Private Placement	12 Months Ended
Dec. 31, 2025
Product Warranties Disclosures [Abstract]
Private Placement	Note 4 — Private Placement Simultaneously with the closing of the Initial Public Offering, the Sponsor, and the Representatives purchased an aggregate of 665,000 Private Placement Units at a price of $10.00 per Private Placement Unit. Of the 665,000 Private Placement Units, the Sponsor purchased 265,000 Private Placement Units and the Representatives purchased 400,000 Private Placement Units. Each Unit consists of one Public Share and one-third of one warrant (each, a “Private Placement Warrant”). Each Private Placement Warrant entitles the holder to purchase one Class A Ordinary Share at a price of $11.50 per shares, subject to adjustments. Each warrant will become exercisable 30 days after the completion of the Initial Business Combination and will not expire except upon liquidation. If the Initial Business Combination is not completed within the Completion Window, the proceeds from the sale of the Private Placement Units held in the Trust Account will be used to fund the redemption of the Public Shares (subject to the requirements of applicable law). The Private Placement Warrants contained in the Private Placement Units will be identical to the warrants sold in the Initial Public Offering except, the Private Placement Warrants (i) may not (including the Class A Ordinary Shares issuable upon exercise of these warrants), subject to certain limited exceptions, be transferred, assigned or sold by the holders until 30 days after the completion of the initial Business Combination, (ii) will be entitled to registration rights and (iii) with respect to Private Placement Warrants held by CCM, Clear Street and their designees, will not be exercisable more than five years from the commencement of sales in our Initial Public Offering in accordance with Financial Industry Regulatory Authority Rule 5110(g)(8). The Sponsor, officers and directors have entered into a letter agreement with the Company, pursuant to which they have agreed to (i) waive their redemption rights with respect to their Founder Shares and Public Shares in connection with the completion of the initial Business Combination or an earlier redemption in connection with the commencement of the procedures to consummate the initial Business Combination if the Company determines it is desirable to facilitate the completion of the initial Business Combination; (ii) waive their redemption rights with respect to their Founder Shares and Public Shares in connection with a shareholder vote to approve an amendment to the Company’s Amended and Restated Articles prior to the consummation of a Business Combination (A) to modify the substance or timing of the Company’s obligation to allow redemption in connection with the initial Business Combination or to redeem 100% of the Public Shares if the Company has not consummated an initial Business Combination within the Completion Window or (B) with respect to any other material provisions relating to the rights of holders of Class A Ordinary Shares or pre-initial Business Combination activity; (iii) waive their rights to liquidating distributions from the Trust Account with respect to their Founder Shares if the Company fails to complete the initial Business Combination within the Completion Window, although they will be entitled to liquidating distributions from the Trust Account with respect to any Public Shares they hold if the Company fails to complete the initial Business Combination within the Completion Window and to liquidating distributions from assets outside the Trust Account; and (iv) vote any Founder Shares held by them and any Public Shares purchased during or after the Initial Public Offering (including in open market and privately negotiated transactions) in favor of the initial Business Combination.

Private Placement

12 Months Ended

Dec. 31, 2025

Product Warranties Disclosures [Abstract]

Note 4 — Private Placement

Simultaneously with the closing of the Initial Public Offering, the Sponsor, and the Representatives purchased an aggregate of 665,000 Private Placement Units at a price of $10.00 per Private Placement Unit. Of the 665,000 Private Placement Units, the Sponsor purchased 265,000 Private Placement Units and the Representatives purchased 400,000 Private Placement Units. Each Unit consists of one Public Share and one-third of one warrant (each, a “Private Placement Warrant”). Each Private Placement Warrant entitles the holder to purchase one Class A Ordinary Share at a price of $11.50 per shares, subject to adjustments. Each warrant will become exercisable 30 days after the completion of the Initial Business Combination and will not expire except upon liquidation. If the Initial Business Combination is not completed within the Completion Window, the proceeds from the sale of the Private Placement Units held in the Trust Account will be used to fund the redemption of the Public Shares (subject to the requirements of applicable law).

The Private Placement Warrants contained in the Private Placement Units will be identical to the warrants sold in the Initial Public Offering except, the Private Placement Warrants (i) may not (including the Class A Ordinary Shares issuable upon exercise of these warrants), subject to certain limited exceptions, be transferred, assigned or sold by the holders until 30 days after the completion of the initial Business Combination, (ii) will be entitled to registration rights and (iii) with respect to Private Placement Warrants held by CCM, Clear Street and their designees, will not be exercisable more than five years from the commencement of sales in our Initial Public Offering in accordance with Financial Industry Regulatory Authority Rule 5110(g)(8).

The Sponsor, officers and directors have entered into a letter agreement with the Company, pursuant to which they have agreed to (i) waive their redemption rights with respect to their Founder Shares and Public Shares in connection with the completion of the initial Business Combination or an earlier redemption in connection with the commencement of the procedures to consummate the initial Business Combination if the Company determines it is desirable to facilitate the completion of the initial Business Combination; (ii) waive their redemption rights with respect to their Founder Shares and Public Shares in connection with a shareholder vote to approve an amendment to the Company’s Amended and Restated Articles prior to the consummation of a Business Combination (A) to modify the substance or timing of the Company’s obligation to allow redemption in connection with the initial Business Combination or to redeem 100% of the Public Shares if the Company has not consummated an initial Business Combination within the Completion Window or (B) with respect to any other material provisions relating to the rights of holders of Class A Ordinary Shares or pre-initial Business Combination activity; (iii) waive their rights to liquidating distributions from the Trust Account with respect to their Founder Shares if the Company fails to complete the initial Business Combination within the Completion Window, although they will be entitled to liquidating distributions from the Trust Account with respect to any Public Shares they hold if the Company fails to complete the initial Business Combination within the Completion Window and to liquidating distributions from assets outside the Trust Account; and (iv) vote any Founder Shares held by them and any Public Shares purchased during or after the Initial Public Offering (including in open market and privately negotiated transactions) in favor of the initial Business Combination.

Columbus Circle Capital Corp II 10-K