---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-26-002903"
form_type: "8-K"
ticker: "EURK"
cik: "0002000410"
company_name: "Eureka Acquisition Corp"
filed_at: "2026-01-09T23:59:59+00:00"
generated_at: "2026-05-16T11:07:05.121148+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Eureka Acquisition Corp extends business combination deadline to Feb 3, 2026 with sponsor note funding

## Summary
- On Jan 2, 2026, $150,000 deposited into trust account for one-month extension from Jan 3 to Feb 3, 2026.
- Sponsor Hercules Capital Management Corp paid extension fee and received $150,000 unsecured promissory note (Extension Note) on Jan 5, 2026.
- On Jan 6, 2026, company issued up to $300,000 working capital promissory note (Sponsor Note) to same sponsor for general working capital.
- Both notes bear no interest, are convertible into units at $10.00 per unit, and are repayable upon business combination or term expiry.
- Units consist of one Class A ordinary share and one right to acquire one-fifth of a share; conversion rights apply at closing of business combination.

## SEC filing metadata
- accession: 0001213900-26-002903
- form_type: 8-K
- ticker: EURK
- cik: 0002000410
- company_name: Eureka Acquisition Corp
- filed_at: 2026-01-09T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 1.01, 2.03, 3.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2000410/000121390026002903/0001213900-26-002903-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2000410/000121390026002903/ea0272414-8k_eureka.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-26-002903
- JSON: https://secwatch.observer/filing/0001213900-26-002903.json
- Plain text: https://secwatch.observer/filing/0001213900-26-002903.txt

## Key facts
- Debt Financings
  Eureka Acquisition Corp incurred loan of $150,000 with Hercules Capital Management Corp at no interest maturing upon the earlier to occur of (i) the consummation of the Company’s business combination or (ii) the date of expiry of the term of the Company.
  - Instrument: loan
  - Principal: $150,000
  - Counterparty: Hercules Capital Management Corp
  - Rate: no interest
  - Maturity: upon the earlier to occur of (i) the consummation of the Company’s business combination or (ii) the date of expiry of the term of the Company
  - Event: incurrence
  source text: The Company issued an unsecured promissory note in the aggregate principal amount of $150,000 (the “ Extension Note ”) dated January 5, 2026 to the Sponsor in connection with the payment of the Monthly Extension Fee.
  evidence_url: https://www.sec.gov/Archives/edgar/data/2000410/000121390026002903/0001213900-26-002903-index.htm
- Debt Financings
  Eureka Acquisition Corp incurred loan of up to $300,000 with Hercules Capital Management Corp at no interest maturing upon the earlier to occur of the Maturity Date.
  - Instrument: loan
  - Principal: up to $300,000
  - Counterparty: Hercules Capital Management Corp
  - Rate: no interest
  - Maturity: upon the earlier to occur of the Maturity Date
  - Event: incurrence
  source text: On January 6, 2026, the Company issued an unsecured promissory note (the “ Sponsor Note ”) in the principal amount of up to $300,000 to the Sponsor.
  evidence_url: https://www.sec.gov/Archives/edgar/data/2000410/000121390026002903/0001213900-26-002903-index.htm

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