<SEC-DOCUMENT>0001922964-23-000003.txt : 20230417
<SEC-HEADER>0001922964-23-000003.hdr.sgml : 20230417
<ACCEPTANCE-DATETIME>20230417182034
ACCESSION NUMBER:		0001922964-23-000003
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20230414
FILED AS OF DATE:		20230417
DATE AS OF CHANGE:		20230417

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Muzzey Dale
		CENTRAL INDEX KEY:			0001922964

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-26642
		FILM NUMBER:		23825034

	MAIL ADDRESS:	
		STREET 1:		320 WAKARA WAY
		CITY:			SALT LAKE CITY
		STATE:			UT
		ZIP:			84108

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MYRIAD GENETICS INC
		CENTRAL INDEX KEY:			0000899923
		STANDARD INDUSTRIAL CLASSIFICATION:	IN VITRO & IN VIVO DIAGNOSTIC SUBSTANCES [2835]
		IRS NUMBER:				870494517
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		320 WAKARA WAY
		CITY:			SALT LAKE CITY
		STATE:			UT
		ZIP:			84108
		BUSINESS PHONE:		801-584-3600

	MAIL ADDRESS:	
		STREET 1:		320 WAKARA WAY
		CITY:			SALT LAKE CITY
		STATE:			UT
		ZIP:			84108
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_168177002190556.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0407</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2023-04-14</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000899923</issuerCik>
        <issuerName>MYRIAD GENETICS INC</issuerName>
        <issuerTradingSymbol>MYGN</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001922964</rptOwnerCik>
            <rptOwnerName>Muzzey Dale</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>320 WAKARA WAY</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SALT LAKE CITY</rptOwnerCity>
            <rptOwnerState>UT</rptOwnerState>
            <rptOwnerZipCode>84108</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Scientific Officer</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2023-04-14</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>638</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>22.27</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>68217</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Represents shares withheld by the Company to satisfy tax withholding obligations in connection with the vesting of restricted stock units granted to the reporting person. The number of shares of Myriad common stock withheld was determined based on the closing price of Myriad common stock on April 14, 2023.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>By: Justin Hunter For: Dale Muzzey</signatureName>
        <signatureDate>2023-04-17</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
