<SEC-DOCUMENT>0001488813-20-000144.txt : 20200602
<SEC-HEADER>0001488813-20-000144.hdr.sgml : 20200602
<ACCEPTANCE-DATETIME>20200602180735
ACCESSION NUMBER:		0001488813-20-000144
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20200601
FILED AS OF DATE:		20200602
DATE AS OF CHANGE:		20200602

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Issa Steven
		CENTRAL INDEX KEY:			0001512474

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35542
		FILM NUMBER:		20938403

	MAIL ADDRESS:	
		STREET 1:		16 LILAC STREET
		CITY:			CUMBERLAND
		STATE:			RI
		ZIP:			02864

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Customers Bancorp, Inc.
		CENTRAL INDEX KEY:			0001488813
		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
		IRS NUMBER:				272290659
		STATE OF INCORPORATION:			PA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1015 PENN AVENUE
		STREET 2:		SUITE 103
		CITY:			WYOMISSING
		STATE:			PA
		ZIP:			19610
		BUSINESS PHONE:		484-359-7113

	MAIL ADDRESS:	
		STREET 1:		1015 PENN AVENUE
		STREET 2:		SUITE 103
		CITY:			WYOMISSING
		STATE:			PA
		ZIP:			19610

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Customers 1st Bancorp, Inc.
		DATE OF NAME CHANGE:	20100408
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_159113563742445.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2020-06-01</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001488813</issuerCik>
        <issuerName>Customers Bancorp, Inc.</issuerName>
        <issuerTradingSymbol>CUBI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001512474</rptOwnerCik>
            <rptOwnerName>Issa Steven</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1015 PENN AVENUE, SUITE 103</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>WYOMISSING</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>19610</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Executive VP and CLO</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2020-06-01</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>565</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>11.06</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>33162</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Shares withheld for taxes upon vesting of previously issued restricted stock units award.</footnote>
        <footnote id="F2">Includes 31,942 Restricted Stock Units.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Steven Issa by Michael DeTommaso under Power of Attorney</signatureName>
        <signatureDate>2020-06-02</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
