SBXD SCHEDULE 13G/A: SEC filing
W. R. Berkley Corporation and its subsidiary Berkley Insurance Company
Filed with the SEC on · accession 0001628280-26-072421
SBXD filed a SCHEDULE 13G/A (schedule 13g/a) with the SEC on Nov 9, 2026. A report the company filed with the SEC (the US market regulator).
Summary of the filing
W. R. Berkley Corporation and its subsidiary Berkley Insurance Company filed an amended Schedule 13G indicating they beneficially own 0% of SilverBox Corp IV's Class A ordinary shares, effectively reporting no ownership position.
Key details
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What did SBXD file with the SEC on Nov 9, 2026?
SBXD filed a SCHEDULE 13G/A (SEC filing). W. R. Berkley Corporation and its subsidiary Berkley Insurance Company filed an amended Schedule 13G indicating they beneficially own 0% of SilverBox Corp IV's Class A ordinary shares, effectively reporting no ownership position.
How do I read a SCHEDULE 13G/A?
A report the company filed with the SEC (the US market regulator). Start with the summary, then the key amounts and names. Compare it with the company’s earlier filings.
Why are SEC filings important?
Public companies must tell the SEC about anything that can change their value — results, leadership changes, big deals, new shares, bankruptcy. Filings are the official source, often before the news. A SCHEDULE 13G/A (schedule 13g/a): A report the company filed with the SEC (the US market regulator).
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