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

Rhea-AI Filing Summary

Energy Vault Holdings, Inc. (NRGV) reporting person Dylan Hixon, a company director, purchased 20,000 shares of common stock on 08/14/2025 at a price of $1.4956 per share. After the purchase, Mr. Hixon directly beneficially owned 220,000 shares.

In addition to his direct holdings, Mr. Hixon may be deemed to beneficially own 860,065 shares held indirectly through Arden Road Investments LLC via the Dylan Trust, where he serves as sole trustee; he disclaims beneficial ownership except to the extent of his pecuniary interest.

Positive

• Insider purchase disclosed: Reporting person acquired 20,000 shares at $1.4956 per share.
• Direct ownership increased to: 220,000 shares following the transaction.
• Indirect holdings disclosed: 860,065 shares held by Arden Road Investments LLC via the Dylan Trust.

Negative

• None.

Insights

Financial Analyst

TL;DR: Director purchase of 20,000 shares at $1.4956 increases his direct stake to 220,000 shares; indirect holdings remain substantial.

The Form 4 shows a routine, disclosed purchase by a director rather than a sale. The transaction size (20,000 shares) and price ($1.4956) are explicit. The director also has meaningful indirect exposure through Arden Road Investments LLC (860,065 shares) via the Dylan Trust. This filing provides clear ownership figures but no further context on timing, intent, or proportional ownership relative to outstanding shares, limiting assessment of market impact.

Corporate Governance Expert

TL;DR: Disclosure aligns with Section 16 requirements; trustee relationship creates indirect beneficial ownership disclosure.

The report properly identifies the reporting person as a director and discloses both direct and indirect beneficial ownership, including the trustee role for the Dylan Trust and the indirect holdings held by Arden Road Investments LLC. The filing includes the required purchase code (P) and price, and contains a standard disclaimer of beneficial ownership for trust-held shares. There are no indications of unusual derivative transactions or atypical reporting irregularities in the submitted content.

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^*

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)
08/14/2025

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	08/14/2025		P		20,000	A(1)	$1.4956	220,000	D
Common Stock								860,065	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. The shares are purchased in one transaction 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/ Brad Eastman, Chief Legal Officer	08/14/2025
	** 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 insider activity did Energy Vault (NRGV) report?

Director Dylan Hixon purchased 20,000 shares of common stock on 08/14/2025 at $1.4956 per share.

How many shares does Dylan Hixon directly and indirectly beneficially own in NRGV?

Following the purchase, Mr. Hixon directly owns 220,000 shares and may be deemed to indirectly own 860,065 shares held by Arden Road Investments LLC.

What is the nature of the indirect ownership disclosed?

Indirect ownership is held by Arden Road Investments LLC, of which the Dylan Trust is a holder; Mr. Hixon is sole trustee of the Dylan Trust and disclaims beneficial ownership except for his pecuniary interest.

What transaction code was used on the Form 4 filing for the purchase?

The filing uses transaction code P, indicating a purchase of shares.

Did the Form 4 report any derivative transactions for NRGV?

No derivative securities or option transactions are reported in Table II of the filing.