Penumbra, Inc. engages in the design, development, manufacture, and marketing of innovative medical devices. It offers neurovascular thrombectomy and embolization and access technologies, neurosurgical tools, Penumbra LANTERN Delivery Microcatheter, and Penumbra Occlusion Device (POD) system. The company was founded by Arani Bose and Adam Elsesser on June 21, 2004, and is headquartered in Alameda, CA.