---
schema_version: "secwatch.filing_event.v1"
accession: "0001829126-25-004929"
form_type: "8-K"
ticker: "BKHA"
cik: "0002000775"
company_name: "Black Hawk Acquisition Corp"
filed_at: "2025-07-08T23:59:59+00:00"
generated_at: "2026-05-18T09:09:15.281668+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Black Hawk Acquisition amends trust extension fee to fixed $150K per month

## Summary
- Original fee was $0.033 per outstanding share; revised to $150,000 flat per one-month extension.
- Maximum of 18 monthly extensions allowed, extending deadline to December 22, 2026.
- Change eliminates discretion over deposit amount, providing clarity for shareholders.
- Supplement filed to definitive proxy statement originally dated June 10, 2025.

## SEC filing metadata
- accession: 0001829126-25-004929
- form_type: 8-K
- ticker: BKHA
- cik: 0002000775
- company_name: Black Hawk Acquisition Corp
- filed_at: 2025-07-08T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2000775/000182912625004929/0001829126-25-004929-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2000775/000182912625004929/blackhawkacq_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001829126-25-004929
- JSON: https://secwatch.observer/filing/0001829126-25-004929.json
- Plain text: https://secwatch.observer/filing/0001829126-25-004929.txt

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