InsidersTradesSigma
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
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Discover the full record of transactions filed by Zhang Kan. Officer active across 1 company, notably CooTek(Cayman)Inc.. In total, 1 filings have been published. Split: 1 buy · 0 sell. History available since 3 September 2026. The latest transaction was filed on 3 September 2026 (Acquisition). Regulator: SEC (Form 4). The full history is free.
Open company profiles for insider transactions, fundamentals and analyst consensus when available.