---
schema_version: "secwatch.filing_event.v1"
accession: "0001493152-26-036097"
form_type: "8-K"
ticker: "HVII"
cik: "0001846416"
company_name: "Hennessy Capital Investment Corp. VII"
filed_at: "2026-08-05T11:00:26+00:00"
generated_at: "2026-08-05T11:05:08.940183+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Hennessy VII and ONE Nuclear announce effective S-4, shareholder meeting set for Aug 24, 2026

## Summary
- SEC declared effective the S-4 registration statement for the business combination with ONE Nuclear.
- Extraordinary general meeting to approve the deal set for Aug 24, 2026; record date July 31, 2026.
- HVII shareholders must redeem shares by 5:00 pm ET on Aug 20, 2026; no requirement to vote against.
- Upon closing, combined company to trade as 'ONEN'; every 12 rights convert into one share.

## SEC filing metadata
- accession: 0001493152-26-036097
- form_type: 8-K
- ticker: HVII
- cik: 0001846416
- company_name: Hennessy Capital Investment Corp. VII
- filed_at: 2026-08-05T11:00:26+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1846416/000149315226036097/0001493152-26-036097-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1846416/000149315226036097/form8-k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001493152-26-036097
- JSON: https://secwatch.observer/filing/0001493152-26-036097.json
- Plain text: https://secwatch.observer/filing/0001493152-26-036097.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.