---
schema_version: "secwatch.filing_event.v1"
accession: "0001828536-26-000083"
form_type: "8-K"
ticker: "NRGV"
cik: "0001828536"
company_name: "Energy Vault Holdings, Inc."
filed_at: "2026-07-01T10:55:32+00:00"
generated_at: "2026-07-01T11:03:19.137912+00:00"
event_type: "debt"
sentiment: "positive"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Energy Vault increases convertible debenture facility to $150M, adds $38M tranche, extends maturity

## Summary
- Amended securities purchase agreement to increase aggregate principal to $150M and issued additional $38M of senior secured convertible debentures at 95% of par.
- Amended and restated debenture bears 7.50% interest, extends maturity to July 1, 2027, and sets conversion floor at $1.19 per share.
- Subsidiary Calistoga Resiliency Center prepaid $5.0M of senior secured notes with waiver of make-whole amount and deferred DSCR testing to November 30, 2026.
- Subsidiary Cross Trails Energy Storage obtained consent to modify debt service coverage ratio calculations and waiver of defaults for Q1 and Q2 2026.
- Company reported material increase in sales backlog from $1.3 billion as of March 31, 2026.

## SEC filing metadata
- accession: 0001828536-26-000083
- form_type: 8-K
- ticker: NRGV
- cik: 0001828536
- company_name: Energy Vault Holdings, Inc.
- filed_at: 2026-07-01T10:55:32+00:00
- event_type: debt
- sentiment: positive
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 1.01, 7.01, 2.03, 3.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1828536/000182853626000083/0001828536-26-000083-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1828536/000182853626000083/nrgv-20260626.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001828536-26-000083
- JSON: https://secwatch.observer/filing/0001828536-26-000083.json
- Plain text: https://secwatch.observer/filing/0001828536-26-000083.txt

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