Welcome to our dedicated page for Aehr Test Sys SEC filings (Ticker: AEHR), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Wafer-level burn-in may be Aehr Test Systems’ technical edge, yet investors often just want to know who is buying stock, how margins move, or whether new EV design wins are material. That information is scattered across hundreds of pages and several form types—especially when you search for “Aehr Test Systems SEC filings explained simply.” The same hunt includes the “Aehr Test Systems quarterly earnings report 10-Q filing” and “Aehr Test Systems insider trading Form 4 transactions,” turning routine research into a time drain.
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Insider reported RSU withholding to cover taxes and a small disposition of common stock. The filing shows Executive VP of R&D Didier Wimmers had 308 shares withheld at $24.52 per share on 09/03/2025 to satisfy tax withholding upon vesting of restricted stock units; the filing clarifies this withholding "does not represent a sale" by the reporting person. Following the transaction, the reporting person is shown as beneficially owning 13,293 shares, which the filer notes includes shares subject to unvested restricted stock units.
AEHR Test Systems (AEHR) Form 4: Chris Siu, the company's Chief Financial Officer, reported transactions on 09/02/2025 related to restricted stock units (RSUs). The filing shows 349 shares were withheld to satisfy tax withholding obligations upon RSU vesting; the filing explicitly states this withholding does not represent a sale by the reporting person. After the transaction, Mr. Siu beneficially owns 76,229 shares directly (the total includes shares subject to unvested RSUs) and an additional 4,202 shares held indirectly through a trust. The form is a routine Section 16 disclosure of an insider equity change tied to compensation vesting rather than an open-market trade.
A director of Aehr Test Systems (AEHR) reported a donation of 639 shares of common stock on 09/02/2025 using a Form 4 disclosure. The reported disposition was coded as a gift (transaction code G) with no cash proceeds ($0). After the donation, the reporting person beneficially owned 229,328 shares, an amount the filer notes includes unvested restricted stock units. The filing lists the reporting person as a director and shows the shares were donated to the California Association of CASAs, indicating a charitable transfer rather than a market sale.
Aehr Test Systems (AEHR) Form 144 notice reports a proposed sale of 10,000 common shares, with an aggregate market value of $201,600, to be sold through Charles Schwab & Co., Inc. on or about 08/15/2025 on Nasdaq. The shares were acquired on 04/05/2023 via stock option exercise from the issuer and were paid for in cash on the acquisition date. The filer reports no securities sold in the past three months and includes the standard representation that they are not aware of undisclosed material adverse information about the issuer. The filing presents a routine insider sale notification rather than operational or financial results.
AEHR Test Systems (AEHR) filed a Form 4 for EVP Alberto Salamone. On 08/01/2025, 186 common shares were withheld (code “F”) at $16.84 each—about $3.1 k—to cover taxes due on the vesting of restricted stock units. Such F-code transactions are executed by the company and are not open-market sales, so they do not reflect discretionary selling by the insider.
Following the withholding, Salamone directly owns 78,349 shares, which still include unvested RSUs; no derivative securities were reported. The change is immaterial to both his ownership percentage and the company’s share count. The filing is therefore routine and has neutral investment impact.
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