Energy Vault (NRGV) Director Increases Stake by 5,000 Shares

Rhea-AI Filing Summary

Energy Vault Holdings director Theresa M. Fariello reported a personal purchase of 5,000 shares of Energy Vault Holdings, Inc. (NRGV) on 08/26/2025 at a price of $1.705 per share. After the transaction she beneficially owns 158,950 shares, held directly. The Form 4 is signed on behalf of the reporting person by the company CFO, Michael Beer, on 08/27/2025. No derivative transactions or other changes in ownership are reported in this filing.

Insights

Financial Analyst

TL;DR: A small, direct insider purchase of 5,000 shares increases holdings to 158,950 shares; transaction size appears modest relative to public-company scale.

The reported purchase at $1.705 per share is a straightforward open-market acquisition recorded under Section 16. The filing shows no disposals or derivative activity, leaving the director's overall direct stake unchanged except for the incremental increase. The absence of additional transactions or plan-based trading indicates this was a single discretionary buy rather than a systematic program.

Corporate Governance Expert

TL;DR: Director filing is compliant and timely; transaction is routine and does not signal material governance change.

The Form 4 properly discloses the director as the reporting person and records the acquisition, price, and resulting beneficial ownership. The signature by the CFO is present. There are no indications of related-party arrangements, option exercises, or 10b5-1 plan disclosures in this filing. From a governance and disclosure standpoint, the document is complete for the single non-derivative purchase reported.

Insider Trade Summary

Net Buyer: 5,000 shares ($8,525)

Net Buy 1 txn

Insider Fariello Theresa M

Role Director

Bought 5,000 shs ($9K)

Type	Security	Shares	Price	Value
Purchase	Common Stock	5,000	$1.705	$9K

Holdings After Transaction: Common Stock — 158,950 shares (Direct)

Footnotes (1)

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Form 4 Insider Transactions: What Each Field Means →

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

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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^*

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)
08/26/2025

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	08/26/2025		P		5,000	A(1)	$1.705	158,950	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. The shares are purchased in one transaction at a price given in Column 4.

Remarks:

	/s/ Michael Beer, Chief Financial Officer	08/27/2025
	** 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 the NRGV Form 4 report for Theresa M. Fariello?

The Form 4 reports a direct purchase of 5,000 common shares on 08/26/2025 at $1.705 per share.

How many NRGV shares does Theresa M. Fariello beneficially own after the purchase?

After the reported transaction she beneficially owns 158,950 shares, held directly.

Does the Form 4 include any derivative transactions or dispositions?

No. The filing lists only the non-derivative purchase and shows no derivative securities acquired or disposed of and no disposals of common stock.

Who signed the Form 4 filing for NRGV and when?

The Form 4 bears the signature line of Michael Beer, Chief Financial Officer, dated 08/27/2025.

Was the purchase disclosed as part of a trading plan under Rule 10b5-1?

The filing does not indicate that the transaction was made pursuant to a Rule 10b5-1 trading plan.