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Aehr Test Systems officer Alistair N. Sporck reported that 133 shares of common stock were withheld at $77.48 per share to satisfy tax withholding obligations upon vesting of restricted stock units; this was not an open‑market sale. After the withholding, he held 25,547 shares directly, including unvested RSUs, and 5,177 shares indirectly through a trust.
AEHR TEST SYSTEMS CTO Donald P. Richmond II reported a tax-withholding transaction tied to vesting of restricted stock units. 102 shares of common stock were withheld on 2026-07-27 at $77.48 per share to satisfy tax obligations, and the report notes this is not a sale by the insider. After this withholding, he directly holds 186,567 shares of common stock, including shares subject to unvested restricted stock units.
Aehr Test Systems Chief Operating Officer Adil Engineer reported a tax-related share withholding. On 2026-07-27, 142 shares of Common Stock were withheld at $77.48 per share to satisfy tax withholding obligations upon the vesting of restricted stock units, which the company states does not represent a sale by the reporting person.
Following this withholding, Engineer directly holds 46,977 shares of Common Stock, and this amount includes shares subject to unvested restricted stock units.
Aehr Test Systems has filed an automatic shelf registration as a well-known seasoned issuer, allowing it to offer from time to time various securities, including common stock, preferred stock, debt securities, depositary shares, warrants, subscription rights and units. Specific offering amounts, prices and terms will be set in future prospectus supplements, and net proceeds will be used as described in those supplements.
The company is authorized to issue 75,000,000 shares of common stock and 10,000,000 shares of preferred stock. As of July 20, 2026, 32,620,450 common shares were outstanding, with no preferred shares outstanding. Equity awards outstanding include 252,489 stock options and 692,905 restricted stock units. Aehr’s common stock last traded at $76.32 per share on July 24, 2026 on the Nasdaq Capital Market.
Aehr Test Systems reports on its fiscal year ended May 29, 2026 as a provider of semiconductor test and burn-in solutions for wafer-level, die-level and package-level devices used in AI, power electronics, silicon photonics, automotive and memory applications.
Net revenues from full wafer contact systems, WaferPak contactors and services were $31.5 million in 2026, about 63% of net revenues, while package level systems and services contributed $18.5 million, about 37%. Backlog was $80.6 million at May 29, 2026 compared with $15.2 million a year earlier; this backlog reflects confirmed orders scheduled to ship within 12 months.
The customer base remains concentrated: the five largest customers generated 70% of 2026 net revenues, with three customers at 26%, 14% and 11%. About 59% of sales were for delivery outside the United States. The company employed 138 people worldwide and highlights ESG initiatives focused on EV and power semiconductors, energy efficiency and employee development.
AEHR Test Systems director Scott Geoffrey Gates reported a bona fide gift of 2,874 shares of Common Stock on 2026-07-21, donated to the Scott Family Gift Fund. After the gift he directly holds 51,648 shares, including shares subject to unvested restricted stock units, plus indirect holdings of 30,686 shares by a trust and 30,000 shares by his spouse.
Aehr Test Systems executive Alistair N. Sporck, VP Contactor Business Unit, had 334 common shares withheld at $81.05 on July 20, 2026 to satisfy tax withholding obligations upon vesting of restricted stock units; this was not an open-market sale.
After this withholding, Sporck holds 25,680 shares directly, including unvested restricted stock units, and 5,177 shares indirectly through a trust.
Aehr Test Systems director Scott Geoffrey Gates reported multiple transactions in Common Stock on July 16, 2026. An account held indirectly by his spouse sold 20,000 shares at $82.1325 per share, leaving 30,000 shares indirectly held by the spouse. A trust through which he reports indirect ownership made a bona fide gift of 10,000 shares to the Scott Family Fund, with 30,686 shares remaining in that trust. He also reports 54,522 shares held directly, and this direct amount includes shares subject to unvested restricted stock units.
Aehr Test Systems President and CEO Erickson Gayn reported a tax-withholding disposition of 3,447 shares of common stock at $72.01 per share to cover taxes upon vesting of restricted stock units and restricted shares, which is described as not an open-market sale. Following this, he holds 198,578 shares directly, including unvested awards, and 197,723 shares indirectly through a trust.