AEHR TEST SYSTEMS
Close on Oct 19, 2026
- Market cap
- $2.02B
- P/E (TTM)
- –
- Dividend yield
- –
About Aehr Test Systems
Instruments For Meas & Testing of Electricity & Elec Signals, SIC 3825
Aehr Test Systems provides test, burn-in, and stabilization solutions for semiconductor devices across wafer, singulated die, and package levels. Core offerings include the FOX-P system family—such as the FOX-XP, FOX-NP, and FOX-CP—along with WaferPak contactors and aligners, and DiePak carriers and loaders. The company also supplies package-level burn-in platforms, comprising the Sonoma, Tahoe, and Echo series. These products address applications in artificial intelligence, power semiconductors, automotive electronics, and data storage. Aehr serves semiconductor manufacturers, contract assemblers, electronics makers, and commercial test service companies.
Headquartered in Fremont, California, the company maintains its principal manufacturing and assembly operations there. Aehr has installed thousands of systems worldwide and employs 138 full-time workers. Its operational presence spans facilities and support resources across the United States, Germany, Japan, the Philippines, Taiwan, China, and South Korea.
Summary of the business section of Aehr Test Systems's latest annual report, written by StockData.
Company profile
Company
- Legal name
- AEHR TEST SYSTEMS
- Founded
- 1977
- Headquarters
- Fremont, CA
- Address
- 400 Kato Terrace 94539
- Phone
- (510) 623-9400
- Employees
- 138, May 29, 2026
- Industry
- Instruments For Meas & Testing of Electricity & Elec Signals
- Incorporated in
- California
- Fiscal year ends
- December 31
- Auditor
- BPM LLP, San Jose, California
Stock & identifiers
- Ticker
- AEHR
- Exchange
- Nasdaq
- Shares outstanding
- 33M, Jul 20, 2026
- Public float
- $671.38M, Nov 28, 2025
- Filer category
- Non-accelerated filer<br>Smaller reporting company
- SEC CIK
- 1040470
- CUSIP
- 00760J108
- ISIN
- US00760J1088
- LEI
- 529900A4GWWZFRU2RE97
- EIN
- 94-2424084
Executives and directors
Officers and directors who filed ownership reports (Forms 3, 4, 5) in the last two years
| Name | Position | Shares owned |
|---|---|---|
| Gayn Erickson | President and CEO, Director | 393,696 |
| Didier Wimmers | Executive VP of R&D | 12,379 |
| Chris Siu | CFO | 83,034 |
| Vernon Rogers | Exec VP of Sales & Mktg. | 186,232 |
| Alberto Salamone | EVP, PPBI BUSINESS | 47,434 |
| Adil Engineer | Chief Operating Officer | 46,477 |
| Alistair N. Sporck | VP Contactor Business Unit | 27,724 |
| Donald P. Richmond Ii | CTO | 186,567 |
| Avijit K. Ray-Chaudhuri | Executive VP of R&D | 28,318 |
| Rhea J. Posedel | 429,145 | |
| Howard T. Slayen | 140,667 | |
| Laura Oliphant | 16,100 | |
| Geoffrey Gates Scott | 85,603 | |
| Fariba Danesh | 21,509 |
CEO pay and shareholder return
Pay versus performance table from the proxy statement
| Fiscal year | CEO total pay | CEO pay actually paid | Other executives (avg) | Value of $100 invested | Peer group |
|---|---|---|---|---|---|
| FY2026 Mr. Erickson | $3.23M | $22.40M | $1.19M | $280000 | – |
| FY2025 Mr. Erickson | $3.43M | $2.26M | $1.19M | $29000 | – |
| FY2024 Mr. Erickson | $1.38M | -$927.66K | $958.22K | $35000 | – |
| FY2023 Mr. Erickson | $1.65M | $6.95M | $720.33K | $394000 | – |
“Actually paid” adjusts reported pay for changes in the value of equity awards. Shareholder return assumes $100 invested at the start of the measurement period, as disclosed by the company.
Employees
Headcount reported in annual reports
“As of May 29, 2026, the Company, including its foreign subsidiaries and one branch office, employed 138 persons collectively, on a regular full-time basis, of whom 43 were engaged in research, development and related engineering, 46 were engaged in manufacturing, 34 were engaged in marketing, sales and customer support and 15 were engaged in general administration, finance and IT functions.”
Corporate history
Events identified from SEC filings