Black Spade Acquisition III SEC Filings
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At close: Oct 9, 3:58 PM ET · Delayed 15 min
Black Spade Acquisition III filing overview
This page lists 21 recent SEC filings by Black Spade Acquisition III (BIII), including 5 SCHEDULE 13G, 4 8-K, 4 S-1/A, 3 10-Q. The latest annual report (10-K) was filed on Mar 6, 2026 for the period ending Dec 31, 2025. The most recent quarterly report (10-Q) was filed on Aug 11, 2026.
The latest current report (8-K), used to disclose material events such as earnings releases and executive changes, was filed on Aug 27, 2026. Form 10-K is the audited annual report, 10-Q the quarterly report, 8-K covers material events, and Form 4 reports insider transactions. All documents link directly to SEC EDGAR.
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BIII SEC filings
| Filed | Form | Description | Document |
|---|---|---|---|
| Aug 27, 2026 | 8-K | Entry into a Material Definitive Agreement; Regulation FD Disclosure | View on EDGAR |
| Aug 25, 2026 | SCHEDULE 13G | Beneficial ownership report (passive) | View on EDGAR |
| Aug 11, 2026 | 10-Q | Quarterly report | View on EDGAR |
| May 15, 2026 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| May 14, 2026 | SCHEDULE 13G | Beneficial ownership report (passive) | View on EDGAR |
| May 13, 2026 | SCHEDULE 13G | Beneficial ownership report (passive) | View on EDGAR |
| May 12, 2026 | 10-Q | Quarterly report | View on EDGAR |
| Mar 6, 2026 | 10-K | Annual report | View on EDGAR |
| Feb 19, 2026 | 10-Q | Quarterly report | View on EDGAR |
| Feb 11, 2026 | SCHEDULE 13G | Beneficial ownership report (passive) | View on EDGAR |
| Jan 26, 2026 | 8-K | Other Events | View on EDGAR |
| Jan 16, 2026 | 8-K/A | Amended: Other Events | View on EDGAR |
| Jan 13, 2026 | 8-K | Other Events | View on EDGAR |
| Jan 9, 2026 | 8-K | Entry into a Material Definitive Agreement; Unregistered Sales of Equity Securities; Departure or Appointment of Directors or Officers; Compensatory Arrangements; Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year; Other Events | View on EDGAR |
| Jan 9, 2026 | SCHEDULE 13G | Beneficial ownership report (passive) | View on EDGAR |
| Jan 7, 2026 | 424B3 | Prospectus | View on EDGAR |
| Jan 5, 2026 | S-1/A | Registration statement (amendment) | View on EDGAR |
| Dec 18, 2025 | S-1/A | Registration statement (amendment) | View on EDGAR |
| Dec 12, 2025 | S-1/A | Registration statement (amendment) | View on EDGAR |
| Dec 5, 2025 | S-1/A | Registration statement (amendment) | View on EDGAR |
| Sep 30, 2025 | S-1 | Registration statement | View on EDGAR |