<SEC-DOCUMENT>0001292814-26-004111.txt : 20260806
<SEC-HEADER>0001292814-26-004111.hdr.sgml : 20260806
<ACCEPTANCE-DATETIME>20260806170808
ACCESSION NUMBER:		0001292814-26-004111
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20260804
FILED AS OF DATE:		20260806
DATE AS OF CHANGE:		20260806

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Santos Gustavo de Sousa
		CENTRAL INDEX KEY:			0002122885
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34476
		FILM NUMBER:		261250317

	MAIL ADDRESS:	
		ADDRESS IS A NON US LOCATION: 	YES
		STREET 1:		AV PRESIDENTE JUSCELINO KUBITSCHEK, 2041
		STREET 2:		CJ 281, BLOCO A, COND. WTORRE JK
		CITY:			SAO PAULO
		NON US STATE TERRITORY:  	SAO PAULO
		PROVINCE COUNTRY:   	D5
		ZIP:			04543-011

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Banco Santander (Brasil) S.A.
		CENTRAL INDEX KEY:			0001471055
		STANDARD INDUSTRIAL CLASSIFICATION:	COMMERCIAL BANKS, NEC [6029]
		ORGANIZATION NAME:           	02 Finance
		EIN:				000000000
		STATE OF INCORPORATION:			D5
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		AV. JUSCELINO KUBITSCHEK, 2235
		STREET 2:		AV. JUSCELINO KUBITSCHEK, 2041
		CITY:			SAO PAULO, SP
		STATE:			D5
		ZIP:			04543-011
		BUSINESS PHONE:		(55 11) 3174-8589

	MAIL ADDRESS:	
		STREET 1:		AV. JUSCELINO KUBITSCHEK, 2235
		STREET 2:		AV. JUSCELINO KUBITSCHEK, 2041
		CITY:			SAO PAULO, SP
		STATE:			D5
		ZIP:			04543-011
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>ownership.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0609</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2026-08-04</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001471055</issuerCik>
        <issuerName>Banco Santander (Brasil) S.A.</issuerName>
        <issuerTradingSymbol>BSBR</issuerTradingSymbol>
        <issuerForeignTradingSymbol></issuerForeignTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0002122885</rptOwnerCik>
            <rptOwnerName>Santos Gustavo de Sousa</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerNonUSAddressFlag>true</rptOwnerNonUSAddressFlag>
            <rptOwnerStreet1>AV PRESIDENTE JUSCELINO KUBITSCHEK, 2041</rptOwnerStreet1>
            <rptOwnerStreet2>CJ 281, BLOCO A, COND. WTORRE JK</rptOwnerStreet2>
            <rptOwnerCity>SAO PAULO</rptOwnerCity>
            <rptOwnerNonUSStateTerritory>SAO PAULO</rptOwnerNonUSStateTerritory>
            <rptOwnerCountry>D5</rptOwnerCountry>
            <rptOwnerZipCode>04543-011</rptOwnerZipCode>
            <rptOwnerStateDescription>BRAZIL</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Officer w/o Specific Desig</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>UNIT - SANB11</value>
            </securityTitle>
            <transactionDate>
                <value>2026-08-04</value>
            </transactionDate>
            <deemedExecutionDate>
                <value>2026-08-04</value>
            </deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>29200</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>5.70</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>53023</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="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.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Gustavo de Sousa Santos</signatureName>
        <signatureDate>2026-08-06</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
