Hennessy Capital Investment Corp. VII Files Amended Registration Statement for ONE Nuclear Merger

HVII
April 09, 2026

Hennessy Capital Investment Corp. VII (HVII) and ONE Nuclear Energy LLC filed an amended registration statement on Form S‑4 with the U.S. Securities and Exchange Commission on April 3 2026, a filing that was publicly disclosed on April 9 2026.

The amendment updates the terms of the proposed business combination, revising financial projections, expanding risk disclosures, and extending the closing timeline. The filing also incorporates additional information about the combined company’s strategy to develop natural‑gas‑backed small modular reactors (SMRs).

The revised timeline pushes the outside date for consummating the business combination to June 30 2026, extending it from the original April 30 2026 deadline. This extension reflects the parties’ need for additional time to secure shareholder approval and achieve SEC effectiveness of the registration statement.

The merger combines a SPAC with ONE Nuclear, an independent developer of hybrid energy solutions that pair high‑efficiency natural‑gas generation with SMR technology. ONE Nuclear plans to deploy natural‑gas generation by 2028 to generate revenue and fund SMR development, with SMR operations targeted for 2034. The hybrid approach is designed to meet the growing demand for reliable baseload power, particularly for AI data centers and industrial users.

The transaction is expected to generate up to approximately $210 million in gross proceeds, comprising anticipated PIPE proceeds and up to $195 million of cash held in HVII’s trust account, before accounting for potential redemptions and transaction expenses. These proceeds will support ONE Nuclear’s development activities and cover transaction costs.

Management has highlighted partnerships with industry leaders such as Rolls‑Royce, Westinghouse, GE Vernova, and Black & Veatch, and plans to leverage U.S. Department of Energy financing and investment tax credits to accelerate the hybrid energy strategy. The amended filing signals the parties’ continued progress toward closing the deal and advancing the hybrid energy roadmap.

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