NewHold Investment Corp. III Completes Business Combination with NewCleo Ltd

Hennessy Capital Investment Corp. VII to take ONE Nuclear Energy public via business combination

October 23, 2026

Infrastructure

Hennessy Capital Investment Corp. VII (a SPAC) and ONE Nuclear Energy LLC entered a proposed business combination that would result in ONE Nuclear becoming a U.S.-listed public company on Nasdaq under the ticker “ONEN.” The transaction was later approved by Hennessy VII shareholders and closed in September 2026, with Hennessy VII domestication as a Delaware corporation and ONE Nuclear becoming its wholly owned subsidiary.

HGP Intelligent Energy to Become Public via Business Combination with Meshflow Acquisition Corp

September 8, 2026

AI & Machine Learning

HGP Intelligent Energy entered into a definitive business combination agreement with Meshflow Acquisition Corp. The transaction will combine the companies under a newly formed Delaware holding company (Leyte Parent, Inc.), resulting in HGP becoming publicly traded. Proceeds are expected to support qualification/manufacturing of HGP’s variable-speed reactor coolant pump, further digital twin development, and work related to the Integrated Naval Nuclear Energy Campus.

Celly H2 Acquires Chemtec New Energies from Chemtec Energy Services

July 30, 2024

Renewable Energy

Celly H2 LLC has acquired Chemtec New Energies (CNE), a renewable-energy focused division of Chemtec Energy Services LLC, to expand its hydrogen fueling and storage infrastructure capabilities. The deal brings CNE's modular refueling and storage expertise into Celly's portfolio to accelerate deployment of modular advanced hydrogen refueling stations (MAHRS) for municipalities, transit authorities, fleets, industrial users and ports.

Energy Vault Completes Business Combination with Novus Capital Corporation II

February 14, 2022

Energy

Energy Vault Holdings, Inc. completed a business combination with Novus Capital Corporation II and began trading on the New York Stock Exchange (NRGV) on February 14, 2022. The transaction provided approximately $235 million in gross proceeds (plus prior Series C and a $50M licensing fee from Atlas Renewable) to fund commercialization of the company’s grid-scale energy storage technologies and energy management software.

Novus Capital Corporation II Business Combination with Energy Vault, Inc. (PIPE with Korea Zinc and Atlas Renewable)

February 11, 2022

Energy

Novus Capital Corporation II completed its business combination with Energy Vault, Inc., creating a publicly traded platform for gravity-based, grid-scale energy storage solutions. The transaction included a common stock PIPE anchored by Korea Zinc and Atlas Renewable, with proceeds used to fund growth and global deployment of Energy Vault’s technology.

US Ecology Merges with NRC Group Holdings Corp.

November 1, 2019

Environmental Services

US Ecology, Inc. completed an all-stock merger with NRC Group Holdings Corp., combining US Ecology's hazardous and industrial waste services with NRC's nationwide emergency response and oil & gas disposal capabilities. The transaction creates a larger, nationwide environmental services leader, expands service verticals and landfill disposal capabilities in key Gulf basins, and is expected to drive cross-selling opportunities and operational synergies.