v3.26.1
Related Party Transactions
 6 Months Ended
Jun. 30, 2026
Related Party Transactions [Abstract]  
Related Party Transactions Related Party Transactions
Solaris Energy Management
The Company incurs costs for services provided by Solaris Energy Management, LLC, a company owned by William A. Zartler, the Co-Chief Executive Officer and Chairman of the Board. These services primarily include rental of office space, travel services and other administrative support. The related costs are included in selling, general and administrative costs and other operating expenses, net in the condensed consolidated statements of operations. For the three months ended June 30, 2026 and 2025, Solaris LLC paid $0.3 million and $0.2 million, respectively, for these services. For the six months ended June 30, 2026 and 2025, Solaris LLC paid $0.5 million and $0.4 million, respectively, for these services.
In addition, as of June 30, 2026 and December 31, 2025, the Company had the following balances related to these related party transactions reflected on the condensed consolidated balance sheets:
June 30,
2026		December 31,
2025
Accrued liabilities$0.2 $0.1 
KTR Management Company, LLC
The Company previously acquired an operating lease agreement for commercial real estate with KTR Management Company, LLC, a previous related party. As of May 1, 2026, KTR Management Company, LLC is no longer a related party. The information disclosed herein reflects transactions that occurred while KTR Management Company, LLC was considered a related party.
The operating lease right-of-use asset and operating lease liability associated with this related party lease were each $0.1 million on the condensed consolidated balance sheets as of December 31, 2025. KTR Management Company, LLC was no longer a related party at June 30, 2026.
During the three and six months ended June 30, 2026 and 2025, the Company incurred the following related party expenses from KTR Management Company, LLC:
Three Months Ended
June 30,		Six Months Ended
June 30,
2026202520262025
Cost of services
Commercial real estate lease$— $0.1 $0.1 $0.1 
Cost of leasing revenue
Short-term equipment rental— — — 0.3 
Fuel, utility and travel expenses— — — 0.1 
Total costs from KTR Management Company, LLC$— $0.1 $0.1 $0.5 
During the six months ended June 30, 2025, the Company also purchased certain equipment from KTR Management Company, LLC for $2.0 million, included as property, plant and equipment, net on the condensed consolidated balance sheets. The equipment was purchased at cost with no mark up, representing the same price the Company would have paid in an arm’s-length transaction with an unrelated party.
BlackRock
In connection with the issuance of the 2030 Notes, BlackRock Portfolio Management LLC (“BlackRock”), which held more than 5% of the Company’s total outstanding shares of common stock at the time of note issuance, purchased an aggregate principal amount of $55.0 million of the 2030 Notes at the public offering price. The Company’s audit committee approved BlackRock’s participation in the 2030 Notes offering on April 30, 2025.
In connection with the issuance of the 2031 Notes, BlackRock purchased an aggregate principal amount of $120.0 million of the 2031 Notes at the price to the public. The Company’s audit committee approved BlackRock’s participation in the 2031 Notes offering on October 6, 2025.