Perimeter Solutions, SA: directors' dealings · United States · SEC (Form 4)

About Perimeter Solutions, SA

Perimeter Solutions, SA (NYSE: PRM) is a U.S.-listed company headquartered operationally in Clayton, Missouri, that specializes in mission-critical industrial products and services. The company became publicly listed on the New York Stock Exchange on November 9, 2021 following a business combination, but its operating heritage is older and has been built through a series of acquisitions and organic development in fire safety and specialty chemicals. ([perimeter-solutions.com](https://www.perimeter-solutions.com/about-history/?utm_source=openai)) The business is organized into two reporting segments. Fire Safety includes fire retardants, firefighting foams, gels, and related services. Perimeter describes itself as the largest global producer of firefighting chemicals, with a broad portfolio spanning retardant and foam applications. Its brands include PHOS-CHEK, FIRE-TROL, AUXQUIMIA, and SOLBERG, and the company is a key supplier to wildfire management agencies such as the USDA Forest Service and CalFire. Importantly, Perimeter’s offering goes beyond product supply: it provides equipment, personnel, logistics, and technical service, which makes it a more integrated partner than a pure product vendor. ([perimeter-solutions.com](https://www.perimeter-solutions.com/en/about-overview/?utm_source=openai)) Specialty Products focuses primarily on lubricant additives and the upstream chemistry used to manufacture them. A core asset is phosphorous pentasulfide (P2S5), a critical raw material in anti-wear additive systems such as zinc dialkyldithiophosphates (ZDDP). Perimeter states that it is the only producer of P2S5 with a global manufacturing footprint, with production sites in the United States and Western Europe. That positioning gives the company a differentiated role in the lubricant additives supply chain and supports a niche market position with relatively high barriers to entry. ([perimeter-solutions.com](https://www.perimeter-solutions.com/en/about-overview/?utm_source=openai)) From a competitive standpoint, Perimeter occupies specialized and less commoditized end markets. In Fire Safety, it benefits from long-standing customer relationships, regulatory qualifications, and a strong installed position in wildfire response. In Specialty Products, its scarcity value in certain inputs provides an additional strategic moat. The business therefore combines public-sector and industrial demand, which can help diversify revenue streams, although it also leaves the company exposed to weather-driven wildfire activity, government procurement cycles, and industrial cycle fluctuations. ([perimeter-solutions.com](https://www.perimeter-solutions.com/en/about-overview/?utm_source=openai)) Geographically, Perimeter has a global footprint with operations and customers in North America and Western Europe, plus international reach in fire safety and specialty chemicals. Recent company developments have reinforced this footprint: in 2025, Perimeter opened a new fire-retardant production facility at McClellan Park in Sacramento, California, which it described as one of the world’s most advanced facilities of its kind. The company also announced a transformative five-year USDA agreement in 2025 and reported additional add-on product line acquisitions in late 2025 and early 2026, underscoring a strategy centered on capacity expansion, product breadth, and selective M&A. ([perimeter-solutions.com](https://www.perimeter-solutions.com/en/2025/07/perimeter-solutions-opens-one-of-the-worlds-most-advanced-fire-retardant-production-facility/?utm_source=openai))