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

Rhea-AI Filing Summary

Theresa M. Fariello, a director of Energy Vault Holdings, Inc. (NRGV), was granted 140,114 restricted stock units (RSUs) on 09/16/2025. Each RSU represents a contingent right to one share of common stock and the award was reported as having a $0 price. Following the grant, the reporting person beneficially owns 299,064 shares in total.

The RSUs vest subject to continued Board service after the first anniversary of the Vesting Commencement Date, which is May 30, 2025. The Form 4 was signed on 09/18/2025 by the company’s Chief Legal Officer on behalf of the reporting person.

Positive

• 140,114 RSUs were granted, increasing the reporting person's beneficial ownership to 299,064 shares
• The RSUs vest after the first anniversary of the Vesting Commencement Date (May 30, 2025), tying compensation to continued Board service
• Reported price $0 indicates a non-cash equity award rather than a purchased position

Negative

• None.

Insights

Corporate Governance Expert

TL;DR: Routine director equity grant increases insider ownership and aligns compensation with continued service.

The filing documents a standard equity award to a director: 140,114 RSUs that convert one-for-one to common shares and vest after the first anniversary of a May 30, 2025 vesting commencement date, contingent on continued Board service. The award is reported at a $0 price and raises the director's total beneficial ownership to 299,064 shares. This is a governance-level compensation action rather than an operational or capital event.

Securities Analyst

TL;DR: Non-cash RSU grant increases insider stake but contains no immediate cash proceeds or derivative exercises.

The Form 4 discloses a non-derivative equity grant rather than a purchase or sale: 140,114 RSUs granted on 09/16/2025 with a reported price of $0 and post-transaction beneficial ownership of 299,064 shares. Vesting is time-based tied to continued service after May 30, 2025. The filing contains no sales, option exercises, or other transactions that would affect liquidity or introduce cash flow from the insider's actions.

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

OMB APPROVAL

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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).

1. Name and Address of Reporting Person^*

Fariello Theresa M

(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)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
09/16/2025

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	09/16/2025		A		140,114(1)	A	$0	299,064	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. Reflects an award of restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of Common Stock. The RSUs vest (subject to the reporting person's continued service on the Board) after the first anniversary of the Vesting Commencement Date - May 30, 2025.

Remarks:

	/s/ Brad Eastman, Chief Legal Officer	09/18/2025
	** 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).
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 transaction did Theresa M. Fariello (NRGV) report on Form 4?

The Form 4 reports a grant of 140,114 restricted stock units (RSUs) on 09/16/2025.

How many shares does the reporting person beneficially own after the reported transaction?

Following the reported transaction the reporting person beneficially owns 299,064 shares.

When do the RSUs vest for the reported grant?

The RSUs vest subject to continued Board service after the first anniversary of the Vesting Commencement Date, which is May 30, 2025.

Was there any cash consideration reported for the RSU grant?

No cash consideration was reported; the transaction price is listed as $0.

When was the Form 4 signed and filed?

The Form 4 bears a signature dated 09/18/2025 executed by the company’s Chief Legal Officer on behalf of the reporting person.