Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Explore the complete record of transactions filed by Siu Chris. Officer active across 2 companies, notably Ultra Clean Holdings, Inc.. In total, 41 filings have been recorded. Split: 0 buy · 1 sell. Total volume traded: €8k. Activity tracked since 30 April 2021. The latest transaction was filed on 13 July 2026 (Retenue fiscale). Regulator: SEC (Form 4). All data is accessible without signup.
Companies and markets linked to Siu Chris
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
836 shares@ US$15.996.3% of flowCommon StockSEC:0001593968-25-000052:0
25 of 41 declarations
About Siu Chris
Siu Chris is a declarant associated with Aehr Test Systems, where he is CFO, and Ultra Clean Holdings, Inc., where he is Chief Accounting Officer & SVP. The record shows 41 filings in total, and across the 41 sampled filings, buy volume is EUR 0 and sell volume is EUR 7,537, with transactions ranging from 2021-05-04 to 2026-07-13; the most common transaction nature is Tax withholding.
