<SEC-DOCUMENT>0001871509-25-000058.txt : 20250417
<SEC-HEADER>0001871509-25-000058.hdr.sgml : 20250417
<ACCEPTANCE-DATETIME>20250417163230
ACCESSION NUMBER:		0001871509-25-000058
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20250415
FILED AS OF DATE:		20250417
DATE AS OF CHANGE:		20250417

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Hartung Jack
		CENTRAL INDEX KEY:			0001350874
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-40951
		FILM NUMBER:		25847801

	MAIL ADDRESS:	
		STREET 1:		1543 WAZEE STREET, SUITE 200
		CITY:			DENVER
		STATE:			CO
		ZIP:			80202

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Portillo's Inc.
		CENTRAL INDEX KEY:			0001871509
		STANDARD INDUSTRIAL CLASSIFICATION:	RETAIL-EATING PLACES [5812]
		ORGANIZATION NAME:           	07 Trade & Services
		EIN:				871104304
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1228

	BUSINESS ADDRESS:	
		STREET 1:		C/O THE PORTILLO RESTAURANT GROUP
		STREET 2:		2001 SPRING ROAD, SUITE 400
		CITY:			OAK BROOK
		STATE:			IL
		ZIP:			60523-1903
		BUSINESS PHONE:		(630) 954-3773

	MAIL ADDRESS:	
		STREET 1:		C/O THE PORTILLO RESTAURANT GROUP
		STREET 2:		2001 SPRING ROAD, SUITE 400
		CITY:			OAK BROOK
		STATE:			IL
		ZIP:			60523-1903
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wk-form4_1744921943.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2025-04-15</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001871509</issuerCik>
        <issuerName>Portillo's Inc.</issuerName>
        <issuerTradingSymbol>PTLO</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001350874</rptOwnerCik>
            <rptOwnerName>Hartung Jack</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O PORTILLO'S INC.</rptOwnerStreet1>
            <rptOwnerStreet2>2001 SPRING ROAD, SUITE 400</rptOwnerStreet2>
            <rptOwnerCity>OAK BROOK</rptOwnerCity>
            <rptOwnerState>IL</rptOwnerState>
            <rptOwnerZipCode>60523</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A common stock</value>
            </securityTitle>
            <transactionDate>
                <value>2025-04-15</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>16556</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>89056</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Represents restricted stock units granted on April 15, 2025, which will vest in full on December 31, 2025, subject to the Reporting Person's continued service with the Issuer through such vesting date
and the terms of the applicable award agreement.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Kelly M. Kaiser, as attorney-in-fact for Jack Hartung</signatureName>
        <signatureDate>2025-04-17</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
