<SEC-DOCUMENT>0002058897-26-000267.txt : 20260806
<SEC-HEADER>0002058897-26-000267.hdr.sgml : 20260806
<ACCEPTANCE-DATETIME>20260806185301
ACCESSION NUMBER:		0002058897-26-000267
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20260806
FILED AS OF DATE:		20260806
DATE AS OF CHANGE:		20260806

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Restrepo Echavarria Luis Fernando
		CENTRAL INDEX KEY:			0002120711
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-42656
		FILM NUMBER:		261250884

	MAIL ADDRESS:	
		ADDRESS IS A NON US LOCATION: 	YES
		STREET 1:		AVENIDA LOS INDUSTRIALES
		STREET 2:		CARRERA 48 # 26 -85
		CITY:			MEDELLIN
		PROVINCE COUNTRY:   	F8
		ZIP:			050016

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Grupo Cibest S.A.
		CENTRAL INDEX KEY:			0002058897
		STANDARD INDUSTRIAL CLASSIFICATION:	COMMERCIAL BANKS, NEC [6029]
		ORGANIZATION NAME:           	02 Finance
		EIN:				000000000
		STATE OF INCORPORATION:			F8
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		ADDRESS IS A NON US LOCATION: 	YES
		STREET 1:		CARRERA 48 # 26-85
		STREET 2:		AVENIDA LOS INDUSTRIALES
		CITY:			MEDELLIN
		NON US STATE TERRITORY:  	ANTIOQUIA
		PROVINCE COUNTRY:   	F8
		ZIP:			050021
		BUSINESS PHONE:		57 604 4041918

	MAIL ADDRESS:	
		ADDRESS IS A NON US LOCATION: 	YES
		STREET 1:		CARRERA 48 # 26-85
		STREET 2:		AVENIDA LOS INDUSTRIALES
		CITY:			MEDELLIN
		NON US STATE TERRITORY:  	ANTIOQUIA
		PROVINCE COUNTRY:   	F8
		ZIP:			050021
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wk-form4_1786056779.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0609</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2026-08-06</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0002058897</issuerCik>
        <issuerName>Grupo Cibest S.A.</issuerName>
        <issuerTradingSymbol>CIB</issuerTradingSymbol>
        <issuerForeignTradingSymbol></issuerForeignTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0002120711</rptOwnerCik>
            <rptOwnerName>Restrepo Echavarria Luis Fernando</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerNonUSAddressFlag>true</rptOwnerNonUSAddressFlag>
            <rptOwnerStreet1>CRA. 48 # 26-85</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>MEDELLIN, COLOMBIA</rptOwnerCity>
            <rptOwnerNonUSStateTerritory></rptOwnerNonUSStateTerritory>
            <rptOwnerCountry>F8</rptOwnerCountry>
            <rptOwnerZipCode>050001</rptOwnerZipCode>
            <rptOwnerStateDescription>COLOMBIA</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable></nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Units in Grupo Cibest Equity Securities Fund</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2026-08-06</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>D</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>26015.88</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>8.38</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F2"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Shares and Preferred Shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <footnoteId id="F1"/>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>15539.69</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Director Voluntary Pension Fund Units</value>
                    <footnoteId id="F1"/>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The reported securities represent units held by the reporting person in an institutional voluntary pension fund sponsored by the issuer and administered by an independent third-party manager. The
fund is unitized and invests primarily in Grupo Cibest common and preferred shares, together with a small amount of cash. The reporting person does not have voting or investment discretion with
respect to the assets held by the fund. The declared units were paid exclusively in cash, based on the value of the fund on 08/06/2026. The price of a unit on August 6, 2026, was COP 26,648.10 equal to
approximately $8.38 per Unit using a conversion rate of COP 3,179.40 per $1.</footnote>
        <footnote id="F2">The instrument has no expiration date</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Maria Fernanda Valencia Tafur, Attorney-in-Fact for Luis Fernando Restrepo Echavarria</signatureName>
        <signatureDate>2026-08-06</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
