---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-25-036831"
form_type: "8-K"
ticker: "CSTAF"
cik: "0001834032"
company_name: "Constellation Acquisition Corp I"
filed_at: "2025-04-29T23:59:59+00:00"
generated_at: "2026-05-23T04:08:52.835234+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.2
calibrated_materiality_score: 0.2
confidence: "high"
source: SEC EDGAR
---

# Constellation Acquisition Corp I draws $5,000 to extend business combination deadline to May 29, 2025

## Summary
- Drew $5,000 from sponsor note to extend business combination deadline by one month to May 29, 2025.
- Extension is the third of eleven permitted one-month extensions under amended charter.
- Note is unsecured, non-interest bearing, matures upon business combination; repayment only from funds outside trust if no deal.
- Funds deposited into trust account for public shareholders.

## SEC filing metadata
- accession: 0001213900-25-036831
- form_type: 8-K
- ticker: CSTAF
- cik: 0001834032
- company_name: Constellation Acquisition Corp I
- filed_at: 2025-04-29T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.2
- calibrated_materiality_score: 0.2
- confidence: high
- sec_items: 2.03
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1834032/000121390025036831/0001213900-25-036831-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1834032/000121390025036831/ea0239854-8k_constellation1.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-25-036831
- JSON: https://secwatch.observer/filing/0001213900-25-036831.json
- Plain text: https://secwatch.observer/filing/0001213900-25-036831.txt

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