---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-26-012211"
form_type: "8-K"
ticker: "EURK"
cik: "0002000410"
company_name: "Eureka Acquisition Corp"
filed_at: "2026-02-04T23:59:59+00:00"
generated_at: "2026-05-16T05:05:27.172489+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.25
calibrated_materiality_score: 0.25
confidence: "high"
source: SEC EDGAR
---

# Eureka Acquisition Corp extends business combination deadline to March 3, 2026 with $150k sponsor note

## Summary
- Sponsor deposited $150k into trust account to extend deadline one month from Feb 3 to March 3, 2026.
- Company issued unsecured promissory note of $150k to sponsor; no interest, convertible into units at $10/unit upon business combination.
- Extension note payable upon consummation of business combination or expiry of company term.
- If no business combination, note repaid only from amounts outside trust account.
- Note issued under Section 4(a)(2) exemption; unregistered.

## SEC filing metadata
- accession: 0001213900-26-012211
- form_type: 8-K
- ticker: EURK
- cik: 0002000410
- company_name: Eureka Acquisition Corp
- filed_at: 2026-02-04T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.25
- calibrated_materiality_score: 0.25
- confidence: high
- sec_items: 1.01, 2.03, 3.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2000410/000121390026012211/0001213900-26-012211-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2000410/000121390026012211/ea0275529-8k_eureka.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-26-012211
- JSON: https://secwatch.observer/filing/0001213900-26-012211.json
- Plain text: https://secwatch.observer/filing/0001213900-26-012211.txt

## Key facts
- Debt Financings
  Eureka Acquisition Corp incurred loan of $150,000 with Hercules Capital Management Corp at bears no interest maturing 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: bears no interest
  - Maturity: 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 February 4, 2026 to the Sponsor in connection with the payment of the Monthly Extension Fee.
  evidence_url: https://www.sec.gov/Archives/edgar/data/2000410/000121390026012211/0001213900-26-012211-index.htm

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