InsidersTradesSigma
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Discover the full record of transactions filed by Naoto Shiraiwa. Insider active across 1 company, notably 株式会社ジャパンインベストメントアドバイザー. In total, 22 reports have been logged. Activity tracked since 1 December 2021. The latest transaction was disclosed on 8 June 2026 (Holding update). Regulator: EDINET (Japan FSA). The full history is accessible without signup.
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22 of 22 declarations
Naoto Shiraiwa is a declarant and a Large shareholder of 株式会社ジャパンインベストメントアドバイザー (XTKS). He has 22 filings in total, and across the sampled recent filings the most frequent transaction nature is Holding update, with a date range from 2023-12-27 to 2026-06-15 and individual amounts reaching 63074936.02540717 EUR.