Sec Form 4 Filing - van Gaalen Johannes Cornelis Maria @ Energy Vault Holdings, Inc. - 2023-01-10

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person van Gaalen Johannes Cornelis Maria 2. Issuer Name and Ticker or Trading Symbol Energy Vault Holdings, Inc. [ NRGV] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Chief Financial Officer (Last) (First) (Middle) 4360 PARK TERRACE DRIVE, SUITE 100 3. Date of Earliest Transaction (MM/DD/YY) 01/10/2023 (Street) WESTLAKE VILLAGE, CA91361 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Restricted Stock Units ( 1 ) 01/10/2023 A 250,000 ( 2 ) ( 1 ) Common Stock 250,000 $ 0 250,000 D Restricted Stock Units ( 1 ) 01/10/2023 A 350,000 ( 3 ) ( 1 ) Common Stock 350,000 $ 0 350,000 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other van Gaalen Johannes Cornelis Maria 4360 PARK TERRACE DRIVE, SUITE 100 WESTLAKE VILLAGE, CA91361 Chief Financial Officer Signatures /s/ Timothy Maloche, Attorney-in-Fact 01/12/2023 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The Reporting Person received Restricted Stock Units ("RSUs") that represent a contingent right to receive one share of Common Stock for each RSU upon the satisfactionof applicable vesting conditions. The RSUs do not expire. ( 2 )The RSUs vest as to 25% of the underlying shares on November 30, 2023, and as to the remaining of the underlying shares in 12 substantially similar quarterlyinstallments thereafter. ( 3 )The RSUs will vest as to 33% of the underlying shares upon the achievement of each of the Issuer's share price achieving a daily closing trading price at or above$11.00, $13.00, and $15.00 per share for 20 trading days within any 30 trading day period during the period beginning on November 30, 2023 and ending onNovember 30, 2026.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

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