<SEC-DOCUMENT>0000950170-25-091547.txt : 20250630
<SEC-HEADER>0000950170-25-091547.hdr.sgml : 20250630
<ACCEPTANCE-DATETIME>20250630160504
ACCESSION NUMBER:		0000950170-25-091547
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20250627
FILED AS OF DATE:		20250630
DATE AS OF CHANGE:		20250630

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Fennerty Conor
		CENTRAL INDEX KEY:			0001794039
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-42265
		FILM NUMBER:		251091987

	MAIL ADDRESS:	
		STREET 1:		3300 ENTERPRISE PKWY
		CITY:			BEACHWOOD
		STATE:			OH
		ZIP:			44122

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Curbline Properties Corp.
		CENTRAL INDEX KEY:			0002027317
		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE [6500]
		ORGANIZATION NAME:           	05 Real Estate & Construction
		EIN:				934224532
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		320 PARK AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022
		BUSINESS PHONE:		216-755-5500

	MAIL ADDRESS:	
		STREET 1:		3300 ENTERPRISE PARKWAY
		CITY:			BEACHWOOD
		STATE:			OH
		ZIP:			44122
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>ownership.xml
<DESCRIPTION>4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2025-06-27</periodOfReport>

    <issuer>
        <issuerCik>0002027317</issuerCik>
        <issuerName>Curbline Properties Corp.</issuerName>
        <issuerTradingSymbol>CURB</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001794039</rptOwnerCik>
            <rptOwnerName>Fennerty Conor</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>320 PARK AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>false</isDirector>
            <isOfficer>true</isOfficer>
            <isTenPercentOwner>false</isTenPercentOwner>
            <isOther>false</isOther>
            <officerTitle>EVP, CFO &amp; Treasurer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>false</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2025-06-27</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>false</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>28000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>22.806</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>176560</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The price reported in column 4 is a weighted average price.  These shares were sold in multiple transactions at prices ranging from $22.625 to $22.96. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer or the Staff of the Securities and Exchange Commission, upon request, with full information regarding the number of shares sold at each separate price within this range</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Jennifer Daubenspeck, Attorney-In-Fact</signatureName>
        <signatureDate>2025-06-30</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
