Form 4: Energy Vault Director Boosts Stake with $20,520 Stock Purchase

Energy Vault Holdings Director Mary Beth Mandanas purchased 10,000 shares of common stock for $2.052 per share, increasing her beneficial ownership.

Summary

• Mary Beth Mandanas, a Director of Energy Vault Holdings, Inc. (NRGV), acquired 10,000 shares of common stock.
• The transaction occurred on September 11, 2025, at a price of $2.052 per share.
• The total value of the shares purchased was $20,520.
• Following this transaction, Ms. Mandanas beneficially owns a total of 184,706 shares of common stock.
• The purchase was made pursuant to a contract, instruction, or written plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c).

Sentiment

Score: 8

Explanation: The purchase of shares by a director indicates strong insider confidence in the company's future performance and valuation, which is a positive signal for investors.

Positives

• A Director's purchase of company stock signals confidence in the company's future prospects and valuation.
• The transaction was executed under a Rule 10b5-1 plan, indicating a pre-planned investment strategy.

Industry Context

Insider buying, particularly by a director, is often interpreted by the market as a positive signal, suggesting that those closest to the company believe its stock is undervalued or that significant positive developments are anticipated. This transaction aligns with a general trend where management and board members may increase their holdings to demonstrate commitment and confidence.

Stakeholder Impact

• Shareholders: This transaction may instill greater confidence among existing and potential shareholders, as it signals that a key insider believes the stock is a good investment.
• Employees: May view the director's investment as a positive sign of stability and future growth for the company.

Key Dates

Recommendation

The purchase of a significant number of shares by a company director, especially under a Rule 10b5-1 plan, is a strong indicator of insider confidence. This suggests that management believes the company's stock is currently undervalued or that positive developments are on the horizon, making it an attractive buying opportunity for investors.

Keywords

Energy Vault Holdings, NRGV, Insider Buying, Director Stock Purchase, Form 4, Common Stock, Mary Beth Mandanas, Rule 10b5-1