Energy Vault (NRGV) president has 6,808 shares withheld for taxes

Rhea-AI Filing Summary

Energy Vault Holdings, Inc. officer Christopher Wiese, President of Energy Vault Labs, reported a routine share withholding related to equity compensation. On January 22, 2026, 6,808 shares of common stock were withheld at $4.61 per share to cover his tax liability upon the vesting of restricted stock units. After this transaction, he directly beneficially owned 1,128,960 shares of Energy Vault common stock.

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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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)
01/22/2026

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	01/22/2026		F		6,808(1)	D	$4.61	1,128,960	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/ Brad Eastman, Chief Legal Officer	01/23/2026
	** 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What did Energy Vault (NRGV) insider Christopher Wiese report on this Form 4?

Christopher Wiese, President of Energy Vault Labs, reported that 6,808 shares of Energy Vault common stock were withheld on January 22, 2026 to satisfy his tax liability from vesting restricted stock units.

What does transaction code "F" mean in the Energy Vault (NRGV) Form 4 filing?

Transaction code "F" indicates shares were withheld by the issuer to satisfy the reporting person’s tax obligations upon the vesting of equity awards, rather than an open-market buy or sell.

How many Energy Vault (NRGV) shares were withheld for taxes from Christopher Wiese?

The filing shows that 6,808 shares of Energy Vault common stock were withheld at a price of $4.61 per share to cover Christopher Wiese’s tax liability.

How many Energy Vault (NRGV) shares does Christopher Wiese own after this transaction?

Following the reported withholding transaction, Christopher Wiese beneficially owned 1,128,960 shares of Energy Vault common stock in direct ownership form.

Was this Energy Vault (NRGV) Form 4 a market sale by the insider?

No. According to the footnote, the 6,808 shares were withheld by the issuer to pay taxes on vested restricted stock units, rather than sold into the open market.

What is the role of Christopher Wiese at Energy Vault (NRGV)?

Christopher Wiese is an officer of Energy Vault Holdings, Inc., serving as President, Energy Vault Labs, as disclosed in the Form 4.