Banco Santander (Brasil) officer sells 800 units

Michele Soares Ishii's reported direct position after the transaction was 13,303 SANB11 units.

Rhea-AI Filing Summary

Banco Santander (Brasil) S.A. (BSBR) officer Michele Soares Ishii reported selling 800 SANB11 units on September 24, 2026, at a reported price of $5.67 per share, equivalent to R$29.36 per share. The units were held directly, and her reported direct position afterward was 13,303 units. No Rule 10b5-1 plan is reported.

Insider Trade Summary

Net Seller: 800 shares

Net Sell 1 txn

Insider Ishii Michele Soares

Role Officer w/o Specific Desig

Sold 800 shs ($5K)

Type	Security	Shares	Price	Value
Sale	UNIT - SANB11 F1	800	$5.67	$5K

Holdings After Transaction: UNIT - SANB11 — 13,303 shares (Direct)

Footnotes (1)

1. F1. Equivalent to R$29.36 per share. Amounts presented were converted into U.S. dollars at the exchange rate of R$ 5.1789 per U.S.$1.00 as reported by Brazilian Central Bank on September 24, 2026.

Key Figures

Units sold: 800 units Reported price: $5.67 per share Equivalent price: R$29.36 per share +2 more

5 metrics

Units sold 800 units September 24, 2026

Reported price $5.67 per share Sale reported September 24, 2026

Equivalent price R$29.36 per share Equivalent amount stated in the transaction footnote

Direct holdings after transaction 13,303 units Reported following the September 24, 2026 transaction

Exchange rate R$5.1789 per U.S.$1.00 Exchange rate reported for September 24, 2026

Key Terms

UNIT, exchange rate, open market or private transaction

3 terms

UNIT financial

"UNIT - SANB11"

A unit is a single, indivisible investment instrument sold and traded as one package, often made up of two or more pieces such as a share combined with a warrant or a debt piece. Thinking of it like a combo meal at a restaurant helps: you buy one item that includes separate parts, and each part affects what you own, how you can sell it, and the potential future value or dilution for investors.

exchange rate financial

"at the exchange rate of R$ 5.1789 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.

open market or private transaction financial

"Sale in open market or private transaction"

FAQ

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

How many SANB11 units did BSBR officer Michele Soares Ishii sell?

Michele Soares Ishii sold 800 SANB11 units on September 24, 2026, at a reported $5.67 per share. The footnote gives the equivalent as R$29.36 per share, using an exchange rate of R$5.1789 per U.S.$1.00.

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

Form 4 Insider Transactions: What Each Field Means →

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Available on EDGAR 09/28/2026 - 06:54 PM Accepted by SEC EDGAR 09/28/2026 - 06:53 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^*

Ishii Michele Soares

(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)
09/24/2026

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	09/24/2026	09/24/2026	S		800	D	$5.67(1)	13,303	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$29.36 per share. Amounts presented were converted into U.S. dollars at the exchange rate of R$ 5.1789 per U.S.$1.00 as reported by Brazilian Central Bank on September 24, 2026.

	/s/ Michele Soares Ishii	09/28/2026
	** 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)