Energy Vault Holdings, Inc. (NYSE: NRGV) is a grid-scale energy storage company that went public in February 2022 through a business combination with Novus Capital Corporation II, a blank-check company that completed its IPO in 2021 with Novus Capital as sponsor. Headquartered in Westlake Village, California, Energy Vault develops and deploys long-duration energy storage systems, including its gravity-based storage technology and modular battery-based platforms, serving utilities, independent power producers, and renewable energy developers worldwide. The company operates in the clean energy and energy storage sector. Energy Vault filed an 8-K with the Securities and Exchange Commission on August 20, 2026, disclosing a material corporate development. Sign up at SpacDesk for complete filing history, deal terms, and real-time updates on NRGV and hundreds of other SPAC-originated companies.