Black Hawk Acquisition Corp SEC filings BKHAR

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
424B4 Prospectus Sep 22, 2026 —
S-4/A Filing Sep 4, 2026 —
S-4/A Filing Aug 3, 2026 —
S-4/A Filing Jul 6, 2026 —
S-4/A Filing Jun 11, 2026 —
S-4/A Filing May 1, 2026 —
S-4/A Filing Mar 5, 2026 —
S-4/A Filing Jan 26, 2026 —
S-4/A Filing Jan 23, 2026 —
S-4 Registration for a merger or exchange Dec 23, 2025 —
424B4 Prospectus Mar 22, 2024 —
S-1MEF Filing Mar 20, 2024 —
S-1/A Amended registration statement Mar 8, 2024 —
S-1/A Amended registration statement Feb 26, 2024 —
S-1 Registration statement Feb 5, 2024 —

Showing 15 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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Source: SEC EDGAR filings. This is company-reported data, not investment advice.