Black Spade Acquisition III Co SEC filings BIII
Black Spade Acquisition III Co has 45 filings in SEC EDGAR's recent list, going back to Sep 30, 2025. Its latest annual report, Form 10-K, was filed on Mar 6, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 11, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Nov 2, 2026 (material agreement, new debt). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 8-K |
Current report
Material agreement, New debt
|
Nov 2, 2026 | Oct 30, 2026 |
| F-4 | Registration statement | Oct 15, 2026 | — |
| DRS | Filing | Sep 11, 2026 | — |
| 425 | Filing | Sep 1, 2026 | — |
| 425 | Filing | Aug 27, 2026 | — |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Aug 27, 2026 | Aug 27, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 25, 2026 | — |
| 10-Q | Quarterly report | Aug 11, 2026 | Jun 30, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | May 14, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | May 13, 2026 | — |
| 10-Q | Quarterly report | May 12, 2026 | Mar 31, 2026 |
| 10-K | Annual report | Mar 6, 2026 | Dec 31, 2025 |
| 10-Q | Quarterly report | Feb 19, 2026 | Sep 30, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 11, 2026 | — |
| 8-K |
Current report
Other events
|
Jan 26, 2026 | Jan 26, 2026 |
| 8-K/A |
Amended current report
Other events
|
Jan 16, 2026 | Jan 7, 2026 |
| 8-K |
Current report
Other events
|
Jan 13, 2026 | Jan 13, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Jan 9, 2026 | — |
| 8-K |
Current report
Material agreement, Unregistered share sale, Officer or director change, Bylaw or fiscal year change, Other events
|
Jan 9, 2026 | Jan 9, 2026 |
| 3 | Initial insider ownership | Jan 7, 2026 | Jan 5, 2026 |
| 424B3 | Prospectus | Jan 7, 2026 | — |
| 3 | Initial insider ownership | Jan 6, 2026 | Jan 5, 2026 |
| 3 | Initial insider ownership | Jan 6, 2026 | Jan 5, 2026 |
| 3 | Initial insider ownership | Jan 6, 2026 | Jan 5, 2026 |
| 3 | Initial insider ownership | Jan 6, 2026 | Jan 5, 2026 |
| 3 | Initial insider ownership | Jan 6, 2026 | Jan 5, 2026 |
| EFFECT | Filing | Jan 5, 2026 | — |
| 3 | Initial insider ownership | Jan 5, 2026 | Jan 5, 2026 |
| 3 | Initial insider ownership | Jan 5, 2026 | Jan 5, 2026 |
| CERT | Nyse certification | Jan 5, 2026 | — |
| 8-A12B | Form 8-a12b | Jan 5, 2026 | — |
| S-1/A | Amended registration statement | Jan 5, 2026 | — |
| CORRESP | Letter to the SEC | Dec 31, 2025 | — |
| CORRESP | Letter to the SEC | Dec 31, 2025 | — |
| CORRESP | Letter to the SEC | Dec 19, 2025 | — |
| CORRESP | Letter to the SEC | Dec 19, 2025 | — |
| CORRESP | Letter to the SEC | Dec 18, 2025 | — |
| CORRESP | Letter to the SEC | Dec 18, 2025 | — |
| S-1/A | Amended registration statement | Dec 18, 2025 | — |
| S-1/A | Amended registration statement | Dec 12, 2025 | — |
| S-1/A | Amended registration statement | Dec 5, 2025 | — |
| CORRESP | Letter to the SEC | Dec 4, 2025 | — |
| UPLOAD | Letter from the SEC | Dec 2, 2025 | — |
| S-1 | Registration statement | Sep 30, 2025 | — |
Showing 45 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
- Communications Services, NEC (SIC 4899)
- Listed as
- BIII (NYSE), BIII-UN (NYSE), BIII-WT (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- Hong Kong
- Headquarters
- Central
- SEC filer status
- , Emerging growth company
- SEC CIK
- 2087087
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.