Black Hawk Acquisition Corp SEC filings BKHAU
Black Hawk Acquisition Corp has 117 filings in SEC EDGAR's recent list, going back to Dec 21, 2023. Its latest annual report, Form 10-K, was filed on Mar 6, 2026 for the period ended Nov 30, 2025. The latest quarterly report (Form 10-Q) was filed on Oct 6, 2026, covering the quarter ended Aug 31, 2026. The most recent current report (Form 8-K) was filed on Oct 23, 2026 (other events). The company's fiscal year ends on November 30.
| Form | Description | Filed | Period |
|---|---|---|---|
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 5, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Oct 7, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 14, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 13, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 12, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 10, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Oct 10, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 13, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 8, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 7, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 13, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 12, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 14, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 13, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 13, 2025 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 15, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Nov 14, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Nov 14, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Nov 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 12, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Nov 12, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Jun 7, 2024 | — |
| SC 13D | Ownership over 5% (active) | Apr 26, 2024 | — |
| 4 | Insider transaction | Apr 26, 2024 | Apr 4, 2024 |
| SC 13D | Ownership over 5% (active) | Apr 1, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Mar 27, 2024 | — |
| 3 | Initial insider ownership | Mar 25, 2024 | Mar 20, 2024 |
| 3 | Initial insider ownership | Mar 25, 2024 | Mar 20, 2024 |
| 3 | Initial insider ownership | Mar 25, 2024 | Mar 20, 2024 |
| 3 | Initial insider ownership | Mar 25, 2024 | Mar 20, 2024 |
| 3 | Initial insider ownership | Mar 25, 2024 | Mar 20, 2024 |
Showing 31 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Biological Products, (No Diagnostic Substances) (SIC 2836)
- Listed as
- BKHA (Nasdaq), BKHAR (Nasdaq), BKHAU (Nasdaq)
- Fiscal year ends
- November 30
- Headquarters
- Danville, CA
- SEC filer status
- , Emerging growth company
- SEC CIK
- 2000775
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All 182 Biological Products, (No Diagnostic Substances) companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.