Quick Takeaways
- BERKLEY W R CORP filed SCHEDULE 13G for SILVERBOX CORP IV Class A ordinary shares, par value $0.0001 per share (SBXD).
- Disclosed ownership: 5.9%.
- Date of event: 31 Dec 2025.
BERKLEY W R CORP - 31 Dec 2025 SCHEDULE 13G Report for SILVERBOX CORP IV Class A ordinary shares, par value $0.0001 per share (SBXD)
- Filing Manager
- BERKLEY W R CORP
- Reporting Manager
- W. R. Berkley Corporation
- Symbol
- SBXD
- Shares outstanding
- 20,536,847 shares
- Disclosed Ownership
- 1,211,674 shares
- Ownership
- 5.9%
- Form type
- SCHEDULE 13G
- Filing time
- 11 Feb 2026, 16:19:50 UTC
- Date of event
- 31 Dec 2025
- SEC
- View on sec.gov
Quoteable Key Fact
"BERKLEY W R CORP disclosed 5.9% ownership in SILVERBOX CORP IV Class A ordinary shares, par value $0.0001 per share (SBXD) on 31 Dec 2025."
What Changed
- No earlier schedule filing is available for direct comparison.
- Current filing was accepted on 11 Feb 2026, 16:19.
Why This Matters
- This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
- You can verify ownership claims directly against the original SEC filing.
Source Evidence
Backed by Schedule 13D/13G
See Original Filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting Managers (2)
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| W. R. Berkley Corporation | 5.9% | 1,211,674 | 0 | 1,211,674 | /s/ Richard M. Baio | Richard M. Baio/Executive Vice President and Chief Financial Officer | |
| Berkley Insurance Company | 5.9% | 1,211,674 | 0 | 1,211,674 | /s/ Richard M. Baio | Richard M. Baio/Executive Vice President and Treasurer |