Form 4: Solaris Energy CEO Boosts Stake with 10,000 Share Purchase

William A. Zartler, Chairman and CEO of Solaris Energy Infrastructure, Inc., acquired 10,000 shares of Class A Common Stock at an average price of $24.83.

Summary

• William A. Zartler, Chairman and CEO, Director, and 10% Owner of Solaris Energy Infrastructure, Inc. (SEI), purchased 10,000 shares of Class A Common Stock.
• The transaction occurred on September 9, 2025, at a weighted average price of $24.83 per share, with individual transaction prices ranging from $24.80 to $24.84.
• Following this transaction, Mr. Zartler directly beneficially owns 1,049,227 shares of Class A Common Stock, which includes 450,381 shares from previously granted Restricted Stock Awards that remain subject to vesting.
• He also directly owns 726,819 shares of Class B Common Stock and indirectly owns 3,513,496 shares of Class B Common Stock through Solaris Energy Capital, where he is the sole member.
• Each Class B Common Stock share has no economic rights but entitles the holder to one vote on all matters to be voted on by the stockholders generally.
• Mr. Zartler also directly and indirectly holds Solaris Energy Infrastructure, LLC Units, which are exchangeable for Class A Common Stock, totaling 726,819 direct and 3,513,496 indirect units.

Sentiment

Score: 8

Explanation: The significant insider purchase by the Chairman and CEO indicates strong confidence in the company's future, which is a positive signal for investors.

Positives

• Significant insider buying by the Chairman and CEO, indicating strong confidence in the company's future prospects.
• The purchase of 10,000 shares adds to an already substantial beneficial ownership, aligning management's interests with shareholders.

Future Outlook

The filing does not contain specific forward-looking statements or guidance, but the insider purchase may signal management's positive outlook on the company's future performance.

Management Comments

• The purchase of 10,000 shares by Chairman and CEO William A. Zartler demonstrates a strong personal commitment and belief in Solaris Energy Infrastructure's valuation and strategic direction.

Industry Context

This insider purchase is a company-specific event and does not directly reflect broader industry trends. However, in the energy infrastructure sector, such a move by a top executive can be interpreted as a sign of stability or anticipated growth within the company, potentially outperforming peers.

Related Party Transactions

• William A. Zartler indirectly holds 3,513,496 shares of Class B Common Stock and 3,513,496 Solaris Energy Infrastructure, LLC Units through Solaris Energy Capital, where he is the sole member and has sole discretion over voting and disposition. He disclaims beneficial ownership in excess of his pecuniary interest.

Stakeholder Impact

• Shareholders may view the CEO's increased stake as a positive sign of management's belief in the company's value and future performance, potentially boosting investor confidence.

Key Dates

Recommendation

The substantial purchase of shares by the Chairman and CEO, who also holds significant direct and indirect ownership, signals strong insider confidence in the company's valuation and future prospects. This aligns management's interests with shareholders and suggests a belief that the stock is undervalued or poised for growth, making it a compelling 'buy' signal for investors.

Keywords

Solaris Energy Infrastructure, SEI, William A. Zartler, Insider Trading, Form 4, Stock Purchase, CEO, Director, 10% Owner, Class A Common Stock, Beneficial Ownership