[Form 4] Energy Vault Holdings, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Energy Vault Holdings insider Christopher Wiese, listed as President, Energy Vault Labs, reported a routine transaction on 09/04/2025. The filing shows 2,639 shares of common stock were disposed via Code F at a price of $1.135 per share; the form explains these shares were withheld by the issuer to satisfy the reporting person’s tax liability on the vesting of restricted stock units. After the withholding, Mr. Wiese beneficially owns 1,161,499 shares of Energy Vault (NRGV). The Form 4 was signed by the company’s CFO on 09/05/2025.

Insights

Securities Analyst

TL;DR: Routine tax-withholding sale on RSU vesting; immaterial to company valuation.

The transaction is a common post-vesting action where the issuer withholds shares to satisfy tax obligations rather than the insider selling shares on the open market. The size—2,639 shares at $1.135—is small relative to the remaining 1,161,499 shares beneficially owned, indicating no substantive change in insider ownership or control. No new derivative activity or additional dispositions are reported.

Corporate Governance Expert

TL;DR: Disclosure aligns with Section 16 reporting; shows routine compliance with tax withholding on RSUs.

The Form 4 appropriately discloses the withholding method used to cover tax liabilities on vested restricted stock units. This practice is standard and does not reflect an intentional liquidity event by the reporting person. Documentation appears complete: transaction date, code, shares withheld, price per share, and post-transaction beneficial ownership are reported.

SEC Form 4

FORM 4

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
or Section 30(h) of the Investment Company Act of 1940

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OMB Number:			3235-0287
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Wiese Christopher

(Last) (First) (Middle)

4165 EAST THOUSAND OAKS BLVD,

SUITE 100,

(Street)

WESTLAKE VILLAGE CA 91362

(City) (State) (Zip)

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)
	President, Energy Vault Labs

3. Date of Earliest Transaction (Month/Day/Year)
09/04/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	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
Common Stock	09/04/2025		F		2,639(1)	D	$1.135	1,161,499	D

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 (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	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 (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (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: 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

Explanation of Responses:

1. Represents shares withheld by the Issuer to satisfy the reporting person's tax liability on vesting of restricted stock units.

Remarks:

	/s/ Michael Beer, Chief Financial Officer	09/05/2025
	** Signature of Reporting Person	Date
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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