Clearthink 1 Acquisition Corp. — S-1/A Filings

2 S-1/A filings on record

This page lists all S-1/A filings submitted to the SEC by Clearthink 1 Acquisition Corp. (CTAAU), sorted by most recent first. Each row links to the full filing on EdgarLookup. Clearthink 1 Acquisition Corp. has filed 2 S-1/A documents with the SEC since 2025. To view all SEC filings by Clearthink 1 Acquisition Corp., see the full filings list.

Overview All Filings Financials Insiders

All 3 424B4 8-A12B 8-A12B/A 8-K 8-K/A CERT DRS EFFECT S-1 S-1/A S-1MEF SCHEDULE 13G

Form	Description	Accession Number	Filed	Period
S-1/A	S-1/A	0001493152-26-006354	Feb 12, 2026	—
S-1/A	S-1/A	0001493152-26-006065	Feb 11, 2026	—