Form 4: Energy Vault CEO Boosts Stake with 22,500 Share Purchase

Energy Vault Holdings CEO Robert Piconi acquired 22,500 shares of common stock in a pre-planned transaction, increasing his beneficial ownership.

Summary

• Robert Piconi, CEO, Director, and 10% Owner of Energy Vault Holdings, Inc. (NRGV), purchased 22,500 shares of common stock.
• The transaction occurred on August 29, 2025, as part of a pre-arranged plan under Rule 10b5-1(c).
• The shares were acquired at a weighted average price of $1.9159 per share, with individual transactions ranging from $1.905 to $1.92.
• Following this purchase, Mr. Piconi directly owns 20,110,026 shares of common stock.
• Additionally, Mr. Piconi 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: 8

Explanation: The sentiment is highly positive due to the CEO and 10% owner increasing his stake, signaling strong confidence in the company's valuation and future prospects.

Positives

• The CEO, Robert Piconi, a Director and 10% owner, increasing his stake signals strong confidence in the company's future prospects.
• The purchase of 22,500 shares at an average price of $1.9159 demonstrates management's belief in the current valuation.

Future Outlook

The transaction date of August 29, 2025, indicates a pre-planned future acquisition under a Rule 10b5-1(c) plan, suggesting a long-term investment strategy by the CEO.

Industry Context

Insider buying, particularly by a CEO and significant owner, is often viewed as a positive indicator of management's belief in the company's future performance within the energy storage sector.

Related Party Transactions

• Robert Piconi indirectly beneficially owns shares held by the Piconi 2021 Delaware Trust and the Piconi Family 2021 Delaware Trust, for which he serves as investment advisor.

Stakeholder Impact

• Shareholders may interpret the CEO's increased stake as a positive signal regarding the company's future performance and management's commitment.
• The transaction could enhance investor confidence in the company's leadership and strategic direction.

Key Dates

Recommendation

The purchase of shares by the CEO, who is also a 10% owner, is a strong vote of confidence in Energy Vault Holdings' future. Insider buying, especially from top executives, often precedes positive company developments or indicates a belief that the stock is undervalued. This action suggests that management sees significant upside potential, making it a compelling signal for investors to consider a 'buy' position.

Keywords

Energy Vault Holdings, NRGV, Robert Piconi, Insider Purchase, CEO Stock Buy, Form 4, 10b5-1 Plan, Equity Acquisition, Energy Storage