{"schema_version":"secwatch.filing_event.v1","accession":"0001213900-26-070821","form_type":"8-K","ticker":"EURK","cik":"0002000410","company_name":"Eureka Acquisition Corp","filed_at":"2026-06-23T10:05:56+00:00","discovered_at":"2026-06-23T10:10:00.209740+00:00","generated_at":"2026-06-23T10:10:32.627462+00:00","sec_items":["1.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"confidence":"high","headline":"Eureka Acquisition Corp amends BCA with Marine Thinking to revise post-closing board composition","bullets":["On June 12, 2026, Eureka Acquisition Corp and Marine Thinking entered Amendment No. 1 to their Business Combination Agreement.","Amendment revises Section 5.19: post-closing board to consist of 8 directors; 7 designated by Company, 1 by IPO Sponsor.","At least 5 of 8 directors must be Canadian citizens; 4 must be independent per Nasdaq rules, 1 a financial expert.","Other terms of the original BCA remain unchanged; amendment signed by all parties."],"urls":{"canonical":"https://secwatch.observer/filing/0001213900-26-070821","json":"https://secwatch.observer/filing/0001213900-26-070821.json","markdown":"https://secwatch.observer/filing/0001213900-26-070821.md","text":"https://secwatch.observer/filing/0001213900-26-070821.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/2000410/000121390026070821/0001213900-26-070821-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/2000410/000121390026070821/ea0295465-8k425_eureka.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-23T10:10:32.627462+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"}