Clearthink 1 Acquisition Corp. SEC filings CTAAU
Clearthink 1 Acquisition Corp. has 31 filings in SEC EDGAR's recent list, going back to Nov 18, 2025. Its latest annual report, Form 10-K, was filed on Mar 31, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 17, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Apr 13, 2026 (other events). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 10-Q | Quarterly report | Aug 17, 2026 | Jun 30, 2026 |
| NT 10-Q | Filing | Aug 17, 2026 | Jun 30, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Jul 20, 2026 | — |
| 10-Q | Quarterly report | May 15, 2026 | Mar 31, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | May 15, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | May 14, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | May 14, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | May 13, 2026 | — |
| 3 | Initial insider ownership | Apr 15, 2026 | Feb 25, 2026 |
| 8-K |
Current report
Other events
|
Apr 13, 2026 | Apr 13, 2026 |
| 3 | Initial insider ownership | Apr 10, 2026 | Feb 25, 2026 |
| 10-K | Annual report | Mar 31, 2026 | Dec 31, 2025 |
| 3 | Initial insider ownership | Mar 6, 2026 | Feb 25, 2026 |
| 3 | Initial insider ownership | Mar 6, 2026 | Feb 25, 2026 |
| 8-K/A | Amended current report | Mar 5, 2026 | Feb 25, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Mar 3, 2026 | — |
| 8-K |
Current report
Other events
|
Mar 3, 2026 | Feb 25, 2026 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Change to shareholder rights, Officer or director change, Bylaw or fiscal year change, Other events
|
Feb 27, 2026 | Feb 23, 2026 |
| 424B4 | Prospectus | Feb 25, 2026 | — |
| S-1MEF | Filing | Feb 23, 2026 | — |
| 8-A12B/A | Filing | Feb 23, 2026 | — |
| CERT | Filing | Feb 20, 2026 | — |
| 8-A12B | Filing | Feb 19, 2026 | — |
| EFFECT | Filing | Feb 13, 2026 | — |
| S-1/A | Amended registration statement | Feb 12, 2026 | — |
| S-1/A | Amended registration statement | Feb 11, 2026 | — |
| S-1 | Registration statement | Jan 26, 2026 | — |
| DRS | Filing | Nov 18, 2025 | — |
Showing 31 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
Company profile
- Industry
- Blank Checks (SIC 6770)
- Listed as
- CTAA (Nasdaq), CTAAR (Nasdaq), CTAAU (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- Cayman Islands
- Headquarters
- Boca Raton, FL
- SEC filer status
- Non-accelerated filer, Smaller reporting company, Emerging growth company
- SEC CIK
- 2094073
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.