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Insider ActivityMFG
Koyama Takeshi, Group Chief Strategy Officer at MIZUHO FINANCIAL GROUP INC, traded $8.0M of MFG
Updated Jun 17, 2026
Koyama Takeshi
Group Chief Strategy Officer
MIZUHO FINANCIAL GROUP INC ·
$MFG
Transaction Details
| Insider | Koyama Takeshi |
|---|---|
| Title | Group Chief Strategy Officer |
| Company | MIZUHO FINANCIAL GROUP INC |
| Ticker | MFG |
| Transaction Type | Disposition |
| Transaction Date | 2026-06-01 |
| Shares Traded | 420 |
| Price Per Share | $18,948.26 |
| Total Value | $8.0M |
| Filed Date | 2026-06-03 |
| Accession Number | 0001193125-26-254500 |
Ownership Context
| Shares Owned After Transaction | 9,612 |
|---|---|
| Ownership Type | Direct |
SEC Filing
Accession: 0001193125-26-254500
Other Insider Trades — MFG
| Insider | Title | Action | Value | Date |
|---|---|---|---|---|
| Kurosawa Tatsuya | Group Chief Governance Officer | traded | — | 2026-06-01 |
| Kurosawa Tatsuya | Group Chief Governance Officer | traded | $3.7M | 2026-06-01 |
| Komatsu Minori | See Remarks | traded | — | 2026-06-01 |
| Komatsu Minori | See Remarks | traded | $3.1M | 2026-06-01 |
| Koyama Takeshi | Group Chief Strategy Officer | traded | — | 2026-06-01 |
| Samejima Makoto | Group Chief Financial Officer | traded | — | 2026-06-01 |
| Samejima Makoto | Group Chief Financial Officer | traded | $21.0M | 2026-06-01 |
| Akamatsu Fusae | Group Chief Compliance Officer | traded | — | 2026-06-01 |
| Akamatsu Fusae | Group Chief Compliance Officer | traded | $4.4M | 2026-06-01 |
Other Trades by Koyama Takeshi
| Ticker | Company | Action | Value | Date |
|---|---|---|---|---|
| MFG | MIZUHO FINANCIAL GROUP INC | traded | — | 2026-06-01 |
Full Ticker Profile
View all insider trades, dark pool activity, congressional filings, and the Whisper Score for MFG — MIZUHO FINANCIAL GROUP INC →
Whisper Score — MFG
50.0
Active Discussion
Current Whisper Score
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Data sourced from SEC Form 4 insider trading filings. Transaction details are as reported to the Securities and Exchange Commission. This page does not constitute financial advice. StonkWhisper presents public records — it does not verify or guarantee the accuracy of SEC filings.
Last updated: June 17, 2026 at 07:04 UTC