---
schema_version: "secwatch.filing_event.v1"
accession: "0001493152-26-036762"
form_type: "8-K"
ticker: "HVII"
cik: "0001846416"
company_name: "Hennessy Capital Investment Corp. VII"
filed_at: "2026-08-10T13:00:17+00:00"
generated_at: "2026-08-10T13:01:04.953482+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# HVII and ONE Nuclear extend business combination outside date to Sep 30, 2026; raise loan cap to $620K

## Summary
- Third Omnibus Amendment dated Aug 7, 2026 extends outside date from Aug 15, 2026 to Sep 30, 2026.
- Promissory note maturity extended to Sep 30, 2026; maximum loan advances increased from $316,975 to $620,000.
- Registration statement on Form S-4 declared effective Aug 3, 2026; definitive proxy statement mailed to shareholders as of July 31, 2026 record date.
- Business combination with ONE Nuclear Energy LLC remains subject to shareholder vote and regulatory approvals.

## SEC filing metadata
- accession: 0001493152-26-036762
- form_type: 8-K
- ticker: HVII
- cik: 0001846416
- company_name: Hennessy Capital Investment Corp. VII
- filed_at: 2026-08-10T13:00:17+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 1.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1846416/000149315226036762/0001493152-26-036762-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1846416/000149315226036762/form8-k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001493152-26-036762
- JSON: https://secwatch.observer/filing/0001493152-26-036762.json
- Plain text: https://secwatch.observer/filing/0001493152-26-036762.txt

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