WIMMERS DIDIER
- Shares
- 10.33K
- % company
- 0.03%
- Price
- $114.59
- Value
- $1,183,371
Filed Jun 3, 2026
Methodology published · Market data, model notes, and corrections process are public · Data policy · Corrections policy
NASDAQ · TECHNOLOGY · Holders
Aehr Test Systems (AEHR) Institutional Ownership & Insider Trading History
Recent insider purchases and sales for AEHR from Form 4 filings. Institutional holdings surface here when ownership sources publish.
Section freshness
Price Jun 26, 4:00 PM EDT · Statements Feb 27, 7:00 PM EST
Source timingDetailsHide
Data freshness
Prices update fastest. Fundamentals, analyst data, and news update on their own schedules, so check these timestamps before comparing signals.
Price time means the latest available trade or regular-market close. Other times show when that section was checked or published.
PriceLive
Last traded •
Source: Market data provider
Fundamentalsevery 1 day
Provider checked •
Source: Market data provider
Analystevery 1 day
Provider checked •
Source: Market data provider
Newsevery 4 hr
Latest item •
Source: Market data provider
Ownership read
AEHR insider sentiment: Net selling.
53 sales and 0 purchases appear in the recent Form 4 filings. Use the filters below to separate real buying and selling from option exercises, gifts, awards, and tax withholding.
Insider flow
AEHR
Purchases—
Sales5.95M
Directional bars ignore awards, gifts, conversions, and tax withholding rows.
Top holder
—
Institutional data pending
Insider stance
Net selling
$449.57M sold / — bought
Latest filing
Jun 3, 2026
Most recent holder or insider filing date
Filings shown
120
0 holder / 120 insider
- Holder rows
- Pending
- Market data source
- Latest filing
- Jun 3, 2026
- Most recent holder or insider filing date
- Increased / initiated
- Pending
- 0 decreased
- Insider rows
- 120
- Market data source
Recent insider transactions
Aehr Test Systems (AEHR) Form 4 filings
Action codes are translated so open-market buys and sales are separate from awards, gifts, conversions, and tax withholding.
Siu Chris
- Shares
- 69.92K
- % company
- 0.22%
- Price
- $93.62
- Value
- $6,545,910
Filed Jun 1, 2026
Siu Chris
- Shares
- 5.71K
- % company
- 0.02%
- Price
- $106.78
- Value
- $609,287
Filed May 14, 2026
Siu Chris
- Shares
- 70.27K
- % company
- 0.22%
- Price
- $108.00
- Value
- $7,589,160
Filed May 14, 2026
SLAYEN HOWARD T
- Shares
- 169.71K
- % company
- 0.54%
- Price
- $104.73
- Value
- $17,773,624
Filed May 13, 2026
SALAMONE ALBERTO
- Shares
- 47.82K
- % company
- 0.15%
- Price
- $93.07
- Value
- $4,450,700
Filed May 1, 2026
SCOTT GEOFFREY GATES
- Shares
- 40.69K
- % company
- 0.13%
- Price
- Non-cash
- Value
- Non-cash
Filed Apr 29, 2026
SCOTT GEOFFREY GATES
- Shares
- 40.69K
- % company
- 0.13%
- Price
- Withheld
- Value
- Withheld
Filed Apr 29, 2026
SPORCK ALISTAIR N
- Shares
- 20.16K
- % company
- 0.06%
- Price
- $88.48
- Value
- $1,783,845
Filed Apr 27, 2026
ROGERS VERNON
- Shares
- 147.58K
- % company
- 0.47%
- Price
- $88.48
- Value
- $13,057,613
Filed Apr 27, 2026
RICHMOND DONALD P. II
- Shares
- 181.41K
- % company
- 0.58%
- Price
- $88.48
- Value
- $16,051,157
Filed Apr 27, 2026
Erickson Gayn
- Shares
- 184.66K
- % company
- 0.59%
- Price
- $88.48
- Value
- $16,338,717
Filed Apr 27, 2026
ENGINEER ADIL
- Shares
- 40.91K
- % company
- 0.13%
- Price
- $88.48
- Value
- $3,619,894
Filed Apr 27, 2026
POSEDEL RHEA J
- Shares
- 396.38K
- % company
- 1.26%
- Price
- $95.00
- Value
- $37,655,625
Filed Apr 22, 2026
POSEDEL RHEA J
- Shares
- 45.26K
- % company
- 0.14%
- Price
- $100.00
- Value
- $4,526,100
Filed Apr 22, 2026
SPORCK ALISTAIR N
- Shares
- 5.18K
- % company
- 0.02%
- Price
- $93.50
- Value
- $484,024
Filed Apr 22, 2026
SLAYEN HOWARD T
- Shares
- 176.53K
- % company
- 0.56%
- Price
- Non-cash
- Value
- Non-cash
Filed Apr 22, 2026
SALAMONE ALBERTO
- Shares
- 48.02K
- % company
- 0.15%
- Price
- $94.56
- Value
- $4,541,244
Filed Apr 21, 2026
SCOTT GEOFFREY GATES
- Shares
- 50.00K
- % company
- 0.16%
- Price
- $95.00
- Value
- $4,750,000
Filed Apr 21, 2026
SCOTT GEOFFREY GATES
- Shares
- 50.69K
- % company
- 0.16%
- Price
- $91.00
- Value
- $4,612,426
Filed Apr 21, 2026
POSEDEL RHEA J
- Shares
- 62.38K
- % company
- 0.20%
- Price
- $96.02
- Value
- $5,989,549
Filed Apr 21, 2026
ROGERS VERNON
- Shares
- 152.72K
- % company
- 0.49%
- Price
- $94.09
- Value
- $14,369,110
Filed Apr 21, 2026
SALAMONE ALBERTO
- Shares
- 63.02K
- % company
- 0.20%
- Price
- $89.57
- Value
- $5,645,149
Filed Apr 20, 2026
ROGERS VERNON
- Shares
- 147.72K
- % company
- 0.47%
- Price
- $90.00
- Value
- $13,294,440
Filed Apr 20, 2026
ROGERS VERNON
- Shares
- 159.20K
- % company
- 0.51%
- Price
- $90.00
- Value
- $14,328,180
Filed Apr 20, 2026
POSEDEL RHEA J
- Shares
- 396.98K
- % company
- 1.26%
- Price
- $88.09
- Value
- $34,969,880
Filed Apr 20, 2026
SPORCK ALISTAIR N
- Shares
- 20.29K
- % company
- 0.06%
- Price
- $83.86
- Value
- $1,701,855
Filed Apr 18, 2026
POSEDEL RHEA J
- Shares
- 404.48K
- % company
- 1.29%
- Price
- $82.00
- Value
- $33,167,278
Filed Apr 17, 2026
SLAYEN HOWARD T
- Shares
- 178.33K
- % company
- 0.57%
- Price
- $85.00
- Value
- $15,157,880
Filed Apr 17, 2026
DANESH FARIBA
- Shares
- —
- % company
- —
- Price
- No cash value
- Value
- No cash value
Filed Apr 16, 2026
DANESH FARIBA
- Shares
- 13.14K
- % company
- 0.04%
- Price
- $82.63
- Value
- $1,086,006
Filed Apr 16, 2026
DANESH FARIBA
- Shares
- 21.14K
- % company
- 0.07%
- Price
- $2.25
- Value
- $47,572
Filed Apr 16, 2026
OLIPHANT LAURA
- Shares
- 16.72K
- % company
- 0.05%
- Price
- $81.54
- Value
- $1,363,023
Filed Apr 16, 2026
ROGERS VERNON
- Shares
- 161.63K
- % company
- 0.51%
- Price
- $86.88
- Value
- $14,042,675
Filed Apr 16, 2026
SPORCK ALISTAIR N
- Shares
- 20.64K
- % company
- 0.07%
- Price
- $81.88
- Value
- $1,689,594
Filed Apr 16, 2026
OLIPHANT LAURA
- Shares
- —
- % company
- —
- Price
- $85.59
- Value
- Not reported
Filed Apr 16, 2026
POSEDEL RHEA J
- Shares
- 411.98K
- % company
- 1.31%
- Price
- $80.72
- Value
- $33,254,945
Filed Apr 16, 2026
WIMMERS DIDIER
- Shares
- 10.66K
- % company
- 0.03%
- Price
- $72.02
- Value
- $767,703
Filed Apr 15, 2026
RICHMOND DONALD P. II
- Shares
- 181.51K
- % company
- 0.58%
- Price
- $73.18
- Value
- $13,282,395
Filed Apr 14, 2026
Erickson Gayn
- Shares
- 185.51K
- % company
- 0.59%
- Price
- $74.38
- Value
- $13,798,308
Filed Apr 14, 2026
ROGERS VERNON
- Shares
- 166.63K
- % company
- 0.53%
- Price
- $74.38
- Value
- $12,394,163
Filed Apr 14, 2026
RICHMOND DONALD P. II
- Shares
- 198.52K
- % company
- 0.63%
- Price
- $74.38
- Value
- $14,766,141
Filed Apr 14, 2026
WIMMERS DIDIER
- Shares
- 12.56K
- % company
- 0.04%
- Price
- $71.11
- Value
- $893,073
Filed Apr 13, 2026
DANESH FARIBA
- Shares
- 8.00K
- % company
- 0.03%
- Price
- No cash value
- Value
- No cash value
Filed Apr 13, 2026
DANESH FARIBA
- Shares
- 13.14K
- % company
- 0.04%
- Price
- $71.49
- Value
- $939,594
Filed Apr 13, 2026
DANESH FARIBA
- Shares
- 20.14K
- % company
- 0.06%
- Price
- $2.25
- Value
- $45,322
Filed Apr 13, 2026
Siu Chris
- Shares
- 70.74K
- % company
- 0.22%
- Price
- $70.43
- Value
- $4,982,218
Filed Apr 11, 2026
ROGERS VERNON
- Shares
- 167.04K
- % company
- 0.53%
- Price
- $70.43
- Value
- $11,764,416
Filed Apr 11, 2026
RICHMOND DONALD P. II
- Shares
- 198.82K
- % company
- 0.63%
- Price
- $70.43
- Value
- $14,003,033
Filed Apr 11, 2026
Erickson Gayn
- Shares
- 188.29K
- % company
- 0.60%
- Price
- $70.43
- Value
- $13,261,617
Filed Apr 11, 2026
SPORCK ALISTAIR N
- Shares
- 22.64K
- % company
- 0.07%
- Price
- $70.43
- Value
- $1,594,183
Filed Apr 11, 2026
ENGINEER ADIL
- Shares
- 41.05K
- % company
- 0.13%
- Price
- $70.43
- Value
- $2,891,504
Filed Apr 11, 2026
Erickson Gayn
- Shares
- 197.72K
- % company
- 0.63%
- Price
- $70.58
- Value
- $13,955,902
Filed Apr 10, 2026
Erickson Gayn
- Shares
- 192.00K
- % company
- 0.61%
- Price
- $70.58
- Value
- $13,551,885
Filed Apr 10, 2026
SPORCK ALISTAIR N
- Shares
- 22.86K
- % company
- 0.07%
- Price
- $67.37
- Value
- $1,539,627
Filed Apr 10, 2026
DANESH FARIBA
- Shares
- 13.14K
- % company
- 0.04%
- Price
- $70.05
- Value
- $920,601
Filed Apr 10, 2026
ROGERS VERNON
- Shares
- 167.54K
- % company
- 0.53%
- Price
- $70.00
- Value
- $11,727,800
Filed Apr 10, 2026
SCOTT GEOFFREY GATES
- Shares
- 100.00K
- % company
- 0.32%
- Price
- $67.79
- Value
- $6,779,000
Filed Apr 9, 2026
SCOTT GEOFFREY GATES
- Shares
- 110.00K
- % company
- 0.35%
- Price
- $68.12
- Value
- $7,493,200
Filed Apr 9, 2026
SCOTT GEOFFREY GATES
- Shares
- 135.00K
- % company
- 0.43%
- Price
- $68.00
- Value
- $9,180,000
Filed Apr 9, 2026
ENGINEER ADIL
- Shares
- 41.44K
- % company
- 0.13%
- Price
- $66.27
- Value
- $2,746,295
Filed Apr 9, 2026
ENGINEER ADIL
- Shares
- 42.64K
- % company
- 0.14%
- Price
- $66.32
- Value
- $2,827,738
Filed Apr 9, 2026
ENGINEER ADIL
- Shares
- 38.83K
- % company
- 0.12%
- Price
- No cash value
- Value
- No cash value
Filed Apr 9, 2026
ENGINEER ADIL
- Shares
- 45.17K
- % company
- 0.14%
- Price
- $68.34
- Value
- $3,086,849
Filed Apr 9, 2026
ENGINEER ADIL
- Shares
- 47.67K
- % company
- 0.15%
- Price
- $68.15
- Value
- $3,248,685
Filed Apr 9, 2026
ENGINEER ADIL
- Shares
- 58.25K
- % company
- 0.19%
- Price
- $9.45
- Value
- $550,500
Filed Apr 9, 2026
RICHMOND DONALD P. II
- Shares
- 199.25K
- % company
- 0.63%
- Price
- $68.68
- Value
- $13,685,123
Filed Apr 9, 2026
OLIPHANT LAURA
- Shares
- 4.67K
- % company
- 0.01%
- Price
- $68.36
- Value
- $318,888
Filed Apr 9, 2026
POSEDEL RHEA J
- Shares
- 426.98K
- % company
- 1.36%
- Price
- $70.00
- Value
- $29,888,530
Filed Apr 9, 2026
SCOTT GEOFFREY GATES
- Shares
- 105.00K
- % company
- 0.33%
- Price
- $67.90
- Value
- $7,129,500
Filed Apr 9, 2026
SCOTT GEOFFREY GATES
- Shares
- 110.00K
- % company
- 0.35%
- Price
- $67.75
- Value
- $7,452,500
Filed Apr 9, 2026
SCOTT GEOFFREY GATES
- Shares
- 135.00K
- % company
- 0.43%
- Price
- $68.00
- Value
- $9,180,000
Filed Apr 9, 2026
Erickson Gayn
- Shares
- 248.79K
- % company
- 0.79%
- Price
- $44.32
- Value
- $11,026,240
Filed Apr 2, 2026
SPORCK ALISTAIR N
- Shares
- 24.86K
- % company
- 0.08%
- Price
- $44.32
- Value
- $1,101,574
Filed Apr 2, 2026
Siu Chris
- Shares
- 71.44K
- % company
- 0.23%
- Price
- $44.32
- Value
- $3,166,088
Filed Apr 2, 2026
SALAMONE ALBERTO
- Shares
- 78.03K
- % company
- 0.25%
- Price
- $44.32
- Value
- $3,458,068
Filed Apr 2, 2026
ROGERS VERNON
- Shares
- 178.43K
- % company
- 0.57%
- Price
- $44.32
- Value
- $7,907,929
Filed Apr 2, 2026
RICHMOND DONALD P. II
- Shares
- 215.00K
- % company
- 0.68%
- Price
- $44.32
- Value
- $9,528,623
Filed Apr 2, 2026
Erickson Gayn
- Shares
- 250.92K
- % company
- 0.80%
- Price
- $44.32
- Value
- $11,120,686
Filed Apr 2, 2026
ENGINEER ADIL
- Shares
- 47.67K
- % company
- 0.15%
- Price
- $44.32
- Value
- $2,112,823
Filed Apr 2, 2026
Erickson Gayn
- Shares
- 293.76K
- % company
- 0.93%
- Price
- $6.67
- Value
- $1,959,373
Filed Apr 1, 2026
WIMMERS DIDIER
- Shares
- 16.06K
- % company
- 0.05%
- Price
- $6.67
- Value
- $107,154
Filed Apr 1, 2026
SPORCK ALISTAIR N
- Shares
- 7.18K
- % company
- 0.02%
- Price
- $6.67
- Value
- $47,889
Filed Apr 1, 2026
Siu Chris
- Shares
- 7.31K
- % company
- 0.02%
- Price
- $6.67
- Value
- $48,749
Filed Apr 1, 2026
SALAMONE ALBERTO
- Shares
- 78.58K
- % company
- 0.25%
- Price
- $6.67
- Value
- $524,312
Filed Apr 1, 2026
ROGERS VERNON
- Shares
- 178.76K
- % company
- 0.57%
- Price
- $6.67
- Value
- $1,192,803
Filed Apr 1, 2026
RICHMOND DONALD P. II
- Shares
- 215.34K
- % company
- 0.68%
- Price
- $6.67
- Value
- $1,436,836
Filed Apr 1, 2026
Erickson Gayn
- Shares
- 253.43K
- % company
- 0.81%
- Price
- $6.67
- Value
- $1,691,012
Filed Apr 1, 2026
ENGINEER ADIL
- Shares
- 48.13K
- % company
- 0.15%
- Price
- $6.67
- Value
- $321,147
Filed Apr 1, 2026
SCOTT GEOFFREY GATES
- Shares
- 52.86K
- % company
- 0.17%
- Price
- Non-cash
- Value
- Non-cash
Filed Mar 10, 2026
WIMMERS DIDIER
- Shares
- 14.19K
- % company
- 0.05%
- Price
- $41.64
- Value
- $590,705
Filed Mar 3, 2026
Siu Chris
- Shares
- 72.26K
- % company
- 0.23%
- Price
- $37.43
- Value
- $2,704,617
Filed Mar 1, 2026
POSEDEL RHEA J
- Shares
- 456.98K
- % company
- 1.45%
- Price
- $30.02
- Value
- $13,716,270
Filed Feb 13, 2026
SPORCK ALISTAIR N
- Shares
- 25.15K
- % company
- 0.08%
- Price
- $27.59
- Value
- $693,971
Filed Feb 9, 2026
SPORCK ALISTAIR N
- Shares
- 25.45K
- % company
- 0.08%
- Price
- $27.57
- Value
- $701,739
Filed Feb 9, 2026
SLAYEN HOWARD T
- Shares
- 203.33K
- % company
- 0.65%
- Price
- Non-cash
- Value
- Non-cash
Filed Feb 4, 2026
SLAYEN HOWARD T
- Shares
- 208.33K
- % company
- 0.66%
- Price
- Non-cash
- Value
- Non-cash
Filed Feb 4, 2026
SLAYEN HOWARD T
- Shares
- 213.33K
- % company
- 0.68%
- Price
- Non-cash
- Value
- Non-cash
Filed Feb 4, 2026
SALAMONE ALBERTO
- Shares
- 76.91K
- % company
- 0.24%
- Price
- $25.64
- Value
- $1,971,870
Filed Feb 1, 2026
SPORCK ALISTAIR N
- Shares
- 28.15K
- % company
- 0.09%
- Price
- $27.75
- Value
- $781,246
Filed Jan 27, 2026
ROGERS VERNON
- Shares
- 177.21K
- % company
- 0.56%
- Price
- $27.75
- Value
- $4,917,467
Filed Jan 27, 2026
RICHMOND DONALD P. II
- Shares
- 213.22K
- % company
- 0.68%
- Price
- $27.75
- Value
- $5,916,772
Filed Jan 27, 2026
Erickson Gayn
- Shares
- 251.30K
- % company
- 0.80%
- Price
- $27.75
- Value
- $6,973,547
Filed Jan 27, 2026
ENGINEER ADIL
- Shares
- 45.68K
- % company
- 0.15%
- Price
- $27.75
- Value
- $1,267,509
Filed Jan 27, 2026
OLIPHANT LAURA
- Shares
- 18.43K
- % company
- 0.06%
- Price
- $31.49
- Value
- $580,332
Filed Jan 22, 2026
OLIPHANT LAURA
- Shares
- 18.57K
- % company
- 0.06%
- Price
- $31.46
- Value
- $584,275
Filed Jan 22, 2026
OLIPHANT LAURA
- Shares
- 18.67K
- % company
- 0.06%
- Price
- $31.45
- Value
- $587,234
Filed Jan 22, 2026
OLIPHANT LAURA
- Shares
- 18.85K
- % company
- 0.06%
- Price
- $31.44
- Value
- $592,707
Filed Jan 22, 2026
OLIPHANT LAURA
- Shares
- 19.88K
- % company
- 0.06%
- Price
- $31.38
- Value
- $623,772
Filed Jan 22, 2026
SPORCK ALISTAIR N
- Shares
- 28.30K
- % company
- 0.09%
- Price
- $28.81
- Value
- $815,467
Filed Jan 19, 2026
ROGERS VERNON
- Shares
- 177.37K
- % company
- 0.56%
- Price
- $25.97
- Value
- $4,606,195
Filed Jan 14, 2026
RICHMOND DONALD P. II
- Shares
- 213.33K
- % company
- 0.68%
- Price
- $25.97
- Value
- $5,540,284
Filed Jan 14, 2026
Erickson Gayn
- Shares
- 252.12K
- % company
- 0.80%
- Price
- $25.97
- Value
- $6,547,530
Filed Jan 14, 2026
RICHMOND DONALD P. II
- Shares
- 213.68K
- % company
- 0.68%
- Price
- $26.32
- Value
- $5,623,979
Filed Jan 11, 2026
Erickson Gayn
- Shares
- 254.80K
- % company
- 0.81%
- Price
- $26.32
- Value
- $6,706,310
Filed Jan 11, 2026
ROGERS VERNON
- Shares
- 177.83K
- % company
- 0.57%
- Price
- $26.32
- Value
- $4,680,486
Filed Jan 11, 2026
RICHMOND DONALD P. II
- Shares
- 213.59K
- % company
- 0.68%
- Price
- $26.32
- Value
- $5,621,610
Filed Jan 11, 2026
Siu Chris
- Shares
- 72.63K
- % company
- 0.23%
- Price
- $26.32
- Value
- $1,911,516
Filed Jan 11, 2026
SPORCK ALISTAIR N
- Shares
- 28.69K
- % company
- 0.09%
- Price
- $26.32
- Value
- $755,173
Filed Jan 11, 2026
ENGINEER ADIL
- Shares
- 45.84K
- % company
- 0.15%
- Price
- $26.32
- Value
- $1,206,482
Filed Jan 11, 2026
| # | Insider | % company | Action | Shares | Price | Value | Filing date |
|---|---|---|---|---|---|---|---|
| 1 | WIMMERS DIDIER | 0.03% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 10.33K | $114.59 | $1,183,371 | Jun 3, 2026 |
| 2 | Siu Chris | 0.22% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 69.92K | $93.62 | $6,545,910 | Jun 1, 2026 |
| 3 | Siu Chris | 0.02% | SaleOpen-market or direct sale reported on Form 4. | 5.71K | $106.78 | $609,287 | May 14, 2026 |
| 4 | Siu Chris | 0.22% | SaleOpen-market or direct sale reported on Form 4. | 70.27K | $108.00 | $7,589,160 | May 14, 2026 |
| 5 | SLAYEN HOWARD T | 0.54% | SaleOpen-market or direct sale reported on Form 4. | 169.71K | $104.73 | $17,773,624 | May 13, 2026 |
| 6 | SALAMONE ALBERTO | 0.15% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 47.82K | $93.07 | $4,450,700 | May 1, 2026 |
| 7 | SCOTT GEOFFREY GATES | 0.13% | GiftGift transfer. Usually non-cash and not an open-market sale. | 40.69K | Non-cash | Non-cash | Apr 29, 2026 |
| 8 | SCOTT GEOFFREY GATES | 0.13% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 40.69K | Withheld | Withheld | Apr 29, 2026 |
| 9 | SPORCK ALISTAIR N | 0.06% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 20.16K | $88.48 | $1,783,845 | Apr 27, 2026 |
| 10 | ROGERS VERNON | 0.47% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 147.58K | $88.48 | $13,057,613 | Apr 27, 2026 |
| 11 | RICHMOND DONALD P. II | 0.58% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 181.41K | $88.48 | $16,051,157 | Apr 27, 2026 |
| 12 | Erickson Gayn | 0.59% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 184.66K | $88.48 | $16,338,717 | Apr 27, 2026 |
| 13 | ENGINEER ADIL | 0.13% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 40.91K | $88.48 | $3,619,894 | Apr 27, 2026 |
| 14 | POSEDEL RHEA J | 1.26% | SaleOpen-market or direct sale reported on Form 4. | 396.38K | $95.00 | $37,655,625 | Apr 22, 2026 |
| 15 | POSEDEL RHEA J | 0.14% | SaleOpen-market or direct sale reported on Form 4. | 45.26K | $100.00 | $4,526,100 | Apr 22, 2026 |
| 16 | SPORCK ALISTAIR N | 0.02% | SaleOpen-market or direct sale reported on Form 4. | 5.18K | $93.50 | $484,024 | Apr 22, 2026 |
| 17 | SLAYEN HOWARD T | 0.56% | GiftGift transfer. Usually non-cash and not an open-market sale. | 176.53K | Non-cash | Non-cash | Apr 22, 2026 |
| 18 | SALAMONE ALBERTO | 0.15% | SaleOpen-market or direct sale reported on Form 4. | 48.02K | $94.56 | $4,541,244 | Apr 21, 2026 |
| 19 | SCOTT GEOFFREY GATES | 0.16% | SaleOpen-market or direct sale reported on Form 4. | 50.00K | $95.00 | $4,750,000 | Apr 21, 2026 |
| 20 | SCOTT GEOFFREY GATES | 0.16% | SaleOpen-market or direct sale reported on Form 4. | 50.69K | $91.00 | $4,612,426 | Apr 21, 2026 |
| 21 | POSEDEL RHEA J | 0.20% | SaleOpen-market or direct sale reported on Form 4. | 62.38K | $96.02 | $5,989,549 | Apr 21, 2026 |
| 22 | ROGERS VERNON | 0.49% | SaleOpen-market or direct sale reported on Form 4. | 152.72K | $94.09 | $14,369,110 | Apr 21, 2026 |
| 23 | SALAMONE ALBERTO | 0.20% | SaleOpen-market or direct sale reported on Form 4. | 63.02K | $89.57 | $5,645,149 | Apr 20, 2026 |
| 24 | ROGERS VERNON | 0.47% | SaleOpen-market or direct sale reported on Form 4. | 147.72K | $90.00 | $13,294,440 | Apr 20, 2026 |
| 25 | ROGERS VERNON | 0.51% | SaleOpen-market or direct sale reported on Form 4. | 159.20K | $90.00 | $14,328,180 | Apr 20, 2026 |
| 26 | POSEDEL RHEA J | 1.26% | SaleOpen-market or direct sale reported on Form 4. | 396.98K | $88.09 | $34,969,880 | Apr 20, 2026 |
| 27 | SPORCK ALISTAIR N | 0.06% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 20.29K | $83.86 | $1,701,855 | Apr 18, 2026 |
| 28 | POSEDEL RHEA J | 1.29% | SaleOpen-market or direct sale reported on Form 4. | 404.48K | $82.00 | $33,167,278 | Apr 17, 2026 |
| 29 | SLAYEN HOWARD T | 0.57% | SaleOpen-market or direct sale reported on Form 4. | 178.33K | $85.00 | $15,157,880 | Apr 17, 2026 |
| 30 | DANESH FARIBA | — | Option exerciseDerivative exercise or conversion before any separate sale row. | — | No cash value | No cash value | Apr 16, 2026 |
| 31 | DANESH FARIBA | 0.04% | SaleOpen-market or direct sale reported on Form 4. | 13.14K | $82.63 | $1,086,006 | Apr 16, 2026 |
| 32 | DANESH FARIBA | 0.07% | Option exerciseDerivative exercise or conversion before any separate sale row. | 21.14K | $2.25 | $47,572 | Apr 16, 2026 |
| 33 | OLIPHANT LAURA | 0.05% | SaleOpen-market or direct sale reported on Form 4. | 16.72K | $81.54 | $1,363,023 | Apr 16, 2026 |
| 34 | ROGERS VERNON | 0.51% | SaleOpen-market or direct sale reported on Form 4. | 161.63K | $86.88 | $14,042,675 | Apr 16, 2026 |
| 35 | SPORCK ALISTAIR N | 0.07% | SaleOpen-market or direct sale reported on Form 4. | 20.64K | $81.88 | $1,689,594 | Apr 16, 2026 |
| 36 | OLIPHANT LAURA | — | SaleOpen-market or direct sale reported on Form 4. | — | $85.59 | Not reported | Apr 16, 2026 |
| 37 | POSEDEL RHEA J | 1.31% | SaleOpen-market or direct sale reported on Form 4. | 411.98K | $80.72 | $33,254,945 | Apr 16, 2026 |
| 38 | WIMMERS DIDIER | 0.03% | SaleOpen-market or direct sale reported on Form 4. | 10.66K | $72.02 | $767,703 | Apr 15, 2026 |
| 39 | RICHMOND DONALD P. II | 0.58% | SaleOpen-market or direct sale reported on Form 4. | 181.51K | $73.18 | $13,282,395 | Apr 14, 2026 |
| 40 | Erickson Gayn | 0.59% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 185.51K | $74.38 | $13,798,308 | Apr 14, 2026 |
| 41 | ROGERS VERNON | 0.53% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 166.63K | $74.38 | $12,394,163 | Apr 14, 2026 |
| 42 | RICHMOND DONALD P. II | 0.63% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 198.52K | $74.38 | $14,766,141 | Apr 14, 2026 |
| 43 | WIMMERS DIDIER | 0.04% | SaleOpen-market or direct sale reported on Form 4. | 12.56K | $71.11 | $893,073 | Apr 13, 2026 |
| 44 | DANESH FARIBA | 0.03% | Option exerciseDerivative exercise or conversion before any separate sale row. | 8.00K | No cash value | No cash value | Apr 13, 2026 |
| 45 | DANESH FARIBA | 0.04% | SaleOpen-market or direct sale reported on Form 4. | 13.14K | $71.49 | $939,594 | Apr 13, 2026 |
| 46 | DANESH FARIBA | 0.06% | Option exerciseDerivative exercise or conversion before any separate sale row. | 20.14K | $2.25 | $45,322 | Apr 13, 2026 |
| 47 | Siu Chris | 0.22% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 70.74K | $70.43 | $4,982,218 | Apr 11, 2026 |
| 48 | ROGERS VERNON | 0.53% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 167.04K | $70.43 | $11,764,416 | Apr 11, 2026 |
| 49 | RICHMOND DONALD P. II | 0.63% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 198.82K | $70.43 | $14,003,033 | Apr 11, 2026 |
| 50 | Erickson Gayn | 0.60% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 188.29K | $70.43 | $13,261,617 | Apr 11, 2026 |
| 51 | SPORCK ALISTAIR N | 0.07% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 22.64K | $70.43 | $1,594,183 | Apr 11, 2026 |
| 52 | ENGINEER ADIL | 0.13% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 41.05K | $70.43 | $2,891,504 | Apr 11, 2026 |
| 53 | Erickson Gayn | 0.63% | SaleOpen-market or direct sale reported on Form 4. | 197.72K | $70.58 | $13,955,902 | Apr 10, 2026 |
| 54 | Erickson Gayn | 0.61% | SaleOpen-market or direct sale reported on Form 4. | 192.00K | $70.58 | $13,551,885 | Apr 10, 2026 |
| 55 | SPORCK ALISTAIR N | 0.07% | SaleOpen-market or direct sale reported on Form 4. | 22.86K | $67.37 | $1,539,627 | Apr 10, 2026 |
| 56 | DANESH FARIBA | 0.04% | SaleOpen-market or direct sale reported on Form 4. | 13.14K | $70.05 | $920,601 | Apr 10, 2026 |
| 57 | ROGERS VERNON | 0.53% | SaleOpen-market or direct sale reported on Form 4. | 167.54K | $70.00 | $11,727,800 | Apr 10, 2026 |
| 58 | SCOTT GEOFFREY GATES | 0.32% | SaleOpen-market or direct sale reported on Form 4. | 100.00K | $67.79 | $6,779,000 | Apr 9, 2026 |
| 59 | SCOTT GEOFFREY GATES | 0.35% | SaleOpen-market or direct sale reported on Form 4. | 110.00K | $68.12 | $7,493,200 | Apr 9, 2026 |
| 60 | SCOTT GEOFFREY GATES | 0.43% | SaleOpen-market or direct sale reported on Form 4. | 135.00K | $68.00 | $9,180,000 | Apr 9, 2026 |
| 61 | ENGINEER ADIL | 0.13% | SaleOpen-market or direct sale reported on Form 4. | 41.44K | $66.27 | $2,746,295 | Apr 9, 2026 |
| 62 | ENGINEER ADIL | 0.14% | SaleOpen-market or direct sale reported on Form 4. | 42.64K | $66.32 | $2,827,738 | Apr 9, 2026 |
| 63 | ENGINEER ADIL | 0.12% | Option exerciseDerivative exercise or conversion before any separate sale row. | 38.83K | No cash value | No cash value | Apr 9, 2026 |
| 64 | ENGINEER ADIL | 0.14% | SaleOpen-market or direct sale reported on Form 4. | 45.17K | $68.34 | $3,086,849 | Apr 9, 2026 |
| 65 | ENGINEER ADIL | 0.15% | SaleOpen-market or direct sale reported on Form 4. | 47.67K | $68.15 | $3,248,685 | Apr 9, 2026 |
| 66 | ENGINEER ADIL | 0.19% | Option exerciseDerivative exercise or conversion before any separate sale row. | 58.25K | $9.45 | $550,500 | Apr 9, 2026 |
| 67 | RICHMOND DONALD P. II | 0.63% | SaleOpen-market or direct sale reported on Form 4. | 199.25K | $68.68 | $13,685,123 | Apr 9, 2026 |
| 68 | OLIPHANT LAURA | 0.01% | SaleOpen-market or direct sale reported on Form 4. | 4.67K | $68.36 | $318,888 | Apr 9, 2026 |
| 69 | POSEDEL RHEA J | 1.36% | SaleOpen-market or direct sale reported on Form 4. | 426.98K | $70.00 | $29,888,530 | Apr 9, 2026 |
| 70 | SCOTT GEOFFREY GATES | 0.33% | SaleOpen-market or direct sale reported on Form 4. | 105.00K | $67.90 | $7,129,500 | Apr 9, 2026 |
| 71 | SCOTT GEOFFREY GATES | 0.35% | SaleOpen-market or direct sale reported on Form 4. | 110.00K | $67.75 | $7,452,500 | Apr 9, 2026 |
| 72 | SCOTT GEOFFREY GATES | 0.43% | SaleOpen-market or direct sale reported on Form 4. | 135.00K | $68.00 | $9,180,000 | Apr 9, 2026 |
| 73 | Erickson Gayn | 0.79% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 248.79K | $44.32 | $11,026,240 | Apr 2, 2026 |
| 74 | SPORCK ALISTAIR N | 0.08% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 24.86K | $44.32 | $1,101,574 | Apr 2, 2026 |
| 75 | Siu Chris | 0.23% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 71.44K | $44.32 | $3,166,088 | Apr 2, 2026 |
| 76 | SALAMONE ALBERTO | 0.25% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 78.03K | $44.32 | $3,458,068 | Apr 2, 2026 |
| 77 | ROGERS VERNON | 0.57% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 178.43K | $44.32 | $7,907,929 | Apr 2, 2026 |
| 78 | RICHMOND DONALD P. II | 0.68% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 215.00K | $44.32 | $9,528,623 | Apr 2, 2026 |
| 79 | Erickson Gayn | 0.80% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 250.92K | $44.32 | $11,120,686 | Apr 2, 2026 |
| 80 | ENGINEER ADIL | 0.15% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 47.67K | $44.32 | $2,112,823 | Apr 2, 2026 |
| 81 | Erickson Gayn | 0.93% | JProvider-supplied Form 4 action code. Review the original filing before making a trading judgment. | 293.76K | $6.67 | $1,959,373 | Apr 1, 2026 |
| 82 | WIMMERS DIDIER | 0.05% | JProvider-supplied Form 4 action code. Review the original filing before making a trading judgment. | 16.06K | $6.67 | $107,154 | Apr 1, 2026 |
| 83 | SPORCK ALISTAIR N | 0.02% | JProvider-supplied Form 4 action code. Review the original filing before making a trading judgment. | 7.18K | $6.67 | $47,889 | Apr 1, 2026 |
| 84 | Siu Chris | 0.02% | JProvider-supplied Form 4 action code. Review the original filing before making a trading judgment. | 7.31K | $6.67 | $48,749 | Apr 1, 2026 |
| 85 | SALAMONE ALBERTO | 0.25% | JProvider-supplied Form 4 action code. Review the original filing before making a trading judgment. | 78.58K | $6.67 | $524,312 | Apr 1, 2026 |
| 86 | ROGERS VERNON | 0.57% | JProvider-supplied Form 4 action code. Review the original filing before making a trading judgment. | 178.76K | $6.67 | $1,192,803 | Apr 1, 2026 |
| 87 | RICHMOND DONALD P. II | 0.68% | JProvider-supplied Form 4 action code. Review the original filing before making a trading judgment. | 215.34K | $6.67 | $1,436,836 | Apr 1, 2026 |
| 88 | Erickson Gayn | 0.81% | JProvider-supplied Form 4 action code. Review the original filing before making a trading judgment. | 253.43K | $6.67 | $1,691,012 | Apr 1, 2026 |
| 89 | ENGINEER ADIL | 0.15% | JProvider-supplied Form 4 action code. Review the original filing before making a trading judgment. | 48.13K | $6.67 | $321,147 | Apr 1, 2026 |
| 90 | SCOTT GEOFFREY GATES | 0.17% | GiftGift transfer. Usually non-cash and not an open-market sale. | 52.86K | Non-cash | Non-cash | Mar 10, 2026 |
| 91 | WIMMERS DIDIER | 0.05% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 14.19K | $41.64 | $590,705 | Mar 3, 2026 |
| 92 | Siu Chris | 0.23% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 72.26K | $37.43 | $2,704,617 | Mar 1, 2026 |
| 93 | POSEDEL RHEA J | 1.45% | SaleOpen-market or direct sale reported on Form 4. | 456.98K | $30.02 | $13,716,270 | Feb 13, 2026 |
| 94 | SPORCK ALISTAIR N | 0.08% | SaleOpen-market or direct sale reported on Form 4. | 25.15K | $27.59 | $693,971 | Feb 9, 2026 |
| 95 | SPORCK ALISTAIR N | 0.08% | SaleOpen-market or direct sale reported on Form 4. | 25.45K | $27.57 | $701,739 | Feb 9, 2026 |
| 96 | SLAYEN HOWARD T | 0.65% | GiftGift transfer. Usually non-cash and not an open-market sale. | 203.33K | Non-cash | Non-cash | Feb 4, 2026 |
| 97 | SLAYEN HOWARD T | 0.66% | GiftGift transfer. Usually non-cash and not an open-market sale. | 208.33K | Non-cash | Non-cash | Feb 4, 2026 |
| 98 | SLAYEN HOWARD T | 0.68% | GiftGift transfer. Usually non-cash and not an open-market sale. | 213.33K | Non-cash | Non-cash | Feb 4, 2026 |
| 99 | SALAMONE ALBERTO | 0.24% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 76.91K | $25.64 | $1,971,870 | Feb 1, 2026 |
| 100 | SPORCK ALISTAIR N | 0.09% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 28.15K | $27.75 | $781,246 | Jan 27, 2026 |
| 101 | ROGERS VERNON | 0.56% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 177.21K | $27.75 | $4,917,467 | Jan 27, 2026 |
| 102 | RICHMOND DONALD P. II | 0.68% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 213.22K | $27.75 | $5,916,772 | Jan 27, 2026 |
| 103 | Erickson Gayn | 0.80% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 251.30K | $27.75 | $6,973,547 | Jan 27, 2026 |
| 104 | ENGINEER ADIL | 0.15% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 45.68K | $27.75 | $1,267,509 | Jan 27, 2026 |
| 105 | OLIPHANT LAURA | 0.06% | SaleOpen-market or direct sale reported on Form 4. | 18.43K | $31.49 | $580,332 | Jan 22, 2026 |
| 106 | OLIPHANT LAURA | 0.06% | SaleOpen-market or direct sale reported on Form 4. | 18.57K | $31.46 | $584,275 | Jan 22, 2026 |
| 107 | OLIPHANT LAURA | 0.06% | SaleOpen-market or direct sale reported on Form 4. | 18.67K | $31.45 | $587,234 | Jan 22, 2026 |
| 108 | OLIPHANT LAURA | 0.06% | SaleOpen-market or direct sale reported on Form 4. | 18.85K | $31.44 | $592,707 | Jan 22, 2026 |
| 109 | OLIPHANT LAURA | 0.06% | SaleOpen-market or direct sale reported on Form 4. | 19.88K | $31.38 | $623,772 | Jan 22, 2026 |
| 110 | SPORCK ALISTAIR N | 0.09% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 28.30K | $28.81 | $815,467 | Jan 19, 2026 |
| 111 | ROGERS VERNON | 0.56% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 177.37K | $25.97 | $4,606,195 | Jan 14, 2026 |
| 112 | RICHMOND DONALD P. II | 0.68% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 213.33K | $25.97 | $5,540,284 | Jan 14, 2026 |
| 113 | Erickson Gayn | 0.80% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 252.12K | $25.97 | $6,547,530 | Jan 14, 2026 |
| 114 | RICHMOND DONALD P. II | 0.68% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 213.68K | $26.32 | $5,623,979 | Jan 11, 2026 |
| 115 | Erickson Gayn | 0.81% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 254.80K | $26.32 | $6,706,310 | Jan 11, 2026 |
| 116 | ROGERS VERNON | 0.57% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 177.83K | $26.32 | $4,680,486 | Jan 11, 2026 |
| 117 | RICHMOND DONALD P. II | 0.68% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 213.59K | $26.32 | $5,621,610 | Jan 11, 2026 |
| 118 | Siu Chris | 0.23% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 72.63K | $26.32 | $1,911,516 | Jan 11, 2026 |
| 119 | SPORCK ALISTAIR N | 0.09% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 28.69K | $26.32 | $755,173 | Jan 11, 2026 |
| 120 | ENGINEER ADIL | 0.15% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 45.84K | $26.32 | $1,206,482 | Jan 11, 2026 |
Showing 120 of 120 matching Form 4 rows. Percent of company uses current shares outstanding when available.
Frequently asked
Common questions.
Who are the largest AEHR shareholders?
Aehr Test Systems (AEHR) institutional holders are ranked by reported share count when ownership data publishes filing rows.
What is institutional ownership of AEHR?
Aehr Test Systems (AEHR) institutional ownership appears when filing-based market data returns holder rows. TECHi does not fill unavailable ownership fields with placeholder shareholders.
Where can I see Aehr Test Systems insider transactions?
Aehr Test Systems (AEHR) has 120 Form 4 insider transactions on file, most recently on Jun 3, 2026, separated into purchases, sales, option exercises, awards, gifts, and tax withholding so administrative transactions are distinguished from open-market trades.
Are AEHR insiders buying or selling?
Recent AEHR insider activity reads Net selling: 53 sales and 0 purchases. Awards, gifts, conversions, and tax withholding are listed separately because they do not carry the same signal as open-market trades.
Who is the most active AEHR insider?
Erickson Gayn is the most active AEHR insider by absolute share movement, with 2.75 million shares moving across the filing history. Review the action labels before treating that activity as buying or selling.