InsidersTradesSigma
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Discover the complete record of transactions filed by Nakayama Kouichi. Director active across 1 company, notably 中山不動産株式会社. Aggregated, 3 filings have been published. History available since 13 January 2026. The latest transaction was filed on 20 January 2026 (Holding update). Regulator: EDINET (Japan FSA). All data is free.
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
3 of 3 declarations
Nakayama Kouichi is a declarant linked to 中山不動産株式会社 as Officer. He has 3 filings in total, and the 3 sampled filings run from 2026-01-20 to 2026-02-04, with buy and sell amounts of 0 in this sample and a stated transaction nature of Holding update.