{"schema_version":"secwatch.filing_event.v1","accession":"0001213900-25-071300","form_type":"8-K","ticker":"EURK","cik":"0002000410","company_name":"Eureka Acquisition Corp","filed_at":"2025-08-04T23:59:59+00:00","discovered_at":"2026-05-14T18:02:45.791421+00:00","generated_at":"2026-05-17T21:37:41.463108+00:00","sec_items":["1.01","2.03","3.02","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"Eureka Acquisition Corp extends deadline to Sep 3, 2025 with $150K sponsor deposit","bullets":["Sponsor Hercules Capital Management deposited $150,000 into trust to extend business combination deadline by one month to September 3, 2025.","Company issued unsecured promissory note for $150,000 to sponsor; no interest, payable upon business combination or term expiry.","Sponsor can convert note into private units at $10.00/unit, each unit consisting of one Class A share and one right to acquire one-fifth share.","Extension avoids immediate liquidation; note repaid only from non-trust funds if no business combination is completed."],"urls":{"canonical":"https://secwatch.observer/filing/0001213900-25-071300","json":"https://secwatch.observer/filing/0001213900-25-071300.json","markdown":"https://secwatch.observer/filing/0001213900-25-071300.md","text":"https://secwatch.observer/filing/0001213900-25-071300.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/2000410/000121390025071300/0001213900-25-071300-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/2000410/000121390025071300/ea0251491-8k_eureka.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T21:37:41.463108+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"}