Welcome to our dedicated page for NET POWER SEC filings (Ticker: NPWR), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
NET Power Inc. filings document the formal reporting record of an emerging growth energy technology company developing low-carbon gas power solutions. Its Form 8-K reports include operating and financial results, business updates, project-development disclosures, executive appointments, board changes and Regulation FD communications related to power-generation site and interconnection matters.
The company’s proxy materials cover annual meeting voting items, director elections, auditor ratification and governance procedures. Other filings describe capital-structure and tax matters connected to NET Power Operations LLC, Opco Units, Class A common stock exchange mechanics, the terminated tax receivable agreement and related public-company obligations.
NET Power Inc. insider group reports updated ownership and recent sales. 8 Rivers Capital, NPEH, Damian Beauchamp and 8RCH report beneficial ownership of 23,279,880 shares of NET Power Class A common stock, representing 22.25% of the class. This percentage is based on 83,919,757 Class A shares outstanding as of November 11, 2025, plus shares issuable to NPEH upon exchange of Opco Units. The filing notes that between November 17, 2025 and December 9, 2025, NPEH sold 1,288,653 shares of Class A common stock. Through a series of holding entities and voting arrangements, Mr. Beauchamp and 8RCH may be deemed to share voting and dispositive power over these shares.
NET Power Inc. 10% owner NPEH, LLC reported selling a total of 310,000 shares of Class A common stock in early December 2025. The sales occurred in three open-market transactions: 65,000 shares on December 4 at a weighted average price of $2.9424, 105,000 shares on December 5 at $2.9064, and 140,000 shares on December 8 at $2.8091. The prices reflect multiple trades in ranges from $2.75 to $3.00. After these transactions, NPEH, LLC beneficially owned 2,590,000 Class A shares directly.
NET Power Inc. director-linked entity reports multiple stock sales. An indirect holder, NPEH, LLC, reported three open‑market sales of NET Power Class A common stock in early December 2025. On December 4, 2025, NPEH sold 65,000 shares at a weighted average price of $2.9424 per share. On December 5, 2025, it sold 105,000 shares at a weighted average price of $2.9064, and on December 8, 2025, it sold 140,000 shares at a weighted average price of $2.8091.
Following these transactions, NPEH reported indirect beneficial ownership of 2,590,000 NET Power Class A shares. The filing notes that 8 Rivers Capital, LLC, as manager and majority equity holder of NPEH, and Damian R. Beauchamp, as a majority owner of 8 Rivers, may each be deemed indirect beneficial owners to the extent of their pecuniary interests, while both disclaim beneficial ownership beyond those interests.
NET Power Inc. director reports an indirect share sale. An entity affiliated with director Damian R. Beauchamp, NPEH, LLC, sold 200,000 shares of NET Power Class A common stock on 11/28/2025 at a weighted average price of $2.9354 per share.
The shares were sold in multiple trades at prices ranging from $2.885 to $3.015. After these transactions, NPEH indirectly holds 2,900,000 NET Power shares. 8 Rivers Capital, LLC may be deemed a beneficial owner of the securities held by NPEH through its approximately 90.9% equity interest, and Mr. Beauchamp may be deemed an indirect beneficial owner through his approximately 68.5% interest in 8 Rivers, in each case only to the extent of respective pecuniary interests.
NET Power Inc. director reported selling 200,000 shares of Class A common stock on 11/28/2025. The sale was coded as an open-market or similar disposition and was executed at a weighted average price of $2.9354 per share, with individual trades occurring between $2.885 and $3.015. After this transaction, the reporting person beneficially owned 2,900,000 shares of Class A common stock, held directly.
NET Power Inc. (NPWR) reported insider share sales by a major holder. NPEH, LLC, a director and 10% owner, sold 132,837 shares of Class A common stock on 11/20/2025 at a weighted average price of $2.5971 per share, and 17,163 shares on 11/21/2025 at a weighted average price of $2.5012 per share. In total, these transactions covered 150,000 shares sold over two days. After the sales, NPEH, LLC beneficially owned 3,100,000 Class A common shares, held directly. The prices reflect multiple trades within disclosed ranges, and full trade-level details are available from NPEH, LLC upon request.
NET Power Inc. (NPWR) reported insider activity involving indirect owner NPEH, LLC, which is related to 8 Rivers Capital, LLC and Damian R. Beauchamp, a director of the company. NPEH sold 132,837 shares of Class A common stock on 11/20/2025 at a weighted average price of $2.5971, and an additional 17,163 shares on 11/21/2025 at a weighted average price of $2.5012, through multiple trades within the stated price ranges.
After these sales, NPEH remained the indirect holder of 3,100,000 Class A shares. 8 Rivers, as manager and majority owner of NPEH, and Mr. Beauchamp, as the majority owner of 8 Rivers, may be deemed indirect beneficial owners to the extent of their pecuniary interests, though both expressly disclaim broader beneficial ownership.
NET Power Inc. (NPWR) reported an insider stock sale by a director on a Form 4. The reporting person sold 338,653 shares of Class A common stock on 11/17/2025 at a weighted average price of $2.8096, and a further 250,000 shares on 11/19/2025 at a weighted average price of $2.568. After these transactions, the reporting person beneficially owned 3,250,000 shares of Class A common stock. The filing notes that each day's sales were executed in multiple trades within stated price ranges and that detailed trade data is available upon request.
NET Power Inc. (NPWR) reported insider share sales by an affiliated entity of a director and more than 10% owner. NPEH, LLC sold 338,653 shares of Class A common stock on 11/17/2025 at a weighted average price of $2.8096 per share, and another 250,000 shares on 11/19/2025 at a weighted average price of $2.568 per share, through multiple trades within stated price ranges.
After these transactions, NPEH is shown as indirectly holding 3,500,000 and then 3,250,000 shares of Class A common stock. 8 Rivers Capital, LLC, as manager and holder of approximately 91.4% of NPEH’s equity, and Damian R. Beauchamp, who indirectly owns approximately 68.5% of 8 Rivers, may each be deemed beneficial owners to the extent of their pecuniary interests, though both disclaim beneficial ownership beyond that.
NET Power Inc. filed its Q3 2025 report, recording a $1.0958 billion long‑lived asset impairment and a year‑to‑date net loss of $1.615 billion. Management updated long‑range forecasts after market feedback and value‑engineering results, then wrote down developed technology, Demonstration Plant and lease assets to an indicated fair value of $200.0 million.
The company paused new development spending for its first utility‑scale project (“SN1”) to preserve capital while it broadens its strategy to include natural gas turbines paired with post‑combustion carbon capture. Goodwill of $359.8 million was fully impaired in Q1 2025. Cash and cash equivalents were $229.3 million with total investments in available‑for‑sale securities of $192.2 million as of September 30, 2025. Revenue was minimal and operating expenses rose on research, project development and non‑cash charges.
Subsequently, on November 12, 2025, NET Power entered a $77.7 million purchase obligation for two modular gas turbine generator sets, and on November 7, 2025 signed a letter of intent to negotiate exclusive U.S. licensing of Entropy’s post‑combustion carbon capture technology.