Clearthink 1 Acquisition Corp.

Clearthink 1 Acquisition Corp., trading under the ticker CTAAR, is a blank-check company that submitted its Form 10-K annual report to the Securities and Exchange Commission on March 31, 2026, covering fiscal year 2025. The annual filing indicates the vehicle remains active in its search for an initial business combination and has not yet announced a definitive merger target as of the report date. Organized under the Clearthink sponsor umbrella, the SPAC continues to operate in deal-search mode, consistent with the timelines typical of post-IPO blank-check vehicles. For complete data on CTAAR — including sponsor background, target sector, and full filing history — sign up for access on SpacDesk.