Energy Vault (NRGV) COO buys 4,000 shares in open market

Rhea-AI Filing Summary

Energy Vault Holdings, Inc. Chief Operations Officer Akshay Ladwa bought 4,000 shares of common stock in an open-market purchase at $3.085 per share on March 2, 2026. After this transaction, his directly held stake increased to 1,824,384 common shares.

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

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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).

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^*

Ladwa Akshay

(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)
	Chief Operations Officer

3. Date of Earliest Transaction (Month/Day/Year)
03/02/2026

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	03/02/2026		P		4,000	A	$3.085(1)	1,824,384	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	03/04/2026
	** 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 (NRGV) report for Akshay Ladwa?

Energy Vault reported that Chief Operations Officer Akshay Ladwa bought 4,000 shares of common stock. The Form 4 shows this was an open-market purchase, increasing his directly held position to 1,824,384 shares following the transaction.

How many Energy Vault (NRGV) shares did the COO purchase and at what price?

Chief Operations Officer Akshay Ladwa purchased 4,000 Energy Vault common shares at $3.085 per share. The transaction was reported as an open-market or private purchase under code “P” on the Form 4 insider trading report.

What is Akshay Ladwa’s Energy Vault (NRGV) shareholding after this Form 4 trade?

After the reported trade, Akshay Ladwa directly owns 1,824,384 shares of Energy Vault common stock. The Form 4 explicitly lists this figure as the total number of shares beneficially owned following the 4,000‑share open-market purchase.

Was the Energy Vault (NRGV) COO trade a buy or a sell?

The transaction was a buy. The Form 4 classifies it as an open-market purchase, with transaction code “P” and a transaction direction of “buy,” covering 4,000 common shares at a price of $3.085 per share.

What type of security did the Energy Vault (NRGV) insider trade involve?

The insider trade involved Energy Vault common stock. The Form 4 lists the security title as “Common Stock,” with 4,000 shares purchased in one transaction and total directly owned common shares rising to 1,824,384 after the trade.