---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-25-097021"
form_type: "8-K"
ticker: "EURK"
cik: "0002000410"
company_name: "Eureka Acquisition Corp"
filed_at: "2025-10-07T23:59:59+00:00"
generated_at: "2026-05-17T04:30:28.322594+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Eureka Acquisition Corp extends SPAC deadline by one month to Nov 3, 2025 via $150K sponsor deposit

## Summary
- Sponsor Hercules Capital deposited $150,000 into trust account to extend deadline from Oct 3 to Nov 3, 2025.
- Company issued unsecured promissory note for $150,000 to sponsor; note bears no interest, convertible into private units at $10/unit.
- Repayment from non-trust funds only if no business combination; note may be converted into units upon closing of a deal.
- Extension is the first of up to nine monthly extensions available, each requiring $150,000 deposit.

## SEC filing metadata
- accession: 0001213900-25-097021
- form_type: 8-K
- ticker: EURK
- cik: 0002000410
- company_name: Eureka Acquisition Corp
- filed_at: 2025-10-07T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 1.01, 2.03, 3.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2000410/000121390025097021/0001213900-25-097021-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2000410/000121390025097021/ea0260520-8k_eureka.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-25-097021
- JSON: https://secwatch.observer/filing/0001213900-25-097021.json
- Plain text: https://secwatch.observer/filing/0001213900-25-097021.txt

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