John M. Cattonar - 22 Feb 2026 Form 4 Insider Report for Curbline Properties Corp. (CURB)

Role: EVP & Chief Investment Officer
Signature: /s/ Jennifer Daubenspeck, Attorney-In-Fact
Issuer symbol: CURB
Transactions as of: 22 Feb 2026
Net transactions value: -$51,584
Form type: 4
Filing time: 24 Feb 2026, 16:05:08 UTC
Previous filing: 15 Sep 2025
Next filing: 03 Mar 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Cattonar John M	EVP & Chief Investment Officer	320 PARK AVENUE, NEW YORK	/s/ Jennifer Daubenspeck, Attorney-In-Fact	24 Feb 2026	0001861496

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	CURB	Common Stock	Tax liability	$51,584	-1,893	-1.3%	$27.25	147,458	22 Feb 2026	Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
holding	CURB	LTIP Units						5,740	22 Feb 2026	Common Stock	5,740		Direct	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Reflects a class of limited partnership units in Curbline Properties LP ("LTIP Units"). Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes and vesting, each LTIP Unit may be converted into a common unit in Curbline Properties LP (a "Common Unit"). Each Common Unit acquired upon conversion of an LTIP Unit may be redeemed for one share of Issuer common stock or cash, at the election of the Issuer. The right to convert LTIP Units into Common Units and to redeem Common Units for cash or shares of Issuer common stock do not have expiration dates
F2	Annual grant of LTIP Units made in accordance with the terms of Mr. Cattonar's Assigned Employment Agreement dated as of September 1, 2024, as amended by the First Amendment thereto dated as of September 26, 2025 (the "Employment Agreement"). These LTIP Units vest ratably on the first four anniversaries of the grant date, subject generally to Mr. Cattonar's continued employment with the Issuer

Content

Reflects a class of limited partnership units in Curbline Properties LP ("LTIP Units"). Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes and vesting, each LTIP Unit may be converted into a common unit in Curbline Properties LP (a "Common Unit"). Each Common Unit acquired upon conversion of an LTIP Unit may be redeemed for one share of Issuer common stock or cash, at the election of the Issuer. The right to convert LTIP Units into Common Units and to redeem Common Units for cash or shares of Issuer common stock do not have expiration dates

Annual grant of LTIP Units made in accordance with the terms of Mr. Cattonar's Assigned Employment Agreement dated as of September 1, 2024, as amended by the First Amendment thereto dated as of September 26, 2025 (the "Employment Agreement"). These LTIP Units vest ratably on the first four anniversaries of the grant date, subject generally to Mr. Cattonar's continued employment with the Issuer