---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-25-068230"
form_type: "8-K"
ticker: "CSTAF"
cik: "0001834032"
company_name: "Constellation Acquisition Corp I"
filed_at: "2025-07-28T23:59:59+00:00"
generated_at: "2026-05-18T00:23:34.310219+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Constellation Acquisition Corp I draws $5K on note to extend business combination deadline by one month

## Summary
- Drew $5,000 from unsecured promissory note with Constellation Sponsor LP to fund trust extension.
- Deposited funds into trust account to extend deadline from July 29, 2025 to August 29, 2025.
- This is the sixth of eleven permitted one-month extensions under company's amended articles.
- Note bears no interest, matures at closing of business combination; repayment only from non-trust assets if no combination.

## SEC filing metadata
- accession: 0001213900-25-068230
- form_type: 8-K
- ticker: CSTAF
- cik: 0001834032
- company_name: Constellation Acquisition Corp I
- filed_at: 2025-07-28T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 2.03
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1834032/000121390025068230/0001213900-25-068230-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1834032/000121390025068230/ea0250318-8k_constell1.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-25-068230
- JSON: https://secwatch.observer/filing/0001213900-25-068230.json
- Plain text: https://secwatch.observer/filing/0001213900-25-068230.txt

## Key facts
- Debt Financings
  Constellation Acquisition Corp I incurred loan of $5,000 with Constellation Sponsor LP at does not bear interest maturing upon closing of the Company’s initial business combination.
  - Instrument: loan
  - Principal: $5,000
  - Counterparty: Constellation Sponsor LP
  - Rate: does not bear interest
  - Maturity: upon closing of the Company’s initial business combination
  - Event: incurrence
  source text: On July 28, 2025, Constellation Acquisition Corp I (the “Company”) drew an aggregate of $5,000 (the “Extension Funds”), as approved by unanimous resolution of the extension committee of the Company’s board of directors, dated July 25, 2025, pursuant to the unsecured promissory note, dated January 30, 2024 between the Company and Constellation Sponsor LP (the “Note”)
  evidence_url: https://www.sec.gov/Archives/edgar/data/1834032/000121390025068230/0001213900-25-068230-index.htm

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