Energy Vault Holdings (NRGV) stock: insider trades, news & valuation
Utilities · Strong buyingShare price and insider trades
Energy Vault Holdings insider trading at a glance (Oct 9, 2026): in the past 12 months, 6 insiders bought $586K and 3 sold $18.1M of NRGV stock on the open market, including a cluster buy that began Feb 26, 2026.
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NRGV insider buying and selling by quarter
Open-market purchases (green, above the line) and sales (red, below), by trade date.
| Quarter | Bought | Purchases | Sold | Sales |
|---|---|---|---|---|
| Q4 2026 | — | 0 | — | 0 |
| Q3 2026 | $426K | 4 | $692K | 2 |
| Q2 2026 | — | 0 | $207K | 1 |
| Q1 2026 | $129K | 6 | $16.9M | 1 |
| Q4 2025 | $30K | 1 | $246K | 1 |
Valuation, profit and volume
Summary
Over the past 12 months, 6 Energy Vault Holdings, Inc. insiders reported open-market purchases totaling $586K, while 3 insiders reported sales totaling $18.1M. The most recent cluster buy began on Feb 26, 2026, when 4 insiders bought a combined $71K. Among insiders with enough purchase history to measure, Robert Piconi (CEO) has the highest Insider Score at 88. 2 of 5 recorded sales were made under pre-scheduled Rule 10b5-1 trading plans, which are usually less informative than discretionary sales.
NRGV stock news and SEC filings
Recent 8-K filings and headlines. Tone is scored from the headline wording; “Policy” marks regulatory, trade or government topics.
Insider transactions
Open-market purchases and sales.
| Filed | Insider | Type | Shares | Price | Value | Since | Score |
|---|---|---|---|---|---|---|---|
| Aug 28SEC | Stephanie UnwinDirector | Sell | 115,000182,245 held (−39%) | $3.71 | $427K | -12.4% | — |
| Aug 18SEC | Dylan HixonDirector | Buy | 27,472new position | $3.88 | $107K | -16.2% | — |
| Aug 17SEC | Dylan HixonDirector | Buy | 31,864new position | $3.75 | $119K | -13.3% | — |
| Aug 17SEC | Dylan HixonDirector | Buy | 26,845new position | $3.73 | $100K | -12.9% | — |
| Aug 17SEC | Dylan HixonDirector | Buy | 26,809new position | $3.73 | $100K | -12.9% | — |
| Jul 8SEC | Michael Thomas BeerCFO | Sell Plan | 65,0001,021,806 held (−6%) | $4.08 | $265K | -20.3% | — |
| Apr 8SEC | Michael Thomas BeerCFO | Sell Plan | 65,0001,060,945 held (−6%) | $3.18 | $207K | +2.2% | — |
| Apr 1SEC | Robert PiconiCEO | Buy | 12,50016,921,594 held (+0%) | $3.21 | $40K | +1.2% | 88 |
| Mar 26SEC | Mary Beth MandanasDirector | Buy | 5,000350,838 held (+1%) | $3.65 | $18K | -11.0% | — |
| Mar 5SEC | Thomas R ErtelDirector | Buy | 5,450365,788 held (+2%) | $3.37 | $18K | -3.6% | — |
| Mar 4SEC | Akshay LadwaChief Operations Officer | Buy | 4,0001,824,384 held (+0%) | $3.09 | $12K | +5.2% | — |
| Mar 2SEC | Larry PaulsonDirector | Buy | 5,000501,768 held (+1%) | $3.15 | $16K | +3.2% | — |
| Feb 26SEC | Robert PiconiCEO | Buy | 7,50020,090,637 held (+0%) | $3.26 | $24K | -0.3% | 88 |
| Jan 20SEC | Investment Advisers (uk) Ltd Sb10% Owner | Sell | 3,000,00015,535,631 held (−16%) | $5.65 | $16.9M | -42.5% | — |
| Dec 23SEC | Michael Thomas BeerCFO | Sell | 50,0001,150,522 held (−4%) | $4.91 | $246K | -33.8% | — |
| Nov 14SEC | Robert PiconiCEO | Buy | 10,00020,207,242 held (+0%) | $3.00 | $30K | +8.3% | 88 |
Insiders at Energy Vault Holdings, Inc.
| Insider | Bought | Sold | Last filing | Score |
|---|---|---|---|---|
| Investment Advisers (uk) Ltd Sb10% Owner | — | $16.9M | Jan 20, 2026 | — |
| Dylan HixonDirector | $426K | — | Aug 18, 2026 | — |
| Michael Thomas BeerCFO | — | $717K | Jul 8, 2026 | — |
| Stephanie UnwinDirector | — | $427K | Aug 28, 2026 | — |
| Robert PiconiCEO | $95K | — | Apr 1, 2026 | 88 |
| Thomas R ErtelDirector | $18K | — | Mar 5, 2026 | — |
| Mary Beth MandanasDirector | $18K | — | Mar 26, 2026 | — |
| Larry PaulsonDirector | $16K | — | Mar 2, 2026 | — |
| Akshay LadwaChief Operations Officer | $12K | — | Mar 4, 2026 | — |
Insider activity at other Utilities companies
Same sector, ranked by insider buying in the last 90 days.
NRGV stock: common questions
Are Energy Vault Holdings, Inc. insiders buying NRGV stock?
In the past 12 months, 6 insiders reported open-market purchases of NRGV worth $586K. The latest was Director Dylan Hixon bought $107K of NRGV at $3.88 — opens a new position.
Are Energy Vault Holdings, Inc. insiders selling NRGV stock?
3 insiders reported sales worth $18.1M over the same period.
Where does this data come from?
Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.
What is NRGV's 52-week range?
Over the past year NRGV has traded between $2.51 and $6.49. It last closed at $3.25 on Oct 9, 2026.