sold 17,800 shs ($102K)

Type	Security	Shares	Price	Value
Sale	UNIT - SANB11 F1	17,800	$5.74	$102K

Holdings After Transaction: UNIT - SANB11 — 29,138 shares (Direct)

Footnotes (1)

1. F1. Equivalent to R$29.43 per share. Amounts presented were converted into U.S. dollars at the exchange rate of R$ 5.1279 per U.S.$1.00 as reported by Brazilian Central Bank on August 11, 2026.

Key Figures

Units sold: 17,800 units Sale price per unit: $5.74 per unit Local currency equivalent price: R$29.43 per share +2 more

5 metrics

Units sold 17,800 units Non-derivative UNIT - SANB11 sold on August 11, 2026

Sale price per unit $5.74 per unit Sale in open market or private transaction

Local currency equivalent price R$29.43 per share Converted using R$5.1279 per US$1.00 on August 11, 2026

Exchange rate R$5.1279 per US$1.00 Rate from Brazilian Central Bank on August 11, 2026

Holdings after transaction 29,138 units Total direct UNIT - SANB11 held after the sale

Key Terms

UNIT - SANB11, non-derivative, Rule 10b5-1 trading plan, Brazilian Central Bank, +1 more

5 terms

UNIT - SANB11 financial

"The security traded was classified as UNIT - SANB11, a non-derivative security."

non-derivative financial

"The UNIT - SANB11 was described as a non-derivative security in the transaction."

Rule 10b5-1 trading plan regulatory

"The transaction was not marked as being executed under a Rule 10b5-1 trading plan."

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

Brazilian Central Bank financial

"The exchange rate was reported by the Brazilian Central Bank on August 11, 2026."

exchange rate financial

"An exchange rate of R$5.1279 per US$1.00 was used to convert the price."

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

What did Nicolas Vergara sell in Banco Santander (Brasil) S.A. (BSBR)?

Nicolas Vergara sold 17,800 UNIT - SANB11 of Banco Santander (Brasil) S.A. The transaction was reported as a sale in open market or private transaction and involved non-derivative securities.

At what price were the BSBR units sold by Nicolas Vergara?

The 17,800 units were sold at $5.74 per unit. A related footnote states this is equivalent to R$29.43 per share, using an exchange rate of R$5.1279 per US$1.00 from the Brazilian Central Bank on August 11, 2026.

How many BSBR units does Nicolas Vergara hold after this transaction?

After the sale, Nicolas Vergara directly holds 29,138 UNIT - SANB11. This figure reflects his total direct holdings following the reported transaction on August 11, 2026.

Was the BSBR insider sale by Nicolas Vergara under a Rule 10b5-1 plan?

The filing indicates the transaction was not conducted under a Rule 10b5-1 trading plan. The specific 10b5-1 checkbox was left unchecked, and no footnote describes a pre-arranged trading arrangement.

What exchange rate was used to convert the BSBR transaction price?

The filing uses an exchange rate of R$5.1279 per US$1.00. Based on this rate, the $5.74 per unit sale price was stated as equivalent to R$29.43 per share, as reported by the Brazilian Central Bank on August 11, 2026.

What type of security did Nicolas Vergara trade for BSBR?

Nicolas Vergara traded UNIT - SANB11, classified as a non-derivative security of Banco Santander (Brasil) S.A. The transaction code was S, indicating a sale in an open market or private transaction.

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 08/13/2026 - 05:11 PM Accepted by SEC EDGAR 08/13/2026 - 05:11 PM 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^*

Vergara Nicolas

(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

3. Date of Earliest Transaction (Month/Day/Year)
08/11/2026

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	08/11/2026	08/11/2026	S		17,800	D	$5.74(1)	29,138	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$29.43 per share. Amounts presented were converted into U.S. dollars at the exchange rate of R$ 5.1279 per U.S.$1.00 as reported by Brazilian Central Bank on August 11, 2026.

	/s/ Nicolas Vergara	08/11/2026
	** 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)