---
schema_version: "secwatch.filing_event.v1"
accession: "0001828536-25-000184"
form_type: "8-K"
ticker: "NRGV"
cik: "0001828536"
company_name: "Energy Vault Holdings, Inc."
filed_at: "2025-10-14T23:59:59+00:00"
generated_at: "2026-05-17T03:58:02.698413+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Energy Vault closes $300M preferred equity from OIC, launches Asset Vault platform

## Summary
- OIC commits up to $300M in Series A Preferred Units of Asset Vault; initial $35M cash contribution due by Oct 24, 2025.
- Energy Vault contributes four project entities (Calistoga, Cross Trails, Stoney Creek, and a future BESS) to Asset Vault.
- Asset Vault portfolio totals 3GW/12+GWh; expects >$100M recurring annual EBITDA within 3-4 years.
- Warrants issued: 5.6M warrants initially, with additional tranches up to $300M; exercise price at 1.25x 5-day VWAP.
- Deployment of +1.5GW pipeline across U.S., Australia, Europe; two late-stage projects expected to draw ~$200M over next 6 months.

## SEC filing metadata
- accession: 0001828536-25-000184
- form_type: 8-K
- ticker: NRGV
- cik: 0001828536
- company_name: Energy Vault Holdings, Inc.
- filed_at: 2025-10-14T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 1.01, 3.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1828536/000182853625000184/0001828536-25-000184-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1828536/000182853625000184/nrgv-20251009.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001828536-25-000184
- JSON: https://secwatch.observer/filing/0001828536-25-000184.json
- Plain text: https://secwatch.observer/filing/0001828536-25-000184.txt

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