Clearthink 1 Acquisition Corp.

Clearthink 1 Acquisition Corp. is a blank-check special purpose acquisition company that filed its S-1 registration statement with the U.S. Securities and Exchange Commission on January 26, 2026, under the ticker symbol CTAAR. The filing marks the company's initial step toward completing a SPAC IPO in 2026, with the management team operating under the Clearthink sponsor umbrella. As of the S-1 filing date, the company had not yet disclosed a definitive target sector or acquisition candidate in the available public record, which is typical at the registration stage for early-vintage SPACs. Investors and analysts seeking the full prospectus details, management backgrounds, and deal-status updates can access comprehensive data on SpacDesk — sign up today for complete SPAC coverage.