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  4. [Form 4] Curbline Properties Corp. Insider Trading Activity

Curbline Properties Corp. (CURB) director reports sale of 129,841 shares at about $29.8

Filing Impact
(Very High)
Filing Sentiment
(Negative)
Form Type
4

Rhea-AI Filing Summary

Curbline Properties Corp. director Otto Alexander reported two open-market sales of common stock. On August 6, 2026, he sold 109,366 shares at a weighted average price of $29.79, with trade prices between $29.75 and $30.46. On August 7, 2026, he sold 20,475 shares at a weighted average price of $29.76, with trade prices between $29.75 and $29.81. In total, 129,841 shares were sold, all as direct holdings.

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Insider Otto Alexander
Role Director
Sold 129,841 shs ($3.87M)
Type Security Shares Price Value
Sale Common Stock F1, F3 20,475 $29.76 $609K
Sale Common Stock F1, F2 109,366 $29.79 $3.26M
Holdings After Transaction: Common Stock — 7,643,162 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 $29.75 and $30.46.
  3. F3. Reflects the weighted average sale price. The range of prices for such transaction is between $29.75 and $29.81.
Shares sold 2026-08-06 109,366 shares Open-market sale of common stock at weighted average price
Price 2026-08-06 $29.79 per share Weighted average sale price; trade range $29.75–$30.46
Shares sold 2026-08-07 20,475 shares Open-market sale of common stock at weighted average price
Price 2026-08-07 $29.76 per share Weighted average sale price; trade range $29.75–$29.81
Total shares sold 129,841 shares Aggregate of reported open-market sales on August 6–7, 2026
weighted average sale price financial
"Reflects the weighted average sale price. The range of prices for such transaction"
open market sale transactions financial
"effected multiple same-way open market sale transactions on the same day at"
broker-dealer financial
"transactions on the same day at different prices 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.

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

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Form 4 Insider Transactions: What Each Field Means →

FAQ

What insider transactions did Curbline Properties Corp. (CURB) report in this Form 4?
Director Otto Alexander reported two open-market sales of Curbline Properties Corp. common stock, totaling 129,841 shares, executed on August 6 and 7, 2026, at weighted average prices around $29.79 and $29.76 per share.

How many CURB shares did Otto Alexander sell on August 6, 2026?
On August 6, 2026, Otto Alexander sold 109,366 CURB shares in open-market transactions at a weighted average price of $29.79 per share, with individual trade prices ranging from $29.75 to $30.46.

What was the size and price range of Otto Alexander’s CURB sale on August 7, 2026?
On August 7, 2026, Otto Alexander sold 20,475 CURB shares at a weighted average price of $29.76 per share, with individual trade prices ranging from $29.75 to $29.81, executed as open-market sales through a broker-dealer.

Were Otto Alexander’s CURB stock sales single trades or multiple trades grouped together?
Both reported sales aggregate multiple same-way open-market transactions executed through a broker-dealer. Each line reflects trades within a one-dollar price range, reported using a weighted average sale price for SEC disclosure purposes.

Does the Form 4 for CURB indicate whether these sales were under a Rule 10b5-1 plan?
The filing’s Rule 10b5-1 checkbox is not marked as an affirmative plan. The footnotes describe the sales as open-market brokered transactions, without specifying that they occurred under a pre-arranged trading plan.

How many Curbline Properties (CURB) shares did Otto Alexander sell in total in this Form 4?
Across both reported dates, Otto Alexander sold a total of 129,841 CURB common shares, comprising 109,366 shares on August 6, 2026, and 20,475 shares on August 7, 2026, all reported as directly held shares.
SEC Form 4
FORM 4UNITED 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)
HAMBURGGERMANYD-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)
XDirector10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
08/06/2026		6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
Common Stock08/06/2026S109,366D$29.79(1)(2)7,663,637D
Common Stock08/07/2026S20,475D$29.76(1)(3)7,643,162D
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount 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 $29.75 and $30.46.
3. Reflects the weighted average sale price. The range of prices for such transaction is between $29.75 and $29.81.
/s/ Frederic Arndts, managing director of KG CURA Vermogensverwaltung G.m.b.H. & Co., For: Alexander Otto08/10/2026
** Signature of Reporting PersonDate
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)

Source: View Original Filing on SEC EDGAR