FORM 10-Q (Mark One)☒QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2026 or Commission File Number:001-43112 COLUMBUS CIRCLE CAPITAL CORP II(Exact name of registrant as specified in its charter) Not Applicable(Former name, former address and former fiscal year, if changed since last report) Indicate by check mark whether the registrant (1)has filed all reports required to be filed by Section13 or 15(d)of the SecuritiesExchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports),and (2)has been subject to such filing requirements for the past 90 days.Yes☒No☐ Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submittedpursuant to Rule405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that theregistrant was required to submit such files). Yes☒No☐ Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smallerreporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smallerreporting company,” and “emerging growth company” in Rule12b-2 of the Exchange Act. Accelerated filer☐Smaller reporting company☒Emerging growth company☒ Large accelerated filer☐Non-accelerated filer☒ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period forcomplying with any new or revised financial accounting standards provided pursuant to Section13(a)of the Exchange Act.☐ Indicate by check mark whether the registrant is a shell company (as defined in Rule12b-2 of the Exchange Act). Yes☒No☐ As of May 14, 2026, there were 23,665,000 Class A Ordinary Shares, par value $0.0001 per share, and 7,666,667 Class B OrdinaryShares, par value $0.0001 per share, of the registrant issued and outstanding. COLUMBUS CIRCLE CAPITAL CORP II FORM 10-Q FOR THE QUARTERLY PERIOD ENDED MARCH 31, 2026 TABLE OF CONTENTS PagePART I – FINANCIAL INFORMATION1Item 1.Financial Statements.1Condensed Balance Sheets as of March 31, 2026 (Unaudited) and December 31, 20251Unaudited Condensed Statement of Operations for the Three Months Ended March 31, 20262Unaudited Condensed Statement of Changes in Shareholders’ Equity (Deficit) for the Three Months EndedMarch 31, 20263Unaudited Condensed Statement of Cash Flows for the Three Months Ended March 31, 20264Notes to Unaudited Condensed Financial Statements5Item 2.Management’s Discussion and Analysis of Financial Condition and Results of Operations.19Item 3.Quantitative and Qualitative Disclosures About Market Risk.23Item 4.Controls and Procedures.23PART II – OTHER INFORMATION24Item 1.Legal Proceedings.24Item 1A.Risk Factors.24Item 2.Unregistered Sales of Equity Securities and Use of Proceeds.25Item 3.Defaults Upon Senior Securities.25Item 4.Mine Safety Disclosures.25Item 5.Other Information.26Item 6.Exhibits.26SIGNATURES27 Unless otherwise stated in this Report (as defined below), or the context otherwise requires, references to: ●“2025 Annual Report” are to our Annual Report on Form 10-K for the fiscal year ended December 31, 2025, as filed with theSEC (as defined below) on March 30, 2026;●“Administrative Services Agreement” are to the Administrative Services Agreement, dated February 10, 2026, which weentered into with an affiliate of our Sponsor (as defined below);●“Amended and Restated Articles” are to our Amended and Restated Memorandum and Articles of Association, as currently ineffect;●“ASC” are to the FASB (as defined below) Accounting Standards Codification;●“ASU” are to the FASB Accounting Standards Update;●“Audit Committee” are to the audit committee of our Board of Directors (as defined below);●“Board of Directors” or “Board” are to our board of directors;●“Business Combination” are to a merger, amalgamation, share exchange, asset acquisition, share purchase, reorganization orsimilar business combination with one or more businesses;●“Business Combination Marketing Agreement” are to the Business Combination Marketing Agreement, dated February 10,2025 between us and the Representatives;●“Business Combination Marketing Fee” are to the fee payable upon our Business Combination, pursuant to the BusinessCombination Marketing Agreement to the Representatives (as defined below) in the amount of $9,800,000, subject to certainadjustments;●“Certifying Officers” are to our Chief Executive Officer and Chief Financial Officer, together;●“CCM” are to Cohen & Company Capital Markets, a division of Cohen & Company Securities, LLC, a representative of theUnderwriters (as defined below), itself an affiliate of Cohen;●“CCS” or “Cohen & Company Securities, LLC” are to Cohen & Company Securities, LLC, an indirect subsidiary of CohenLLC; CCM is




