AEHR TEST SYSTEMS (AEHR)
$81.34-$9.12 (-10.08%) Today
Aehr Test Systems is engaged in test systems for burning-in and testing logic, optical, and memory integrated circuits. Increased quality and reliability needs of the Automotive and Mobility integrated circuit markets. The Company operates in one business segment, the designing, manufacturing, marketing, and selling of advance test and burn-in products to the semiconductor manufacturing industry in several geographic areas. The company provides production solutions across the product manufacturing flow to improve yield and reliability and has developed and introduced several inventive products, including the ABTSTM and FOX-PTM families of test and burn-in systems and FOX WaferPakTM Aligner, FOX-XP WaferPak Contactor, FOX DiePak Carrier and FOX DiePak Loader.
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market sale | 19 | 155,469 | $18.95M |
| Grant or award | 20 | 111,821 | |
| Option exercise | 9 | 110,000 | |
| Tax withholding / forfeiture | 32 | 55,772 | |
| Bona-fide gift | 9 | 25,662 |
Dollar totals are shown for open-market purchases and sales only. Grants, option exercises, gifts and tax withholding are reported by share count because they are not trades at a market price.
228 Form 4 filings on record, the earliest from Oct 3, 2024, newest first. Filing history page 2 of 3.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Gayn Erickson - Officer | Tax withholding / forfeiture | Common Stock | 4,404 | $72.60 | $320K | |
| Adil Engineer - Officer | Tax withholding / forfeiture | Common Stock | 387 | $72.60 | $28K | |
| Didier Wimmers - Officer | Grant or award | Common Stock | 2,369 | $0.00 | - | |
| Chris Siu - Officer | Grant or award | Common Stock | 6,165 | $0.00 | - | |
| Chris Siu - Officer | Grant or award | Common Stock | 6,079 | $0.00 | - | |
| Chris Siu - Officer | Tax withholding / forfeiture | Common Stock | 2,213 | $84.43 | $187K | |
| Chris Siu - Officer | Tax withholding / forfeiture | Common Stock | 1,139 | $69.96 | $80K | |
 Alistair N. Sporck - Officer | Grant or award | Common Stock | 6,165 | $0.00 | - | |
| Alistair N. Sporck - Officer | Grant or award | Common Stock | 2,369 | $0.00 | - | |
| Alistair N. Sporck - Officer | Tax withholding / forfeiture | Common Stock | 2,213 | $84.43 | $187K | |
| Alistair N. Sporck - Officer | Tax withholding / forfeiture | Common Stock | 259 | $69.96 | $18K | |
| Alberto Salamone - Officer | Grant or award | Common Stock | 4,048 | $0.00 | - | |
| Alberto Salamone - Officer | Grant or award | Common Stock | 1,978 | $0.00 | - | |
| Alberto Salamone - Officer | Tax withholding / forfeiture | Common Stock | 1,453 | $84.43 | $123K | |
| Alberto Salamone - Officer | Tax withholding / forfeiture | Common Stock | 556 | $69.96 | $39K | |
| Donald P. Richmond II - Officer | Grant or award | Common Stock | 6,165 | $0.00 | - | |
| Donald P. Richmond II - Officer | Tax withholding / forfeiture | Common Stock | 311 | $69.96 | $22K | |
| Donald P. Richmond II - Officer | Grant or award | Common Stock | 2,369 | $0.00 | - | |
| Donald P. Richmond II - Officer | Tax withholding / forfeiture | Common Stock | 2,213 | $84.43 | $187K | |
| Vernon Rogers - Officer | Grant or award | Common Stock | 6,165 | $0.00 | - | |
| Vernon Rogers - Officer | Grant or award | Common Stock | 2,393 | $0.00 | - | |
| Vernon Rogers - Officer | Tax withholding / forfeiture | Common Stock | 2,213 | $84.43 | $187K | |
| Vernon Rogers - Officer | Tax withholding / forfeiture | Common Stock | 337 | $69.96 | $24K | |
| Gayn Erickson - Officer | Grant or award | Common Stock | 35,886 | $0.00 | - | |
| Gayn Erickson - Officer | Grant or award | Common Stock | 11,899 | $0.00 | - | |
| Gayn Erickson - Officer | Tax withholding / forfeiture | Common Stock | 22,925 | $84.43 | $1.94M | |
| Gayn Erickson - Officer | Tax withholding / forfeiture | Common Stock | 3,091 | $69.96 | $216K | |
| Adil Engineer - Officer | Grant or award | Common Stock | 6,165 | $0.00 | - | |
| Adil Engineer - Officer | Grant or award | Common Stock | 3,079 | $0.00 | - | |
| Adil Engineer - Officer | Tax withholding / forfeiture | Common Stock | 2,213 | $84.43 | $187K | |
| Adil Engineer - Officer | Tax withholding / forfeiture | Common Stock | 437 | $69.96 | $31K | |
| Fariba Danesh - Officer | Grant or award | Common Stock | 1,658 | $0.00 | - | |
| Geoffrey Gates Scott - Officer | Grant or award | Common Stock | 1,658 | $0.00 | - | |
| Laura Oliphant - Officer | Grant or award | Common Stock | 1,658 | $0.00 | - | |
| Howard T. Slayen - Officer | Grant or award | Common Stock | 1,658 | $0.00 | - | |
| Rhea J. Posedel - Officer | Grant or award | Common Stock | 1,895 | $0.00 | - | |
| Laura Oliphant - Officer | Gift | Common Stock | 19 | $0.00 | - | |
| Laura Oliphant - Officer | Gift | Common Stock | 19 | $0.00 | - | |
| Laura Oliphant - Officer | Gift | Common Stock | 19 | $0.00 | - | |
| Didier Wimmers - Officer | Tax withholding / forfeiture | Common Stock | 332 | $114.59 | $38K | |
| Chris Siu - Officer | Tax withholding / forfeiture | Common Stock | 350 | $93.62 | $33K | |
| Alberto Salamone - Officer | Tax withholding / forfeiture | Common Stock | 204 | $93.07 | $19K | |
| Geoffrey Gates Scott - Officer | Tax withholding / forfeiture | Common Stock | 10,000 | $0.00 | - | |
| Alistair N. Sporck - Officer | Tax withholding / forfeiture | Common Stock | 133 | $88.48 | $12K | |
| Vernon Rogers - Officer | Tax withholding / forfeiture | Common Stock | 139 | $88.48 | $12K | |
| Donald P. Richmond II - Officer | Tax withholding / forfeiture | Common Stock | 102 | $88.48 | $9K | |
| Gayn Erickson - Officer | Tax withholding / forfeiture | Common Stock | 851 | $88.48 | $75K | |
| Adil Engineer - Officer | Tax withholding / forfeiture | Common Stock | 143 | $88.48 | $13K | |
| Rhea J. Posedel - Officer | Open-market sale | Common Stock | 604 | $95.00 | $57K | |
| Rhea J. Posedel - Officer | Open-market sale | Common Stock | 17,115 | $100.00 | $1.71M | |
| Alistair N. Sporck - Officer | Open-market sale | Common Stock | 2,000 | $93.50 | $187K |
A Form 144 is notice of an INTENDED sale, not a completed one. It often precedes the Form 4 that reports the trade actually happening.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| ROGERS VERNON | Officer | 3,994 | $574K | View on EDGAR | |
| ROGERS VERNON | Officer | 2,000 | $273K | View on EDGAR | |
| SLAYEN HOWARD T | Director | 5,700 | $754K | View on EDGAR |
AEHR TEST SYSTEMS (AEHR) had 48 insider filings in the last 90 days, with the most recent on 2026-08-18. The full record for AEHR runs to 228 Form 4 filings, the earliest from 2024-10-03. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
No insider purchases of AEHR were filed in the last 90 days.
19 insider sales of AEHR were filed in the last 90 days, totaling $18.95M.
This page tracks AEHR Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
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Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.
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