UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the

Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): February 11, 2026

Energy Vault Holdings, Inc.

(Exact name of registrant as specified in its charter)

Delaware	001-39982	85-3230987
(State or other jurisdiction	(Commission	(IRS Employer
of incorporation)	File Number)	Identification No.)

4165 East Thousand Oaks Blvd., Suite 100 Westlake Village, California		91362
(Address of principal executive offices)		(Zip Code)

Registrant’s telephone number, including area code: (805) 852-0000

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class		Trading symbol		Name of each exchange on which registered
Common Stock, par value $0.0001 per share		NRGV		New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2).

Emerging growth company x

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ¨

Item 8.01 Other Events.

On February 11, 2026, Energy Vault Holdings, Inc. (the “Company”) issued a press release announcing a strategic framework agreement with Crusoe. A copy of the press release is filed as Exhibit 99.1 hereto.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits:

Exhibit No.		Description
99.1		Press Release dated as of February 11, 2026
104		Cover page from this Current Report on Form 8-K, formatted in Inline XBRL

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

		ENERGY VAULT HOLDINGS, INC.

Date: February 11, 2026	By:	/s/ Brad Eastman
		Name: Brad Eastman
		Chief Legal Officer

Energy Vault Holdings, Inc. 8-K