Insider Selling: NET Power (NYSE:NPWR) Major Shareholder Sells $324,000.00 in Stock

NET Power Inc. (NYSE:NPWR) major shareholder 8 Rivers Capital, Llc sold 200,000 shares of NET Power stock in a transaction that occurred on Thursday, August 13th. The shares were sold at an average price of $1.62, for a total value of $324,000.00. Following the sale, the insider owned 1,750,000 shares in the company, valued at $2,835,000. This represents a 10.26% decrease in their ownership of the stock. The transaction was disclosed in a filing with the Securities & Exchange Commission, which can be accessed through this hyperlink. Major shareholders that own at least 10% of a company’s shares are required to disclose their transactions with the SEC.

8 Rivers Capital, Llc also recently made the following trade(s):

• On Friday, August 14th, 8 Rivers Capital, Llc sold 507,100 shares of NET Power stock. The stock was sold at an average price of $1.95, for a total value of $988,845.00.
• On Wednesday, August 12th, 8 Rivers Capital, Llc sold 50,000 shares of NET Power stock. The stock was sold at an average price of $1.63, for a total value of $81,500.00.
• On Tuesday, August 11th, 8 Rivers Capital, Llc sold 35,000 shares of NET Power stock. The shares were sold at an average price of $1.60, for a total value of $56,000.00.
• On Monday, August 10th, 8 Rivers Capital, Llc sold 55,400 shares of NET Power stock. The shares were sold at an average price of $1.55, for a total transaction of $85,870.00.
• On Friday, August 7th, 8 Rivers Capital, Llc sold 60,345 shares of NET Power stock. The stock was sold at an average price of $1.53, for a total transaction of $92,327.85.
• On Thursday, August 6th, 8 Rivers Capital, Llc sold 89,255 shares of NET Power stock. The stock was sold at an average price of $1.51, for a total transaction of $134,775.05.
• On Wednesday, August 5th, 8 Rivers Capital, Llc sold 140,000 shares of NET Power stock. The stock was sold at an average price of $1.51, for a total transaction of $211,400.00.
• On Tuesday, August 4th, 8 Rivers Capital, Llc sold 120,000 shares of NET Power stock. The shares were sold at an average price of $1.54, for a total transaction of $184,800.00.
• On Thursday, July 30th, 8 Rivers Capital, Llc sold 155,000 shares of NET Power stock. The stock was sold at an average price of $1.43, for a total transaction of $221,650.00.
• On Wednesday, July 29th, 8 Rivers Capital, Llc sold 45,000 shares of NET Power stock. The stock was sold at an average price of $1.41, for a total transaction of $63,450.00.

NET Power Stock Performance

Shares of NPWR opened at $1.95 on Monday. The stock has a market cap of $436.50 million, a PE ratio of -0.30 and a beta of 1.07. NET Power Inc. has a fifty-two week low of $1.35 and a fifty-two week high of $5.20. The firm’s 50-day simple moving average is $1.61 and its two-hundred day simple moving average is $1.80.

NET Power (NYSE:NPWR) last released its earnings results on Thursday, August 13th. The company reported ($0.91) earnings per share (EPS) for the quarter, missing the consensus estimate of ($0.07) by ($0.84).

Trending Headlines about NET Power

Here are the key news stories impacting NET Power this week:

• Neutral Sentiment: NET Power provided its second-quarter 2026 results and business update. The earnings-call transcript may offer additional details on the company’s project pipeline, commercialization plans and financial outlook, but no specific new catalyst was identified in the supplied report. Net Power Reports Second Quarter 2026 Results and Provides Business Update NET Power Q2 2026 Earnings Call Transcript
• Neutral Sentiment: The elevated trading volume suggests heightened investor attention following the earnings release and shareholder filings. NPWR was trading near $1.95, above its 50-day moving average of $1.60 but still below its 200-day moving average of $1.80 on a longer-term basis.
• Negative Sentiment: NET Power reported a second-quarter loss of $0.91 per share, substantially worse than analysts’ expected loss of $0.07. The $0.84-per-share miss highlights continued financial pressure and is the clearest fundamental negative in the latest news. NET Power Second-Quarter 2026 Earnings Release
• Negative Sentiment: Major shareholder 8 Rivers Capital sold a combined 757,100 shares from August 12 through August 14 for approximately $1.39 million. The transactions reduced its reported holdings by about 28.98% in the latest sale and may weigh on sentiment by signaling a significant reduction in exposure. 8 Rivers Capital SEC Ownership Filing

Institutional Investors Weigh In On NET Power

Several institutional investors and hedge funds have recently made changes to their positions in NPWR. Adage Capital Partners GP L.L.C. raised its holdings in NET Power by 16.4% in the 2nd quarter. Adage Capital Partners GP L.L.C. now owns 2,840,000 shares of the company’s stock worth $7,015,000 after acquiring an additional 400,000 shares during the last quarter. CenterBook Partners LP increased its holdings in shares of NET Power by 48.0% in the 4th quarter. CenterBook Partners LP now owns 1,848,073 shares of the company’s stock worth $4,214,000 after purchasing an additional 599,725 shares in the last quarter. Geode Capital Management LLC raised its stake in shares of NET Power by 21.4% in the second quarter. Geode Capital Management LLC now owns 841,060 shares of the company’s stock worth $2,078,000 after purchasing an additional 148,307 shares during the last quarter. Two Sigma Investments LP raised its stake in shares of NET Power by 36.7% in the third quarter. Two Sigma Investments LP now owns 821,793 shares of the company’s stock worth $2,474,000 after purchasing an additional 220,831 shares during the last quarter. Finally, Renaissance Technologies LLC lifted its holdings in shares of NET Power by 644.0% during the first quarter. Renaissance Technologies LLC now owns 703,800 shares of the company’s stock valued at $1,098,000 after purchasing an additional 609,200 shares in the last quarter. Institutional investors own 53.62% of the company’s stock.

Analyst Upgrades and Downgrades

A number of brokerages have issued reports on NPWR. Wall Street Zen cut NET Power from a “sell” rating to a “strong sell” rating in a research note on Saturday, July 18th. Weiss Ratings upgraded NET Power from a “sell (e+)” rating to a “sell (d-)” rating in a report on Tuesday, August 11th. One equities research analyst has rated the stock with a Buy rating, one has issued a Hold rating and one has assigned a Sell rating to the company. According to data from MarketBeat.com, the company currently has an average rating of “Hold” and a consensus price target of $3.50.

NET Power Company Profile

NET Power, Inc is an energy technology company focused on developing and commercializing power generation plants that burn natural gas and other fuels with near-zero carbon emissions. The company’s core innovation is the proprietary Allam-Fetvedt Cycle, a supercritical carbon dioxide power cycle that captures all carbon dioxide produced during combustion without the need for separate carbon capture systems. By integrating gas combustion, heat exchange and carbon dioxide separation into a single closed-loop process, NET Power aims to deliver baseload power with efficiencies and emissions profiles competitive with conventional and renewable generation sources.

Since demonstrating its first full-scale Allam-Cycle facility in La Porte, Texas, NET Power has moved from pilot operation toward commercial deployment.