---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-26-042083"
form_type: "8-K"
ticker: "CSTAF"
cik: "0001834032"
company_name: "Constellation Acquisition Corp I"
filed_at: "2026-04-09T23:59:59+00:00"
generated_at: "2026-05-15T06:48:45.373234+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Constellation Acquisition Corp I to merge with HiTech Minerals at $500M equity value

## Summary
- Equity value of $500M; CSTA and HiTech merge via two-step merger, with HiTech as surviving subsidiary.
- Minimum cash condition of $14M must be met at closing; expected close in second half of 2026.
- Sponsor support agreement locks up shares for 12 months post-close and waives anti-dilution rights.
- Concurrent private placement: $1.55M convertible preferred purchased by Antarctica Capital affiliate, plus $2.5M commitment at close.
- Conversion price initially $1,000/share, subject to downward adjustment but floor at $7.50; dividend rate 12% PIK or 10% cash.

## SEC filing metadata
- accession: 0001213900-26-042083
- form_type: 8-K
- ticker: CSTAF
- cik: 0001834032
- company_name: Constellation Acquisition Corp I
- filed_at: 2026-04-09T23:59:59+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 1.01, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1834032/000121390026042083/0001213900-26-042083-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1834032/000121390026042083/ea0285714-8k425_constell1.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-26-042083
- JSON: https://secwatch.observer/filing/0001213900-26-042083.json
- Plain text: https://secwatch.observer/filing/0001213900-26-042083.txt

## Source-grounded claims
- claim_id: 1203130ccf55da6c34e1874eff725dee5e895090
  claim: Constellation Acquisition Corp I entered into Business Combination Agreement with HiTech Minerals Inc. valued at an equity value of $500 million (effective 2026-04-09).
  evidence_excerpt: On April 9, 2026, Constellation Acquisition Corp I, a Cayman Islands exempted company (“CSTA”), US Elemental Inc., a Delaware corporation (“PubCo”), CAC Merger Sub I LLC, a Delaware limited liability company and a direct wholly owned subsidiary of PubCo (“Merger Sub 1”), USE Merger Sub 2 Inc., a Nevada corporation (“Merger Sub 2”), and HiTech Minerals Inc., a Nevada corporation (“HiTech”), entered into a Business Combination Agreement (as it may be amended, supplemented or otherwise modified from time to time, the “Business Combination Agreement”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1834032/000121390026042083/0001213900-26-042083-index.htm

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