8 Rivers Capital, LLC Reduces Stake in NET Power Inc. to 19.5% via NPEH, LLC Sales

On May 14, 2026, 8 Rivers Capital, LLC, along with NPEH, LLC, Damian Beauchamp, and 8RCH, LLC, filed Amendment No. 11 to their Schedule 13D regarding NET Power Inc. (NPWR). The filing discloses that between January 29, 2026, and May 13, 2026, NPEH sold 1,289,780 shares of Class A Common Stock. Following these transactions, the reporting persons collectively beneficially own 20,694,880 shares, representing 19.5% of the class. This total includes 2,965,000 shares of Class A Common Stock held directly by NPEH and 17,729,880 shares issuable upon the redemption and exchange of Opco Units. Damian Beauchamp and 8RCH, LLC are deemed beneficial owners due to their control over 8 Rivers Capital, LLC, which manages NPEH. The ownership percentage is calculated based on 88,383,801 shares outstanding as of May 7, 2026, plus the shares issuable upon exchange of the reporting persons' Opco Units. All reporting persons share voting and dispositive power over the reported securities.