<SEC-DOCUMENT>0001179110-16-023250.txt : 20160420
<SEC-HEADER>0001179110-16-023250.hdr.sgml : 20160420
<ACCEPTANCE-DATETIME>20160420185720
ACCESSION NUMBER:		0001179110-16-023250
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20151102
FILED AS OF DATE:		20160420
DATE AS OF CHANGE:		20160420

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ISTAR INC.
		CENTRAL INDEX KEY:			0001095651
		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
		IRS NUMBER:				956881527
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1114 AVENUE OF THE AMERICAS
		STREET 2:		39TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10036
		BUSINESS PHONE:		2129309400

	MAIL ADDRESS:	
		STREET 1:		1114 AVENUE OF THE AMERICAS
		STREET 2:		39TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10036

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ISTAR FINANCIAL INC
		DATE OF NAME CHANGE:	20000501

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	STARWOOD FINANCIAL INC
		DATE OF NAME CHANGE:	19990923

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			DESOUZA CLIFFORD
		CENTRAL INDEX KEY:			0001650151

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-15371
		FILM NUMBER:		161582269

	MAIL ADDRESS:	
		STREET 1:		C/O ISTAR, 1114 AVENUE OF THE AMERICAS
		STREET 2:		39TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10036
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>FORM 4 -
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2015-11-02</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001095651</issuerCik>
        <issuerName>ISTAR INC.</issuerName>
        <issuerTradingSymbol>STAR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001650151</rptOwnerCik>
            <rptOwnerName>DESOUZA CLIFFORD</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ISTAR INC.</rptOwnerStreet1>
            <rptOwnerStreet2>1114 AVENUE OF THE AMERICAS 39TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10036</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2015-11-02</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>5</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value>E</value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>7494</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>7494</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Effective on November 2, 2015, the Reporting Person, Mr. Clifford De Souza, was awarded 7,494 restricted shares of Common Stock of iStar Financial Inc. (NYSE:STAR) in accordance with the provisions of the iStar Inc. Non-Employee Directors' Deferral Plan, which shares are owned directly. These shares are restricted and may not be sold or otherwise transferred until they vest on June 1, 2016.</footnote>
        <footnote id="F2">Following this transaction, the Reporting Person is the beneficial owner of 7,494 shares of iStar Common Stock, which are owned directly, are restricted and may not be sold or otherwise transferred until they vest.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Clifford De Souza</signatureName>
        <signatureDate>2016-04-20</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
