Clearthink 1 Acquisition Corp. — EFFECT Filings

1 EFFECT filing on record

This page lists all EFFECT 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 1 EFFECT document 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
EFFECT	—	9999999995-26-000580	Feb 13, 2026	—