{"schema_version":"secwatch.filing_event.v1","accession":"0001213900-25-084509","form_type":"8-K","ticker":"EURK","cik":"0002000410","company_name":"Eureka Acquisition Corp","filed_at":"2025-09-04T23:59:59+00:00","discovered_at":"2026-05-14T18:02:45.791831+00:00","generated_at":"2026-05-17T08:22:23.776741+00:00","sec_items":["1.01","2.03","3.02","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"Eureka Acquisition extends business combination deadline to Oct 3, 2025 via $150K sponsor note","bullets":["Sponsor Hercules Capital deposited $150K into trust account to extend deadline one month to October 3, 2025.","Company issued $150K unsecured promissory note to sponsor; note bears no interest, payable upon business combination or expiry.","Sponsor may convert note into private units at $10/unit, each unit consists of one Class A share and one right.","Conversion rights require two business days' notice before closing; no fractional units issued.","Note is repaid only from non-trust funds if business combination not consummated."],"urls":{"canonical":"https://secwatch.observer/filing/0001213900-25-084509","json":"https://secwatch.observer/filing/0001213900-25-084509.json","markdown":"https://secwatch.observer/filing/0001213900-25-084509.md","text":"https://secwatch.observer/filing/0001213900-25-084509.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/2000410/000121390025084509/0001213900-25-084509-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/2000410/000121390025084509/ea0256081-8k_eureka.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T08:22:23.776741+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"}