PDF Solutions INC: insider trades · United States · SEC (Form 4)

About PDF Solutions INC

PDF Solutions, Inc. (NASDAQ: PDFS) is a U.S.-based technology company focused on data solutions for the semiconductor and electronics ecosystem. It is listed in the United States on the NASDAQ market, not NYSE, and serves chipmakers, foundries, test companies, and broader electronics manufacturers seeking better yield, quality, and operational efficiency. The company was founded in 1991 by Drs. John Kibarian and Kimon Michaels, and its headquarters are in Santa Clara, California, in the heart of Silicon Valley. ([pdf.com](https://www.pdf.com/company/overview/)) PDF Solutions’ core investment thesis is built around turning manufacturing and test data into actionable insight. In its annual report and corporate overview, the company says it has served more than 130 semiconductor companies since inception. It reports two main revenue sources: Analytics and Integrated Yield Ramp. Analytics includes on-premise software, SaaS offerings, hardware systems, and professional services. Integrated Yield Ramp includes characterization services and a variable, performance-linked royalty model called Gainshare. This mix gives the business exposure to both software-style recurring revenue and engineering services tied to customer manufacturing outcomes. ([pdf.com](https://www.pdf.com/company/overview/)) On the product side, PDF Solutions highlights platforms and technologies such as Exensio, Cimetrix, secureWISE, and CV/DFI systems. These products and services sit at the intersection of semiconductor process optimization, factory data collection, analytics, and secure equipment connectivity. In practical terms, the company helps customers break down data silos, improve yield, shorten time to market, and enhance product reliability. That positioning gives PDF Solutions a specialized niche rather than a broad-based software footprint: it is highly focused on semiconductor manufacturing intelligence and adjacent industrial connectivity use cases. ([pdf.com](https://www.pdf.com/company/overview/)) Competitively, the company benefits from deep domain expertise, a long operating history, and a portfolio that combines software, hardware, IP, and services. Its customer base is global, with operations described across the United States, Japan, China, and other international markets. This international reach matters because semiconductor manufacturing is geographically dispersed and highly technical, requiring localized support and close customer integration. ([stockanalysis.com](https://stockanalysis.com/stocks/pdfs/company/?utm_source=openai)) Recent developments have been supportive of the narrative. In Q1 2025, PDF Solutions reported total revenue of $47.8 million, up 16% year over year, with Analytics revenue of $42.5 million and a sharp increase in Integrated Yield Ramp revenue. The company also pointed to continued adoption of Exensio and the contribution of secureWISE following its acquisition, reinforcing the view that management is expanding the platform beyond its legacy core. For investors, PDF Solutions remains a specialized NASDAQ-listed U.S. technology name tied to the semiconductor cycle, but one with recurring software characteristics and differentiated data-driven offerings. ([pdfsolutions.gcs-web.com](https://pdfsolutions.gcs-web.com/static-files/f92552d0-1eb5-477c-ad66-5f15d84d0250))