Aehr Test Systems (AEHR) insider trading
Every open-market stock purchase and sale by Aehr Test Systems executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Other.
Insider activity at a glance
- Gayn Erickson (CEO) and 8 others sold $17.8M in the last 90 days.
- Last insider buy: Howard T Slayen (Director), $310K, 2 years ago.
Last 12 months: insiders bought $0 (0 buys) and sold $62M (50 sales). Last close $76.27 on Sep 3, 2026.
Recent AEHR insider trades
| Date | Insider | Trade | Value |
|---|---|---|---|
| Oct 1, 2026 | Chris Siu (CFO) | Sold (not open market) | $19.7K |
| Oct 1, 2026 | Chris Siu (CFO) | Bought (not open market) | $7.3K |
| Sep 3, 2026 | Didier Wimmers (VP) | Sold (not open market) | $24.2K |
| Sep 1, 2026 | Chris Siu (CFO) | Sold (not open market) | $38K |
| Aug 17, 2026 | Vernon Rogers (VP) | Sold | $574K |
| Aug 14, 2026 | Rhea J Posedel (Director) | Sold | $836K |
| Aug 14, 2026 | Howard T Slayen (Director) | Sold | $758K |
| Aug 14, 2026 | Vernon Rogers (VP) | Sold | $139K |
| Aug 14, 2026 | Adil Engineer (COO) | Sold (not open market) | — |
| Aug 13, 2026 | Alberto Salamone (VP) | Sold | $698K |
| Aug 13, 2026 | Alberto Salamone (VP) | Sold | $538K |
| Aug 12, 2026 | Gayn Erickson (CEO) | Sold | $5M |
| Aug 12, 2026 | Geoffrey Gates Scott (Director) | Sold | $2.6M |
| Aug 12, 2026 | Rhea J Posedel (Director) | Sold | $1.1M |
| Aug 12, 2026 | Adil Engineer (COO) | Sold | $983K |
| Aug 12, 2026 | Laura Oliphant (Director) | Sold | $228K |
| Aug 12, 2026 | Gayn Erickson (CEO) | Sold | $205K |
| Aug 12, 2026 | Adil Engineer (COO) | Bought (not open market) | $142K |
| Aug 12, 2026 | Geoffrey Gates Scott (Director) | Sold (not open market) | — |
| Aug 12, 2026 | Adil Engineer (COO) | Bought (not open market) | — |
| Aug 10, 2026 | Alistair N Sporck (VP) | Sold | $108K |
| Aug 4, 2026 | Howard T Slayen (Director) | Sold | $2.2M |
| Aug 4, 2026 | Alistair N Sporck (VP) | Sold | $132K |
| Aug 4, 2026 | Alistair N Sporck (VP) | Sold | $70.4K |
| Aug 4, 2026 | Laura Oliphant (Director) | Sold (not open market) | — |
Who's trading AEHR
- Chris Siu, CFO: sold $222K (2 sales), last Oct 1, 2026
- Didier Wimmers, VP: sold $386K (2 sales), last Sep 3, 2026
- Vernon Rogers, VP: sold $3.2M (7 sales), last Aug 17, 2026
- Adil Engineer, COO: sold $2.1M (5 sales), last Aug 14, 2026
- Howard T Slayen, Director: sold $5.9M (5 sales), last Aug 14, 2026
- Rhea J Posedel, Director: sold $9.5M (10 sales), last Aug 14, 2026
- Alberto Salamone, VP: sold $4M (4 sales), last Aug 13, 2026
- Laura Oliphant, Director: sold $1.1M (9 sales), last Aug 12, 2026
- Gayn Erickson, CEO: sold $16M (4 sales), last Aug 12, 2026
- Geoffrey Gates Scott, Director: sold $14.7M (9 sales), last Aug 12, 2026
- Alistair N Sporck, VP: sold $879K (8 sales), last Aug 10, 2026
- Donald P. Richmond II, CTO: sold $2.3M (2 sales), last Jul 27, 2026
- Fariba Danesh, Director: sold $1.6M (5 sales), last Apr 16, 2026
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