Didier Wimmers
Didier Wimmers: Executive VP of R&D at Aehr Test Systems. What Didier Wimmers 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)
Didier Wimmers holds 13,636 Aehr Test Systems shares (0.04% of the company), worth about $1.3M at the last price, according to the Form 4 of Oct 1, 2026.
- Shares held: 13,636 (0.04%), $1.3M — Held in their own name.
Declarations
- Aehr Test Systems (AEHR) — Form 4 of Oct 1, 2026 (Executive VP of R&D): other of 1,311 at $6.67; shares withheld for tax of 54 at $101.60; 13,636 shares after 0001040470-26-000277
- Aehr Test Systems (AEHR) — Form 4 of Sep 3, 2026 (Executive VP of R&D): shares withheld for tax of 317 at $76.27; 12,379 shares after 0001040470-26-000265
- Aehr Test Systems (AEHR) — Form 4 of Jul 1, 2026 (Executive VP of R&D): grant or award of 2,369; 12,696 shares after 0001040470-26-000197
- Aehr Test Systems (AEHR) — Form 4 of Jun 3, 2026 (Executive VP of R&D): shares withheld for tax of 332 at $114.59; 10,327 shares after 0001040470-26-000168
- Aehr Test Systems (AEHR) — Form 4 of Apr 15, 2026 (Executive VP of R&D): open-market sale of 3,500 at $71.11; open-market sale of 1,900 at $72.02; 10,659 shares after 0001040470-26-000110
- Aehr Test Systems (AEHR) — Form 4 of Apr 1, 2026 (Executive VP of R&D): other of 1,873 at $6.67; 16,059 shares after 0001040470-26-000077
- Aehr Test Systems (AEHR) — Form 4 of Mar 3, 2026 (Executive VP of R&D): shares withheld for tax of 364 at $41.64; 14,186 shares after 0001040470-26-000058
- Aehr Test Systems (AEHR) — Form 4 of Dec 3, 2025 (Executive VP of R&D): shares withheld for tax of 371 at $24.76; 14,550 shares after 0001040470-25-000084
- Aehr Test Systems (AEHR) — Form 4 of Oct 1, 2025 (Executive VP of R&D): other of 1,628 at $6.67; 14,921 shares after 0001040470-25-000019
- Aehr Test Systems (AEHR) — Form 4 of Sep 3, 2025 (Executive VP of R&D): shares withheld for tax of 308 at $24.52; 13,293 shares after 0001593968-25-000992
- Aehr Test Systems (AEHR) — Form 3 of Jun 3, 2025 (Executive VP of R&D); 13,601 shares after 0001593968-25-000753
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.