Aehr Test Systems, a U.S.-based company specializing in the development, manufacturing, and selling of systems designed to reduce the cost of testing dynamic random access memory (DRAM) and other memory devices, has recently filed a series of Form 4 reports with the Securities and Exchange Commission (SEC). These filings, dated October 2, 2026, detail changes in the ownership of the company’s common stock by several of its executives.

Aehr Test Systems, headquartered in Fremont, operates within the Information Technology sector, specifically focusing on the Semiconductors & Semiconductor Equipment industry. The company is listed on the Nasdaq stock exchange and has a market capitalization of $3.5 billion. As of October 4, 2026, the close price of Aehr’s stock was $104.4, with a 52-week high of $147.4 on August 13, 2026, and a 52-week low of $18.7 on November 20, 2025. The company’s price-to-earnings ratio stands at -457.36.

The Form 4 filings reveal that Erickson Gayn, the president and chief executive officer, maintained a substantial direct holding in the company. Additionally, the chief operating officer, Engineer Adil, and the chief technology officer, Richmond Donald P. II, each increased their direct positions through purchases or retention of shares. This indicates a strong confidence in the company’s future prospects among its top executives.

Executive Vice President of Sales & Marketing, Rogers Vernon, and Executive Vice President of PPBI Business, Salvador Alberto, also reported changes in their equity holdings, reflecting ongoing transactions. Furthermore, the chief financial officer, Chris Siu, recorded a significant purchase and a trust-based holding, underscoring continued managerial participation in the company’s equity.

These filings are part of the company’s regular reporting obligations and are available for public review on the SEC’s EDGAR database. Aehr Test Systems, since its initial public offering on August 14, 1997, has continued to focus on providing integrated circuit manufacturers with systems that enable the test and burn-in of bare dies, as well as the screening of complex logic and memory devices.

For more information about Aehr Test Systems, interested parties can visit their website at www.aehr.com .