Every material Form 8-K Energy Vault Holdings, Inc. has filed with the SEC since August 11, 2026, read and summarized by AI: what happened, the key figures, whether it reads positive or negative for shareholders, and how big a deal it is (impact 1-5). Newest first; each brief links to its own page and to the filing on SEC.gov.
Energy Vault's indirect subsidiary Development Vault, LLC signed an amended and restated financing agreement on September 18, 2026 for a senior secured delayed draw term loan with up to $25 million in commitments. The loans carry a 10.0% cash interest rate plus a 7.0% payment-in-kind deferred rate, and the filing says $18 million is outstanding and the facility matures April 16, 2030, with the loans secured by substantially all of the borrower's assets.
Facility commitments of up to $25,000,000, with $18 million outstanding as of the A&R Effective Date
Interest of 10.0% per annum payable in cash, plus a 7.0% per annum deferred rate payable in kind
Matures April 16, 2030; proceeds may fund battery energy storage project acquisitions, sponsor equity and project expenses
Secured by a first priority interest in substantially all assets of the borrower and subsidiary guarantors
On August 14, 2026, subsidiaries EV Gen Set 1, LLC and EV Gen Set I HoldCo, LLC entered into a senior secured term loan facility of approximately $137.5 million with CSC Delaware Trust Company as agent and a group of lenders. Loans are drawn in installments to pay for power generation equipment and installation services under an Equipment Supply Agreement, and the facility matures on January 2, 2028. For shareholders, this adds $137.5 million of secured debt, with interest rates set to rise after December 31, 2026.
Approximately $137.5 million senior secured term loan dated August 14, 2026, with CSC Delaware Trust Company as administrative and collateral agent
Interest of 6.75% on SOFR loans and 5.75% on ABR loans through December 31, 2026, rising to 7.50% and 6.50% thereafter
Facility matures January 2, 2028; borrower may prepay on three Business Days' notice, subject to accrued interest, breakage costs and a repayment premium
Loans are secured by a first priority interest in substantially all assets of the borrower and Holdings and guaranteed by Holdings; borrower must keep a debt service reserve covering three months of debt service
Energy Vault reported second-quarter 2026 revenue of $17.4 million, up 104% from a year earlier, and a GAAP net loss of $29.7 million, narrower than the $34.9 million loss in the prior-year quarter. The company raised its full-year 2026 revenue guidance to $270-310 million from $225-300 million and narrowed its GAAP gross margin guidance to 20-25% from 15-25%, which points to a stronger outlook for shareholders, though the company still reports losses and its adjusted EBITDA loss widened.
Q2 2026 revenue was $17.4 million, up from $8.5 million in Q2 2025, and GAAP gross margin was 31.0% versus 29.6%.
GAAP net loss was $29.7 million, or $(0.17) per share, compared with $34.9 million, or $(0.22) per share, a year earlier; adjusted EBITDA loss was $17.0 million versus $13.6 million.
Backlog reached about $2 billion as of August 10, 2026, up about 107% year over year, including a 1.25 GW contract expected to generate $500-600 million of revenue in the second half of 2026 and 2027.
Cash and cash equivalents, including restricted cash, were $148 million as of June 30, 2026; the company targets $160-200 million in total cash at year-end 2026.
Briefs are written by AI from the filing text and can contain mistakes — open the filing before acting on anything. Impact (1-5) and tone are the AI's reading of the filing for shareholders, not a price forecast. Not investment advice.
Only material 8-Ks get a brief: results, deals, executive changes, restructuring, impairments, delisting notices, restatements, cybersecurity incidents and other disclosed events. Routine filings (vote results, exhibits only) are skipped. Every Energy Vault Holdings, Inc. filing is on SEC EDGAR ↗. 8-K briefs of other companies →