Curbline director sells 231,943 shares around $30

Director Otto Alexander of Curbline Properties Corp. reported two open-market sales of Common Stock.

Rhea-AI Filing Summary

Director Otto Alexander of Curbline Properties Corp. reported two open-market sales of Common Stock. On August 12, 2026, he sold 96,331 shares at a weighted average price of $30.06, with trade prices ranging from $30.00 to $30.13. On August 13, 2026, he sold 135,612 shares at a weighted average price of $30.15, with prices ranging from $30.00 to $30.42. The sales were executed through a broker-dealer and aggregated within one-dollar price ranges.

Insider Trade Summary

Net Seller: 231,943 shares

Net Sell 2 txns

Insider Otto Alexander

Role Director

Sold 231,943 shs ($6.98M)

Type	Security	Shares	Price	Value
Sale	Common Stock F1, F3	135,612	$30.15	$4.09M
Sale	Common Stock F1, F2	96,331	$30.06	$2.90M

Holdings After Transaction: Common Stock — 7,411,219 shares (Direct)

Footnotes (3)

1. F1. The reporting person effected multiple same-way open market sale transactions on the same day at different prices through a sale order executed by a broker-dealer. The reporting person reported on a single line all such transactions that occurred within a one dollar price range. The reporting person hereby undertakes to provide upon request by the SEC staff, the issuer, or a shareholder of the issuer, full information regarding the number of shares sold at each separate price.
2. F2. Reflects the weighted average sale price. The range of prices for such transaction is between $30.00 and $30.13.
3. F3. Reflects the weighted average sale price. The range of prices for such transaction is between $30.00 and $30.42.

Key Figures

Shares sold 2026-08-12: 96,331 shares Price 2026-08-12: $30.06 per share Shares sold 2026-08-13: 135,612 shares +2 more

5 metrics

Shares sold 2026-08-12 96,331 shares Open-market sale of common stock at weighted average price

Price 2026-08-12 $30.06 per share Weighted average sale price; range $30.00–$30.13

Shares sold 2026-08-13 135,612 shares Open-market sale of common stock at weighted average price

Price 2026-08-13 $30.15 per share Weighted average sale price; range $30.00–$30.42

Total shares sold 231,943 shares Aggregate of reported sales in this Form 4

Key Terms

weighted average sale price, open market sale transactions, Rule 10b5-1, broker-dealer

4 terms

weighted average sale price financial

"Reflects the weighted average sale price. The range of prices..."

open market sale transactions financial

"multiple same-way open market sale transactions on the same day..."

Rule 10b5-1 regulatory

"The reporting person affirms adoption of a Rule 10b5-1 trading plan..."

Rule 10b5-1 is a regulation that allows company insiders to buy or sell their shares at predetermined times, even if they have access to non-public information. It acts like setting a schedule in advance for transactions, helping prevent accusations of unfair trading. This rule provides a way for insiders to plan trades transparently, giving investors confidence that these transactions are not based on hidden information.

broker-dealer financial

"through a sale order executed by a broker-dealer..."

A broker-dealer is a licensed firm or individual that both executes trades on behalf of clients (acting as a broker) and buys or sells securities for its own account (acting as a dealer). Investors care because broker-dealers provide the plumbing of markets — they place orders, hold or move cash and securities, offer research or advice, and their stability and fees directly affect trade execution, costs, and the safety of client funds; think of them as a combined travel agent and taxi for your investments.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider sales did CURB director Otto Alexander report in this Form 4?

Otto Alexander reported two open-market sales of Curbline Properties Corp. common stock totaling 231,943 shares on August 12–13, 2026, executed through a broker-dealer at weighted average prices around $30 per share.

How many CURB shares did Otto Alexander sell on August 12, 2026?

On August 12, 2026, Otto Alexander sold 96,331 CURB common shares at a weighted average price of $30.06, with individual trade prices ranging between $30.00 and $30.13 per share.

What were the details of Otto Alexander’s CURB stock sale on August 13, 2026?

On August 13, 2026, he sold 135,612 CURB common shares at a weighted average price of $30.15. The filing states the trade prices ranged between $30.00 and $30.42 per share.

Were Otto Alexander’s CURB stock sales under a Rule 10b5-1 plan?

The Form 4 shows the Rule 10b5-1 checkbox as not checked, and the footnotes do not state that the sales were executed under a trading plan, so plan status is not indicated.

How many CURB shares in total did Otto Alexander sell in this Form 4?

Across both reported transactions, Otto Alexander sold a total of 231,943 CURB common shares, all reported as open-market or private sale transactions, according to the Form 4 transaction summary.

What do the weighted average sale price footnotes mean in the CURB Form 4?

The footnotes explain that the reported prices are weighted average sale prices for multiple same-way trades within a $1.00 range. Full details of shares sold at each price are available upon request.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 08/14/2026 - 04:45 PM EDT 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)
08/12/2026

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	08/12/2026		S		96,331	D	$30.06(1)(2)	7,546,831	D
Common Stock	08/13/2026		S		135,612	D	$30.15(1)(3)	7,411,219	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 reporting person effected multiple same-way open market sale transactions on the same day at different prices through a sale order executed by a broker-dealer. The reporting person reported on a single line all such transactions that occurred within a one dollar price range. The reporting person hereby undertakes to provide upon request by the SEC staff, the issuer, or a shareholder of the issuer, full information regarding the number of shares sold at each separate price.

2. Reflects the weighted average sale price. The range of prices for such transaction is between $30.00 and $30.13.

3. Reflects the weighted average sale price. The range of prices for such transaction is between $30.00 and $30.42.

	/s/ Frederic Arndts, managing director of KG CURA Vermogensverwaltung G.m.b.H. & Co., For: Alexander Otto	08/14/2026
	** 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)