NRGV insider buying and SEC filings, explained
Energy Vault Holdings, Inc. · CIK 1828536
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Insider activity in the last 12 months
Bought
$586K
Insiders who bought
6
Sold (not marked 10b5-1)
$17.6M
Planned sales (10b5-1)
$472K
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Aug 26, 2026 | Sale | Stephanie Unwin (Director) sold 115,000 shares at about $3.71 ($427K). Holdings down 39% to 182,245 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 28, 2026 |
| Aug 17, 2026 | Purchase (code P) | Dylan Hixon (Director) bought 27,472 shares indirectly (by trust) at $3.88 ($107K), reported as a purchase (code P). New position of 27,472 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 18, 2026 |
| Aug 14, 2026 | Purchase (code P) | Dylan Hixon (Director) bought 85,518 shares indirectly (by child) at about $3.74 ($320K), reported as a purchase (code P). New position of 31,864 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 17, 2026 |
| Jul 6, 2026 | Planned (10b5-1) | Michael Thomas Beer (CFO) sold 65,000 shares at $4.08 ($265K), marked as a 10b5-1 plan trade. Holdings down 6% to 1,021,806 shares. | SEC filing Filed Jul 8, 2026 |
| Apr 6, 2026 | Planned (10b5-1) | Michael Thomas Beer (CFO) sold 65,000 shares at $3.18 ($207K), marked as a 10b5-1 plan trade. Holdings down 6% to 1,060,945 shares. | SEC filing Filed Apr 8, 2026 |
| Mar 31, 2026 | Purchase (code P) | Robert Piconi (CEO and Director) bought 12,500 shares at $3.21 ($40K), reported as a purchase (code P). Holdings up <1% to 16,921,594 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Apr 1, 2026 |
| Mar 25, 2026 | Purchase (code P) | Mary Beth Mandanas (Director) bought 5,000 shares at $3.65 ($18K), reported as a purchase (code P). Holdings up 1% to 350,838 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 26, 2026 |
| Mar 4, 2026 | Purchase (code P) | Thomas R Ertel (Director) bought 5,450 shares at $3.37 ($18K), reported as a purchase (code P). Holdings up 2% to 365,788 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 5, 2026 |
| Mar 2, 2026 | Purchase (code P) | Akshay Ladwa (Chief Operations Officer) bought 4,000 shares at $3.09 ($12K), reported as a purchase (code P). Holdings up <1% to 1,824,384 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 4, 2026 |
| Feb 27, 2026 | Purchase (code P) | Larry Paulson (Director) bought 5,000 shares at $3.15 ($16K), reported as a purchase (code P). Holdings up 1% to 501,768 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 2, 2026 |
| Feb 26, 2026 | Purchase (code P) | Robert Piconi (CEO and Director) bought 7,500 shares at $3.26 ($24K), reported as a purchase (code P). Holdings up <1% to 20,090,637 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Feb 26, 2026 |
| Jan 15, 2026 | Sale | SB INVESTMENT ADVISERS (UK) LTD (10% owner) sold 3,000,000 shares indirectly at $5.65 ($17.0M). Indirect holdings down 16% to 15,535,631 shares. Not marked as a 10b5-1 plan trade. Filed jointly with 1 other reporting owner. | SEC filing Filed Jan 20, 2026 |
| Dec 23, 2025 | Sale | Michael Thomas Beer (CFO) sold 50,000 shares at about $4.91 ($246K). Holdings down 4% to 1,150,522 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Dec 23, 2025 |
| Nov 14, 2025 | Purchase (code P) | Robert Piconi (CEO and Director) bought 10,000 shares at about $3.00 ($30K), reported as a purchase (code P). Holdings up <1% to 20,207,242 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 14, 2025 |
33 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
5 insiders bought in 30 days
$129K in purchases since Feb 26, 2026 · Purchases traded Feb 26, 2026 to Mar 31, 2026 · Closed
| Insider | Value | Traded | Source |
|---|---|---|---|
| Robert Piconi (CEO) | $24K | Feb 26, 2026 | SEC filing |
| Larry Paulson (Director) | $16K | Feb 27, 2026 | SEC filing |
| Akshay Ladwa (Chief Operations Officer) | $12K | Mar 2, 2026 | SEC filing |
| Thomas R Ertel (Director) | $18K | Mar 4, 2026 | SEC filing |
| Mary Beth Mandanas (Director) | $18K | Mar 25, 2026 | SEC filing |
| Robert Piconi (CEO) | $40K | Mar 31, 2026 | SEC filing |
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
No 8-K filings in the last 12 months.
Red flags are objective triggers only: the item or form filed, never an opinion.
Follow NRGV in the Insider Ledger app
Get the appA plain-English brief of insider purchases, 8-Ks and red flags at the companies you pick. No account needed.