// company-profile
Mizuho Financial Group Inc
// activity-summary
Recent insider activity is bullish. Over the last 30 days, 10 insiders purchased shares versus 5 sales. Buying was led by Kurosawa Tatsuya.
// 90-day insight
Over the last 90 days, Mizuho Financial Group Inc insiders bought $0 (10 transactions) and sold $40.2M (5 transactions).
- Most active insider: Samejima Makoto with 3 transactions totaling $21.0M.
- Largest single sale: $21.0M by Samejima Makoto on Jun 1, 2026.
Activity skews bullish — buys outpace sales.
Institutional Ownership
Top 13F-HR holders of Mizuho Financial Group Inc as of 2026-03-31
Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jun 1, 2026 | Kurosawa Tatsuya | MFG | Option Exercise | 719 | $0.00 | $0K |
| Jun 1, 2026 | Kurosawa Tatsuya | MFG | Disposition | 288 | $12993.09 | $3.74M |
| Jun 1, 2026 | Kurosawa Tatsuya | MFG | Option Exercise | 719 | $0.00 | $0K |
| Jun 1, 2026 | Komatsu Minori | MFG | Option Exercise | 659 | $0.00 | $0K |
| Jun 1, 2026 | Komatsu Minori | MFG | Disposition | 264 | $11910.34 | $3.14M |
10 more transactions hidden
Free account · No credit card required
Building something? Get API access →
Popular companies on Form4API
Browse insider trading activity for other actively-filed companies.