SEPTInvestingStart Free

SBXD SCHEDULE 13G/A: SEC filing

Mizuho Financial Group

Filed with the SEC on · accession 0001104659-26-125753

SBXD filed a SCHEDULE 13G/A (schedule 13g/a) with the SEC on Nov 12, 2026. A report the company filed with the SEC (the US market regulator).

Summary of the filing

Mizuho Financial Group filed an amended Schedule 13G indicating it holds 0% beneficial ownership (0 shares) of SilverBox Corp IV common shares as of September 30, 2026, effectively reporting no reportable position.

For details, click here →

Key details

Common shares beneficially owned$0
Percent of class beneficially owned$0
Filer / reporting personMizuho Financial Group, Inc.
Subject company / issuerSilverBox Corp IV
Subsidiary of filerMizuho Bank, Ltd.
Subsidiary of filerMizuho Americas LLC
Wholly-owned broker-dealer subsidiary of filerMizuho Securities USA LLC
Managing director, global corporate function coordination department, mizuho financial groupTakahiro Katsura
Senior managing corporate executive, head of global corporate & investment banking, mizuho financial groupShuji Matsuura

✦ Ask GOAX AI about this filing — what it means for SBXD, what changed since its last filings and what to watch next.

Try it free for 7 days

🔔 Want to stay updated on new SEC filings for SBXD?

Click here

Frequently asked questions

What did SBXD file with the SEC on Nov 12, 2026?

SBXD filed a SCHEDULE 13G/A (SEC filing). Mizuho Financial Group filed an amended Schedule 13G indicating it holds 0% beneficial ownership (0 shares) of SilverBox Corp IV common shares as of September 30, 2026, effectively reporting no reportable 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).

Other SBXD SEC filings

Get alerts when SBXD files with the SEC, plus live charts, key levels and news for 13,000+ stocks.

Try SEPT free for 7 days
SBXD overviewSBXD analysisSBXD newsLatest SEC filings