Explore the full insider trade history of Richardson Electronics Ltd/de, a listed issuer based in United States. Shares trade on US US, under the authority of SEC (Form 4). Operating in the Technology sector, Richardson Electronics Ltd/de has published 44 insider filings. Market capitalisation: €129m. The latest transaction was filed on 19 January 2022 — Don. Among the most active insiders: RICHARDSON EDWARD J. All data is free.
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Richardson Electronics, Ltd. (NASDAQ: RELL) is a U.S.-based industrial technology company headquartered in LaFox, Illinois, United States. Listed on the NASDAQ market, the company serves a global customer base and positions itself as a provider of engineered, high-value technical solutions rather than a broadline electronics distributor. Its origins date back to 1947, when Arthur H. Richardson founded the business in Illinois. Richardson became publicly traded in 1983, and over time it has built a reputation in specialized markets where technical know-how, customization, after-sales support, and supply-chain reliability matter more than scale alone. Today, Richardson Electronics’ business is organized around several complementary platforms. The company focuses on power grid and microwave tubes and related consumables, power conversion and RF/microwave components, green energy solutions, diagnostic imaging replacement tubes and parts, and customized display solutions through its Canvys division. This portfolio gives the company exposure to multiple end markets, including industrial, energy, healthcare-related aftermarket, communications, and display integration. The common thread is engineering-led product development and a focus on mission-critical components that are often difficult to replace quickly. From a competitive standpoint, Richardson Electronics is best viewed as a niche specialist rather than a commodity supplier. Its strength lies in technical expertise, application engineering, and the ability to manufacture or source customized solutions for demanding customers. The company states that a significant portion of its products are manufactured in LaFox, Illinois, Marlborough, Massachusetts, Donaueschingen, Germany, or by manufacturing partners around the world. That manufacturing footprint, combined with its U.S. base, supports its value proposition in an environment where customers increasingly care about lead times, quality control, and supply-chain resilience. Recent strategic developments have reinforced the company’s transition toward higher-growth opportunities. In January 2025, Richardson Electronics sold a substantial portion of its Healthcare business to DirectMed Imaging while retaining a long-term supply agreement for repaired Siemens CT X-ray tubes. In May 2026, the company announced a technology partnership with Gotion to deliver U.S.-manufactured battery energy storage systems, underscoring the growing importance of its Green Energy Solutions platform. The company also reported recent revenue growth driven by Green Energy Solutions and maintained a quarterly cash dividend of $0.06 per share. For international investors, Richardson Electronics is a differentiated U.S. NASDAQ-listed specialty industrial and technology name with exposure to power management, energy transition, and engineered aftermarket solutions.