Current Report · Items 2.02, 9.01 · 8-K

Energy Vault Holdings, Inc.

NRGVNYSEEQUITYCurrent

Results of Operations and Financial Condition

Filed Aug 11, 2026Accepted Aug 11, 2026, 4:07 PM EDTCIK 1828536Accession 0001828536-26-000100

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, enabling reliability,

Current securities

NRGVNYSE · EQUITY · Current

Historical securities (4)

NRGV.WSNYSE · WARRANT · Historical · closed Aug 3, 2022 NXUNYSE · EQUITY · Historical · closed Feb 14, 2022 NXU.UNNYSE · UNIT · Historical · closed Feb 11, 2022 NXU.WSNYSE · WARRANT · Historical · closed Feb 11, 2022

Recent company filings

Disclosure sections

Items 2.02, 9.01

Select an item to read the extracted section. The as-filed document remains the primary evidence.

Item 2.02Item 2.02 - Results of Operations

Item 2.02 Results of Operations and Financial Condition. On August 11, 2026, Energy Vault Holdings, Inc. (the “Company”) issued a press release announcing its financial results for the quarter ended June 30, 2026. A copy of the press release is furnished herewith as Exhibit 99.1 and is incorporated herein by reference. The press release contains forward-looking statements regarding the Company, and includes cautionary statements identifying important factors that could cause actual results to differ materially from those anticipated. The information in this Current Report on Form 8-K and Exhibit 99.1 is being furnished pursuant to Item 2.02 of Form 8-K and shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing made by the Company under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

Filed exhibits (1)

EX-99.1 (by filename) ex991_evpressreleasex2026q2.htm

EX-99.1 2 ex991_evpressreleasex2026q2.htm EX-99.1 Document Exhibit 99.1 Energy Vault Reports Second Quarter 2026 Financial Results and Raises Full-Year 2026 Revenue and Gross Margin Guidance Contract Backlog expanded $650 million to $2 billion sequentially, up 47% q/q and 107% y/y driven by strong demand from the AI Compute Infrastructure segment Revenue of $17.4 million, up 104% y/y, above consensus GAAP gross margins of 31% to $5.4 million, up 114% y/y expanding 140 bps; Adjusted Gross Margin of 38.6% to $6.7 million, up 166% y/y expanding 900 bps Global MW under operation, construction and RTB grew ~900 MW y/y to ~1.1 GW, up 476%, on track to deliver initial $180 million of recurring, annual EBITDA over the next 18-36 months Cash grew 26% q/q to $148 million, the 6th consecutive quarterly increase, a 155% y/y or ~$90 million Executed contract for 1.25 GW of integrated power, storage and software infrastructure to support hyperscaler contracts in Texas, expected to generate near-term revenue of $500-600 million in 2H 2026 and 2027 Raising full-year 2026 revenue guidance to $270-310 million and lifting GAAP gross margin guidance to 20-25% to the high end of the range …

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