Transaction Breakdown
Companies & Roles
Discretionary Trading P&L
Holdings
Transaction History
About Yamashita Koichiro
Yamashita Koichiro (SEC CIK 0002123781) files insider reports with the SEC as Director of CTW Cayman (CTW).
Signal8 holds 1 ownership filing by Yamashita Koichiro, a Form 3, filed on Apr 1, 2026. A Form 3 is an initial statement of ownership: it reports holdings, not trades, so no Form 4 or Form 5 transactions are on record since Sep 2024.
The business address on Yamashita Koichiro's filings is in TOKYO.
Other insiders filing for CTW Cayman (CTW)
- Liu Zhixian, Chief Financial Officer
- Tong Hairihan, Chief Technology Officer
- Hattori Naoto, Director
- Vassily Kevin, Director
- Ishiwata Akihiro, Executive Vice President
- Sasaki Ryuichi, Chief Executive Officer