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

Curbline insider sells 114K shares near $30

Curbline Properties Corp. (CURB) director Otto Alexander reported open market sales of common stock across three days.

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

Rhea-AI Filing Summary

Curbline Properties Corp. (CURB) director Otto Alexander reported open market sales of common stock across three days. On August 27, 2026 he sold 500 shares at a weighted average price of $30.00, on August 28 he sold 110,144 shares at a weighted average price of $30.11, and on August 31 he sold 3,600 shares at a weighted average price of $30.05. The prices reflect weighted averages for multiple same‑day trades within stated one‑dollar price ranges executed through a broker‑dealer.

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Insider Otto Alexander
Role Director
Sold 114,244 shs ($3.44M)
Type Security Shares Price Value
Sale Common Stock F1, F4 3,600 $30.05 $108K
Sale Common Stock F1, F3 110,144 $30.11 $3.32M
Sale Common Stock F1, F2 500 $30.00 $15K
Holdings After Transaction: Common Stock — 6,808,282 shares (Direct)
Footnotes (4)
  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 $30.02.
  3. F3. Reflects the weighted average sale price. The range of prices for such transaction is between $30.00 and $30.26.
  4. F4. Reflects the weighted average sale price. The range of prices for such transaction is between $30.00 and $30.12
Shares sold August 27, 2026 500 shares of Common Stock Open market sale at weighted average price with price range $30.00–$30.02
Weighted average price August 27, 2026 $30.00 per share Open market sale of 500 shares; weighted average within $30.00–$30.02 range
Shares sold August 28, 2026 110,144 shares of Common Stock Open market sales aggregated on a single line within a one‑dollar range
Weighted average price August 28, 2026 $30.11 per share Sales with individual prices between $30.00 and $30.26
Shares sold August 31, 2026 3,600 shares of Common Stock Open market sales aggregated within a one‑dollar price range
Weighted average price August 31, 2026 $30.05 per share Sales with individual prices between $30.00 and $30.12
Total shares sold in reported period 114,244 shares of Common Stock Sum of reported open market sales on August 27, 28, and 31, 2026
open market sale market
"multiple same-way open market sale transactions on the same day"
An open market sale is when a company or a shareholder sells shares through the regular stock market to any willing buyer, using ordinary exchange trading rather than private deals. It matters to investors because it increases the number of shares available and can push the price down or change ownership balance—think of it like someone putting extra items on a supermarket shelf for any shopper to buy, which can lower the item's price if supply suddenly grows.
weighted average sale price financial
"Reflects the weighted average sale price. The range of prices"
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.
price range financial
"transactions that occurred within a one dollar price range"

FAQ

What insider transactions did Otto Alexander report for CURB?
Otto Alexander reported three open market sales of Curbline Properties Corp. common stock on August 27, 28, and 31, 2026, totaling 114,244 shares sold at weighted average prices between $30.00 and $30.11, with each day aggregating multiple trades in narrow price ranges.

How many CURB shares did Otto Alexander sell on August 28, 2026?
On August 28, 2026, Otto Alexander sold 110,144 shares of Curbline Properties Corp. common stock in open market transactions at a weighted average sale price of $30.11, with individual trade prices ranging between $30.00 and $30.26.

What prices were received in Otto Alexander’s CURB stock sale on August 27, 2026?
On August 27, 2026, Otto Alexander sold 500 shares of CURB common stock at a weighted average sale price of $30.00. Individual trades that day occurred at prices ranging between $30.00 and $30.02, aggregated into a single reported line.

What was the sale price range for Otto Alexander’s CURB trades on August 31, 2026?
For the August 31, 2026 trades, Otto Alexander sold 3,600 shares of CURB common stock at a weighted average sale price of $30.05, with individual trade prices falling within a range of $30.00 to $30.12.

Were Otto Alexander’s CURB sales executed in the open market?
Yes. The Form 4 describes the transactions as open market sales executed through a broker-dealer, with multiple same‑way transactions on each day aggregated and reported within a one‑dollar price range for each group of trades.

Does the Form 4 state Otto Alexander’s remaining CURB shareholdings?
No. The reported transactions list the shares sold and weighted average prices, but the fields for total shares following the transactions are not filled in, so remaining holdings are not specified in this Form 4.

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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)
08/27/2026		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 Stock08/27/2026S500D$30(1)(2)6,922,026D
Common Stock08/28/2026S110,144D$30.11(1)(3)6,811,882D
Common Stock08/31/2026S3,600D$30.05(1)(4)6,808,282D
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 $30.00 and $30.02.
3. Reflects the weighted average sale price. The range of prices for such transaction is between $30.00 and $30.26.
4. Reflects the weighted average sale price. The range of prices for such transaction is between $30.00 and $30.12
/s/ Frederic Arndts, managing director of KG CURA Vermogensverwaltung G.m.b.H. & Co., For: Alexander Otto09/01/2026
** 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