Curbline Properties (CURB) CEO disposes shares to satisfy tax obligation

Rhea-AI Filing Summary

Curbline Properties Corp. director and President & CEO David R. Lukes reported a tax-related share disposition. On this Form 4, he transferred 77,816 shares of common stock at $27.8100 per share to satisfy tax obligations, leaving him with 756,009 common shares held directly.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Lukes David R

Role President & CEO

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock	77,816	$27.81	$2.16M

Holdings After Transaction: Common Stock — 756,009 shares (Direct)

Footnotes (1)

Form 4 Insider Transactions: What Each Field Means →

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)
02/28/2026

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	02/28/2026		F		77,816	D	$27.81	756,009	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:

	/s/ Jennifer Daubenspeck, Attorney-In-Fact	03/03/2026
	** 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.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transaction did Curbline Properties (CURB) report on this Form 4?

The Form 4 reports a tax-related share disposition by President & CEO David R. Lukes. He delivered 77,816 shares of Curbline Properties common stock to cover tax obligations, rather than conducting an open-market sale of those shares.

How many Curbline Properties (CURB) shares did the CEO dispose of and at what price?

David R. Lukes disposed of 77,816 shares of Curbline Properties common stock at a reported price of $27.8100 per share. The transaction is coded as related to payment of an exercise price or tax liability by delivering securities, not as an open-market sale.

How many Curbline Properties (CURB) shares does the CEO own after this Form 4 transaction?

After the tax-related disposition, David R. Lukes directly owns 756,009 shares of Curbline Properties common stock. This post-transaction holding reflects his remaining direct ownership following the delivery of 77,816 shares to satisfy the related tax or exercise-price obligation.

Was the Curbline Properties (CURB) insider transaction an open-market sale?

No, the transaction is coded "F" as a payment of exercise price or tax liability by delivering securities. This means shares were withheld or delivered for tax or exercise obligations, rather than sold by David R. Lukes in a traditional open-market sale.

Who is the insider involved in this Curbline Properties (CURB) Form 4 filing?

The insider is David R. Lukes, who serves as both a director and the President & CEO of Curbline Properties Corp. The filing reports his tax-related disposition of 77,816 shares and confirms a remaining direct ownership of 756,009 common shares.