---
schema_version: "secwatch.filing_event.v1"
accession: "0001493152-26-008334"
form_type: "8-K"
ticker: "CTAA"
cik: "0002094073"
company_name: "Clearthink 1 Acquisition Corp."
filed_at: "2026-02-27T23:59:59+00:00"
generated_at: "2026-05-15T23:16:25.582964+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# ClearThink 1 Acquisition Corp. closes $125M IPO, units trade on Nasdaq

## Summary
- IPO of 12,500,000 units at $10.00/unit for $125M gross proceeds; units began trading Feb 24 under CTAAU.
- Private placement of 315,000 units to sponsor at $10/unit for $3.15M.
- Underwriters partially exercised over-allotment for 15,000 units on Feb 26, adding $150,000.
- Total of $125M + private placement proceeds deposited in trust account at Citibank, held by Equiniti Trust.
- Company to focus on financial services sector for initial business combination.

## SEC filing metadata
- accession: 0001493152-26-008334
- form_type: 8-K
- ticker: CTAA
- cik: 0002094073
- company_name: Clearthink 1 Acquisition Corp.
- filed_at: 2026-02-27T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 1.01, 9.01, 3.02, 3.03, 5.03, 5.02, 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2094073/000149315226008334/0001493152-26-008334-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2094073/000149315226008334/form8-k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001493152-26-008334
- JSON: https://secwatch.observer/filing/0001493152-26-008334.json
- Plain text: https://secwatch.observer/filing/0001493152-26-008334.txt

## Source-grounded claims
- claim_id: 827bdbedeb8b30ce7d15ef4fa3ef9a9bf6737fee
  claim: Clearthink 1 Acquisition Corp.: Company adopted Amended and Restated Memorandum and Articles of Association in connection with IPO (effective 2026-02-24).
  evidence_excerpt: On February 24, 2026, in connection with the IPO, the Company adopted its Amended and Restated Memorandum and Articles of Association
  evidence_url: https://www.sec.gov/Archives/edgar/data/2094073/000149315226008334/0001493152-26-008334-index.htm
- claim_id: 3ef84a4b373150cdf28a5abf1b7f63ad900a2248
  claim: Clearthink 1 Acquisition Corp. entered into Insider Letter Agreement with ClearThink 1 Sponsor LLC valued at Agreement with sponsor, officers, directors, and underwriter regarding lock-up and other obligations (effective 2026-02-25).
  evidence_excerpt: An Insider Letter Agreement, dated February 25, 2026, by and between the Company and ClearThink 1 Sponsor LLC (the “Sponsor”), each of its officers and directors, and DBC, a copy of which is attached as Exhibit 10.1 hereto and incorporated herein by reference (the “Insider Letter Agreement”);
  evidence_url: https://www.sec.gov/Archives/edgar/data/2094073/000149315226008334/0001493152-26-008334-index.htm
- claim_id: 45f2caeedb1540a5888657d189d40259d35620d4
  claim: Clearthink 1 Acquisition Corp. entered into Registration Rights Agreement with ClearThink 1 Sponsor LLC and certain other security holders valued at Registration rights granted to sponsor and certain security holders. (effective 2026-02-25).
  evidence_excerpt: A Registration Rights Agreement, dated February 25, 2026, by and among the Company, the Sponsor and certain other security holders named therein, a copy of which is attached as Exhibit 10.2 hereto and incorporated herein by reference;
  evidence_url: https://www.sec.gov/Archives/edgar/data/2094073/000149315226008334/0001493152-26-008334-index.htm
- claim_id: 4680367714dbf85badd6440e88d320eda7c8459d
  claim: Clearthink 1 Acquisition Corp. entered into Rights Agreement with VStock Transfer, LLC valued at Agreement governing rights attached to Units, each right entitling holder to receive one-fifth of an (effective 2026-02-25).
  evidence_excerpt: A Rights Agreement, dated February 25, 2026, by and between the Company and VStock Transfer, LLC, as rights agent, a copy of which includes the form of rights certificate, is attached as Exhibit 4.1 hereto and incorporated herein by reference;
  evidence_url: https://www.sec.gov/Archives/edgar/data/2094073/000149315226008334/0001493152-26-008334-index.htm
- claim_id: 7e2b453c9ea6c8575cda7688f51b2949c4735064
  claim: Clearthink 1 Acquisition Corp. entered into Underwriting Agreement with D. Boral Capital LLC valued at IPO of 12,500,000 units at $10.00 per unit, gross proceeds $125,000,000 (effective 2026-02-23).
  evidence_excerpt: An Underwriting Agreement, dated February 23, 2026, by and between the Company and D. Boral Capital LLC (“DBC”), acting as representative of the underwriters named therein, which contains customary representations and warranties and indemnification of the underwriters by the Company and is attached as Exhibit 1.1 hereto and incorporated herein by reference;
  evidence_url: https://www.sec.gov/Archives/edgar/data/2094073/000149315226008334/0001493152-26-008334-index.htm
- claim_id: bc5fab52af240843fb42dcd79f99093d8bde0426
  claim: Clearthink 1 Acquisition Corp. entered into Administrative Services Agreement with ClearThink 1 Sponsor LLC valued at Agreement for administrative services provided by sponsor to the company. (effective 2026-02-25).
  evidence_excerpt: An Administrative Services Agreement, dated February 25, 2026, by and between the Company and the Sponsor, a copy of which is attached as Exhibit 10.4 hereto and incorporated herein by reference;
  evidence_url: https://www.sec.gov/Archives/edgar/data/2094073/000149315226008334/0001493152-26-008334-index.htm
- claim_id: c1ceb6fac123d5a17a3fdd81feb3edbf3671051f
  claim: Clearthink 1 Acquisition Corp. entered into Investment Management Trust Agreement with Equiniti Trust Company, LLC valued at Trust agreement for proceeds from IPO held in trust until business combination. (effective 2026-02-25).
  evidence_excerpt: An Investment Management Trust Agreement, dated February 25, 2026, by and between the Company and Equiniti Trust Company, LLC, as trustee, a copy of which is attached as Exhibit 10.3 hereto and incorporated herein by reference;
  evidence_url: https://www.sec.gov/Archives/edgar/data/2094073/000149315226008334/0001493152-26-008334-index.htm

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