<SEC-DOCUMENT>0000890926-21-000076.txt : 20210519
<SEC-HEADER>0000890926-21-000076.hdr.sgml : 20210519
<ACCEPTANCE-DATETIME>20210519164616
ACCESSION NUMBER:		0000890926-21-000076
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210517
FILED AS OF DATE:		20210519
DATE AS OF CHANGE:		20210519

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Quigley Robert
		CENTRAL INDEX KEY:			0001759585

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-11356
		FILM NUMBER:		21940912

	MAIL ADDRESS:	
		STREET 1:		C/O RADIAN,
		STREET 2:		1500 MARKET ST., #2050W
		CITY:			PHILADELPHIA
		STATE:			PA
		ZIP:			19102

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			RADIAN GROUP INC
		CENTRAL INDEX KEY:			0000890926
		STANDARD INDUSTRIAL CLASSIFICATION:	SURETY INSURANCE [6351]
		IRS NUMBER:				232691170
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1500 MARKET STREET
		STREET 2:		19TH FLOOR, WEST TOWER
		CITY:			PHILADELPHIA
		STATE:			PA
		ZIP:			19102
		BUSINESS PHONE:		2155646600

	MAIL ADDRESS:	
		STREET 1:		1500 MARKET ST
		STREET 2:		19TH FLOOR, WEST TOWER
		CITY:			PHILADELPHIA
		STATE:			PA
		ZIP:			19102

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CMAC INVESTMENT CORP
		DATE OF NAME CHANGE:	19960126
</SEC-HEADER>
<DOCUMENT>
<TYPE>4/A
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2021-05-17</periodOfReport>

    <dateOfOriginalSubmission>2021-05-18</dateOfOriginalSubmission>

    <issuer>
        <issuerCik>0000890926</issuerCik>
        <issuerName>RADIAN GROUP INC</issuerName>
        <issuerTradingSymbol>RDN</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001759585</rptOwnerCik>
            <rptOwnerName>Quigley Robert</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>RADIAN GROUP INC.</rptOwnerStreet1>
            <rptOwnerStreet2>1500 MARKET STREET</rptOwnerStreet2>
            <rptOwnerCity>PHILADELPHIA</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>19102</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Sr. Vice President, Controller</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2021-05-17</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>6351</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>22.97</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>25352</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Pursuant to the terms of the Company's equity incentive plan, represents shares withheld by the Company to satisfy the tax liability incurred upon the vesting of the time-based RSUs granted on each of May 9, 2018, May 15, 2019 and May 13, 2020, as well as for the distribution of the performance-based RSUs granted May 9, 2018.  For each of these awards, shares were distributed on May 17, 2021. Amounts reflected represent an adjustment to the amounts previously reported as withheld following a true-up of taxes due.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Edward J. Hoffman /s/, Edward J. Hoffman, (POA) Atty-in-fact</signatureName>
        <signatureDate>2021-05-19</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
