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

Banco Santander Brasil (NYSE: BSBR) officer sells 39,874 SANB11 units

Filing Impact
(Moderate)
Filing Sentiment
(Negative)
Form Type
4

Rhea-AI Filing Summary

Banco Santander (Brasil) S.A. officer Rezende Robson de Souza reported a sale of 39,874 UNIT - SANB11 securities on August 4, 2026 at $5.70 per unit, equivalent to R$29.09 per share using an exchange rate of R$5.1047 per US$1.00, leaving 31,003 units held directly.

Positive

  • None.

Negative

  • None.
Insider Rezende Robson de Souza
Role Officer w/o Specific Desig
Sold 39,874 shs ($227K)
Type Security Shares Price Value
Sale UNIT - SANB11 F1 39,874 $5.70 $227K
Holdings After Transaction: UNIT - SANB11 — 31,003 shares (Direct)
Footnotes (1)
  1. F1. Equivalent to R$29.09 per share. Amounts presented were converted into U.S. dollars at the exchange rate of R$ 5.1047 per U.S.$1.00 as reported by Brazilian Central Bank on August 04, 2026.
Units sold 39,874 units Non-derivative sale of UNIT - SANB11 on August 4, 2026
Sale price per unit $5.70 per unit Reported transaction price for UNIT - SANB11
Holdings after transaction 31,003 units Directly held UNIT - SANB11 following the sale
BRL equivalent per share R$29.09 per share Footnote equivalence for the reported sale price
FX rate used R$5.1047 per US$1.00 Exchange rate from Brazilian Central Bank on August 4, 2026
UNIT - SANB11 financial
"security title UNIT - SANB11 was reported for the transaction"
Brazilian Central Bank financial
"as reported by Brazilian Central Bank on August 04, 2026"
exchange rate financial
"converted into U.S. dollars at the exchange rate of R$ 5.1047 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.

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Form 4 Insider Transactions: What Each Field Means →

FAQ

What insider transaction was reported for Banco Santander Brasil (BSBR)?
A company officer, Rezende Robson de Souza, reported a sale of 39,874 UNIT - SANB11 securities on August 4, 2026. The transaction was reported as a non-derivative sale with shares held directly after the trade.

At what price did the BSBR insider sell the 39,874 UNIT - SANB11 securities?
The reported sale price was $5.70 per unit, equivalent to R$29.09 per share. Amounts were converted into U.S. dollars using an exchange rate of R$5.1047 per US$1.00 as reported by the Brazilian Central Bank on August 4, 2026.

How many Banco Santander Brasil (BSBR) units does the insider hold after the sale?
After the reported sale, Rezende Robson de Souza directly holds 31,003 UNIT - SANB11 securities. This figure reflects the position following the disposition of 39,874 units reported for August 4, 2026.

Was the BSBR insider transaction executed under a Rule 10b5-1 trading plan?
The Form 4 indicates the Rule 10b5-1 checkbox is not marked as true, meaning the transaction is not affirmatively identified as being executed under a pre-arranged Rule 10b5-1 trading plan.

What type of security did the BSBR insider sell in this Form 4?
The transaction involved UNIT - SANB11 securities of Banco Santander (Brasil) S.A., reported as a non-derivative security. These units are traded and priced in U.S. dollars for purposes of the reported transaction.

What exchange rate was used to convert the BSBR transaction values into U.S. dollars?
The footnote states values were converted using an exchange rate of R$5.1047 per US$1.00. This rate, reported by the Brazilian Central Bank on August 4, 2026, underpins the U.S. dollar amounts disclosed for the sale.
SEC Form 4
FORM 4UNITED 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*
Rezende Robson de Souza
(Last)(First)(Middle)
AV PRESIDENTE JUSCELINO KUBITSCHEK, 2041
CJ 281, BLOCO A, COND. WTORRE JK
(Street)
SAO PAULOSAO PAULO04543-011
(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)
Director10% Owner
XOfficer (give title below)Other (specify below)
Officer w/o Specific Desig
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
08/04/2026		6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
UNIT - SANB1108/04/202608/04/2026S39,874D$5.7(1)31,003D
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
1. Equivalent to R$29.09 per share. Amounts presented were converted into U.S. dollars at the exchange rate of R$ 5.1047 per U.S.$1.00 as reported by Brazilian Central Bank on August 04, 2026.
/s/ Robson de Souza Rezende08/06/2026
** Signature of Reporting PersonDate
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