Energy Vault issues additional $15M in convertible debentures; conversion price $7.41

Energy Vault Holdings, Inc.

Additional $15M senior unsecured convertible debentures issued at 98% of principal, maturing Aug 30, 2027.
7% annual interest (18% upon default); conversion price $7.41 (150% of Dec 29, 2025 VWAP).
Monthly installment payments of ~$0.5M per $10M principal; optional cash or conversion at lower of fixed price or 97% of floor.
Amendment also restricts at-the-market equity program until all third tranche debentures repaid.
Proceeds for general working capital and energy storage project development.

Key facts

Extracted from this filing and checked against the source text.

Debt Financings SEC 8-K Item 2.03/2.04 confidence 0.9

Energy Vault Holdings, Inc. incurred convertible notes of aggregate principal amount of $15.0 million with YA II PN, Ltd. at 7% annual interest rate (18% during an uncured event of default) maturing August 30, 2027.

Instrument: convertible notes
Principal: aggregate principal amount of $15.0 million
Counterparty: YA II PN, Ltd.
Rate: 7% annual interest rate (18% during an uncured event of default)
Maturity: August 30, 2027
Event: incurrence

Exact text from the filing

(the “Company”) entered into a Securities Purchase Agreement (the “Purchase Agreement”) with YA II PN, Ltd. (the “Investor”), pursuant to which the Company agreed to issue and sell up to $50.0 million in aggregate principal amount of senior unsecured convertible debentures (the “Debentures”) in multiple tranches.

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Material Agreements SEC 8-K Item 1.01/1.02 confidence 0.7

Energy Vault Holdings, Inc. amended A&R Registration Rights Agreement with YA II PN, Ltd. (effective 2025-12-30).

Action: amendment
Counterparty: YA II PN, Ltd.
Effective: 2025-12-30

Exact text from the filing

on December 30, 2025, the Company and the Investor entered into an amendment and restatement of that certain registration rights agreement, by and among the Company and the Investor, dated September 22, 2025 (the “A&R Registration Rights Agreement”).

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Material Agreements SEC 8-K Item 1.01/1.02 confidence 0.9

Energy Vault Holdings, Inc. amended Amendment with YA II PN, Ltd. valued at $15.0 million (effective 2025-12-30).

Action: amendment
Agreement: equity purchase
Counterparty: YA II PN, Ltd.
Value: $15.0 million
Effective: 2025-12-30

Exact text from the filing

On December 30, 2025, the Company and the Investor entered into an amendment to the Purchase Agreement (the “Amendment”), pursuant to which the Company agreed to issue and sell an additional $15.0 million of Debentures to the Investor

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306 debt financings filed in the last 30 days. Browse all debt financings →

Energy Vault Holdings, Inc. filing history →

Source: SEC EDGAR

accession 0001828536-26-000001

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