Every Form 4 that Aehr Test Systems (AEHR) has filed with the SEC in the last 12 months is listed below, 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 insider filing shows an internal equity withholding tied to vesting of restricted stock units rather than an open-market sale. On 10/02/2025 the reporting person recorded a disposition coded F for 36 shares at a price of $32.25; the filer explains these shares were withheld to satisfy tax withholding obligations upon RSU vesting and "does not represent a sale." After the transaction the reporting person beneficially owned 69,426 shares, an amount the filer says includes unvested restricted stock units. The filing was signed by an attorney-in-fact on 10/08/2025.
AEHR Test Systems (AEHR) reported a Form 4 showing that Donald P. Richmond II, the company's CTO and an officer, had 38 shares withheld on 10/02/2025 to satisfy tax withholding related to the vesting of restricted stock units; the filing clarifies this withholding is not a sale. Following the withholding, the reporting person beneficially owns 215,340 shares, an amount the form notes includes shares subject to unvested restricted stock units. The transaction price shown for the withheld shares is $32.25. The Form 4 was signed by an attorney-in-fact on 10/08/2025.
AEHR Test Systems reporting person Engineer Adil, the company's Chief Operating Officer, recorded a Form 4 reporting a tax-withholding disposition tied to the vesting of restricted stock units. On 10/02/2025 the reporting person had 51 shares withheld (reported as a disposition) at a price of $32.25 to satisfy tax-withholding obligations; the filing clarifies this was not a sale by the reporting person. After the withholding, the reporting person beneficially owned 47,311 shares, which the filing notes includes shares subject to unvested restricted stock units. The filing was signed by an attorney-in-fact on 10/08/2025.
Alistair N. Sporck, a VP, Contractor Business Unit at Aehr Test Systems (AEHR), reported a transaction on 10/02/2025 showing shares were withheld to satisfy tax withholding upon vesting of restricted stock units. The filing records 207 shares withheld at a price of $32.25 and a resulting beneficial ownership of 29,955 shares (which includes shares subject to unvested restricted stock units). The form clarifies the withheld shares "do not represent a sale by the Reporting Person." The report was filed individually and signed by an attorney-in-fact.
Aehr Test Systems CFO Chris Siu reported the vesting of restricted stock units on 10/02/2025. To satisfy tax withholding on the vesting event, 694 shares were withheld at a price of $32.25, which the filer notes is not a sale. After the transaction the reporting person beneficially owns 75,535 shares directly and 5,211 shares indirectly through a trust; the total reported direct ownership figure includes shares subject to unvested restricted stock units. The Form 4 is a routine disclosure of an insider tax-withholding action tied to RSU vesting and does not indicate an open-market sale.
AEHR TEST SYSTEMS (AEHR) reporting person Vernon Rogers disclosed a change in beneficial ownership on 10/02/2025. The filing shows 299 shares of Common Stock were disposed of at a price of $32.25. The form explains those 299 shares were withheld to satisfy tax withholding obligations upon the vesting of restricted stock units and do not represent a sale by the reporting person. After the reported transaction, the reporting person beneficially owned 69,462 shares; this total includes shares subject to unvested restricted stock units.
Erickson Gayn, President and CEO and a director of Aehr Test Systems (AEHR), reported a withholding of 2,069 shares to satisfy tax obligations related to vested restricted stock units; the filing clarifies this withholding was not a sale. After the reported transaction, the reporting person directly holds 269,592 shares and indirectly holds 291,628 shares through a trust, with the indirect amount including unvested restricted stock units and restricted shares. The withheld shares were recorded at a price of $32.25 per share. The Form 4 discloses these non‑derivative changes and reiterates the ownership split between direct and indirect holdings.
Engineer Adil, listed as Chief Operating Officer of Aehr Test Systems (AEHR), filed a Form 4 reporting a transaction dated 10/02/2025. The filing shows 385 shares of common stock were disposed (Code F) at a price of $32.25 per share; the form explains these shares were withheld to satisfy tax withholding obligations upon vesting of restricted stock units and do not represent a sale by the reporting person. After the transaction the reporting person beneficially owns 47,362 shares, an amount that includes shares subject to unvested restricted stock units. The filing was signed by an attorney-in-fact on 10/02/2025.
Didier Wimmers, Executive Vice President of R&D at Aehr Test Systems (AEHR), purchased 1,628 shares of AEHR common stock on 10/01/2025 at $6.6725 per share under the Company’s Amended and Restated 2006 Employee Stock Purchase Plan, which the filing notes is a tax-conditioned plan under IRC Section 423 and is exempt from Section 16 short-swing liability. After the purchase, the filing reports 14,921 total shares beneficially owned, an amount that the filer states includes shares subject to unvested restricted stock units. The Form 4 was filed by one reporting person and signed by an attorney-in-fact on behalf of the reporting person.
Insider purchase reported: Alberto Salamone, listed as Executive Vice President, PPBI Business, reported acquiring 184 shares of AEHR Test Systems common stock on 10/01/2025 at a price of $6.6725 per share under the company Amended and Restated 2006 Employee Stock Purchase Plan. The filing states the purchase is a tax-conditioned plan under Internal Revenue Code Section 423 and is exempt from Section 16 short-swing liability. After the transaction, Salamone is reported to beneficially own 78,533 shares, a total that includes shares subject to unvested restricted stock units. The Form 4 was executed by an attorney-in-fact, Chris Siu, on 10/01/2025.
AEHR Test Systems CFO Siu Chris reported insider activity on a Form 4 dated 10/01/2025. The filing shows an acquisition of 1,009 shares at a price of $6.6725 through the companys Amended and Restated 2006 Employee Stock Purchase Plan, which the filing states is a Section 423 tax-conditioned plan and exempt from six-month short-swing liability. The filing also records a disposition of 76,229 shares, and reports beneficial ownership of 5,211 shares following the transactions, held indirectly. The filing notes some reported shares include unvested restricted stock units. The signature on the form is "/s/ SIU CHRIS" dated 10/01/2025.
Engineer Adil, Chief Operating Officer of AEHR TEST SYSTEMS (AEHR), reported a purchase of 730 shares of the company's common stock on 10/01/2025 at a price of $6.6725 per share. The shares were acquired through the company's Amended and Restated 2006 Employee Stock Purchase Plan, a tax-conditioned plan under Internal Revenue Code Section 423, and this purchase is exempt from six-month short-swing liability under Section 16. Following the transaction, the reporting person beneficially owns 47,747 shares, an amount that includes shares subject to unvested restricted stock units.