Here are the Form 4 insider transactions from Aehr Test Systems (AEHR) in our archive over the last 12 months, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A Form 4 covers the transactions officers, directors and large holders report, so if you follow AEHR and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full AEHR filings page.
AEHR Test Systems President and CEO Erickson Gayn reported a tax-related share withholding rather than an open-market sale. On January 14, 2026, 2,680 shares of common stock were withheld at $25.97 per share to cover tax obligations triggered by the vesting of restricted stock units and restricted shares, and the filing states this does not represent a sale by the reporting person. Following this transaction, Gayn directly beneficially owned 252,119 shares of common stock and indirectly beneficially owned 291,628 shares through a trust, with the indirect holdings reported as "By Trust."
Aehr Test Systems VP of Engineering filed an amended Form 4 to correct previously reported figures related to a tax withholding transaction on common stock dated 01/11/2026. The amendment clarifies that 486 shares were withheld to satisfy tax obligations at a price of $26.32 per share, rather than the 576 shares originally reported. It also updates the officer’s direct beneficial ownership after the transaction from the previously stated 213,587 shares to the correct total of 213,677 common shares.
AEHR TEST SYSTEMS President and CEO Erickson Gayn reported tax-related share withholding, not an open-market sale. On January 11, 2026, 3,531 shares of AEHR common stock were withheld at $26.32 per share to cover tax obligations triggered by the vesting of restricted stock units and restricted shares, as explained in the footnote.
After this transaction, Gayn beneficially owned 254,799 shares of common stock directly and 291,628 shares indirectly through a trust. The indirect amount includes shares subject to unvested restricted stock units and unvested restricted shares.
AEHR TEST SYSTEMS executive Vernon Rogers reported a routine tax-related share withholding tied to restricted stock units. On 01/11/2026, 576 shares of common stock were withheld at $26.32 per share to cover tax obligations when his restricted stock units vested, and this was not an open-market sale by Rogers. Following this transaction, he beneficially owned 177,830 shares of AEHR common stock, which the disclosure notes includes shares subject to unvested restricted stock units.
AEHR TEST SYSTEMS CTO Donald P. Richmond II reported a routine share withholding transaction related to equity compensation. On 01/11/2026, 576 shares of common stock were withheld at $26.32 per share to cover tax obligations that arose when restricted stock units vested. The filing states this does not represent a sale by the reporting person, but an administrative tax withholding.
After this transaction, Richmond beneficially owned 213,587 shares of AEHR Test Systems common stock, and this amount includes shares subject to unvested restricted stock units. The filing confirms that these holdings are reported as directly owned.
AEHR Test Systems chief financial officer Siu Chris reported an automatic share withholding related to equity compensation. On January 11, 2026, 799 shares of common stock were withheld at $26.32 per share to cover tax obligations when restricted stock units vested, which the filing clarifies does not represent a sale by the executive. After this transaction, the CFO beneficially owned 72,626 shares of AEHR common stock directly, and an additional 5,211 shares held indirectly by a trust. The reported direct holdings include shares underlying unvested restricted stock units.
AEHR TEST SYSTEMS VP Contactor Business Unit Alistair N. Sporck filed a Form 4 reporting a tax-related share withholding. On January 11, 2026, 239 shares of common stock were withheld at $26.32 per share to satisfy tax obligations upon the vesting of restricted stock units, and this is explicitly stated as not a sale by the reporting person.
After this withholding, Sporck beneficially owns 28,692 shares of common stock directly, which include shares subject to unvested restricted stock units, and an additional 5,214 shares indirectly held by a trust.
Aehr Test Systems Chief Operating Officer Engineer Adil reported an automatic share withholding related to restricted stock units, not an open-market sale. On January 11, 2026, 444 shares of common stock were withheld at $26.32 per share to cover tax obligations when restricted stock units vested. After this entry, Adil beneficially owned 45,839 shares of Aehr Test Systems common stock, which includes shares subject to unvested restricted stock units.