Business Context and Reporting Period
Company: Energy Vault Holdings, Inc. (NRGV)
Filing Type: Form 8-K (Current Report)
Date of Report: December 16, 2025
Event: Subsequent closing of a senior unsecured convertible debenture issuance under a Securities Purchase Agreement entered into on September 22, 2025.
Key Financial Metrics and Transaction Details
- Debt Issuance: $20.0 million in aggregate principal amount of senior unsecured convertible debentures issued on December 16, 2025.
- Total Program Size: $50.0 million aggregate principal (includes $30.0 million initial tranche closed September 22, 2025).
- Issuance Price: 97% of principal.
- Interest Rate: 7% annual (increases to 18% during an uncured event of default).
- Maturity Date: March 22, 2027.
- Conversion Price: $7.53 per share (150% of VWAP on December 12, 2025).
- Use of Proceeds: General corporate working capital, storage project development, construction, and growth initiatives.
Material Changes and Debt Structure
This filing represents the completion of the second tranche of a $50.0 million financing facility. The debt structure includes unique amortization and conversion features:
- Amortization Schedule: Monthly installments of principal and accrued interest begin January 26, 2026. For every $10 million principal, installments are approximately $0.64 million for the first 12 months, $0.84 million for the 13th month, and $1.44 million at maturity.
- Waiver Condition: No installment is due if the daily VWAP exceeds the Fixed Price ($7.53) by at least 15% for five consecutive prior trading days.
- Payment Options: The Company may pay cash (plus a 7% premium), allow conversion at a discounted price, or use a combination.
- Amortization Event: If specific negative triggers occur (e.g., stock price below floor price for 5 of 7 days), monthly installments increase to the greater of the scheduled amount or 20% of outstanding principal, and the cash premium increases to 10%.
- Ownership Caps: Investor conversion is capped at 19.99% of outstanding stock (Exchange Cap) and 4.99% beneficial ownership.
Outlook, Risks, and Contingencies
- Liquidity Risk: The Company faces mandatory monthly cash outflows starting January 2026 unless stock price performance triggers a waiver or conversion is elected.
- Dilution Risk: Conversion at $7.53 per share or lower (via the 97% VWAP discount option) will result in equity dilution.
- Default Risk: Interest rates double to 18% upon an uncured event of default.
- Redemption: The Company may redeem debentures for cash if VWAP is below the Fixed Price (subject to premium) or at 110% of principal in a change of control.
- Regulatory Status: Securities were sold in a private placement under Section 4(a)(2) and Rule 506; not registered under the Securities Act of 1933.
Investor Verification Checklist
- Verify the Company's current cash position and ability to meet the first mandatory installment due January 26, 2026.
- Monitor the daily VWAP relative to the $7.53 Fixed Price to assess the likelihood of installment waivers or forced conversions.
- Review the full text of the Securities Purchase Agreement (Exhibit 10.1) for detailed definitions of "Amortization Events" and "Floor Price."
- Confirm the total outstanding principal ($50.0 million) and the impact of the 7% issuance discount on net proceeds.
- Check for any subsequent filings regarding stockholder approval to exceed the 19.99% Exchange Cap.