Updated Jul 16, 2026
Siu Chris has filed 4 SEC Form 4 filings across 1 company in the last 90 days.
Chris Siu is the Chief Financial Officer (CFO) of Aehr Test Systems, a company that specializes in test systems for integrated circuits. He has been involved in the financial operations of the company, contributing to its growth in the semiconductor manufacturing industry.
| Role | Insider |
|---|---|
| Notability | 30/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-07-13 | AEHR | AEHR TEST SYSTEMS | F — Tax withholding / forfeiture | 988 | $72.60 | $72K |
| 2026-07-02 | AEHR | AEHR TEST SYSTEMS | F — Tax withholding / forfeiture | 1.1K | $69.96 | $80K |
| 2026-07-02 | AEHR | AEHR TEST SYSTEMS | F — Tax withholding / forfeiture | 2.2K | $84.42 | $187K |
| 2026-07-02 | AEHR | AEHR TEST SYSTEMS | A — Grant or award | 6.1K | $0.00 | |
| 2026-07-02 | AEHR | AEHR TEST SYSTEMS | A — Grant or award | 6.2K | $0.00 | |
| 2026-06-01 | AEHR | AEHR TEST SYSTEMS | F — Tax withholding / forfeiture | 350 | $93.62 | $33K |
| 2026-04-14 | AEHR | AEHR TEST SYSTEMS | F — Tax withholding / forfeiture | 697 | $70.43 | $49K |
| 2026-04-03 | AEHR | AEHR TEST SYSTEMS | J — Other acquisition / disposition | 2.1K | $6.67 | $14K |
| 2026-04-03 | AEHR | AEHR TEST SYSTEMS | F — Tax withholding / forfeiture | 821 | $44.32 | $36K |
| 2026-03-02 | AEHR | AEHR TEST SYSTEMS | F — Tax withholding / forfeiture | 368 | $37.43 | $14K |
| 2025-10-13 | AEHR | AEHR TEST SYSTEMS | F — Tax withholding / forfeiture | 695 | $23.49 | $16K |
| 2025-10-02 | AEHR | AEHR TEST SYSTEMS | F — Tax withholding / forfeiture | 694 | $32.25 | $22K |
| 2025-10-01 | AEHR | AEHR TEST SYSTEMS | J — Other acquisition / disposition | 1.0K | $6.67 | $7K |
| 2025-09-02 | AEHR | AEHR TEST SYSTEMS | F — Tax withholding / forfeiture | 349 | $24.88 | $9K |
| 2025-07-11 | AEHR | AEHR TEST SYSTEMS | F — Tax withholding / forfeiture | 1.0K | $14.11 | $15K |
| 2025-07-02 | AEHR | AEHR TEST SYSTEMS | F — Tax withholding / forfeiture | 752 | $15.13 | $11K |
| 2025-07-02 | AEHR | AEHR TEST SYSTEMS | A — Grant or award | 5.6K | $0.00 | |
| 2025-07-02 | AEHR | AEHR TEST SYSTEMS | A — Grant or award | 31.0K | $0.00 | |
| 2025-06-02 | AEHR | AEHR TEST SYSTEMS | F — Tax withholding / forfeiture | 524 | $9.66 | $5K |
| 2025-04-11 | AEHR | AEHR TEST SYSTEMS | F — Tax withholding / forfeiture | 836 | $8.52 | $7K |
Chris Siu is the Chief Financial Officer (CFO) of Aehr Test Systems, a company that specializes in test systems for integrated circuits. He has been involved in the financial operations of the company, contributing to its growth in the semiconductor manufacturing industry.…
4 primary Form 4 filings in the last 90 days, covering 1 company.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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