---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-25-119218"
form_type: "8-K"
ticker: "EURK"
cik: "0002000410"
company_name: "Eureka Acquisition Corp"
filed_at: "2025-12-08T23:59:59+00:00"
generated_at: "2026-05-16T14:07:24.111870+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# Eureka Acquisition Corp extends business combination deadline to Jan 3, 2026 with sponsor's $150k loan

## Summary
- Sponsor deposited $150,000 into trust to extend deadline by one month from Dec 3, 2025 to Jan 3, 2026.
- Company issued unsecured promissory note for $150,000 to sponsor, bearing no interest, convertible into units at $10.00 per unit.
- Note payable upon consummation of business combination or term expiry; conversion optional at sponsor's election.
- Sponsor waives claims against trust account; note repayable only from non-trust funds if no business combination occurs.

## SEC filing metadata
- accession: 0001213900-25-119218
- form_type: 8-K
- ticker: EURK
- cik: 0002000410
- company_name: Eureka Acquisition Corp
- filed_at: 2025-12-08T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 1.01, 2.03, 3.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2000410/000121390025119218/0001213900-25-119218-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2000410/000121390025119218/ea0268477-8k_eureka.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-25-119218
- JSON: https://secwatch.observer/filing/0001213900-25-119218.json
- Plain text: https://secwatch.observer/filing/0001213900-25-119218.txt

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