Insider · CIK 0001725272
Thomas R Ertel
Files at NRGV (Energy Vault Holdings, Inc.). First filing Aug 12, 2025, latest Mar 5, 2026.
Thomas R Ertel files SEC Form 4 as director at NRGV (Energy Vault Holdings, Inc.). Since Aug 12, 2025, Thomas R Ertel has reported 3 open-market buys worth $58k and 0 open-market sells worth $0, the latest filed on Mar 5, 2026.
A track record needs three past buys with six months of prices behind them; Thomas R Ertel has 0, so none is measured yet.
The newest scored trade: bought $18k of NRGV on Mar 4, 2026, filed Mar 5, 2026, scored 38 (weak). In the last 12 months: 1 buy worth $18k and 0 sells worth $0.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
NRGV: Energy Vault Holdings, Inc.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 38Weak | Energy Vault Holdings, Inc. | $18k 5,450 shares | +2% | +432% from low-45% from high | |
| 42Moderate | Energy Vault Holdings, Inc. | $20k 11,200 shares | +6% | +202% from low-25% from high | |
| 41Moderate | Energy Vault Holdings, Inc. | $19k 13,300 shares | +8% | +125% from low-44% from high |
Transactions
Every row this insider has filed, 5 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| May 29, 2026 | NRGV Energy Vault Holdings, Inc. | AGrant or award Common Stock | +22,026 | $0.00 | $0 | 387,814 | Jun 1, 2026 |
| Mar 4, 2026 | NRGV Energy Vault Holdings, Inc. | POpen-market purchase Common Stock | +5,450 | $3.37 | $18k | 365,788 | Mar 5, 2026 |
| Sep 16, 2025 | NRGV Energy Vault Holdings, Inc. | AGrant or award Common Stock | +161,132 | $0.00 | $0 | 360,338 | Sep 18, 2025 |
| Aug 28, 2025 | NRGV Energy Vault Holdings, Inc. | POpen-market purchase Common Stock | +11,200 | $1.81 | $20k | 199,206 | Aug 28, 2025 |
| Aug 11, 2025 | NRGV Energy Vault Holdings, Inc. | POpen-market purchase Common Stock | +13,300 | $1.44 | $19k | 188,006 | Aug 12, 2025 |
Questions about Thomas R Ertel
Answered from the filings on this page, as of the latest one.
Is Thomas R Ertel buying or selling?
In the last 12 months Thomas R Ertel reported 1 open-market buy worth $18k and 0 open-market sells worth $0 on SEC Form 4; the latest was bought $18k of NRGV on Mar 4, 2026. Grants, option exercises and tax withholding are not counted.
How did Thomas R Ertel's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Thomas R Ertel has 0.
Where does Thomas R Ertel file Form 4?
Thomas R Ertel has filed Form 4 at NRGV (Energy Vault Holdings, Inc.). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.