Energy Vault Holdings, Inc. (NYSE: NRGV) is a clean energy technology company that entered the public markets through a business combination with Novus Capital Corporation II, a blank-check company sponsored by Novus Capital, which completed its IPO in 2021 with the merger closing in February 2022. Operating in the energy storage sector, Energy Vault develops gravity-based and battery energy storage systems aimed at grid-scale applications. The company filed an 8-K with the SEC on May 7, 2026, under accession number 0001104659-26-057301, reflecting an active reporting posture as a post-combination public issuer trading on the NYSE. Visit SpacDesk and sign up for full data, filing history, and analytics on NRGV and hundreds of other SPAC-originated companies.