InsidersTradesSigma
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Explore the complete record of transactions filed by Osamu Yamashina. Director active across 1 company, notably トーイン株式会社. Cumulatively, 2 reports have been published. History available since 22 December 2025. The latest transaction was filed on 22 December 2025 (Holding update). Regulator: EDINET (Japan FSA). All data is free.
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
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