Curbline director sells 100 shares at $30.02

A Curbline Properties Corp. director reported a small open-market sale while retaining over 6.8 million shares.

Rhea-AI Filing Summary

Curbline Properties Corp. (CURB) director Otto Alexander reported selling common stock in a recent insider transaction. On September 1, 2026, he sold 100 shares of Curbline Properties common stock at a reported price of $30.02 per share in a sale described as an open market or private transaction. Following this sale, he directly held 6,808,182 shares of common stock. No Rule 10b5-1 trading plan is reported for this transaction.

Insider Trade Summary

Net Seller: 100 shares

Net Sell 1 txn

Insider Otto Alexander

Role Director

Sold 100 shs ($3K)

Type	Security	Shares	Price	Value
Sale	Common Stock	100	$30.02	$3K

Holdings After Transaction: Common Stock — 6,808,182 shares (Direct)

Key Figures

Shares sold: 100 shares Sale price per share: $30.02 per share Shares held after transaction: 6,808,182 shares +1 more

4 metrics

Shares sold 100 shares Common stock sold by director Otto Alexander on September 1, 2026

Sale price per share $30.02 per share Reported price for the 100 CURB common shares sold

Shares held after transaction 6,808,182 shares Direct holdings of CURB common stock by Otto Alexander after the sale

Net shares sold in filing 100 shares Net sell volume across all reported transactions in this Form 4

Key Terms

open market or private transaction, Rule 10b5-1 trading plan, disposition

3 terms

open market or private transaction financial

"described as a sale in an open market or private transaction"

Rule 10b5-1 trading plan regulatory

"No Rule 10b5-1 trading plan is reported for this transaction"

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

disposition financial

"The transaction is coded as a disposition of 100 shares"

FAQ

What insider transaction did CURB director Otto Alexander report?

Otto Alexander reported a sale of 100 shares of Curbline Properties Corp. common stock on September 1, 2026, described as a sale in an open market or private transaction at $30.02 per share.

How many CURB shares does Otto Alexander hold after this Form 4 transaction?

After the reported transaction, Otto Alexander directly holds 6,808,182 shares of Curbline Properties Corp. common stock, according to the Form 4 data.

Was the CURB insider sale made under a Rule 10b5-1 trading plan?

No. The filing indicates that the Rule 10b5-1 checkbox is not affirmed, and there is no footnote stating that the sale was made pursuant to a Rule 10b5-1 trading plan.

What price per share did the CURB director receive in the reported sale?

The reported transaction price for the sale was $30.02 per share of Curbline Properties Corp. common stock, with price semantics indicating this is a per-share amount.

Is this CURB Form 4 transaction a buy or a sell?

The Form 4 reports a sale of common stock. The transaction is coded as a disposition and described as a sale in an open market or private transaction, with 100 shares sold on September 1, 2026.

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Available on EDGAR 09/03/2026 - 04:08 PM Accepted by SEC EDGAR 09/03/2026 - 04:05 PM Learn about SEC filing dates

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
Estimated average burden
hours per response:			0.5

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^*

Otto Alexander

(Last) (First) (Middle)

KG CURA VERMOGENSVERWALTUNG G.M.B.H.&CO.

SASELER DAMM 39 A

(Street)

HAMBURG GERMANY D-22395

(City) (State) (Zip)

GERMANY

(Country)

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
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/01/2026

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

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

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

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	09/01/2026		S		100	D	$30.02	6,808,182	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/ Frederic Arndts, managing director of KG CURA Vermogensverwaltung G.m.b.H. & Co., For: Alexander Otto	09/03/2026
	** 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.
* Form 4: SEC 1474 (03-26)