InsidersTradesSigma
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Browse the full record of transactions filed by MAMIZUKA Yuzuru. Officer active across 1 company, notably 株式会社テクノスマイル. Aggregated, 5 filings have been published. Activity tracked since 17 March 2025. The latest transaction was disclosed on 10 December 2025 (Holding update). Regulator: EDINET (Japan FSA). All data is free.
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
5 of 5 declarations
MAMIZUKA Yuzuru is a declarant linked to 株式会社テクノスマイル, where the listed role is Officer. He has 5 filings in total, and in the sampled recent filings the period runs from 2025-03-24 to 2025-12-16, with the dominant transaction nature listed as Holding update and buy and sell amounts of EUR 0.