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.
NPEH, LLC, a 10% owner of NET Power Inc., reported open-market sales of Class A common stock over three days in late January. It sold 130,000 shares on January 26, 2026 at a weighted average price of $2.3549, 100,000 shares on January 27 at $2.3837, and 65,220 shares on January 28 at $2.383. After these transactions, NPEH directly held 1,254,780 Class A shares. The prices reflect weighted averages across multiple trades within disclosed intraday price ranges.
NET Power Inc. 10% holders reported indirect share sales in January 2026. Entities associated with 8 Rivers Capital, LLC and Damian R. Beauchamp disclosed three open-market sales of NET Power Class A common stock by NPEH, LLC on January 14, 15, and 16, 2026. The trades covered 135,000 shares at a weighted average price of $2.7379, 135,000 shares at $2.5718, and 230,000 shares at $2.6325, all reported as sales.
After these transactions, NPEH, LLC was reported as indirectly holding 1,550,000 Class A shares. 8 Rivers Capital, LLC, as manager and holder of approximately 90.9% of NPEH’s equity, and Mr. Beauchamp, who indirectly owns approximately 68.5% of 8 Rivers, may each be deemed beneficial owners to the extent of their pecuniary interests, but both expressly disclaim beneficial ownership beyond that.
NPEH, LLC, a 10% owner of NET Power Inc., reported open-market sales of the company’s Class A common stock over three consecutive days in January 2026.
The entity sold 135,000 shares on January 14, 2026 at a weighted average price of $2.7379, 135,000 shares on January 15, 2026 at a weighted average price of $2.5718, and 230,000 shares on January 16, 2026 at a weighted average price of $2.6325. In total, NPEH, LLC sold 500,000 shares and reported owning 1,550,000 shares of Class A common stock directly after the final transaction.
Each price represents a weighted average across multiple trades within the stated intraday price ranges, and NPEH, LLC has indicated it will provide full trade details upon request to regulators, the issuer, or its security holders.
NET POWER Inc. reported that on December 29, 2025 it notified the Midcontinent Independent System Operator (MISO) that it intends to withdraw its request to interconnect a proposed project, after MISO provided updated estimates showing significantly higher expected network upgrade costs. The company still holds its site lease in the northern MISO region and is exploring other ways to develop clean, firm power generation facilities at that location.
NET POWER stated that it has not capitalized any significant costs related to the MISO interconnection request and does not expect this withdrawal to have a material adverse impact on its financial condition or results of operations.
NPEH, LLC, a reporting person for NET Power Inc. (NPWR), disclosed a sale of Class A common stock. On 12/24/2025, NPEH sold 170,000 shares in an open-market transaction coded as a sale. The weighted average sales price was $2.2096 per share, with individual trades executed between $2.18 and $2.27 per share. After this transaction, NPEH reported beneficial ownership of 2,050,000 shares of NET Power Class A common stock held directly.
NET Power Inc. director-related entities reported a sale of Class A common stock. On 12/24/2025, NPEH, LLC sold 170,000 shares of NET Power Inc. Class A Common Stock at a weighted average price of $2.2096 per share, in multiple trades between $2.18 and $2.27. Following this transaction, NPEH, LLC beneficially owned 2,050,000 shares, reported as indirectly owned. The filing identifies 8 Rivers Capital, LLC as manager and majority equity holder of NPEH and notes that 8 Rivers and Damian R. Beauchamp may be deemed indirect beneficial owners only to the extent of their pecuniary interests, while each disclaims broader beneficial ownership.
NET Power Inc. reported insider share sales by a director-level reporting person on a Form 4. The reporting entity sold a total of 100,000 shares of Class A common stock on 12/19/2025 at a weighted average price of $2.3431, another 100,000 shares on 12/22/2025 at a weighted average price of $2.2646, and 130,000 shares on 12/23/2025 at a weighted average price of $2.1666. After these sales, the reporting person beneficially owned 2,220,000 shares of Class A common stock directly. Each price reported is a weighted average for multiple trades within stated price ranges, and the reporting person has agreed to provide full trade details upon request.
NET Power Inc. reported insider share sales linked to director Damian R. Beauchamp through entity NPEH, LLC. On December 19, 2025, NPEH sold 100,000 shares of Class A common stock at a weighted average price of $2.3431. On December 22, 2025, it sold another 100,000 shares at a weighted average price of $2.2646, and on December 23, 2025, it sold 130,000 shares at a weighted average price of $2.1666.
After these transactions, NPEH continued to beneficially own 2,220,000 shares of NET Power Class A common stock indirectly. The filing explains that 8 Rivers Capital, LLC may be deemed a beneficial owner of the securities held by NPEH, and that Damian R. Beauchamp may be deemed an indirect beneficial owner through his interest in 8 Rivers, though both disclaim beneficial ownership beyond their pecuniary interests.
NET Power Inc. (NPWR) disclosed that a 10% owner reported selling 40,000 shares of its Class A common stock on December 9, 2025. The reported weighted average sale price was $2.8235 per share, with individual trades executed between $2.80 and $2.855 per share. After these transactions, the reporting person beneficially owned 2,550,000 shares of NET Power Class A common stock, held directly. The filer noted that detailed trade-by-trade pricing information is available upon request.
NET Power Inc. reported an insider transaction involving a director and more than one reporting person. On 12/09/2025, an affiliated entity, NPEH, LLC, sold 40,000 shares of NET Power Class A common stock at a weighted average price of $2.8235 per share, in multiple trades between $2.80 and $2.855 per share. Following this sale, NPEH, LLC beneficially owned 2,550,000 shares, held indirectly. 8 Rivers Capital, LLC is described as the manager and majority equity holder of NPEH and may be deemed a beneficial owner, while its principal, Damian R. Beauchamp, may be deemed an indirect beneficial owner through his interest in 8 Rivers. Both 8 Rivers and Mr. Beauchamp expressly disclaim beneficial ownership beyond their pecuniary interests.