Sec Form 4 Filing - COLUMBUS CIRCLE 1 SPONSOR Corp LLC @ Columbus Circle Capital Corp. I - 2025-05-19

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

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, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person COLUMBUS CIRCLE 1 SPONSOR Corp LLC 2. Issuer Name and Ticker or Trading Symbol Columbus Circle Capital Corp. I [ CCCM] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 3 COLUMBUS CIRCLE, 24TH FLOOR 3. Date of Earliest Transaction (MM/DD/YY) 05/19/2025 (Street) NEW YORK, NY10019 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) _____ Form filed by One Reporting Person __ X __ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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 Class A ordinary shares 05/19/2025 P 265,000 ( 4 ) A $ 10 8,598,333 ( 3 ) D ( 5 )

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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 7. Title and Amount of Underlying Securities (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 of Derivative Security: 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 Class B ordinary shares ( 1 ) 05/19/2025 J( 2 ) 100,000 ( 1 ) ( 1 ) Class A ordinary shares 100,000 $ 0 8,333,333 D ( 3 )

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other COLUMBUS CIRCLE 1 SPONSOR Corp LLC 3 COLUMBUS CIRCLE 24TH FLOOR NEW YORK, NY10019 X Cohen & Company, LLC 3 COLUMBUS CIRCLE 24TH FLOOR NEW YORK, NY10019 X Cohen & Co Inc. 3 COLUMBUS CIRCLE 24TH FLOOR NEW YORK, NY10019 X Signatures /s/ Cohen & Company, LLC, as managing member of Columbus Circle 1 Sponsor Corp LLC by Dennis Crilly, an authorized signatory 05/21/2025 Signature of Reporting Person Date /s/ Cohen & Company Inc., as a controlling entity of Cohen & Company, LLC by Dennis Crilly, an authorized signatory 05/21/2025 Signature of Reporting Person Date /s/ Cohen & Company Inc. by Dennis Crilly, an authorized signatory 05/21/2025 Signature of Reporting Person Date

Explanation of Responses:

( 1 )As described in the Issuer's registration statement on Form S-1 (File No. 333-286778) under the heading "Description of Securities--Founder Shares", the Class B ordinary shares will automatically convert into Class A ordinary shares at the time of the Issuer's initial business combination, or at any time and from time to time at the option of the holder, on a one-for-one basis, subject to adjustment for share sub-divisions, share dividends, reorganizations, recapitalizations and the like, and certain anti-dilution rights. ( 2 )As contemplated in connection with the initial public offering of Columbus Circle Capital Corp. I (the "Issuer"), 100,000 Class B ordinary shares were surrendered by Columbus Circle 1 Sponsor Corp LLC (the "Sponsor") to the Issuer for no consideration and cancelled because the underwriters' over-allotment option was not fully exercised by the underwriters. ( 3 )Cohen & Company, LLC ("Cohen LLC"), the managing member of the Sponsor, holds voting and investment discretion with respect to the securities held of record by the Sponsor. Cohen & Company Inc. ("Cohen") controls, through subsidiaries, the Sponsor. Each of Cohen and Cohen LLC disclaims any beneficial ownership of the securities held by the Sponsor other than to the extent of any pecuniary interest each of them may have therein, directly or indirectly. ( 4 )Reflects the 265,000 Class A ordinary shares of the Issuer that are included in the 265,000 private placement units of the Issuer purchased by the Sponsor. Each private placement unit was purchased for $10 per unit and consists of one Class A ordinary share and one-half of a warrant, each whole warrant exercisable into one Class A ordinary share at an exercise price of $11.50 per ordinary share. ( 5 )Represents (i) the 265,000 Class A ordinary shares referred to in footnote 5 and (ii) 8,333,333 Class B ordinary shares held by the Sponsor acquired pursuant to a subscription agreement by and between the Issuer and the Sponsor.

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