Insider filing report for Changes in Beneficial Ownership
- Schedule 13G & 13D forms are used to report a party's ownership of stock which exceeds 5% of a company's total stock issue.
- Schedule 13G is a shorter version of Schedule 13D with fewer reporting requirements.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
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- Peter Lynch
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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549 |
SCHEDULE 13D
Under the Securities Exchange Act of 1934
(Amendment No. 1)*
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Curbline Properties Corp. (Name of Issuer) |
Common Stock, par value $0.01 per share (Title of Class of Securities) |
23128Q101 (CUSIP Number) |
Julie A. Mediamolle Alston & Bird LLP, 950 F Street, N.W. Washington, DC, 20004 202-239-3702 (Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications) |
08/12/2026 (Date of Event Which Requires Filing of This Statement) |
If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box.
The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the
Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other
provisions of the Act (however, see the Notes).
SCHEDULE 13D
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| CUSIP No. | 23128Q101 |
| 1 |
Name of reporting person
Alexander Otto | ||||||||
| 2 | Check the appropriate box if a member of a Group (See Instructions)
(a)
(b)
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| 3 | SEC use only | ||||||||
| 4 |
Source of funds (See Instructions)
WC, PF | ||||||||
| 5 |
Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)
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| 6 | Citizenship or place of organization
GERMANY
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| Number of Shares Beneficially Owned by Each Reporting Person With: |
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| 11 | Aggregate amount beneficially owned by each reporting person
7,411,219.00 | ||||||||
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)
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| 13 | Percent of class represented by amount in Row (11)
6.4 % | ||||||||
| 14 | Type of Reporting Person (See Instructions)
IN |
Comment for Type of Reporting Person:
The calculation of the percentage of the class beneficially owned by the reporting person is based on 115,038,025 shares of common stock outstanding as of July 22, 2026, as reported in the Issuer's Quarterly Report on Form 10-Q, filed with the SEC on July 29, 2026.
SCHEDULE 13D
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| Item 1. | Security and Issuer | |
| (a) | Title of Class of Securities:
Common Stock, par value $0.01 per share | |
| (b) | Name of Issuer:
Curbline Properties Corp. | |
| (c) | Address of Issuer's Principal Executive Offices:
320 Park Avenue, New York City,
NEW YORK
, 10022. | |
Item 1 Comment:
This Amendment No. 1 ("Amendment No. 1") amends and supplements the Schedule 13D filed on October 8, 2024 (as amended, the "Schedule 13D") by Alexander Otto. Information reported in the Schedule 13D remains in effect except to the extent that it is amended, restated or superseded by information contained in this Amendment No. 1. Capitalized terms used and not defined in this Amendment No. 1 have the meanings set forth in the Schedule 13D. | ||
| Item 5. | Interest in Securities of the Issuer | |
| (a) | The information contained in Item 5(a) of the Schedule 13D is hereby amended and supplemented as follows: The Reporing Person beneficially owns 7,411,219 shares of Common Stock, representing 6.4% of the Issuer's outstanding Common Stock (based on 115,038,025 shares of Common Stock outstanding as of July 22, 2026, as reported in the Issuer's Quarterly Report on Form 10-Q, filed with the SEC on July 29, 2026). | |
| (b) | With respect to any rights or powers to vote, or to direct the vote of, or to dispose of, or to direct the disposition of, the Common Stock referenced in paragraph 5(a), Mr. Otto has sole voting power and sole dispositive power with regard to 7,411,219 shares of Common Stock. | |
| (c) | Other than as set forth below, the Reporting Person has not effected any transactions in the Common Stock in the last sixty days. Transaction Date Transaction Type Number of Shares Purchase Price August 4, 2026 Open Market Sale 38,788 $30.17 (1) August 5, 2026 Open Market Sale 134,269 $30.11 (2) August 6, 2026 Open Market Sale 109,366 $29.79 (3) August 7, 2026 Open Market Sale 20,475 $29.76 (4) August 12, 2026 Open Market Sale 96,311 $30.06 (5) August 13, 2026 Open Market Sale 135,612 $30.15 (6) (1) Reflects the weighted average sale price. The range of prices for such transaction is between $30.05 and $30.28. (2) Reflects the weighted average sale price. The range of prices for such transaction is between $30.06 and $30.25. (3) Reflects the weighted average sale price. The range of prices for such transaction is between $29.75 and $30.46. (4) Reflects the weighted average sale price. The range of prices for such transaction is between $29.75 and $29.81. (5) Reflects the weighted average sale price. The range of prices for such transaction is between $30.00 and $30.13. (6) Reflects the weighted average sale price. The range of prices for such transaction is between $30.00 and $30.42. | |
| (d) | To the best knowledge of the Reporting Person, no person other than the Reporting Person has the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, the securities beneficially owned by the Reporting Person identified in this Item 5. | |
| (e) | Not applicable. | |
| SIGNATURE | |
After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.
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