Northwest Pipe Co: management transactions · United States · SEC (Form 4)

About Northwest Pipe Co

Northwest Pipe Co. (ticker: NWPX) is a U.S.-listed industrial company traded on the NYSE/NASDAQ in the United States, with a focused niche in water infrastructure, wastewater infrastructure, and related engineered pipe systems. The company operates under the NWPX Infrastructure brand and presents itself as a long-standing leader in water transmission and infrastructure products. Its corporate headquarters is in Vancouver, Washington, and its manufacturing footprint spans multiple sites across the United States, with additional operations in Mexico. ([nwpipe.com](https://www.nwpipe.com/about/locations/?utm_source=openai)) From a history standpoint, the business traces its roots to 1966/1967, when its original operations began around steel pipe for water applications. That heritage matters because Northwest Pipe serves technically demanding, mission-critical end markets rather than general-purpose commodity pipe demand. The company describes itself as the nation’s leading manufacturer of engineered water pipeline and infrastructure products, and its strategy has been built around customization, reliability, and engineering support for utilities, contractors, and engineering firms. ([nwpipe.com](https://www.nwpipe.com/about/?utm_source=openai)) Northwest Pipe’s core product set is centered on engineered steel water pipe manufactured to project-specific requirements. These products are designed for long-distance water transmission, high-pressure applications, and environments where seismic resilience is important. Beyond steel water pipe, the company offers Permalok steel casing pipe for trenchless applications, bar-wrapped concrete pipe, reinforced concrete pipe, and a broad precast portfolio that includes manholes, box culverts, vaults, catch basins, and inlet structures. It also sells packaged water and wastewater systems and pre-assembled infrastructure solutions for water, stormwater, and sanitary sewer projects. ([nwpipe.com](https://www.nwpipe.com/products/?utm_source=openai)) In competitive terms, NWPX occupies a specialized position in North American water infrastructure. Its advantage lies in technical depth, customization, product breadth, and an industrial footprint positioned close to end markets. The company emphasizes solutions engineered for decades of service life, which is attractive in a sector where municipalities and public utilities prioritize durability, installation efficiency, and lifecycle economics over upfront price alone. Its facilities are strategically distributed to support infrastructure projects across the United States, Canada, and Mexico. ([nwpipe.com](https://www.nwpipe.com/products/engineered-steel-water-pipe/?utm_source=openai)) Recent news highlights a clear growth and innovation agenda. In February 2026, Northwest Pipe announced the acquisition of Boughton’s Precast in Pueblo, Colorado, expanding its precast manufacturing capabilities and strengthening its presence in the Mountain States. In March 2025, the company announced a new precast concrete plant in Utah, signaling continued capacity expansion in its concrete infrastructure platform. In February 2025, Northwest Pipe said it received a U.S. patent for its InfraShield® Joint System, reinforcing its innovation credentials in geohazard-resistant steel pipe solutions. ([nwpipe.com](https://www.nwpipe.com/about/news/nwpx-infrastructure-announces-acquisition-of-boughtons-precast/?utm_source=openai))