Notice of Proposed Sale · 144
Energy Vault Holdings, Inc.
NRGVNYSEEQUITYCurrent
Notice of Proposed Sale
Structured filing — 144
primary_doc.xml
Notice of proposed sale. The proposed amounts below do not establish that a sale occurred.
Proposed-sale notice
- Issuer
- Energy Vault Holdings, Inc.
- Issuer CIK
- 0001828536
- SEC file number
- 001-39982
- Phone
- 805-852-0000
- Person for whose account securities are to be sold
- Unwin Stephanie
- Relationships to issuer
- Director
- Street
- 4165 EAST THOUSAND OAKS BLVD.
- Street (continued)
- SUITE 100
- City
- WESTLAKE VILLIAGE
- State / country code
- CA
- Postal code
- 91362
Securities proposed for sale
| Security | Proposed units | Aggregate market value | Units outstanding | Approximate sale date | Exchange | Broker / market maker |
|---|---|---|---|---|---|---|
| Common | 115,000 | 426,984.67 | 181,839,570 | 08/26/2026 | NYSE | Fidelity Brokerage Services LLC |
Broker / market maker — proposed row 1, entry 1
- Name
- Fidelity Brokerage Services LLC
- Street
- 900 Salem Street
- City
- Smithfield
- State / country code
- RI
- Postal code
- 02917
Acquisition of securities to be sold
| Security | Acquired | Nature of acquisition | Acquired from | Amount acquired | Gift transaction | Payment date | Nature of payment |
|---|---|---|---|---|---|---|---|
| Common | 05/31/2026 | Restricted Stock Vesting | Issuer | 115,000 | N | 05/31/2026 | Compensation |
Prior-sale reporting
- Nothing to report for the preceding three months
- Y
Notice signature
- Notice date
- 08/26/2026
- Signed
- /s/ Adam Gehring, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Stephanie Unwin
Company context
Energy Vault® is an integrated power infrastructure platform that builds, owns and operates flexible, reliable energy systems to accelerate time-to-power for utilities, independent power producers, industrial customers and the AI and data center market. At the core of its platform is a technology-agnostic, software-enabled architecture that is designed to accelerate project delivery, optimize performance and drive faster time-to-revenue. Energy Vault’s integrated solutions combine energy storage, generation and advanced energy management to deliver scalable infrastructure tailored to customer needs. Its portfolio spans short-, long- and multi-day duration storage, designed to enable reliability, flexibility and cost efficiency across applications. For utilities and grid operators, Energy Vault provides firm, flexible capacity that enhances grid stability and helps to ensure reliable power delivery. For industrial and data center customers, the platform enables resilient, cost-efficient power supply to support critical operations. Through its Build, Own & Operate model, Energy Vault generates long-term, recurring revenues while delivering project execution excellence across development, delivery and operations. By combining innovation with disciplined execution, Energy Vault is redefining how power infrastructure is developed and deployed - delivering reliability, flexibility and scale in a rapidly evolving global energy market. Please visit www.energyvault.com for additional
Current securities
Recent company filings
- Results of Operations and Financial ConditionNov 10, 2026
- Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet ArrangementSep 22, 2026
- Entry into a Material Definitive Agreement · Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet ArrangementAug 20, 2026
- 10-Q filingAug 11, 2026
- Results of Operations and Financial ConditionAug 11, 2026