[Form 4] Curbline Properties Corp. Insider Trading Activity

Rhea-AI Filing Summary

David R. Lukes, who serves as President & CEO and a director of Curbline Properties Corp. (CURB), reported two open-market sales totaling 200,000 shares on 08/06/2025 and 08/07/2025. The 08/06 sale of 100,000 shares had a weighted-average price of $22.536 and left 945,362 shares beneficially owned; the 08/07 sale of 100,000 shares had a weighted-average price of $22.455 and left 845,362 shares beneficially owned.

Explanations state each weighted-average price covers multiple transactions: the 08/06 price range was $22.46–$22.685 and the 08/07 range was $22.24–$22.59. All reported holdings are shown as direct beneficial ownership.

Positive

• None.

Negative

• Reported insider sales totaled 200,000 shares, reducing direct beneficial ownership to 845,362 shares as shown after the 08/07 transaction.

Insights

Financial Analyst

TL;DR: CEO sold 200,000 CURB shares in two transactions; direct ownership reported as 845,362 shares.

The Form 4 documents routine open-market dispositions on 08/06 and 08/07 totaling 200,000 shares at weighted-average prices of $22.536 and $22.455. The filing discloses execution-price ranges for each date and reports all shares as direct beneficial ownership. As presented, the transactions reduce the reporting person's stake but contain no additional operational or derivative activity that would immediately alter the companys financial outlook.

Corporate Governance Expert

TL;DR: Filing is a transparent insider disclosure showing direct sales with detailed price ranges; governance impact appears neutral.

The report includes required details: transaction dates, share counts, weighted-average prices, and explicit execution-price ranges. Table II reports no derivative transactions. From a governance perspective, the disclosure meets Form 4 requirements and represents insider selling rather than any change in management or board composition.

SEC Form 4

FORM 4

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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Lukes David R

(Last) (First) (Middle)

320 PARK AVENUE

(Street)

NEW YORK NY 10022

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Curbline Properties Corp. [ CURB ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	President & CEO

3. Date of Earliest Transaction (Month/Day/Year)
08/06/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	08/06/2025		S		100,000	D	$22.536(1)	945,362	D
Common Stock	08/07/2025		S		100,000	D	$22.455(2)	845,362	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $22.46 to $22.685. 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

2. The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $22.24 to $22.59. 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

	/s/ Jennifer Daubenspeck, Attorney-In-Fact	08/08/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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FAQ

What did the CURB Form 4 disclose about insider activity?

David R. Lukes sold 200,000 shares in two transactions on 08/06/2025 and 08/07/2025, with weighted-average prices of $22.536 and $22.455.

How many shares does David R. Lukes beneficially own after the sales (CURB)?

845,362 shares of common stock are reported as directly beneficially owned after the 08/07 sale.

Were the reported sales direct or indirect for CURB insider David R. Lukes?

All reported holdings and sales are shown as direct beneficial ownership.

Did the Form 4 report any derivative transactions for CURB?

No derivative securities were reported in Table II of the filing.

What execution-price ranges were disclosed for the reported CURB sales?

08/06 range: $22.46–$22.685; 08/07 range: $22.24–$22.59. Weighted-average prices are also provided.