---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-25-059672"
form_type: "8-K"
ticker: "MCGA"
cik: "0002064658"
company_name: "Yorkville Acquisition Corp."
filed_at: "2025-06-30T23:59:59+00:00"
generated_at: "2026-05-18T15:05:12.526647+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Yorkville Acquisition Corp. closes $172.5M SPAC IPO; 17.25M units at $10 each, over-allotment fully exercised

## Summary
- IPO closed June 30, 2025: 17,250,000 units at $10/unit for gross proceeds of $172.5M.
- Trust account funded with $173.36M from IPO proceeds and $3.52M private placement of 351,825 sponsor units.
- Board of directors appointed: Kevin McGurn, Devin Nunes, Scott Glabe, Omar Hasan, Mark Angelo (chair), Michael Rosselli.
- SPAC has 24 months (extendable to 30 without shareholder vote) to complete initial business combination.
- Units trade on Nasdaq under YORKU; shares/warrants expected under YORK and YORKW.

## SEC filing metadata
- accession: 0001213900-25-059672
- form_type: 8-K
- ticker: MCGA
- cik: 0002064658
- company_name: Yorkville Acquisition Corp.
- filed_at: 2025-06-30T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 1.01, 3.02, 5.02, 5.03, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2064658/000121390025059672/0001213900-25-059672-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2064658/000121390025059672/ea0247438-8k_york.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-25-059672
- JSON: https://secwatch.observer/filing/0001213900-25-059672.json
- Plain text: https://secwatch.observer/filing/0001213900-25-059672.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.