<SEC-DOCUMENT>0001275158-18-000028.txt : 20180508
<SEC-HEADER>0001275158-18-000028.hdr.sgml : 20180508
<ACCEPTANCE-DATETIME>20180508172622
ACCESSION NUMBER:		0001275158-18-000028
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20180504
FILED AS OF DATE:		20180508
DATE AS OF CHANGE:		20180508

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Lockhart Kathryn Rae
		CENTRAL INDEX KEY:			0001579599

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35987
		FILM NUMBER:		18815901

	MAIL ADDRESS:	
		STREET 1:		520 ZANG STREET, SUITE D
		CITY:			BROOMFIELD
		STATE:			CO
		ZIP:			80021

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NOODLES & Co
		CENTRAL INDEX KEY:			0001275158
		STANDARD INDUSTRIAL CLASSIFICATION:	RETAIL-EATING PLACES [5812]
		IRS NUMBER:				841303469
		FISCAL YEAR END:			0103

	BUSINESS ADDRESS:	
		STREET 1:		520 ZANG ST., SUITE D
		CITY:			BROOMFIELD
		STATE:			CO
		ZIP:			80021
		BUSINESS PHONE:		7202141921

	MAIL ADDRESS:	
		STREET 1:		520 ZANG ST., SUITE D
		CITY:			BROOMFIELD
		STATE:			CO
		ZIP:			80021

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	NOODLES & CO
		DATE OF NAME CHANGE:	20040102
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_152581473050253.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2018-05-04</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001275158</issuerCik>
        <issuerName>NOODLES &amp; Co</issuerName>
        <issuerTradingSymbol>NDLS</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001579599</rptOwnerCik>
            <rptOwnerName>Lockhart Kathryn Rae</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>520 ZANG STREET, SUITE D</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BROOMFIELD</rptOwnerCity>
            <rptOwnerState>CO</rptOwnerState>
            <rptOwnerZipCode>80021</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Vice President &amp; Controller</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2018-05-04</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>307</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>7.25</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>18186</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Represents shares surrendered to the Issuer by the Reporting Person to pay required tax withholdings due upon vesting of Restricted Stock Units granted to the Reporting Person on May 4, 2016. The shares surrendered were valued based on the closing price of the common stock of the Issuer on the date of surrender.</footnote>
        <footnote id="F2">Includes previously reported shares of common stock underlying Restricted Stock Units granted to the Reporting Person, which are subject to certain vesting conditions.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ David Boennighausen</signatureName>
        <signatureDate>2018-05-08</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
