Energy Vault director buys 5,000 company shares

Energy Vault Holdings, Inc. director Larry Paulson reported an open-market purchase of 5,000 shares of common stock on February 27, 2026 at an average price of $3.1452 per share.

Accepted by SEC EDGAR 03/02/2026 - 11:19 AM EST Learn about SEC filing dates

Rhea-AI Filing Summary

Energy Vault Holdings, Inc. director Larry Paulson reported an open-market purchase of 5,000 shares of common stock on February 27, 2026 at an average price of $3.1452 per share. Following this trade, he directly owned 501,768 common shares, and an additional 609,256 shares were held indirectly through a family trust.

Insider Trade Summary

Net Buyer: 5,000 shares

Net Buy 1 txn

Insider Paulson Larry

Role Director

Bought 5,000 shs ($16K)

Increase in Position 1.0%

Type	Security	Shares	Price	Value
Purchase	Common Stock	5,000	$3.1452	$16K
Holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 501,768 shares (Direct); Common Stock — 609,256 shares (Indirect, See Footnote)

Holdings Before and After: Common Stock, 496,768 to 501,768 shares (Direct)

Other Insiders: 1 other insider reported open-market purchases of this stock in the 30 days up to this filing.

Footnotes (2)

1. F1. The shares are purchased in one transaction at a price given in Column 4.
2. F2. The shares are owned directly by the Larry M and Gretchen V Paulson Family Trust dated September 4, 2019 and any amendments thereto (the "Trust"). Mr. Paulson is a trustee of the Trust. Mr. Paulson disclaims beneficial ownership of the securities held by the Trust except to the extent of his pecuniary interest therein.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did NRGV director Larry Paulson report?

Larry Paulson reported buying 5,000 Energy Vault (NRGV) common shares in the open market. The purchase occurred on February 27, 2026 at an average price of $3.1452 per share, as disclosed in a Form 4 insider trading report filed with regulators.

At what price did Larry Paulson buy NRGV stock?

He bought the NRGV shares at an average price of $3.1452 per share. This price reflects a single open-market transaction for 5,000 common shares completed on February 27, 2026, as detailed in the Form 4 insider ownership filing.

How many NRGV shares does Larry Paulson own after this transaction?

After the reported trade, Larry Paulson directly owned 501,768 NRGV common shares. A separate 609,256 shares were held indirectly by a family trust, for which he serves as trustee and disclaims beneficial ownership except to the extent of his pecuniary interest.

Was Larry Paulson’s NRGV trade a purchase or a sale?

The reported NRGV trade was a purchase of common stock, not a sale. Form 4 data classify the transaction as an open-market buy of 5,000 shares on February 27, 2026, with transaction code “P,” indicating a purchase in the open market.

How are Larry Paulson’s indirect NRGV holdings structured?

Indirect NRGV holdings are owned by the Larry M and Gretchen V Paulson Family Trust. The trust holds 609,256 shares, and Paulson is a trustee who disclaims beneficial ownership of these securities except for any pecuniary interest he may have in the trust.

What does the Form 4 footnote reveal about NRGV trust-held shares?

The footnote explains that 609,256 NRGV shares are held by the Paulson Family Trust. Larry Paulson serves as a trustee and formally disclaims beneficial ownership of the trust’s securities, other than to the extent of his economic, or pecuniary, interest in those shares.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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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^*

Paulson Larry

(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)
02/27/2026

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	02/27/2026		P		5,000	A	$3.1452(1)	501,768	D
Common Stock								609,256	I	See Footnote(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. The shares are owned directly by the Larry M and Gretchen V Paulson Family Trust dated September 4, 2019 and any amendments thereto (the "Trust"). Mr. Paulson is a trustee of the Trust. Mr. Paulson disclaims beneficial ownership of the securities held by the Trust except to the extent of his pecuniary interest therein.

Remarks:

	/s/ Michael Beer, Chief Financial Officer	03/02/2026
	** 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.