
Hiroyasu Koike
Head of Investment Management · NOMURA HOLDINGS INC
- 2026
- Sep 28, 2026
- 6
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Hiroyasu Koike files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Masahiro Ishizuka - $2K in NMR purchases and sales in the last 12 months
- Shoji Ogawa - $2K in NMR purchases and sales in the last 12 months
- Yukiko Ozaki - $64 in NMR purchases and sales in the last 12 months
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Frequently asked questions
Who is Hiroyasu Koike?
Hiroyasu Koike is a corporate insider, tracked as Head of Investment Management of NOMURA HOLDINGS INC (NMR). InsiderAlpha holds 6 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Hiroyasu Koike submitted recently?
3 primary Form 4 filings in the last 90 days, covering 1 company.