---
schema_version: "secwatch.filing_event.v1"
accession: "0001493152-26-016327"
form_type: "8-K"
ticker: "CTAA"
cik: "0002094073"
company_name: "Clearthink 1 Acquisition Corp."
filed_at: "2026-04-13T23:59:59+00:00"
generated_at: "2026-05-15T06:38:23.898416+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.15
calibrated_materiality_score: 0.15
confidence: "high"
source: SEC EDGAR
---

# ClearThink 1 Acquisition Corp. announces separate trading of Class A shares and rights starting April 16

## Summary
- Public units (CTAAU) may be separated into Class A shares (CTAA) and rights (CTAAR) effective April 16, 2026.
- Unseparated units continue trading under CTAAU; shares and rights will trade on Nasdaq.
- Holders must contact VStock Transfer through their brokers to separate units.
- Each unit consists of one Class A share and one right to receive one-fifth of a share upon business combination.

## SEC filing metadata
- accession: 0001493152-26-016327
- form_type: 8-K
- ticker: CTAA
- cik: 0002094073
- company_name: Clearthink 1 Acquisition Corp.
- filed_at: 2026-04-13T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.15
- calibrated_materiality_score: 0.15
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2094073/000149315226016327/0001493152-26-016327-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2094073/000149315226016327/form8-k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001493152-26-016327
- JSON: https://secwatch.observer/filing/0001493152-26-016327.json
- Plain text: https://secwatch.observer/filing/0001493152-26-016327.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.