Energy Vault Holdings, Inc., trading under the ticker NXU, is a post-merger SPAC company operating in the energy storage sector, focused on grid-scale and long-duration energy storage solutions. The company completed its business combination with Novus Capital Corporation II, the SPAC vehicle sponsored by Novus Capital, and began trading as a public company in 2022. Energy Vault's technology platform centers on gravity-based and battery hybrid storage systems aimed at utility and industrial customers. The company filed an 8-K with the SEC on May 30, 2025, accession number 0001828536-25-000069, reflecting its ongoing public reporting obligations. Sign up for SpacDesk to access full filing history, sponsor profiles, and real-time SPAC data on NXU and hundreds of other transactions.