[Form 4] AEHR TEST SYSTEMS Insider Trading Activity
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.
Didier Wimmers, vicepresidente esecutivo R&S di Aehr Test Systems (AEHR), ha acquistato 1.628 azioni ordinarie AEHR il 01/10/2025 al prezzo di 6,6725 USD per azione nell’ambito del Piano di Acquisto Azioni per Dipendenti del 2006, come modificato e riformulato, che la dichiarazione indica come piano condizionato fiscalmente ai sensi della Sezione 423 dell’IRC e pertanto è esente da responsabilità di short-swing della Sezione 16. Dopo l’acquisto, la dichiarazione riferisce 14.921 azioni totali detenute beneficiariamente, cifra che il dichiarante indica includere azioni soggette a unità azionarie vincolate non ancora vestite. Il Form 4 è stato presentato da una sola persona segnalante e firmato da un procuratore per conto della persona segnalante.
Didier Wimmers, vicepresidente ejecutivo de I+D de Aehr Test Systems (AEHR), compró 1.628 acciones ordinarias de AEHR el 01/10/2025 a 6,6725 USD por acción, bajo el Plan de Compra de Acciones para Empleados de 2006, revisado y restablecido, del cual la declaración señala que es un plan condicionado por impuestos conforme a la Sección 423 del IRC y está exento de responsabilidad de corto plazo de la Sección 16. Tras la compra, la declaración reporta 14.921 acciones totales beneficiarias, una cantidad que el declarante indica que incluye acciones sujetas a unidades de acciones restringidas no vestidas. El Formulario 4 fue presentado por una única persona reportante y firmado por un apoderado en nombre de la persona reportante.
Didier Wimmers, Aehr Test Systems(AEHR)의 연구개발 총괄 부사장은 2025년 10월 1일 주당 6.6725달러에 AEHR 보통주 1,628주를 회사의 2006년 직원 주식매입계획(수정 및 재정비된 계획) 하에 매수했으며, 이 서류에는 이 계획이 세금조건부 계획에 해당하고 IRC 제423조에 따라 16조의 쇼트스윙 책임 면제 대상임이 명시되어 있습니다. 매수 후 서류에는 총 14,921주를 수혜보유 보유로 기재되어 있으며, 이는 가용되지 않은 제한주식단위가 포함된 주식을 포함한다고 신고자는 밝히고 있습니다. Form 4는 단일 보고자에 의해 제출되었고, 보고자의 대리인이 서명했습니다.
Didier Wimmers, vice-président exécutif R&D d’Aehr Test Systems (AEHR), a acheté 1 628 actions ordinaires AEHR le 01/10/2025 à 6,6725 USD l’action dans le cadre du Plan d’achat d’actions des employés de 2006, tel que modifié et rétabli, dont le dossier indique qu’il s’agit d’un plan conditionné fiscalement selon la section 423 de l’IRC et exonéré de la responsabilité de court terme de la Section 16. Après l’achat, le dossier indique 14 921 actions détenues bénéfiquement au total, montant que le déclarant précise inclure des actions soumises à des unités d’actions restreintes non vestées. Le Form 4 a été déposé par une seule personne déclarante et signé par un mandataire au nom de la personne déclarante.
Didier Wimmers, Executive Vice President of R&D bei Aehr Test Systems (AEHR) hat am 01.10.2025 1.628 Stammaktien von AEHR zu einem Preis von 6,6725 USD pro Aktie im Rahmen des veränderten und erneuerten 2006 Employee Stock Purchase Plan des Unternehmens erworben. Die Einreichung weist darauf hin, dass es sich um einen steuerlich bedingten Plan gemäß IRC Abschnitt 423 handelt und von der Section 16 Short-Swing-Liability befreit ist. Nach dem Kauf meldet die Einreichung insgesamt 14.921 wirtschaftlich berechtigte Anteile, eine Angabe, die der Einreicher auch als Aktien enthält, die unvested Restricted Stock Units unterliegen. Das Form 4 wurde von einer meldenden Person eingereicht und von einem Bevollmächtigten im Namen der meldenden Person unterschrieben.
ديدييه ويمرس، نائب الرئيس التنفيذي للأبحاث والتطوير في شركة أير تِست سيستمز (AEHR)، اشترى 1,628 سهمًا عاديًا من AEHR في 01/10/2025 بسعر 6.6725 دولار للسهم وفق خطة شراء أسهم الموظفين المُعدَّلة والمعاد صياغتها لعام 2006، كما تشير الوثيقة الإدارية إلى أنها خطة مشروطة ضريبيًا وفقًا لـIRC القسم 423 وهي معفاة من مسؤولية التحركات القصيرة المنصوص عليها في القسم 16. بعد الشراء، تورد الوثيقة إجمالًا 14,921 سهمًا بنينيقياً، وهو ما يوضح الموقع أنه يشمل الأسهم الخاضعة لوحدات الأسهم المقيدة غير المحكومة. وقد تم تقديم النموذج 4 بواسطة شخص واحد مُبلغ عنه وموقع من وكيل مفوض نيابة عن الشخص المبلغ عنه.
Didier Wimmers，Aehr Test Systems（AEHR）的研发执行副总裁，于2025年10月1日以每股6.6725美元的价格购买了AEHR普通股1,628股，依据公司修订后的2006年员工股票购买计划，该计划被披露为< b>税务条件计划，根据IRC第423条并且免除第16节的短 Swing 责任。购买后，申报显示总计14,921股受益所有权股份，申报人表示其中包含尚未 vest的受限股票单位所对应的股票。Form 4由一名申报人提交，并由代理律师代为签署。
- Insider acquisition disclosed: Executive VP purchased 1,628 shares through the company ESPP, showing participation in the employee plan
- Transaction exempt under IRC Section 423: Filing explicitly states the purchase is tax-conditioned and exempt from six-month short-swing liability
- Clear beneficial ownership disclosure: Post-transaction ownership of 14,921 shares is reported and notes inclusion of unvested restricted stock units
- None.
Insights
TL;DR: An insider acquired a small block of shares through the company ESPP, modestly increasing beneficial ownership.
The transaction is an employee stock purchase plan acquisition of 1,628 shares at $6.6725 on 10/01/2025, recorded on a Form 4. Because the shares were bought under an IRC Section 423 tax-conditioned ESPP, the filing explicitly notes exemption from six-month short-swing liability under Section 16. The reported post-transaction beneficial ownership is 14,921 shares, which includes unvested restricted stock units; the filing does not disclose the proportion of vested versus unvested shares or the holder’s total economic exposure. This is a routine insider transaction with limited immediate valuation impact given disclosed sizes.
TL;DR: Disclosure complies with Section 16 formatting; purchase via IRC 423 ESPP is properly identified and signed by an attorney-in-fact.
The Form 4 identifies the reporting person, role as Executive VP of R&D, transaction date, quantity purchased, price, and that the shares were acquired under the company’s amended ESPP. It also clarifies inclusion of unvested restricted stock units in the beneficial ownership total. The form is signed by an attorney-in-fact, satisfying signature requirements. No amendments, dispositions, derivative transactions, or additional material governance events are reported.
Didier Wimmers, vicepresidente esecutivo R&S di Aehr Test Systems (AEHR), ha acquistato 1.628 azioni ordinarie AEHR il 01/10/2025 al prezzo di 6,6725 USD per azione nell’ambito del Piano di Acquisto Azioni per Dipendenti del 2006, come modificato e riformulato, che la dichiarazione indica come piano condizionato fiscalmente ai sensi della Sezione 423 dell’IRC e pertanto è esente da responsabilità di short-swing della Sezione 16. Dopo l’acquisto, la dichiarazione riferisce 14.921 azioni totali detenute beneficiariamente, cifra che il dichiarante indica includere azioni soggette a unità azionarie vincolate non ancora vestite. Il Form 4 è stato presentato da una sola persona segnalante e firmato da un procuratore per conto della persona segnalante.
Didier Wimmers, vicepresidente ejecutivo de I+D de Aehr Test Systems (AEHR), compró 1.628 acciones ordinarias de AEHR el 01/10/2025 a 6,6725 USD por acción, bajo el Plan de Compra de Acciones para Empleados de 2006, revisado y restablecido, del cual la declaración señala que es un plan condicionado por impuestos conforme a la Sección 423 del IRC y está exento de responsabilidad de corto plazo de la Sección 16. Tras la compra, la declaración reporta 14.921 acciones totales beneficiarias, una cantidad que el declarante indica que incluye acciones sujetas a unidades de acciones restringidas no vestidas. El Formulario 4 fue presentado por una única persona reportante y firmado por un apoderado en nombre de la persona reportante.
Didier Wimmers, Aehr Test Systems(AEHR)의 연구개발 총괄 부사장은 2025년 10월 1일 주당 6.6725달러에 AEHR 보통주 1,628주를 회사의 2006년 직원 주식매입계획(수정 및 재정비된 계획) 하에 매수했으며, 이 서류에는 이 계획이 세금조건부 계획에 해당하고 IRC 제423조에 따라 16조의 쇼트스윙 책임 면제 대상임이 명시되어 있습니다. 매수 후 서류에는 총 14,921주를 수혜보유 보유로 기재되어 있으며, 이는 가용되지 않은 제한주식단위가 포함된 주식을 포함한다고 신고자는 밝히고 있습니다. Form 4는 단일 보고자에 의해 제출되었고, 보고자의 대리인이 서명했습니다.
Didier Wimmers, vice-président exécutif R&D d’Aehr Test Systems (AEHR), a acheté 1 628 actions ordinaires AEHR le 01/10/2025 à 6,6725 USD l’action dans le cadre du Plan d’achat d’actions des employés de 2006, tel que modifié et rétabli, dont le dossier indique qu’il s’agit d’un plan conditionné fiscalement selon la section 423 de l’IRC et exonéré de la responsabilité de court terme de la Section 16. Après l’achat, le dossier indique 14 921 actions détenues bénéfiquement au total, montant que le déclarant précise inclure des actions soumises à des unités d’actions restreintes non vestées. Le Form 4 a été déposé par une seule personne déclarante et signé par un mandataire au nom de la personne déclarante.
Didier Wimmers, Executive Vice President of R&D bei Aehr Test Systems (AEHR) hat am 01.10.2025 1.628 Stammaktien von AEHR zu einem Preis von 6,6725 USD pro Aktie im Rahmen des veränderten und erneuerten 2006 Employee Stock Purchase Plan des Unternehmens erworben. Die Einreichung weist darauf hin, dass es sich um einen steuerlich bedingten Plan gemäß IRC Abschnitt 423 handelt und von der Section 16 Short-Swing-Liability befreit ist. Nach dem Kauf meldet die Einreichung insgesamt 14.921 wirtschaftlich berechtigte Anteile, eine Angabe, die der Einreicher auch als Aktien enthält, die unvested Restricted Stock Units unterliegen. Das Form 4 wurde von einer meldenden Person eingereicht und von einem Bevollmächtigten im Namen der meldenden Person unterschrieben.
FAQ
What did AEHR insider Didier Wimmers purchase on 10/01/2025?
Is the ESPP purchase subject to Section 16 short-swing rules for AEHR?
How many AEHR shares does Didier Wimmers beneficially own after the transaction?
Who signed the Form 4 for this AEHR filing?
Was this Form 4 filed by multiple reporting persons?
