InsidersTradesSigma
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Explore the complete record of transactions filed by Whang Jong S. Officer active across 1 company, notably Amtech Systems INC. Aggregated, 2 reports have been logged. History available since 8 September 2021. The latest transaction was filed on 23 August 2022 (Levée d'options). Regulator: SEC (Form 4). All data is accessible without signup.
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
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