Form 4: Energy Vault CEO Reports Tax-Related Stock Disposition

Energy Vault Holdings CEO Robert Piconi reported a disposition of shares to cover tax liabilities from restricted stock unit vesting.

Summary

• Robert Piconi, Chief Executive Officer, Director, and 10% Owner of Energy Vault Holdings, Inc. (NRGV), reported a transaction involving company common stock.
• On October 10, 2025, Piconi disposed of 13,719 shares of Common Stock at a price of $2.97 per share.
• This disposition was a non-discretionary transaction, representing shares withheld by the Issuer to satisfy Piconi's tax liability upon the vesting of restricted stock units.
• Following this transaction, Piconi directly beneficially owns 20,199,884 shares of Common Stock.
• Piconi also indirectly beneficially owns 4,307,946 shares through the Piconi 2021 Delaware Trust and another 4,307,946 shares through the Piconi Family 2021 Delaware Trust, for which he serves as investment advisor.

Sentiment

Score: 5

Explanation: The transaction is a routine, non-discretionary disposition of shares to cover tax obligations upon RSU vesting, which does not indicate a change in management's sentiment towards the company or its future prospects.

Stakeholder Impact

• Shareholders: The transaction represents a minor, non-discretionary reduction in the CEO's direct share ownership, which is a routine part of executive compensation and unlikely to significantly impact shareholder perception or company valuation.

Key Dates

Recommendation

The reported transaction is a routine, non-discretionary disposition of shares by the CEO to satisfy tax obligations upon the vesting of restricted stock units. This type of insider activity does not reflect a change in management's investment conviction or the company's fundamentals, thus a 'hold' recommendation remains appropriate based solely on this filing.

Keywords

Energy Vault Holdings, NRGV, Robert Piconi, Form 4, Insider Transaction, CEO, Restricted Stock Units, Tax Withholding