Nasdaq · CIK 0001040470
AEHR AEHR TEST SYSTEMS
Insider trading from SEC Form 4. Last filing 7 d ago. Close $84.64 on Oct 9, 2026, +336% from the 52-week low and -42% from the high.
Last 90 days
Net insider value
$0
no open-market trades
Buys
0
$0 by 0 insiders
Sells
0
$0 by 0 insiders
Insiders on file
12
with a Form 4 at this company
Price and insider trades, last year
AEHROct 9, 2026 · close 84.64
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
Open-market buys and sells at AEHR TEST SYSTEMS, scored.
| Score | Insider | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 26Weak | Howard T Slayen Director sell | $154k 6,000 shares | -3% | +280% from low-23% from high | |
| 37Weak | Fariba Danesh Director sell | $223k 9,000 shares | -35% | +271% from low-25% from high | |
| 50Moderate | Laura Oliphant Director sell | $108k 5,000 shares | -39% | +221% from low-2% from high | |
| 35Weak | Rhea J Posedel Director sell | $357k 18,000 shares | -20% | +196% from low0% from high | |
| 36Weak | Alistair N Sporck VP Contactor Business Unit sell | $42k 3,000 shares | -9% | +107% from low-21% from high | |
| 21Weak | Alberto Salamone EVP, PPBI BUSINESS sell | $45k 4,995 shares | -8% | - |
Transactions
The last 100 rows filed, every code.
| Date | Insider | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Oct 2, 2026 | Chris Siu CFO | FTax withholding Common Stock | -1,164 | $107.21 | $125k | 75,970 | 7 d ago |
| Oct 2, 2026 | Alberto Salamone EVP, PPBI BUSINESS | FTax withholding Common Stock | -556 | $107.21 | $60k | 42,873 | 7 d ago |
| Oct 2, 2026 | Gayn Erickson President and CEO | FTax withholding Common Stock | -3,239 | $107.21 | $347k | 193,783 | 7 d ago |
| Oct 2, 2026 | Vernon Rogers Exec VP of Sales & Mktg. | FTax withholding Common Stock | -476 | $107.21 | $51k | 187,305 | 7 d ago |
| Oct 2, 2026 | Adil Engineer Chief Operating Officer | FTax withholding Common Stock | -620 | $107.21 | $66k | 46,489 | 7 d ago |
| Oct 2, 2026 | Alistair N Sporck VP Contactor Business Unit | FTax withholding Common Stock | -345 | $107.21 | $37k | 22,148 | 7 d ago |
| Oct 2, 2026 | Donald P. Richmond II CTO | FTax withholding Common Stock | -439 | $107.21 | $47k | 187,116 | 7 d ago |
| Oct 1, 2026 | Alberto Salamone EVP, PPBI BUSINESS | JOther Common Stock | +1,512 | $6.67 | $10k | 43,474 | 10 d ago |
| Oct 1, 2026 | Donald P. Richmond II CTO | JOther Common Stock | +1,064 | $6.67 | $7,100 | 187,631 | 10 d ago |
| Oct 1, 2026 | Alistair N Sporck VP Contactor Business Unit | FTax withholding Common Stock | -54 | $101.60 | $5,486 | 22,493 | 10 d ago |
| Oct 1, 2026 | Gayn Erickson President and CEO | FTax withholding Common Stock | -499 | $101.60 | $51k | 197,022 | 10 d ago |
| Oct 1, 2026 | Vernon Rogers Exec VP of Sales & Mktg. | JOther Common Stock | +1,626 | $6.67 | $11k | 187,858 | 10 d ago |
| Oct 1, 2026 | Adil Engineer Chief Operating Officer | JOther Common Stock | +730 | $6.67 | $4,871 | 47,207 | 10 d ago |
| Oct 1, 2026 | Didier Wimmers Executive VP of R&D | JOther Common Stock | +1,311 | $6.67 | $8,748 | 13,690 | 10 d ago |
| Oct 1, 2026 | Alberto Salamone EVP, PPBI BUSINESS | FTax withholding Common Stock | -45 | $101.60 | $4,572 | 43,429 | 10 d ago |
| Oct 1, 2026 | Vernon Rogers Exec VP of Sales & Mktg. | FTax withholding Common Stock | -77 | $101.60 | $7,823 | 187,781 | 10 d ago |
| Oct 1, 2026 | Donald P. Richmond II CTO | FTax withholding Common Stock | -76 | $101.60 | $7,722 | 187,555 | 10 d ago |
| Oct 1, 2026 | Alistair N Sporck VP Contactor Business Unit | JOther Common Stockindirect: By Trust | +1,221 | $6.67 | $8,147 | 6,398 | 10 d ago |
| Oct 1, 2026 | Gayn Erickson President and CEO | JOther Common Stockindirect: By Trust | +1,053 | $6.67 | $7,026 | 158,776 | 10 d ago |
| Oct 1, 2026 | Adil Engineer Chief Operating Officer | FTax withholding Common Stock | -98 | $101.60 | $9,957 | 47,109 | 10 d ago |
| Oct 1, 2026 | Didier Wimmers Executive VP of R&D | FTax withholding Common Stock | -54 | $101.60 | $5,486 | 13,636 | 10 d ago |
| Oct 1, 2026 | Chris Siu CFO | FTax withholding Common Stock | -194 | $101.60 | $20k | 77,134 | 11 d ago |
| Oct 1, 2026 | Chris Siu CFO | JOther Common Stockindirect: By Trust | +1,089 | $6.67 | $7,266 | 6,795 | 11 d ago |
| Sep 3, 2026 | Didier Wimmers Executive VP of R&D | FTax withholding Common Stock | -317 | $76.27 | $24k | 12,379 | 39 d ago |
| Sep 1, 2026 | Chris Siu CFO | FTax withholding Common Stock | -496 | $76.59 | $38k | 77,328 | 41 d ago |
| Dec 3, 2025 | Didier Wimmers Executive VP of R&D | FTax withholding Common Stock | -371 | $24.76 | $9,186 | 14,550 | Dec 3, 2025 |
| Dec 1, 2025 | Chris Siu CFO | FTax withholding Common Stock | -349 | $22.53 | $7,863 | 74,365 | Dec 1, 2025 |
| Nov 5, 2025 | Howard T Slayen Director | SOpen-market sale Common Stock | -6,000 | $25.73 | $154k | 218,328 | Nov 5, 2025 |
| Nov 3, 2025 | Alberto Salamone EVP, PPBI BUSINESS | FTax withholding Common Stock | -203 | $25.99 | $5,276 | 77,776 | Nov 3, 2025 |
| Oct 27, 2025 | Gayn Erickson President and CEO | FTax withholding Common Stock | -819 | $25.14 | $21k | 261,095 | Oct 27, 2025 |
| Oct 27, 2025 | Alistair N Sporck VP Contactor Business Unit | FTax withholding Common Stock | -132 | $25.14 | $3,318 | 29,228 | Oct 27, 2025 |
| Oct 27, 2025 | Donald P. Richmond II CTO | FTax withholding Common Stock | -102 | $25.14 | $2,564 | 214,518 | Oct 27, 2025 |
| Oct 27, 2025 | Vernon Rogers Exec VP of Sales & Mktg. | FTax withholding Common Stock | -197 | $25.14 | $4,953 | 178,792 | Oct 27, 2025 |
| Oct 27, 2025 | Adil Engineer Chief Operating Officer | FTax withholding Common Stock | -142 | $25.14 | $3,570 | 46,784 | Oct 27, 2025 |
| Oct 22, 2025 | Vernon Rogers Exec VP of Sales & Mktg. | MOption exercise Common Stock | +110,283 | $2.03 | $224k | 178,804 | Oct 22, 2025 |
| Oct 22, 2025 | Vernon Rogers Exec VP of Sales & Mktg. | MOption exercise Common Stock | +185 | $2.03 | $376 | 178,989 | Oct 22, 2025 |
| Oct 22, 2025 | Vernon Rogers Exec VP of Sales & Mktg. | MOption exercise Option (right to buy)derivative | -110,283 | $0.00 | $0 | 0 | Oct 22, 2025 |
| Oct 22, 2025 | Vernon Rogers Exec VP of Sales & Mktg. | MOption exercise Non-Qualified Option (right to buy)derivative | -185 | $0.00 | $0 | 0 | Oct 22, 2025 |
| Oct 20, 2025 | Alistair N Sporck VP Contactor Business Unit | FTax withholding Common Stock | -336 | $24.76 | $8,319 | 29,360 | Oct 20, 2025 |
| Oct 13, 2025 | Vernon Rogers Exec. VP Sales and Marketing | FTax withholding Common Stock | -502 | $25.52 | $13k | 68,924 | Oct 15, 2025 |
| Oct 14, 2025 | Vernon Rogers Exec. VP Sales and Marketing | FTax withholding Common Stock | -403 | $27.29 | $11k | 68,521 | Oct 15, 2025 |
| Oct 13, 2025 | Adil Engineer Chief Operating Officer | FTax withholding Common Stock | -385 | $25.52 | $9,825 | 46,926 | Oct 14, 2025 |
| Oct 13, 2025 | Gayn Erickson President and CEO | FTax withholding Common Stock | -3,791 | $25.52 | $97k | 265,362 | Oct 14, 2025 |
| Oct 13, 2025 | Donald P. Richmond II CTO | FTax withholding Common Stock | -422 | $25.52 | $11k | 214,918 | Oct 14, 2025 |
| Oct 13, 2025 | Vernon Rogers Exec VP of Sales & Mktg. | FTax withholding Common Stock | -1,399 | $25.52 | $36k | 68,027 | Oct 14, 2025 |
| Oct 13, 2025 | Chris Siu CFO | FTax withholding Common Stock | -695 | $23.49 | $16k | 74,714 | Oct 14, 2025 |
| Oct 13, 2025 | Alistair N Sporck VP Contactor Business Unit | FTax withholding Common Stock | -208 | $23.49 | $4,886 | 29,696 | Oct 14, 2025 |
| Oct 14, 2025 | Gayn Erickson President and CEO | FTax withholding Common Stock | -3,448 | $27.29 | $94k | 261,914 | Oct 14, 2025 |
| Oct 14, 2025 | Donald P. Richmond II CTO | FTax withholding Common Stock | -298 | $27.29 | $8,132 | 214,620 | Oct 14, 2025 |
| Oct 14, 2025 | Vernon Rogers Exec VP of Sales & Mktg. | FTax withholding Common Stock | -1,125 | $27.29 | $31k | 66,902 | Oct 14, 2025 |
| Oct 9, 2025 | Fariba Danesh Director | SOpen-market sale Common Stock | -2,665 | $24.87 | $66k | 22,978 | Oct 10, 2025 |
| Oct 9, 2025 | Fariba Danesh Director | SOpen-market sale Common Stock | -6,335 | $24.76 | $157k | 16,643 | Oct 10, 2025 |
| Oct 2, 2025 | Gayn Erickson President and CEO | FTax withholding Common Stock | -439 | $32.25 | $14k | 269,153 | Oct 9, 2025 |
| Oct 2, 2025 | Alberto Salamone EVP, PPBI BUSINESS | FTax withholding Common Stock | -406 | $32.25 | $13k | 77,979 | Oct 8, 2025 |
| Oct 2, 2025 | Alistair N Sporck VP Contactor Business Unit | FTax withholding Common Stock | -51 | $32.25 | $1,645 | 29,904 | Oct 8, 2025 |
| Oct 2, 2025 | Adil Engineer Chief Operating Officer | FTax withholding Common Stock | -51 | $32.25 | $1,645 | 47,311 | Oct 8, 2025 |
| Oct 2, 2025 | Donald P. Richmond II CTO | FTax withholding Common Stock | -38 | $32.25 | $1,226 | 215,340 | Oct 8, 2025 |
| Oct 2, 2025 | Vernon Rogers Exec VP of Sales & Mktg. | FTax withholding Common Stock | -36 | $32.25 | $1,161 | 69,426 | Oct 8, 2025 |
| Oct 2, 2025 | Chris Siu CFO | FTax withholding Common Stock | -126 | $32.25 | $4,064 | 75,409 | Oct 8, 2025 |
| Oct 2, 2025 | Adil Engineer Chief Operating Officer | FTax withholding Common Stock | -385 | $32.25 | $12k | 47,362 | Oct 2, 2025 |
| Oct 2, 2025 | Gayn Erickson President and CEO | FTax withholding Common Stock | -2,069 | $32.25 | $67k | 269,592 | Oct 2, 2025 |
| Oct 2, 2025 | Donald P. Richmond II CTO | FTax withholding Common Stock | -272 | $32.25 | $8,772 | 215,378 | Oct 2, 2025 |
| Oct 2, 2025 | Vernon Rogers Exec VP of Sales & Mktg. | FTax withholding Common Stock | -299 | $32.25 | $9,643 | 69,462 | Oct 2, 2025 |
| Oct 2, 2025 | Alberto Salamone EVP, PPBI BUSINESS | FTax withholding Common Stock | -148 | $32.25 | $4,773 | 78,385 | Oct 2, 2025 |
| Oct 2, 2025 | Chris Siu CFO | FTax withholding Common Stock | -694 | $32.25 | $22k | 75,535 | Oct 2, 2025 |
| Oct 2, 2025 | Alistair N Sporck VP Contactor Business Unit | FTax withholding Common Stock | -207 | $32.25 | $6,676 | 29,955 | Oct 2, 2025 |
| Oct 1, 2025 | Adil Engineer Chief Operating Officer | JOther Common Stock | +730 | $6.67 | $4,871 | 47,747 | Oct 1, 2025 |
| Oct 1, 2025 | Gayn Erickson President and CEO | JOther Common Stockindirect: By Trust | +540 | $6.67 | $3,603 | 291,628 | Oct 1, 2025 |
| Oct 1, 2025 | Donald P. Richmond II CTO | JOther Common Stock | +1,064 | $6.67 | $7,100 | 215,650 | Oct 1, 2025 |
| Oct 1, 2025 | Vernon Rogers Exec VP of Sales & Mktg. | JOther Common Stock | +1,330 | $6.67 | $8,874 | 69,761 | Oct 1, 2025 |
| Oct 1, 2025 | Chris Siu CFO | JOther Common Stockindirect: By Trust | +1,009 | $6.67 | $6,733 | 5,211 | Oct 1, 2025 |
| Oct 1, 2025 | Alistair N Sporck VP Contactor Business Unit | JOther Common Stockindirect: By Trust | +1,221 | $6.67 | $8,147 | 5,214 | Oct 1, 2025 |
| Oct 1, 2025 | Alberto Salamone EVP, PPBI BUSINESS | JOther Common Stock | +184 | $6.67 | $1,228 | 78,533 | Oct 1, 2025 |
| Oct 1, 2025 | Didier Wimmers Executive VP of R&D | JOther Common Stock | +1,628 | $6.67 | $11k | 14,921 | Oct 1, 2025 |
| Sep 24, 2025 | Howard T Slayen Director | GGift Common Stock | -5,000 | $0.00 | $0 | 224,328 | Sep 25, 2025 |
| Sep 3, 2025 | Didier Wimmers Executive VP of R&D | FTax withholding Common Stock | -308 | $24.52 | $7,552 | 13,293 | Sep 3, 2025 |
| Sep 2, 2025 | Howard T Slayen Director | GGift Common Stock | -639 | $0.00 | $0 | 229,328 | Sep 2, 2025 |
| Sep 2, 2025 | Chris Siu CFO | FTax withholding Common Stock | -349 | $24.88 | $8,683 | 76,229 | Sep 2, 2025 |
| Aug 1, 2025 | Alberto Salamone EVP, PPBI BUSINESS | FTax withholding Common Stock | -186 | $16.84 | $3,132 | 78,349 | Aug 5, 2025 |
| Jul 28, 2025 | Adil Engineer Chief Operating Officer | FTax withholding Common Stock | -150 | $21.74 | $3,261 | 47,017 | Jul 29, 2025 |
| Jul 28, 2025 | Gayn Erickson President and CEO | FTax withholding Common Stock | -850 | $21.74 | $18k | 271,661 | Jul 29, 2025 |
| Jul 28, 2025 | Vernon Rogers Exec VP of Sales & Mktg. | FTax withholding Common Stock | -147 | $21.74 | $3,196 | 68,431 | Jul 29, 2025 |
| Jul 28, 2025 | Alistair N Sporck VP Contactor Business Unit | FTax withholding Common Stock | -140 | $21.74 | $3,044 | 30,162 | Jul 29, 2025 |
| Jul 28, 2025 | Donald P. Richmond II CTO | FTax withholding Common Stock | -108 | $21.74 | $2,348 | 214,586 | Jul 29, 2025 |
| Jul 25, 2025 | Laura Oliphant Director | SOpen-market sale Common Stockindirect: By Trust | -5,000 | $21.50 | $108k | 7,665 | Jul 25, 2025 |
| Jul 22, 2025 | Rhea J Posedel Director | MOption exercise Common Stock | +18,000 | $2.40 | $43k | 89,163 | Jul 24, 2025 |
| Jul 22, 2025 | Rhea J Posedel Director | SOpen-market sale Common Stock | -18,000 | $19.83 | $357k | 71,163 | Jul 24, 2025 |
| Jul 22, 2025 | Rhea J Posedel Director | MOption exercise Non-Qualified Option (right to buy)derivative | -18,000 | $0.00 | $0 | 0 | Jul 24, 2025 |
| Jul 15, 2025 | Alistair N Sporck VP Contactor Business Unit | SOpen-market sale Common Stock | -3,000 | $14.13 | $42k | 30,808 | Jul 18, 2025 |
| Jul 18, 2025 | Alistair N Sporck VP Contactor Business Unit | FTax withholding Common Stock | -506 | $15.07 | $7,625 | 30,302 | Jul 18, 2025 |
| Jul 14, 2025 | Donald P. Richmond II CTO | FTax withholding Common Stock | -811 | $13.86 | $11k | 214,694 | Jul 14, 2025 |
| Jul 14, 2025 | Vernon Rogers Exec VP of Sales & Mktg. | FTax withholding Common Stock | -1,058 | $13.86 | $15k | 68,578 | Jul 14, 2025 |
| Jul 14, 2025 | Gayn Erickson President and CEO | FTax withholding Common Stock | -4,518 | $13.86 | $63k | 272,511 | Jul 14, 2025 |
| Jul 11, 2025 | Adil Engineer Chief Operating Officer | FTax withholding Common Stock | -580 | $14.11 | $8,184 | 47,167 | Jul 11, 2025 |
| Jul 11, 2025 | Gayn Erickson President and CEO | FTax withholding Common Stock | -2,489 | $14.11 | $35k | 278,081 | Jul 11, 2025 |
| Jul 11, 2025 | Donald P. Richmond II CTO | FTax withholding Common Stock | -410 | $14.11 | $5,785 | 215,730 | Jul 11, 2025 |
| Jul 11, 2025 | Vernon Rogers Exec VP of Sales & Mktg. | FTax withholding Common Stock | -450 | $14.11 | $6,350 | 69,940 | Jul 11, 2025 |
| Jul 11, 2025 | Chris Siu CFO | FTax withholding Common Stock | -1,045 | $14.11 | $15k | 76,578 | Jul 11, 2025 |
| Jul 11, 2025 | Alistair N Sporck VP Contactor Business Unit | FTax withholding Common Stock | -312 | $14.11 | $4,402 | 33,808 | Jul 11, 2025 |
| Jul 11, 2025 | Gayn Erickson President and CEO | FTax withholding Common Stock | -1,052 | $14.11 | $15k | 277,029 | Jul 11, 2025 |
Insiders
Everyone who has filed a Form 4 here.
- Fariba DaneshDirector
- Adil EngineerChief Operating Officer
- Gayn EricksonPresident and CEO
- Laura OliphantDirector
- Rhea J PosedelDirector
- Donald P. Richmond IICTO
- Vernon RogersExec. VP Sales and Marketing
- Alberto SalamoneEVP, PPBI BUSINESS
- Howard T SlayenDirector
- Alistair N SporckVP Contactor Business Unit
- Chris SiuCFO
- Didier WimmersExecutive VP of R&D
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.