SEC Form 4
Aehr Test Systems (AEHR) insider trading
In the 12 months to Oct 26, 2026, 13 AEHR insiders reported open-market sales of $63.3M across 49 filings; no open-market purchases were filed.
Latest filing · Last 12 months · Source: SEC EDGAR · How we count
- Open-market sales
- $63.3M
- 49 filings · 13 insiders
- Open-market purchases
- $0
- 0 filings
Who traded AEHR, and when
- Sale
AEHR daily close from Oct 27, 2025 to Oct 26, 2026, between $19.40 and $145.61, last $57.96. 49 sale and 0 purchase filings by 13 insiders, marked at their filing dates. Gayn Erickson, President and CEO: sold $16.0M across 2 filings, first filed Apr 14, 2026, last Aug 13, 2026. Geoffrey Gates Scott, Director: sold $15.0M across 5 filings, first filed Apr 10, 2026, last Aug 13, 2026. Rhea J. Posedel, Director: sold $9.5M across 9 filings, first filed Feb 13, 2026, last Aug 14, 2026. Howard T. Slayen, Director: sold $5.9M across 5 filings, first filed Nov 5, 2025, last Aug 14, 2026. Alberto Salamone, EVP, PPBI BUSINESS: sold $4.0M across 2 filings, first filed Apr 22, 2026, last Aug 14, 2026. Vernon Rogers, Exec VP of Sales & Mktg.: sold $3.3M across 6 filings, first filed Apr 10, 2026, last Aug 18, 2026. 7 others: sold $9.4M across 20 filings, first filed Jan 26, 2026, last Aug 13, 2026.
Largest mark · tap a row for others
Gayn Erickson · President and CEO
Sale $10,786,792
152,824 shares at $70.58 avg
Filed Apr 14, 2026 · traded Apr 10
Close on filing date $74.38
Gayn Erickson · President and CEO
President and CEO
$16.0M soldGeoffrey Gates Scott · Director
Director
$15.0M soldRhea J. Posedel · Director
Director
$9.5M soldHoward T. Slayen · Director
Director
$5.9M soldAlberto Salamone · EVP, PPBI BUSINESS
EVP, PPBI BUSINESS
$4.0M soldVernon Rogers · Exec VP of Sales & Mktg.
Exec VP of Sales & Mktg.
$3.3M sold7 others
Combined, one mark per week
$9.4M soldOpen-market trades
49 filings in the last 12 months| Insider | Role | Sold | Bought | Filings | Pre-arranged (10b5-1) | Last filed |
|---|---|---|---|---|---|---|
| Gayn Erickson | President and CEO | $16.0M | — | 2 | — | |
| Geoffrey Gates Scott | Director | $15.0M | — | 5 | — | |
| Rhea J. Posedel | Director | $9.5M | — | 9 | — | |
| Howard T. Slayen | Director | $5.9M | — | 5 | — | |
| Alberto Salamone | EVP, PPBI BUSINESS | $4.0M | — | 2 | — | |
| Vernon Rogers | Exec VP of Sales & Mktg. | $3.3M | — | 6 | — | |
| Adil Engineer | Chief Operating Officer | $3.1M | — | 3 | — | |
| Donald P. Richmond II | CTO | $2.3M | — | 2 | — | |
| Fariba Danesh | Director | $1.4M | — | 2 | — | |
| Laura Oliphant | Director | $1.1M | — | 5 | — | |
| Alistair N. Sporck | VP Contactor Business Unit | $878.6K | — | 6 | — | |
| Didier Wimmers | Executive VP of R&D | $385.7K | — | 1 | — | |
| Chris Siu | CFO | $221.6K | — | 1 | — |
| Filed | Insider | Type | Shares | Avg price | Value | Held after | Source |
|---|---|---|---|---|---|---|---|
traded | Vernon Rogers Exec VP of Sales & Mktg. | Sale | 5,994 | $141.34 | $847.2K | 186,232 | |
traded | Alberto Salamone EVP, PPBI BUSINESS | Sale | 9,672 | $127.72 | $1.2M | 41,962 | |
traded | Rhea J. Posedel Director | Sale | 5,973 | $140.00 | $836.2K | 381,989 | |
traded | Howard T. Slayen Director | Sale | 5,700 | $133.03 | $758.3K | 140,667 | |
traded | Laura Oliphant Director | Sale | 1,717 | $133.00 | $228.4K | 16,100 | |
traded | Adil Engineer Chief Operating Officer | Sale | 15,000 | $131.02 | $2.0M | 54,477 | |
traded | Geoffrey Gates Scott Director | Sale | 20,000 | $131.51 | $2.6M | 10,000 | |
traded | Rhea J. Posedel Director | Sale | 8,413 | $130.00 | $1.1M | 387,962 | |
traded | Gayn Erickson President and CEO | Sale | 40,000 | $130.84 | $5.2M | 157,723 | |
traded | Alistair N. Sporck VP Contactor Business Unit | Sale | 1,000 | $108.49 | $108.5K | 22,547 | |
traded | Alistair N. Sporck VP Contactor Business Unit | Sale | 2,000 | $100.96 | $201.9K | 24,848 | |
traded | Howard T. Slayen Director | Sale | 20,000 | $108.30 | $2.2M | 146,367 | |
traded | Geoffrey Gates Scott Director | Sale | 20,000 | $82.13 | $1.6M | 30,000 | |
| Chris Siu CFO | Sale | 2,070 | $107.06 | $221.6K | Multiple accounts | ||
| Howard T. Slayen Director | Sale | 6,819 | $104.73 | $714.2K | 169,709 | ||
traded | Alberto Salamone EVP, PPBI BUSINESS | Sale | 30,000 | $92.07 | $2.8M | 48,025 | |
traded | Alistair N. Sporck VP Contactor Business Unit | Sale | 2,000 | $93.50 | $187.0K | 5,177 | |
traded | Rhea J. Posedel Director | Sale | 17,719 | $99.83 | $1.8M | Multiple accounts | |
traded | Vernon Rogers Exec VP of Sales & Mktg. | Sale | 6,486 | $94.09 | $610.3K | 152,716 | |
traded | Rhea J. Posedel Director | Sale | 8,787 | $96.02 | $843.8K | 62,376 | |
traded | Vernon Rogers Exec VP of Sales & Mktg. | Sale | 5,000 | $90.00 | $450.0K | 147,716 | |
traded | Geoffrey Gates Scott Director | Sale | 60,000 | $94.33 | $5.7M | Multiple accounts | |
traded | Rhea J. Posedel Director | Sale | 7,500 | $88.09 | $660.7K | 396,979 | |
traded | Vernon Rogers Exec VP of Sales & Mktg. | Sale | 2,431 | $90.00 | $218.8K | 159,202 | |
traded | Alistair N. Sporck VP Contactor Business Unit | Sale | 2,000 | $81.88 | $163.8K | 20,635 | |
traded | Vernon Rogers Exec VP of Sales & Mktg. | Sale | 5,000 | $86.88 | $434.4K | 161,633 | |
traded | Laura Oliphant Director | Sale | 1,716 | $81.54 | $139.9K | 16,716 | |
traded | Howard T. Slayen Director | Sale | 25,000 | $85.00 | $2.1M | 178,328 | |
traded | Rhea J. Posedel Director | Sale | 7,500 | $82.00 | $615.0K | 404,479 | |
traded | Fariba Danesh Director | Sale | 8,000 | $82.63 | $661.0K | 13,143 | |
traded | Rhea J. Posedel Director | Sale | 15,000 | $80.72 | $1.2M | 411,979 | |
traded | Laura Oliphant Director | Sale | 4,665 | $85.59 | $399.3K | 0 | |
traded | Donald P. Richmond II CTO | Sale | 17,011 | $73.18 | $1.2M | 181,512 | |
traded | Didier Wimmers Executive VP of R&D | Sale | 5,400 | $71.43 | $385.7K | 10,659 | |
| Geoffrey Gates Scott Director | Sale | 40,000 | $68.02 | $2.7M | 110,000 | ||
traded | Adil Engineer Chief Operating Officer | Sale | 3,728 | $66.30 | $247.2K | 41,441 | |
traded | Alistair N. Sporck VP Contactor Business Unit | Sale | 2,000 | $67.37 | $134.7K | 22,855 | |
traded | Gayn Erickson President and CEO | Sale | 152,824 | $70.58 | $10.8M | Multiple accounts | |
traded | Fariba Danesh Director | Sale | 10,500 | $71.01 | $745.6K | 13,143 | |
traded | Geoffrey Gates Scott Director | Sale | 35,000 | $67.81 | $2.4M | 105,000 | |
traded | Rhea J. Posedel Director | Sale | 30,000 | $70.00 | $2.1M | 426,979 | |
traded | Laura Oliphant Director | Sale | 3,000 | $68.36 | $205.1K | 4,665 | |
traded | Donald P. Richmond II CTO | Sale | 15,751 | $68.68 | $1.1M | 199,245 | |
traded | Adil Engineer Chief Operating Officer | Sale | 13,085 | $68.18 | $892.2K | 45,169 | |
traded | Vernon Rogers Exec VP of Sales & Mktg. | Sale | 10,888 | $70.00 | $762.2K | 167,540 | |
traded | Rhea J. Posedel Director | Sale | 13,998 | $30.02 | $420.2K | 456,979 | |
traded | Alistair N. Sporck VP Contactor Business Unit | Sale | 3,000 | $27.57 | $82.7K | 25,153 | |
traded | Laura Oliphant Director | Sale | 4,546 | $31.40 | $142.8K | 18,672 | |
traded | Howard T. Slayen Director | Sale | 6,000 | $25.73 | $154.4K | 218,328 |
GET /stocks/filings/vX/form-4?tickers=AEHR&filing_date.gte=2025-10-26&sort=filing_date.desc&limit=500{
"status": "OK",
"results": [
{
"tickers": [
"AEHR"
],
"issuer_cik": "0001040470",
"owner_cik": "0001756642",
"accession_number": "0001040470-26-000261",
"form_type": "4",
"filing_date": "2026-08-18",
"period_of_report": "2026-08-14",
"issuer_name": "AEHR TEST SYSTEMS",
"issuer_trading_symbol": "AEHR",
"owner_name": "ROGERS VERNON",
"is_officer": true,
"officer_title": "Exec VP of Sales & Mktg.",
"security_type": "non_derivative",
"record_type": "transaction",
"security_title": "Common Stock",
"transaction_timeliness": "O",
"aff_10b5_one": false,
"transaction_date": "2026-08-14",
"transaction_code": "S",
"equity_swap_involved": false,
"transaction_shares": 1000,
"transaction_price_per_share": 134,
"transaction_acquired_disposed": "D",
"shares_owned_following_transaction": 191226,
"transaction_value": 134000,
"direct_or_indirect": "D"
},
{
"tickers": [
"AEHR"
],
"issuer_cik": "0001040470",
"owner_cik": "0001756642",
"accession_number": "0001040470-26-000261",
"form_type": "4",
"filing_date": "2026-08-18",
"period_of_report": "2026-08-14",
"issuer_name": "AEHR TEST SYSTEMS",
"issuer_trading_symbol": "AEHR",
"owner_name": "ROGERS VERNON",
"is_officer": true,
"officer_title": "Exec VP of Sales & Mktg.",
"security_type": "non_derivative",
"record_type": "transaction",
"security_title": "Common Stock",
"transaction_timeliness": "O",
"aff_10b5_one": false,
"transaction_date": "2026-08-17",
"transaction_code": "S",
"equity_swap_involved": false,
"transaction_shares": 3994,
"transaction_price_per_share": 143.77,
"transaction_acquired_disposed": "D",
"shares_owned_following_transaction": 186232,
"transaction_value": 574217.38,
"direct_or_indirect": "D",
"footnotes": [
{
"id": "F1",
"description": "The amount reported includes shares subject to unvested restricted stock units."
}
]
}
]
}
// trimmed to 2 resultsThe response includes every Form 4 record; this page keeps open-market purchases and sales on common stock and removes duplicate joint-filer rows.
Other insider activity (not market trades) · 173 records
- Option exercises8 records
- Tax withholding113 records
- Grants and awards20 records
- Gifts15 records
- Other17 records
Reported on Form 4 but not purchases or sales in the market, so not counted in the totals above.
How to read this page
- Open-market purchase or sale
- A buy or sell of the company's stock at market price. Grants, option exercises, shares withheld for tax, gifts and employee stock plan purchases are listed separately and not counted.
- Filing date
- Insiders have two business days to report a trade. Totals and the chart use the filing date, when the trade became public.
Frequently asked questions
Has Aehr Test Systems' CEO sold stock?
Yes. Gayn Erickson (CEO) sold 192,824 shares ($16.0M) between Apr 2026 and Aug 2026.
How current is AEHR’s insider data?
These are AEHR Form 4 filings from the last year, refreshed daily. The Massive Form 4 API has the full, continuously updated record.
What counts as an open-market buy or sell?
Only purchases and sales at the market price. Option exercises, grants, gifts, and shares withheld for taxes are reported on Form 4 but are left out of the buy and sell totals.
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