Curbline Properties furnishes Q3 2025 financial supplement (Ex. 99.1)

Rhea-AI Filing Summary

Curbline Properties Corp. furnished a Quarterly Supplement for the quarter ended September 30, 2025, including a news release with financial results, via an Item 2.02 Form 8-K. The material is provided as Exhibit 99.1 and incorporated by reference.

The company states this information is furnished and not deemed “filed” under the Exchange Act.

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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): October 28, 2025

Curbline Properties Corp.

(Exact name of Registrant as Specified in Its Charter)

Maryland			001-42265	93-4224532
(State or Other Jurisdiction of Incorporation)			(Commission File Number)	(IRS Employer Identification No.)
320 Park Avenue
New York, New York				10022
(Address of Principal Executive Offices)				(Zip Code)

Registrant’s Telephone Number, Including Area Code: (216) 755-5500

(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class		Trading Symbol(s)		Name of each exchange on which registered
Common Stock, $0.01 par value per share		CURB		New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).

Emerging growth company ☒

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☒

Item 2.02 Results of Operations and Financial Condition.

On October 28, 2025, Curbline Properties Corp. (the “Company”) issued a quarterly financial supplement containing financial and property information of the Company (the “Quarterly Supplement”) for the quarter ended September 30, 2025, which includes a News Release containing financial results of the Company. A copy of the Quarterly Supplement is attached hereto as Exhibit 99.1 and is incorporated herein by reference. This information shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 (the “Exchange Act”) or otherwise subject to the liabilities of that section, nor shall it be incorporated by reference into a filing under the Securities Act of 1933 or the Exchange Act, except as shall be set forth by specific reference in such filing.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

Exhibit

Number Description

99.1	Quarterly financial supplement dated as of September 30, 2025
104	Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

			CURBLINE PROPERTIES CORP.
Date:	October 28, 2025	By:	/s/ Christina M. Yarian
			Name: Christina M. Yarian Title: Senior Vice President and Chief Accounting Officer

FAQ

What did CURB disclose in its 8-K?

Curbline Properties furnished a Quarterly Supplement for the quarter ended September 30, 2025, including a news release with financial results as Exhibit 99.1.

Which period does the Quarterly Supplement cover for CURB?

It covers the quarter ended September 30, 2025.

How is the information treated under the Exchange Act?

The information is furnished under Item 2.02 and is not deemed “filed.”

Which exhibits were included with CURB’s 8-K?

Exhibit 99.1 (Quarterly financial supplement) and Exhibit 104 (Cover Page Interactive Data File).

What is Curbline Properties’ trading symbol and exchange?

The common stock trades on the New York Stock Exchange under the symbol CURB.

Who signed the CURB 8-K?

It was signed by Christina M. Yarian, Senior Vice President and Chief Accounting Officer.