Summary: Energy Vault Holdings (NASDAQ:NRGV) CEO Robert Piconi bought 7,500 shares on February 26, 2026 at $3.255 per share, a transaction valued at $24,412. Following the purchase, Piconi holds 20,090,637 shares directly and has indirect holdings through two trusts for which he serves as investment advisor. The stock trades slightly higher than his purchase price at $3.33 and the company reports several financial and commercial milestones, including a first positive adjusted EBITDA in the fourth quarter of 2025 and a substantial increase in cash reserves.
On February 26, 2026, Robert Piconi completed a single transaction to acquire 7,500 shares of Energy Vault common stock at $3.255 each, totaling $24,412. The current market price of $3.33 represents a modest gain relative to that purchase price. Energy Vault carries a market capitalization of $534 million and is assigned a "WEAK" financial health score by InvestingPro analysis.
After the acquisition, Piconi's direct ownership stands at 20,090,637 shares. He additionally has indirect holdings of 4,307,946 shares through the Piconi 2021 Delaware Trust and another 4,307,946 shares through the Piconi Family 2021 Delaware Trust; he serves as investment advisor to both trusts. The insider purchase coincides with the stock delivering a 127% return over the previous 12 months, although InvestingPro Tips note that the shares generally trade with high volatility.
Financial milestones reported
Energy Vault reported its first positive adjusted EBITDA in the fourth quarter of 2025, in the range of $5-10 million. The company also completed a financing transaction that increased cash reserves by more than 300% year-over-year, finishing 2025 with cash balances in excess of $100 million. These developments indicate an improved near-term liquidity posture relative to prior periods.
Separately, Energy Vault amended its Securities Purchase Agreement with YA II PN, Ltd., changing terms related to previously issued senior unsecured convertible debentures. The original arrangement had provided for the potential issuance of up to $50 million in such debentures; the amendment modified terms for those instruments.
Commercial and strategic activity
The company announced a partnership with Peak Energy to develop energy storage solutions tailored for AI applications, combining Peak Energy's sodium-ion batteries with Energy Vault's digital technology. The agreement includes an initial 1.5 GWh offtake of Peak Energy's batteries, which the company says supports supply chain security and qualifications for tax credits.
In Australia, Energy Vault’s partner Bridge Energy secured a 14-year Long-Term Energy Service Agreement for a significant battery energy storage project in New South Wales valued at A$310 million. Energy Vault holds an exclusive option to acquire and construct that facility.
Context and coverage
These transactions and disclosures were presented alongside coverage that includes a Pro Research Report on Energy Vault, available as part of a wider database covering more than 1,400 U.S. equities. The mix of corporate finance activity, strategic offtakes and project options contribute to the company’s public narrative as it seeks to expand its role in energy storage markets.
Investors assessing recent insider buying should weigh Piconi’s incremental direct purchase and overall ownership stake against the company's stated financial progress and the InvestingPro assessment of financial health and volatility.