---
schema_version: "secwatch.filing_event.v1"
accession: "0001829126-26-001472"
form_type: "8-K"
ticker: "BKHA"
cik: "0002000775"
company_name: "Black Hawk Acquisition Corp"
filed_at: "2026-02-19T23:59:59+00:00"
generated_at: "2026-05-16T01:50:15.051590+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Black Hawk Acquisition issues up to $300K convertible note to sponsor at 10% interest

## Summary
- Convertible note principal up to $300,000 issued to sponsor Black Hawk Management LLC.
- Note bears 10% interest per annum; due upon business combination or liquidation.
- Sponsor may convert principal at $1.00 per share into ordinary shares upon DeSPAC.
- Proceeds used for working capital expenses; note exempt from registration under Section 4(a)(2).

## SEC filing metadata
- accession: 0001829126-26-001472
- form_type: 8-K
- ticker: BKHA
- cik: 0002000775
- company_name: Black Hawk Acquisition Corp
- filed_at: 2026-02-19T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 1.01, 2.03, 3.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2000775/000182912626001472/0001829126-26-001472-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2000775/000182912626001472/blackhawkacq_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001829126-26-001472
- JSON: https://secwatch.observer/filing/0001829126-26-001472.json
- Plain text: https://secwatch.observer/filing/0001829126-26-001472.txt

## Key facts
- Debt Financings
  Black Hawk Acquisition Corp incurred convertible notes of up to $300,000 with Black Hawk Management LLC (Sponsor) at 10% per annum maturing due and payable upon the closing of the Company's initial business combination (a DeSPAC Transaction) or the liquidation of the Company.
  - Instrument: convertible notes
  - Principal: up to $300,000
  - Counterparty: Black Hawk Management LLC (Sponsor)
  - Rate: 10% per annum
  - Maturity: due and payable upon the closing of the Company's initial business combination (a DeSPAC Transaction) or the liquidation of the Company
  - Event: incurrence
  source text: On February 12, 2026, Black Hawk Acquisition Corp., a Cayman Islands exempted company (the "Company"), issued a convertible promissory note (the "Note") in the principal amount of up to $300,000 to Black Hawk Management LLC (the "Sponsor").
  evidence_url: https://www.sec.gov/Archives/edgar/data/2000775/000182912626001472/0001829126-26-001472-index.htm
- Equity Issuances
  Black Hawk Acquisition Corp issued convertible note to Black Hawk Management LLC (the Sponsor) for principal amount of up to $300,000.
  - Security: convertible note
  - Purchaser: Black Hawk Management LLC (the Sponsor)
  - Consideration: principal amount of up to $300,000
  source text: On February 12, 2026, Black Hawk Acquisition Corp., a Cayman Islands exempted company (the “Company”), issued a convertible promissory note (the “Note”) in the principal amount of up to $300,000 to Black Hawk Management LLC (the “Sponsor”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/2000775/000182912626001472/0001829126-26-001472-index.htm
- Material Agreements
  Black Hawk Acquisition Corp entered into Note with Black Hawk Management LLC valued at principal amount of up to $300,000 (effective 2026-02-12).
  - Action: entry
  - Agreement: notes offering
  - Counterparty: Black Hawk Management LLC
  - Value: principal amount of up to $300,000
  - Effective: 2026-02-12
  source text: On February 12, 2026, Black Hawk Acquisition Corp., a Cayman Islands exempted company (the “Company”), issued a convertible promissory note (the “Note”) in the principal amount of up to $300,000 to Black Hawk Management LLC (the “Sponsor”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/2000775/000182912626001472/0001829126-26-001472-index.htm

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