InsidersTradesSigma
Across 4 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Explore the complete record of transactions filed by Toshio Yoshihara. Officer active across 1 company, notably 株式会社早稲田学習研究会. Cumulatively, 4 filings have been published. Activity tracked since 22 December 2023. The latest transaction was filed on 4 November 2025 (Holding update). Regulator: EDINET (Japan FSA). All data is openly available.
4 of 4 declarations
Toshio Yoshihara is a declarant linked to 株式会社早稲田学習研究会, where he is listed as an Officer. The record shows 4 filings in total, and the 4 sampled filings, from 2023-12-27 to 2025-11-07, are holding updates.