Tax withholding trims Energy Vault (NYSE: NRGV) COO share count

Rhea-AI Filing Summary

Energy Vault Holdings, Inc. reported that Chief Operations Officer Akshay Ladwa had 52,721 shares of common stock withheld by the company to cover tax obligations on the vesting of restricted stock units. This was a tax-related share withholding, not an open-market sale. After this transaction, Ladwa directly holds 2,088,615 shares of common stock.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Ladwa Akshay

Role Chief Operations Officer

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock	52,721	$4.71	$248K

Holdings After Transaction: Common Stock — 2,088,615 shares (Direct, null)

Footnotes (1)

1. [object Object]

Key Figures

Shares withheld for taxes: 52,721 shares Withholding reference price: $4.71 per share Shares held after transaction: 2,088,615 shares

3 metrics

Shares withheld for taxes 52,721 shares Tax-withholding disposition on RSU vesting

Withholding reference price $4.71 per share Price per share used in tax-withholding entry

Shares held after transaction 2,088,615 shares Direct common stock ownership following disposition

Key Terms

restricted stock units, tax-withholding disposition, Form 4, non-derivative

4 terms

restricted stock units financial

"tax liability on vesting of restricted stock units. Not a market sale."

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

tax-withholding disposition financial

"transaction_action": "tax-withholding disposition"

A tax-withholding disposition is an event or transaction—such as selling or transferring securities, exercising options, or receiving compensation—that triggers a requirement to hold back part of the payment and remit it to tax authorities. It matters to investors because it reduces the cash they receive immediately and can change the timing and amount of taxable income, like a cashier taking a portion of your sale proceeds to pay taxes before you get the rest.

Form 4 regulatory

"INSIDER FILING DATA (Form 4):"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

non-derivative financial

""transaction_type": "non-derivative""

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 07/02/2026 - 04:08 PM Accepted by SEC EDGAR 07/02/2026 - 04:06 PM Learn about SEC filing dates

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^*

Ladwa Akshay

(Last) (First) (Middle)

4165 EAST THOUSAND OAKS BLVD, SUITE 100

(Street)

WESTLAKE VILLAGE CALIFORNIA 91362

(City) (State) (Zip)

UNITED STATES

(Country)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/30/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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	06/30/2026		F		52,721(1)	D	$4.71	2,088,615	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. Represents shares withheld by the Issuer to satisfy the reporting person's tax liability on vesting of restricted stock units. Not a market sale.

Remarks:

	/s/ Amy Blakeway, Chief Legal Officer	07/02/2026
	** 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.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did Energy Vault (NRGV) report for Akshay Ladwa?

Energy Vault reported that COO Akshay Ladwa had 52,721 common shares withheld by the company to cover tax liabilities on vesting restricted stock units. This is a tax-withholding disposition rather than an open-market sale.

Was the NRGV COO’s Form 4 transaction an open-market sale of shares?

No, the Form 4 states the transaction was a tax-withholding disposition. 52,721 shares were withheld by Energy Vault to satisfy Akshay Ladwa’s tax liability on vesting restricted stock units, and the filing notes it was not a market sale.

How many Energy Vault (NRGV) shares were withheld for the COO’s taxes?

The filing shows that 52,721 shares of Energy Vault common stock were withheld. These shares covered Akshay Ladwa’s tax liability arising from the vesting of restricted stock units, according to the footnote description in the Form 4.

What is Akshay Ladwa’s Energy Vault shareholding after this Form 4 transaction?

After the tax-withholding transaction, Akshay Ladwa directly holds 2,088,615 shares of Energy Vault common stock. This post-transaction figure is disclosed in the Form 4 as the total shares following the disposition.

How does the Form 4 classify the NRGV COO’s transaction type?

The Form 4 classifies the transaction as a non-derivative disposition with code “F,” described as payment of tax liability by delivering securities. It is specifically identified as a tax-withholding disposition related to restricted stock unit vesting.