{"schema_version":"secwatch.filing_event.v1","accession":"0001213900-25-066174","form_type":"8-K","ticker":"MCGA","cik":"0002064658","company_name":"Yorkville Acquisition Corp.","filed_at":"2025-07-21T23:59:59+00:00","discovered_at":"2026-05-14T18:02:45.931098+00:00","generated_at":"2026-05-18T05:22:01.072015+00:00","sec_items":["8.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"confidence":"high","headline":"Yorkville Acquisition Corp. units separable into shares and warrants from July 25, 2025","bullets":["17.25M units from June 30, 2025 IPO may be split into Class A shares (YORK) and warrants (YORKW).","Separate trading begins on or about July 25, 2025; units (YORKU) continue trading on Nasdaq.","Holders must contact Continental Stock Transfer to separate units; no fractional warrants issued."],"urls":{"canonical":"https://secwatch.observer/filing/0001213900-25-066174","json":"https://secwatch.observer/filing/0001213900-25-066174.json","markdown":"https://secwatch.observer/filing/0001213900-25-066174.md","text":"https://secwatch.observer/filing/0001213900-25-066174.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/2064658/000121390025066174/0001213900-25-066174-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/2064658/000121390025066174/ea0249724-8k_york.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-18T05:22:01.072015+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"}