Clearthink 1 Acquisition Corp.

Clearthink 1 Acquisition Corp. (Nasdaq: CTAAR) is a blank check company organized to identify and complete a business combination with a target in an undisclosed sector. The company filed an amended current report on Form 8-K/A with the Securities and Exchange Commission on March 5, 2026, under accession number 0001493152-26-009010, updating previously submitted disclosures. As of the filing date, CTAAR remains in the search phase as a special purpose acquisition company navigating its post-IPO window. Investors and analysts tracking SPAC deal flow, sponsor activity, and filing history for Clearthink 1 and hundreds of comparable vehicles can sign up for full data access at SpacDesk.