Solaris Energy Infrastructure (SEI) Gained Significantly This Week. Here is Why.

Group 1 - Solaris Energy Infrastructure, Inc. (NYSE:SEI) experienced a significant share price increase of 29.09% from September 9 to September 16, 2025, making it one of the top-performing energy stocks for that week [1][2] - The company specializes in designing and manufacturing equipment for oil and natural gas operators in the United States [2] - Recent regulatory filings indicated that CEO William A. Zartler purchased 10,000 shares valued at approximately $248,300, while CFO Kyle S. Ramachandran acquired 2,000 shares for about $50,000, which boosted investor confidence [3][4] Group 2 - The stock has shown a remarkable performance, gaining over 50% in value over the past six months, reflecting strong investor sentiment [4]