Siu Chris — SEC Form 4 filings
SEC reporting owner CIK 1389044. 31 Form 4 filings on record with FilingPulse; latest filed 2026-09-01.
Transaction summary — filings shown
Covers all 31 filings on record, filed 2024-03-01 to 2026-09-01. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 2 legs across 1 filing — 2,070 shares, $221,608 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 36.
- Largest priced transaction: sale of 1,600 shares @ $106.78 ($170,848) in AEHR TEST SYSTEMS, filed 2026-05-15.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| AEHR TEST SYSTEMS (AEHR) | CFO | 31 | — | 2 legs · 2,070 sh · $221,608 | 36 |
Form 4 filings — Siu Chris
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-01 | 4 | AEHR TEST SYSTEMS (AEHR) | Tax withholding (F): 496 @ $76.59 | EDGAR |
| 2026-07-13 | 4 | AEHR TEST SYSTEMS (AEHR) | Tax withholding (F): 988 @ $72.60 | EDGAR |
| 2026-07-02 | 4 | AEHR TEST SYSTEMS (AEHR) | Grant/award (A): 6,165 @ $0 · Grant/award (A): 6,079 @ $0 · Tax withholding (F): 2,213 @ $84.42 · Tax withholding (F): 1,139 @ $69.96 | EDGAR |
| 2026-06-01 | 4 | AEHR TEST SYSTEMS (AEHR) | Tax withholding (F): 350 @ $93.62 | EDGAR |
| 2026-05-15 | 4 | AEHR TEST SYSTEMS (AEHR) | Sale (S): 470 @ $108 · Sale (S): 1,600 @ $106.78 | EDGAR |
| 2026-04-14 | 4 | AEHR TEST SYSTEMS (AEHR) | Tax withholding (F): 697 @ $70.43 | EDGAR |
| 2026-04-02 | 4 | AEHR TEST SYSTEMS (AEHR) | Tax withholding (F): 821 @ $44.32 · Other (J): 2,095 @ $6.67 | EDGAR |
| 2026-03-02 | 4 | AEHR TEST SYSTEMS (AEHR) | Tax withholding (F): 368 @ $37.43 | EDGAR |
| 2026-01-12 | 4 | AEHR TEST SYSTEMS (AEHR) | Tax withholding (F): 799 @ $26.32 | EDGAR |
| 2026-01-02 | 4 | AEHR TEST SYSTEMS (AEHR) | Tax withholding (F): 940 @ $22.16 | EDGAR |
| 2025-12-01 | 4 | AEHR TEST SYSTEMS (AEHR) | Tax withholding (F): 349 @ $22.53 | EDGAR |
| 2025-10-14 | 4 | AEHR TEST SYSTEMS (AEHR) | Tax withholding (F): 695 @ $23.49 | EDGAR |
| 2025-10-08 | 4 | AEHR TEST SYSTEMS (AEHR) | Tax withholding (F): 126 @ $32.25 | EDGAR |
| 2025-10-02 | 4 | AEHR TEST SYSTEMS (AEHR) | Tax withholding (F): 694 @ $32.25 | EDGAR |
| 2025-10-01 | 4 | AEHR TEST SYSTEMS (AEHR) | Other (J): 1,009 @ $6.67 | EDGAR |
| 2025-09-02 | 4 | AEHR TEST SYSTEMS (AEHR) | Tax withholding (F): 349 @ $24.88 | EDGAR |
| 2025-07-11 | 4 | AEHR TEST SYSTEMS (AEHR) | Tax withholding (F): 1,045 @ $14.11 | EDGAR |
| 2025-07-03 | 4 | AEHR TEST SYSTEMS (AEHR) | Grant/award (A): 30,998 @ $0 · Grant/award (A): 5,586 @ $0 · Tax withholding (F): 752 @ $15.13 | EDGAR |
| 2025-06-02 | 4 | AEHR TEST SYSTEMS (AEHR) | Tax withholding (F): 524 @ $9.66 | EDGAR |
| 2025-04-11 | 4 | AEHR TEST SYSTEMS (AEHR) | Tax withholding (F): 836 @ $8.52 | EDGAR |
| 2025-04-02 | 4 | AEHR TEST SYSTEMS (AEHR) | Other (J): 2,175 @ $6.67 | EDGAR |
| 2025-03-03 | 4 | AEHR TEST SYSTEMS (AEHR) | Tax withholding (F): 420 @ $8.85 | EDGAR |
| 2025-01-14 | 4 | AEHR TEST SYSTEMS (AEHR) | Tax withholding (F): 836 @ $15.99 | EDGAR |
| 2024-12-02 | 4 | AEHR TEST SYSTEMS (AEHR) | Tax withholding (F): 348 @ $12.70 | EDGAR |
| 2024-10-15 | 4 | AEHR TEST SYSTEMS (AEHR) | Tax withholding (F): 693 @ $16.02 | EDGAR |
| 2024-10-03 | 4 | AEHR TEST SYSTEMS (AEHR) | Other (J): 427 @ $10.42 | EDGAR |
| 2024-09-03 | 4 | AEHR TEST SYSTEMS (AEHR) | Tax withholding (F): 348 @ $13.51 | EDGAR |
| 2024-07-15 | 4 | AEHR TEST SYSTEMS (AEHR) | Grant/award (A): 31,039 @ $0 | EDGAR |
| 2024-06-13 | 4 | AEHR TEST SYSTEMS (AEHR) | Tax withholding (F): 339 @ $11.17 | EDGAR |
| 2024-04-02 | 4 | AEHR TEST SYSTEMS (AEHR) | Other (J): 1,600 @ $10.50 | EDGAR |
| 2024-03-01 | 4 | AEHR TEST SYSTEMS (AEHR) | Tax withholding (F): 397 @ $17.66 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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