Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Discover the detailed record of transactions filed by Seisei Co.,ltd., Shareholder. Insider active across 4 companies, notably 東京コスモス電機株式会社. Cumulatively, 21 filings have been logged. Activity tracked since 20 February 2023. The latest transaction was disclosed on 31 July 2026 (Holding update). Regulator: EDINET (Japan FSA). The full history is openly available.
Companies and markets linked to Seisei Co.,ltd.
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
SEISEI CO.,LTD. is a large shareholder. It has 19 filings in total, and the sampled recent filings run from 2023-02-20 to 2026-07-21, with holding updates as the modal transaction nature.