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

Rhea-AI Filing Summary

Insider purchase recorded for Energy Vault Holdings, Inc. (NRGV). On 08/21/2025 an officer, Christopher Wiese (President, Energy Vault Labs), purchased 6,200 shares of the issuer's common stock at $1.59 per share. After this transaction he beneficially owned 1,164,138 shares. The Form 4 indicates the purchase was a single transaction and was reported on the same filing. The form is signed on behalf of the reporting person by the company Chief Legal Officer.

Positive

• Insider purchase disclosed: 6,200 shares acquired on 08/21/2025
• Transaction price provided: $1.59 per share
• Post-transaction ownership reported: 1,164,138 shares beneficially owned
• Form properly executed: Signed by Chief Legal Officer on 08/21/2025

Negative

• None.

Insights

Financial Analyst

TL;DR: Officer-level insider made a small open-market purchase of 6,200 shares at $1.59, increasing beneficial ownership to 1,164,138 shares.

This Form 4 documents a routine non-derivative acquisition by an officer. The disclosure provides concrete amounts and price, allowing investors to see transaction size and resulting holdings. The filing contains no information about the source of funds, intent, or any derivative activity. It is a straightforward record of insider activity without additional corporate context in the filing.

Corporate Governance Expert

TL;DR: The transaction is a standard Section 16 disclosure: an officer purchased common stock and the Form 4 reports required details.

The filing identifies the reporting person, role, transaction date, number of shares acquired, price per share, and post-transaction beneficial ownership. It is properly executed and signed by the Chief Legal Officer. The document does not include any 10b5-1 plan designation or other explanatory statements beyond a single-transaction remark.

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^*

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)
08/21/2025

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	08/21/2025		P		6,200	A(1)	$1.59	1,164,138	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/ Brad Eastman, Chief Legal Officer	08/21/2025
	** 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 transaction did Energy Vault Holdings (NRGV) report on 08/21/2025?

The Form 4 reports that officer Christopher Wiese purchased 6,200 shares of common stock on 08/21/2025 at $1.59 per share.

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

Following the reported purchase, the reporting person beneficially owns 1,164,138 shares.

What is the reporting person's role at Energy Vault Holdings (NRGV)?

The reporting person is listed as an Officer with the title President, Energy Vault Labs and is also identified as a Director on the form.

Was the transaction part of a 10b5-1 plan or designated as such in the filing?

The filing does not indicate that the transaction was made pursuant to a 10b5-1 plan; no 10b5-1 designation is provided in the content.

Who signed the Form 4 for this filing?

The form is signed by Brad Eastman, Chief Legal Officer and dated 08/21/2025.