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

Rhea-AI Filing Summary

Dylan Hixon, a director of Energy Vault Holdings, Inc. (NRGV), reported a purchase of company stock on 08/29/2025. The Form 4 shows Hixon acquired 20,000 shares of common stock in a single transaction at $1.9155 per share. After the transaction, Hixon is reported to beneficially own 900,065 shares indirectly through Arden Road Investments LLC. The filing explains Hixon is sole trustee of the Dylan Trust under the JMH-ICH Lex Trust, which holds shares in Arden Road Investments LLC, and he disclaims ownership except to the extent of his pecuniary interest. The Form 4 is signed/dated by the company CFO.

Positive

• Director purchase disclosed, indicating compliance with Section 16 reporting requirements
• Detailed beneficial ownership explanation clarifies trust and LLC structure, improving transparency

Negative

• None.

Insights

Securities Analyst

TL;DR: Director purchased 20,000 NRGV shares at $1.9155, increasing reported indirect holdings to 900,065 shares.

The transaction is a straightforward insider purchase by a director, recorded as indirect ownership through an investment vehicle. The per-share price and the single-transaction purchase size are disclosed, and the explanatory footnote clarifies trust and trustee relationships. For investors, director buys can signal alignment with shareholder value, but the filing contains no information on intent, future purchases, or timing beyond the trade date.

Corporate Governance Expert

TL;DR: Filing documents proper disclosure of beneficial ownership structure and a modest director purchase.

The Form 4 includes required detail about indirect beneficial ownership and a disclaimer by the reporting person, which is standard when trusts and LLCs are involved. The signature by the CFO and inclusion of explanatory notes satisfy procedural disclosure norms. There are no indications of departures from reporting requirements or material governance events in this filing.

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
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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^*

Hixon Dylan

(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)
08/29/2025

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	08/29/2025		P		20,000	A(1)	$1.9155	900,065	I	Held by Arden Road Investments LLC(2)

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. Shares are purchased in one transactions at a price given in Column 4.

2. Mr. Hixon is the sole trustee of the "Dylan Trust under the JMH-ICH Lex Trust" which holds shares in Arden Road Investments LLC. Mr. Hixon may be deemed to have beneficial ownership of the securities held by the Dylan Trust. Mr. Hixon disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein.

Remarks:

	/s/ Michael Beer, Chief Financial Officer	08/29/2025
	** 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 Dylan Hixon report for Energy Vault Holdings (NRGV)?

Hixon reported purchasing 20,000 shares of common stock on 08/29/2025 at $1.9155 per share.

How many NRGV shares does Dylan Hixon beneficially own after the reported trade?

900,065 shares are reported as beneficially owned following the transaction, held indirectly.

Through what vehicle are the reported NRGV shares held?

Shares are held by Arden Road Investments LLC, and Hixon is sole trustee of the Dylan Trust under the JMH-ICH Lex Trust, which holds interests in that LLC.

When was the Form 4 transaction dated and who signed the filing?

Transaction dated 08/29/2025 and the filing is signed/attested by Michael Beer, Chief Financial Officer, on 08/29/2025.

Does the Form 4 indicate Hixon claims direct ownership of all shares held by the trust?

No. The filing states Hixon disclaims beneficial ownership except to the extent of his pecuniary interest.