Quick Takeaways
- Siu Chris has 2 issuer positions tracked on this page.
- Estimated disclosed ownership value: $4,263,164.
- Recent insider filing activity is available below.
Insider Trading & Ownership of Siu Chris
- Location
- Fremont, CA
- Summary
- The estimated net worth of Siu Chris is at least $4,263,164 dollars as of 14 Apr 2026. Siu Chris is the CFO of AEHR TEST SYSTEMS and owns shares of AEHR TEST SYSTEMS (AEHR) stock worth about $2.89M. Siu Chris is the Chief Accounting Officer & SVP of Ultra Clean Holdings, Inc. and owns shares of Ultra Clean Holdings, Inc. (UCTT) stock worth about $1.37M.
- Signature
- /s/SIU CHRIS
- All Insider Reports
- All Insider Reports
Follow Filing Activity
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What Changed
- Largest disclosed position: AEHR TEST SYSTEMS ($2,893,945).
- Past-year value change for that position: .
Why This Matters
- This page translates Forms 3/4/5 into a quick ownership context before you inspect each transaction row.
- You can cross-check role, issuer, and filing chronology directly against the SEC source.
Source Evidence
Filed on Form 4
See Original Filing
Insider ownership context is sourced from SEC Forms 3, 4, and 5.
Ownership of Siu Chris
| Symbol | Company | Relationship | Holdings Value | Past Year Net Change | Change % | Report Period |
|---|---|---|---|---|---|---|
| AEHR | AEHR TEST SYSTEMS | Cfo | $2,893,945 | 11 Apr 2026 | ||
| UCTT | Ultra Clean Holdings, Inc. | Chief Accounting Officer & SVP | $1,369,219 | 31 May 2022 |
Insider Transactions Reported by Siu Chris:
| Sym | Company | Class | Transaction | % | Value $ | * Price $ | Shares | Shares After | Date | Ownership |
|---|
* An asterisk sign (*) next to the price indicates that the price is likely invalid.