Thomas R. Ertel

CIK: 0001725272

Transaction Breakdown

Open Market Buys (P)3 (60.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)2 (40.0%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

NRGV

Energy Vault Holdings, Inc.

Director

Discretionary Trading P&L

Holdings

Transaction History (5 total)

NRGV
Energy Vault Holdings, Inc.
May 29, 2026
Award(A)
Direct
22K shares-
NRGV
Energy Vault Holdings, Inc.
Mar 4, 2026
Purchase(P)
Direct
5.5K shares at avg. $3.37$18K
NRGV
Energy Vault Holdings, Inc.
Sep 16, 2025
Award(A)
Direct
161.1K shares-
NRGV
Energy Vault Holdings, Inc.
Aug 28, 2025
Purchase(P)
Direct
11.2K shares at avg. $1.81$20K
NRGV
Energy Vault Holdings, Inc.
Aug 11, 2025
Purchase(P)
Direct
13.3K shares at avg. $1.44$19K

		Type	Shares	Price		Ownership
May 29, 2026	NRGV Energy Vault Holdings, Inc.	Award(A)	22,026	-	$0	Direct
Mar 4, 2026	NRGV Energy Vault Holdings, Inc.	Purchase(P)	5,450	$3.37	$18,366	Direct
Sep 16, 2025	NRGV Energy Vault Holdings, Inc.	Award(A)	161,132	-	-	Direct
Aug 28, 2025	NRGV Energy Vault Holdings, Inc.	Purchase(P)	11,200	$1.81	$20,229	Direct
Aug 11, 2025	NRGV Energy Vault Holdings, Inc.	Purchase(P)	13,300	$1.44	$19,151	Direct

1-5 of 5 transactions

About Ertel Thomas R

Ertel Thomas R (SEC CIK 0001725272) files insider reports with the SEC as Director of Energy Vault Holdings, Inc. (NRGV).

Signal8 holds 5 ownership filings by Ertel Thomas R, all Form 4s, filed between Aug 12, 2025 and Jun 1, 2026. Those filings report 5 transactions, from Aug 11, 2025 to May 29, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Ertel Thomas R's filings is in WESTLAKE VILLAGE, CA.

Recent filings by Ertel Thomas R

May 29, 2026: Grant or award of NRGV shares (Form 4, code A).
Mar 4, 2026: Open-market purchase of NRGV shares (Form 4, code P).
Sep 16, 2025: Grant or award of NRGV shares (Form 4, code A).
Aug 28, 2025: Open-market purchase of NRGV shares (Form 4, code P).
Aug 11, 2025: Open-market purchase of NRGV shares (Form 4, code P).

Other insiders filing for Energy Vault Holdings, Inc. (NRGV)

Piconi Robert, Chief Executive Officer
Ladwa Akshay, Chief Operations Officer
Unwin Stephanie, Director
Hixon Dylan, Director
Dahiya Nitin, Chief Financial Officer
Beer Michael Thomas, Chief Financial Officer

How to read Form 4 transaction codes