Columbus Circle Capital Corp III

We are a blank check company incorporated on July 11, 2025, as a Cayman Islands exempted company and formed for the purpose of effecting a merger, amalgamation, share exchange, asset acquisition, share purchase, reorganization or similar business combination with one or more businesses or entities, which we refer to throughout this prospectus as our initial business combination. We have not selected any business combination target and we have not, nor has anyone on our behalf, initiated any substantive discussions, directly or indirectly, with any business combination target. We may pursue an initial business combination in any business or industry.

Current securities

1. 10-Q filingAug 18, 2026
2. Other EventsJul 29, 2026
3. SCHEDULE 13D - filed by COLUMBUS CIRCLE 3 SPONSOR Corp LLC regarding Columbus Circle Capital Corp IIIJul 17, 2026
4. Other EventsJul 16, 2026
5. Entry into a Material Definitive Agreement · Unregistered Sales of Equity Securities · Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements · Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year · Other EventsJul 10, 2026