InsidersTradesSigma
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
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Explore the full record of transactions filed by Zhou Yuan. Director active across 1 company, notably Zhihu Inc.. Cumulatively, 2 disclosures have been recorded. Activity tracked since 28 July 2026. The latest transaction was filed on 28 July 2026 (J). Regulator: SEC (Form 4). All data is openly available.
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
2 of 2 declarations