InsidersTradesSigma
Across 2 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Browse the complete record of transactions filed by Jiro Shiraiwa. Director active across 1 company, notably 株式会社ビーブレイクシステムズ. In total, 2 disclosures have been published. Activity tracked since 28 August 2025. The latest transaction was disclosed on 28 November 2025 (Holding update). Regulator: EDINET (Japan FSA). The full history is free.
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