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About AEHR TEST SYSTEMS (AEHR)
AEHR TEST SYSTEMS is an SEC registrant, filing under CIK 0001040470, classified as instruments for meas and testing of electricity and elec signals. It is grouped with Information Technology companies on this site.
AEHR Form 4 activity by transaction type, last 90 days
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market sale | 19 | 155,469 | $18.95M |
| Option exercise | 3 | 30,000 | |
| Tax withholding / forfeiture | 30 | 16,237 | |
AEHR insider transactions (Form 4)
42251 Form 4 filings on record, the earliest from Oct 3, 2024, newest first. Filing history page 1 of 3.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Chris Siu - Officer | Tax withholding / forfeiture | Common Stock | 987 footnote F1 | $84.64 | $84K | |
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 Alistair N. Sporck - Officer | Tax withholding / forfeiture | Common Stock | 295 footnote F1 | $84.64 | $25K | |
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| Vernon Rogers - Officer | Tax withholding / forfeiture | Common Stock | 426 footnote F1 | $84.64 | $36K | |
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| Donald P. Richmond II - Officer | Tax withholding / forfeiture | Common Stock | 388 footnote F1 | $84.64 | $33K | |
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| Adil Engineer - Officer | Tax withholding / forfeiture | Common Stock | 547 footnote F1 | $84.64 | $46K | |
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| Gayn Erickson - Officer | Tax withholding / forfeiture | Common Stock | 2,675 footnote F1 | $84.64 | $226K | |
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| Gayn Erickson - Officer | Tax withholding / forfeiture | Common Stock | 3,239 footnote F1 | $107.21 | $347K | |
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| Adil Engineer - Officer | Tax withholding / forfeiture | Common Stock | 620 footnote F1 | $107.21 | $66K | |
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| Donald P. Richmond II - Officer | Tax withholding / forfeiture | Common Stock | 439 footnote F1 | $107.21 | $47K | |
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| Vernon Rogers - Officer | Tax withholding / forfeiture | Common Stock | 476 footnote F1 | $107.21 | $51K | |
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| Alberto Salamone - Officer | Tax withholding / forfeiture | Common Stock | 556 footnote F1 | $107.21 | $60K | |
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| Chris Siu - Officer | Tax withholding / forfeiture | Common Stock | 1,164 footnote F1 | $107.21 | $125K | |
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| Alistair N. Sporck - Officer | Tax withholding / forfeiture | Common Stock | 345 footnote F1 | $107.21 | $37K | |
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| Gayn Erickson - Officer | Tax withholding / forfeiture | Common Stock | 499 footnote F1 | $101.60 | $51K | |
| Gayn Erickson - Officer | Other | Common Stock | 1,053 footnote F3 | $6.67 | $7K | |
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| Alistair N. Sporck - Officer | Tax withholding / forfeiture | Common Stock | 54 footnote F1 | $101.60 | $5K | |
| Alistair N. Sporck - Officer | Other | Common Stock | 1,221 footnote F3 | $6.67 | $8K | |
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| Didier Wimmers - Officer | Other | Common Stock | 1,311 footnote F1 | $6.67 | $9K | |
| Didier Wimmers - Officer | Tax withholding / forfeiture | Common Stock | 54 footnote F2 | $101.60 | $5K | |
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| Alberto Salamone - Officer | Other | Common Stock | 1,512 footnote F1 | $6.67 | $10K | |
| Alberto Salamone - Officer | Tax withholding / forfeiture | Common Stock | 45 footnote F2 | $101.60 | $5K | |
| ||||||
| Vernon Rogers - Officer | Other | Common Stock | 1,626 footnote F1 | $6.67 | $11K | |
| Vernon Rogers - Officer | Tax withholding / forfeiture | Common Stock | 77 footnote F2 | $101.60 | $8K | |
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| Donald P. Richmond II - Officer | Other | Common Stock | 1,064 footnote F1 | $6.67 | $7K | |
| Donald P. Richmond II - Officer | Tax withholding / forfeiture | Common Stock | 76 footnote F2 | $101.60 | $8K | |
| ||||||
| Adil Engineer - Officer | Other | Common Stock | 730 footnote F1 | $6.67 | $5K | |
| Adil Engineer - Officer | Tax withholding / forfeiture | Common Stock | 98 footnote F2 | $101.60 | $10K | |
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| Chris Siu - Officer | Tax withholding / forfeiture | Common Stock | 194 footnote F1 | $101.60 | $20K | |
| Chris Siu - Officer | Other | Common Stock | 1,089 footnote F3 | $6.67 | $7K | |
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| Didier Wimmers - Officer | Tax withholding / forfeiture | Common Stock | 317 footnote F1 | $76.27 | $24K | |
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| Chris Siu - Officer | Tax withholding / forfeiture | Common Stock | 496 footnote F1 | $76.59 | $38K | |
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| Vernon Rogers - Officer | Open-market sale | Common Stock | 1,000 | $134.00 | $134K | |
| Vernon Rogers - Officer | Open-market sale | Common Stock | 1,000 | $139.00 | $139K | |
| Vernon Rogers - Officer | Open-market sale | Common Stock | 3,994 | $143.77 | $574K | |
| Adil Engineer - Officer | Gift | Common Stock | 500 footnote F1 | $0.00 | - | |
| ||||||
| Howard T. Slayen - Director | Open-market sale | Common Stock | 5,700 | $133.03 | $758K | |
| Rhea J. Posedel - Director | Open-market sale | Common Stock | 5,973 | $140.00 | $836K | |
| Alberto Salamone - Officer | Open-market sale | Common Stock | 4,200 | $128.00 | $538K | |
| Alberto Salamone - Officer | Open-market sale | Common Stock | 5,472 | $127.50 | $698K | |
| Gayn Erickson - Officer | Open-market sale | Common Stock | 1,548 | $132.27 | $205K | |
| Gayn Erickson - Officer | Open-market sale | Common Stock | 38,452 | $130.79 | $5.03M | |
| Rhea J. Posedel - Director | Open-market sale | Common Stock | 8,413 | $130.00 | $1.09M | |
Item 2.02, 9.01
Item 8.01, 9.01
Item 1.01, 9.01
Item 2.02, 5.03, 9.01
Recent AEHR Form 144 notices of proposed sale
3An insider files Form 144 before selling restricted or control stock. It announces a planned sale. If the sale goes ahead, it shows up later on a Form 4.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| ROGERS VERNON | Officer | 3,994 | $574K | View on EDGAR | |
| ROGERS VERNON | Officer | 2,000 | $273K |
AEHR insider trading FAQ
What is the latest insider trade for AEHR?
AEHR TEST SYSTEMS (AEHR) had 47 insider filings in the last 90 days, with the most recent on 2026-10-13. The full record for AEHR runs to 251 Form 4 filings, the earliest from 2024-10-03. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying AEHR stock?
No insider purchases of AEHR were filed in the last 90 days.
How many insiders are selling AEHR stock?
19 insider sales of AEHR were filed in the last 90 days, totaling $18.95M.
Where can I see AEHR SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects AEHR Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Information Technology companies with insider activity
Recent insider filings
10The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - Chris Siu view on EDGAR
- - Alistair N. Sporck view on EDGAR
- - Vernon Rogers view on EDGAR
- - Donald P. Richmond II view on EDGAR
- - Adil Engineer view on EDGAR
- - Gayn Erickson view on EDGAR
- - Gayn Erickson view on EDGAR
- - Adil Engineer view on EDGAR
- - Donald P. Richmond II view on EDGAR
Related companies with recent insider activity
Learn more
- Insider selling: signal or noise?
- Why most insider sales are routine, and the few patterns worth a second look.
- Form 144 vs Form 4
- A Form 144 announces a planned sale; the Form 4 reports it after it happens.
- Insider activity in Information Technology
- Where AEHR's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
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