Energy Vault Holdings, Inc. filings document material events, operating results, financing activity, governance matters and capital-structure disclosures for a New York Stock Exchange-listed energy storage company. Its Form 8-K reports include quarterly and annual financial results, investor presentation disclosures, material agreements, direct financial obligations and transactions involving convertible senior notes, capped call arrangements and related balance-sheet actions.
The company’s proxy materials cover annual-meeting voting, board governance and stockholder matters. Its filings also identify NRGV common stock, par value $0.0001 per share, as the registered equity security and disclose the company’s emerging growth company status, along with formal exhibits and Regulation FD materials tied to supplemental financial and operational information.
Energy Vault Holdings, Inc. is registering up to 33,251,333 shares of common stock for resale by YA II PN, Ltd., issuable upon conversion of senior unsecured convertible debentures. The company agreed to issue up to $50.0 million in debentures in two tranches and an additional $15.0 million third tranche, all bearing 7% annual interest and maturing in 2027. Installments of principal and interest are payable monthly, either in cash with a payment premium or in shares converted at the lower of fixed prices of $4.50, $7.53 or $7.41 per share, or 97% of recent trading prices, but not below a $0.60 floor. Conversions are capped at 19.99% of shares outstanding as of the initial closing date and a 4.99% beneficial ownership limit. Energy Vault will not receive proceeds from any resale of these shares, though prior debenture proceeds are intended for working capital and energy storage project development and construction.
A shareholder of NRGV has filed a Rule 144 notice to sell 3,000,000 shares of common stock through Citigroup Global Markets Inc. on or about January 15, 2026 on the NYSE. The filing lists an aggregate market value of $18,090,000 for these shares and notes that 167,790,003 shares of the issuer’s common stock were outstanding. The securities to be sold were originally obtained when preferred stock automatically converted in connection with the issuer’s business combination between July 2019 and September 2021, and through a 2,500,000‑share PIPE investment on February 11, 2022, both paid in cash.
Energy Vault Holdings, Inc. is registering up to 33,251,333 shares of common stock for resale by YA II PN, Ltd. These shares may be issued upon conversion of senior unsecured convertible debentures that were sold in three tranches totaling $50.0 million in principal, with purchase amounts of $29.1 million, $19.4 million and $14.7 million. The debentures bear 7% annual interest, mature between March 22, 2027 and August 30, 2027, and are convertible at the lower of fixed prices of $4.50, $7.53 or $7.41 per share for each tranche or 97% of recent VWAP, but not below a $0.60 floor. Conversion is capped at 33,251,333 shares, or 19.99% of common stock outstanding as of the initial closing, and is further limited by a 4.99% beneficial ownership cap. Energy Vault will not receive proceeds from any resale of these shares but has already received the debenture purchase amounts and will cover certain offering expenses.
Energy Vault Holdings, Inc. reported that its cash and liquidity grew by approximately 65% during the fourth quarter of 2025 to over $100 million, which was above the high end of its guidance range. This indicates a significantly stronger short-term funding position than the company had previously forecast.
The company also announced the start of construction of the SOSA Energy Center, a 150 MW/300 MWh battery energy storage system in Madison County, Texas, and provided updates on its Asset Vault portfolio. Together, the liquidity improvement and new project highlight both stronger finances and continued development activity in its energy storage business.
Energy Vault Holdings, Inc. entered into an amendment to its existing Securities Purchase Agreement with YA II PN, Ltd., adding a third closing for an additional $15.0 million of senior unsecured convertible debentures. These new debentures were issued at 98% of principal, bear 7% annual interest (rising to 18% during an uncured event of default), and mature on August 30, 2027. The initial conversion price is $7.41 per share, equal to 150% of the Bloomberg VWAP on December 29, 2025, with a formula-based adjustment for installment conversions and a floor price of $0.60 per share. Installment payments of principal and interest begin on January 26, 2026, with mechanics that can increase required installments and payment premiums upon defined Amortization Events. Conversions are limited by a 19.99% exchange cap and a 4.99% beneficial ownership cap. Net proceeds are intended for working capital and to support development, construction, and investment in energy storage projects. The debentures were sold in a private placement relying on Section 4(a)(2) and Rule 506 of Regulation D.
Energy Vault Holdings, Inc. is registering up to 4,500,000 shares of common stock for resale by Dorado Goose LLC, the selling stockholder. These shares are issuable upon exercise of outstanding warrants issued on August 18, 2025 in a private placement, in four tranches of 500,000, 1,000,000, 1,000,000 and 2,000,000 warrants with exercise prices of $1.50, $2.00, $2.50 and $3.00 per share, respectively, exercisable until August 18, 2027 and eligible for cashless exercise.
The company will not receive proceeds from any resale of shares by Dorado Goose LLC, but will receive the exercise price in cash if the warrants are exercised for cash. As of November 7, 2025, 167,790,003 shares of common stock were outstanding. The prospectus describes Energy Vault’s grid-scale energy storage business, its status as an emerging growth and smaller reporting company, and incorporates detailed risk factors from its 2024 Form 10-K and subsequent SEC reports.
Energy Vault Holdings, Inc. Chief Financial Officer trades company stock. On 12/23/2025, the CFO reported selling 50,000 shares of Energy Vault Holdings, Inc. common stock at a weighted average price of $4.9108 per share, with actual sale prices ranging from $4.660 to $5.110. After this sale, the officer reported beneficial ownership of 1,150,522 shares, held directly.
A shareholder has filed a notice of proposed sale of 50,000 shares of common stock under Rule 144. The shares are to be sold through Fidelity Brokerage Services LLC on the NYSE, with an indicated aggregate market value of $230,000.00. The filing notes that there are 167,790,003 shares of this class outstanding. The securities were acquired on 07/17/2025 through restricted stock vesting from the issuer as compensation, with full payment also dated 07/17/2025.