{"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","discovered_at":"2026-05-14T18:02:41.257458+00:00","generated_at":"2026-05-17T04:30:28.322594+00:00","sec_items":["1.01","2.03","3.02","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"confidence":"high","headline":"Eureka Acquisition Corp extends SPAC deadline by one month to Nov 3, 2025 via $150K sponsor deposit","bullets":["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."],"urls":{"canonical":"https://secwatch.observer/filing/0001213900-25-097021","json":"https://secwatch.observer/filing/0001213900-25-097021.json","markdown":"https://secwatch.observer/filing/0001213900-25-097021.md","text":"https://secwatch.observer/filing/0001213900-25-097021.txt","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"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T04:30:28.322594+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}