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Energy Vault Holdings, Inc.

For the period ended Jun 30, 2026. Filed Aug 11, 2026.

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About this filing

A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Jun 30, 2026 · Filed Aug 11, 2026

NRGV$3.62+11.7%Stored close · as of Nov 9, 2026

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Item 6. Exhibits

ExhibitNumber · Incorporated by Reference
Description of Document · Schedule/Form · File Number · Exhibit Number · Filing Date
3.1Amended and Restated Bylaws of Energy Vault Holdings, Inc.8-K001-399823.1February 14, 2022
3.2Amended and Restated Certificate of Incorporation of Energy Vault Holdings, Inc.8-K001-399823.2February 14, 2022
4.1**†Form of Amended and Restated AR Convertible Debenture, dated June 29, 2026, by and between Energy Vault Holdings, Inc. and YA II PN, LTD.8-K001-399824.1July 1, 2026
10.1†First Amendment to Securities Purchase Agreement, dated June 29, 2026, by and between Energy Vault Holdings, Inc. and YA II PN, LTD.8-K001-3998210.1July 1, 2026
10.2†#Consent, Waiver and Amendment No. 2 to Note Purchase Agreement, dated June 26, 2026, by and among Calistoga Resiliency Center, LLC, Wilmington Trust, National Association, as collateral agent, and the holders party thereto8-K001-3998210.2July 1, 2026
10.3†#Consent and Waiver to Credit Agreement, dated June 29, 2026, by and among Cross Trails Energy Storage Project, LLC, Wilmington Trust, National Association, as administrative agent and collateral agent, and the lenders party8-K001-3998210.3July 1, 2026
10.4†#**Amendment No. 1 to Note Purchase Agreement, dated August 4, 2025, by and between by and among Calistoga Resiliency Center, LLC, Wilmington Trust, National Association, as collateral agent, and the holders party thereto
10.5†Sales Agreement, dated November 12, 2024, between Jefferies LLC and Energy Vault Holdings, Inc.10-Q001-399821.1November 12, 2024
10.6#**Offer Letter, dated as of July 14, 2026, by and between Nitin Dahiya and Energy Vault Holdings, Inc.
10.7#**2026 Form of Stock Option Grant Notice and Stock Option Agreement under the 2022 Equity Incentive Plan
31.1**Certification of Principal Executive Officer required under Rule 13a-14(a) and 15d-14(a) of the Securities Exchange Act of 1934, as amended
31.2**Certification of Chief Financial Officer required under Rule 13a-14(a) and 15d-14(a) of the Securities Exchange Act of 1934, as amended
32.1**^Certification of Principal Executive Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
32.2**^Certification of Chief Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
101.INS**XBRL Instance Document
101.CAL**XBRL Taxonomy Extension Calculation Linkbase Document
101.SCH**XBRL Taxonomy Extension Schema Document
ExhibitNumberIncorporated by Reference
Description of DocumentSchedule/FormFile NumberExhibit NumberFiling Date
101.DEF**XBRL Taxonomy Extension Definition Linkbase Document
101.LAB**XBRL Taxonomy Extension Labels Linkbase Document
101.PRE**XBRL Taxonomy Extension Presentation Linkbase Document
104**Cover Page Interactive Data File (formatted as inline XBRL and contained in Exhibit 101)

** Filed herewith

^ The certifications attached as Exhibit 32.1 and 32.2 that accompany this Quarterly Report on Form 10-Q are not deemed filed with the Securities and Exchange Commission and are not to be incorporated by reference into any filings of Energy Vault Holdings, Inc. under the Securities Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended, whether made before or after the date of this Quarterly Report on Form 10-Q, irrespective of any general incorporation language contained in such filing.

†Pursuant to Item 601(a)(5) of Regulation S-K, certain schedules and similar attachments have been omitted. The registrant hereby agrees to furnish a copy of any omitted schedule or similar attachment to the Securities and Exchange Commission upon request.

Pursuant to Item 601(b)(10)(iv) of Regulation S-K promulgated by the Securities and Exchange Commission, certain portions of this exhibit have been redacted because the Company customarily and actually treats such omitted information as private or confidential and because such omitted information is not material.

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