Aehr Test Systems Stock: price and directors' dealings · United States · SEC (Form 4)

About Aehr Test Systems

Aehr Test Systems is a United States-based company listed on the NASDAQ under the ticker AEHR. It is focused on semiconductor test, burn-in, and stabilization equipment, serving a highly specialized but strategically important niche in the chip supply chain. Headquartered in Fremont, California, in the heart of Silicon Valley, Aehr positions itself as a technology supplier that helps chip makers improve reliability before devices are deployed in demanding end markets. Its solutions are used for wafer-level, singulated die, and packaged-part testing. The company has been active in semiconductor test and burn-in for more than four decades, giving it meaningful historical depth in a technically demanding segment. While the business is rooted in the United States, Aehr states that it has installed thousands of systems worldwide, indicating an international customer base and a broad geographic footprint. This global reach is important because its products are tied to worldwide investment cycles in semiconductors, electric vehicles, data centers, renewable energy, and artificial intelligence infrastructure. Aehr’s core product families include the FOX-P platform and its FOX-XP, FOX-NP, and FOX-CP systems. These platforms are designed to test, burn in, and stabilize a wide range of devices, including silicon carbide power semiconductors, AI processors, memory chips, microcontrollers, sensors, system-on-chip devices, and photonic and optical devices. The company also sells complementary hardware such as WaferPak and DiePak products, plus loaders and aligners that support its test architecture. That product ecosystem is important because it gives Aehr an integrated offering rather than a single-point test tool. From a competitive standpoint, Aehr operates in a market with high technical barriers, where performance, throughput, and reliability matter more than scale alone. Its competitive position is supported by proprietary know-how in massively parallel test and burn-in solutions, especially for advanced power semiconductors and emerging AI-related applications. Demand drivers highlighted by the company include electric vehicles, EV charging infrastructure, solar and wind power, computing, advanced AI processors, telecom and data infrastructure, and solid-state memory. In 2025, Aehr said it was expanding its total addressable market and diversifying its customer base, while also announcing orders related to AI processors and next-generation power semiconductor applications. For French-speaking investors, Aehr stands out as a US-listed NASDAQ technology specialist with exposure to semiconductor quality assurance, electrification, and AI-led infrastructure growth.