Chris Siu
Chris Siu: CFO at Aehr Test Systems. What Chris Siu holds in an AI or semiconductor company tracked on Silicon Floor, from their SEC filings, broken down: the shares held and how, then any restricted shares, options or other rights declared.
Aehr Test Systems (AEHR)
Chris Siu holds 82,765 Aehr Test Systems shares (0.25% of the company), worth about $6.6M at the last price, according to the Form 4 of Oct 2, 2026.
- Shares held: 75,970 (0.23%), $6.0M — Held in their own name.
- Shares held: 6,795 (0.02%), $539,760.83 — Held through trusts (By Trust).
Declarations
- Aehr Test Systems (AEHR) — Form 4 of Oct 2, 2026 (CFO): shares withheld for tax of 1,164 at $107.21; 82,765 shares after 0001040470-26-000286
- Aehr Test Systems (AEHR) — Form 4 of Oct 1, 2026 (CFO): shares withheld for tax of 194 at $101.60; other of 1,089 at $6.67; 83,929 shares after 0001040470-26-000267
- Aehr Test Systems (AEHR) — Form 4 of Sep 1, 2026 (CFO): shares withheld for tax of 496 at $76.59; 83,034 shares after 0001040470-26-000263
- Aehr Test Systems (AEHR) — Form 4 of Jul 13, 2026 (CFO): shares withheld for tax of 988 at $72.60; 83,530 shares after 0001040470-26-000205
- Aehr Test Systems (AEHR) — Form 4 of Jul 2, 2026 (CFO): grant or award of 6,165; grant or award of 6,079; 84,518 shares after 0001040470-26-000195
- Aehr Test Systems (AEHR) — Form 4 of Jun 1, 2026 (CFO): shares withheld for tax of 350 at $93.62; 75,626 shares after 0001040470-26-000166
- Aehr Test Systems (AEHR) — Form 4 of May 14, 2026 (CFO): open-market sale of 470 at $108.00; open-market sale of 1,600 at $106.78; 75,976 shares after 0001654954-26-005016
- Aehr Test Systems (AEHR) — Form 4 of Apr 11, 2026 (CFO): shares withheld for tax of 697 at $70.43; 78,046 shares after 0001040470-26-000104
- Aehr Test Systems (AEHR) — Form 4 of Apr 2, 2026 (CFO): shares withheld for tax of 821 at $44.32; other of 2,095 at $6.67; 78,743 shares after 0001040470-26-000073
- Aehr Test Systems (AEHR) — Form 4 of Mar 1, 2026 (CFO): shares withheld for tax of 368 at $37.43; 77,469 shares after 0001040470-26-000056
- Aehr Test Systems (AEHR) — Form 4 of Jan 11, 2026 (CFO): shares withheld for tax of 799 at $26.32; 77,837 shares after 0001040470-26-000020
- Aehr Test Systems (AEHR) — Form 4 of Jan 2, 2026 (CFO): shares withheld for tax of 940 at $22.16; 78,636 shares after 0001040470-26-000013
- Aehr Test Systems (AEHR) — Form 4 of Dec 1, 2025 (CFO): shares withheld for tax of 349 at $22.53; 79,576 shares after 0001040470-25-000082
- Aehr Test Systems (AEHR) — Form 4 of Oct 13, 2025 (CFO): shares withheld for tax of 695 at $23.49; 79,925 shares after 0001040470-25-000060
- Aehr Test Systems (AEHR) — Form 4 of Oct 2, 2025 (CFO): shares withheld for tax of 126 at $32.25; 80,620 shares after 0001040470-25-000042
Sources: SEC Schedules 13D and 13G (stakes above 5%, which count everything a person votes or can acquire within 60 days) and Forms 3, 4 and 5 (the shares a director, officer or 10% owner holds, filed within two business days of each trade). Values at the last price.
All holders · Who owns each AI company · All tracked companies · The AI market