Takeshi Koyama

Chief Strategy Officer, Mizuho Financial Group.

Companies

Mizuho Financial GroupChief Strategy Officer Apr 10, 2026 to now¹

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

Mizuho Financial Group MFG17,492 shares²$176.3K at $10.08Jun 1, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

Jun 1, 2026Returned to company 420 shares at $18,948.26 of Mizuho Financial Group²
Jun 1, 2026Exercised options 1,048 shares of Mizuho Financial Group²

Sources

The numbers on this page point here. Each one links to the record it came from.

1
SEC EDGARMizuho Financial Group, Chief Strategy Officer
2
SEC EDGARMizuho Financial Group shares after the filing of Jun 1, 2026