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Curbline Properties Corp. (CURB) director reports sale of 173,057 shares

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

Rhea-AI Filing Summary

Curbline Properties Corp. director Otto Alexander reported open-market sales totaling 173,057 shares of Common Stock on August 4–5, 2026. The trades included 38,788 shares at a weighted average of $30.17 (price range $30.05–$30.28) and 134,269 shares at a weighted average of $30.11 (price range $30.06–$30.25), executed through a broker-dealer.

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Insider Otto Alexander
Role Director
Sold 173,057 shs ($5.21M)
Type Security Shares Price Value
Sale Common Stock F1, F3 134,269 $30.11 $4.04M
Sale Common Stock F1, F2 38,788 $30.17 $1.17M
Holdings After Transaction: Common Stock — 7,773,003 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 $30.05 and $30.28.
  3. F3. Reflects the weighted average sale price. The range of prices for such transaction is between $30.06 and $30.25.
Total shares sold 173,057 shares Aggregate Common Stock sales reported across August 4–5, 2026
Shares sold on 2026-08-04 38,788 shares Common Stock sold at weighted average price $30.17; price range $30.05–$30.28
Shares sold on 2026-08-05 134,269 shares Common Stock sold at weighted average price $30.11; price range $30.06–$30.25
Weighted average price 2026-08-04 $30.17 per share Non-derivative open-market Common Stock sales on August 4, 2026
Weighted average price 2026-08-05 $30.11 per share Non-derivative open-market Common Stock sales on August 5, 2026
open market sale transactions financial
"The reporting person effected multiple same-way open market sale transactions on the same day"
weighted average sale price financial
"Reflects the weighted average sale price. The range of prices for such transaction"
broker-dealer financial
"sale 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 did Curbline Properties Corp. (CURB) director Otto Alexander report on this Form 4?
Otto Alexander reported open-market sales of 173,057 Common Stock shares of Curbline Properties Corp. on August 4–5, 2026. The trades were executed through a broker-dealer and reported as non-derivative transactions at weighted average sale prices.

How many Curbline (CURB) shares did Otto Alexander sell on each trading day?
Alexander sold 38,788 shares of CURB Common Stock on August 4, 2026, and 134,269 shares on August 5, 2026. Both days’ transactions were reported as open-market sales grouped within one-dollar price ranges.

At what prices were Otto Alexander’s CURB shares sold according to the Form 4?
The August 4 sales had a weighted average price of $30.17 per share, with a range of $30.05–$30.28. The August 5 sales had a weighted average price of $30.11, with a range of $30.06–$30.25, all in open-market transactions.

Were Otto Alexander’s CURB share sales under a Rule 10b5-1 trading plan?
The Form 4’s Rule 10b5-1 checkbox is not marked, and the footnotes do not reference any trading plan. Based on this disclosure, the reported CURB share sales are not designated as pursuant to a Rule 10b5-1 trading arrangement.

What do the footnotes reveal about Otto Alexander’s CURB stock sale pricing?
Footnotes state each day’s CURB sales were multiple same-way open-market transactions grouped into a single line. The reported per-share prices are weighted averages, and the footnotes give specific price ranges and offer to provide full breakdowns on request.

Does the Form 4 disclose Otto Alexander’s remaining CURB holdings after these sales?
The non-derivative transaction rows do not report a post-transaction share balance for Alexander. The filing focuses on the 173,057 shares sold and the associated pricing details, without specifying his remaining Common Stock ownership.
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)
08/04/2026		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 Stock08/04/2026S38,788D$30.17(1)(2)7,907,272D
Common Stock08/05/2026S134,269D$30.11(1)(3)7,773,003D
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 $30.05 and $30.28.
3. Reflects the weighted average sale price. The range of prices for such transaction is between $30.06 and $30.25.
/s/ Frederic Arndts, managing director of KG CURA Vermogensverwaltung G.m.b.H. & Co., For: Alexander Otto08/06/2026
** 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