SilverBox Corp IV SEC filings SBXDF
SilverBox Corp IV has 97 filings in SEC EDGAR's recent list, going back to Jun 18, 2024. Its latest annual report, Form 10-K, was filed on Mar 19, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 12, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Sep 28, 2026 (other events). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| SCHEDULE 13G | Ownership over 5% (passive) | Oct 9, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 12, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 6, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | May 14, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 8, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 13, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 12, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 11, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 14, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 10, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 14, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 13, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 13, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 12, 2025 | — |
| 3 | Initial insider ownership | Jul 2, 2025 | Jun 25, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 14, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 21, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 13, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 13, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 10, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 7, 2025 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 14, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Nov 14, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Nov 13, 2024 | — |
| 3 | Initial insider ownership | Sep 23, 2024 | Sep 23, 2024 |
| SC 13G | Ownership over 5% (passive) | Sep 9, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Sep 3, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Aug 22, 2024 | — |
| 3 | Initial insider ownership | Aug 15, 2024 | Aug 15, 2024 |
| 3 | Initial insider ownership | Aug 15, 2024 | Aug 15, 2024 |
| 3 | Initial insider ownership | Aug 15, 2024 | Aug 15, 2024 |
| 3 | Initial insider ownership | Aug 15, 2024 | Aug 15, 2024 |
| 3 | Initial insider ownership | Aug 15, 2024 | Aug 15, 2024 |
| 3 | Initial insider ownership | Aug 15, 2024 | Aug 15, 2024 |
| 3 | Initial insider ownership | Aug 15, 2024 | Aug 15, 2024 |
Showing 38 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
- Blank Checks (SIC 6770)
- Listed as
- SBXDF (OTC), SBXUF (OTC), SBXWF (OTC)
- Fiscal year ends
- December 31
- Headquarters
- Austin, TX
- SEC filer status
- , Emerging growth company
- SEC CIK
- 2015947
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.