NRGV
Energy Vault Holdings, Inc. · Manufacturing · Market cap $463.7M
Insiders sold $266K net in the last 90 days ·2 sellers, 1 buyer· 1 of 2 sales under Rule 10b5-1 plans· latest Form 4 filed Aug 28, 2026
Insider Buying
$585K
reported purchases (SEC code P)
Insider Selling
$18.1M
reported sales (SEC code S)
Unique Insiders
9
in the rolling window
Latest filing
Oct 2, 2026
Unwin Stephanie
Energy Vault Holdings, Inc. (NRGV) has 43 SEC Form 4 filings (51 transaction rows) in the rolling window, disclosed by 9 distinct insiders. Most recent filing: Oct 2, 2026.
Inside the rolling window, 9 insiders at Energy Vault Holdings, Inc. reported 9 open-market purchases totaling $585K and 5 open-market sales totaling $18.1M. The most active filer is Chief Financial Officer Beer Michael Thomas with 3 filings. Insiders have net sold $473K over the trailing 6 months. The most recent open-market filing is a sale of 115,000 shares by Director Unwin Stephanie, dated Aug 26, 2026, worth $427K.
- Industry:Electrical Equipment & Parts
- CEO:Robert Piconi
- Employees:142
- HQ:Westlake Village, CA, US
- IPO:2021-03-29
| Source | |||||||
|---|---|---|---|---|---|---|---|
Unwin StephanieFirst filing | Director | Sale | 115,000 | $427K | Aug 28 | -28.0% | SEC ↗ |
| Director | Purchase | 27,472 | $107K | Aug 18 | -30.1% | SEC ↗ | |
Hixon DylanFirst filing | Director | Purchase | 85,518 | $320K | Aug 17 | -33.2% | SEC ↗ |
Beer Michael ThomasFirst in 3 months | Chief Financial Officer | Sale | 65,000 | $265K | Jul 8 | -28.2% | SEC ↗ |
Beer Michael ThomasFirst in 4 months | Chief Financial Officer | Sale | 65,000 | $207K | Apr 8 | -20.1% | SEC ↗ |
| Chief Executive Officer | Purchase | 12,500 | $40K | Apr 1 | -25.0% | SEC ↗ | |
Mandanas Mary BethFirst filing | Director | Purchase | 5,000 | $18K | Mar 26 | -27.6% | SEC ↗ |
Ertel Thomas RFirst filing | Director | Purchase | 5,450 | $18K | Mar 5 | -23.7% | SEC ↗ |
Ladwa AkshayFirst filing | Chief Operations Officer | Purchase | 4,000 | $12K | Mar 4 | — | SEC ↗ |
Paulson LarryFirst filing | Director | Purchase | 5,000 | $16K | Mar 2 | — | SEC ↗ |
Piconi RobertFirst in 3 months | Chief Executive Officer | Purchase | 7,500 | $24K | Feb 26 | — | SEC ↗ |
SOFTBANK VISION FUND (AIV M2) L.P.First filing | 10% Owner | Sale | 3,000,000 | $16.9M | Jan 20 | — | SEC ↗ |
Beer Michael ThomasFirst filing | Chief Financial Officer | Sale | 50,000 | $246K | Dec 23 | — | SEC ↗ |
Piconi RobertFirst filing | Chief Executive Officer | Purchase | 10,000 | $30K | Nov 14 | — | SEC ↗ |
Frequently asked questions
How many SEC Form 4 insider filings does NRGV have?
Energy Vault Holdings, Inc. (NRGV) has 43 SEC Form 4 filings (51 transaction rows) in the rolling 365-day window, disclosed by 9 distinct insiders. Most recent filing: Oct 2, 2026.
When was the most recent SEC Form 4 filing for NRGV?
The most recent Form 4 filing for NRGV on Tracefour is dated Oct 2, 2026.
Who is the most active insider at NRGV?
The most active SEC Form 4 filer at NRGV in the rolling window is Chief Financial Officer Beer Michael Thomas, with 3 filings.
What is the net insider flow at NRGV over the last 6 months?
Over the trailing 180 days, insiders at NRGV have net sold $473K based on SEC Form 4 disclosures.
What is the total insider buy and sell value at NRGV in the current window?
Inside the rolling window, insiders at NRGV bought $585K and sold $18.1M based on SEC Form 4 filings.
Can I get alerts for NRGV insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at Energy Vault Holdings, Inc. (NRGV). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
Energy Vault Holdings, Inc. is in the Manufacturing sector.