Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Browse the complete record of transactions filed by Shigehisa Ishii. Insider active across 3 companies, notably 東和ハイシステム株式会社. Cumulatively, 26 reports have been logged. Activity tracked since 25 January 2021. The latest transaction was filed on 13 August 2026 (Holding update). Regulator: EDINET (Japan FSA). The full history is accessible without signup.
Companies and markets linked to Shigehisa Ishii
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Shigehisa Ishii has filed 24 disclosures in total. In the 24 recent filings we hold, the activity is mainly holding updates, with no buys or sells shown, from 2024-05-31 to 2026-07-23, for 東和ハイシステム株式会社, Hiクラテス株式会社(旧:東和ハイシステム株式会社), and Hiクラテス株式会社, where he is listed as Large shareholder or Officer depending on the company.