NET Power (NPWR) Shares Plunge 5.597% as 8 Rivers Capital Block Sale Sparks Investor Caution

NET Power Inc (NPWR) shares plunged 5.597% in pre-market trading on November 20, 2025, signaling heightened investor caution amid recent ownership developments. The sharp decline followed a significant block sale by 8 Rivers Capital LLC, a major beneficial owner, who disclosed transactions involving 588,653 shares at $2.71 apiece between November 17 and 19. The sale reduced the firm's indirect holdings to 3.25 million shares, raising questions about broader institutional confidence in the stock's near-term trajectory.

The insider activity underscores market sensitivity to large-scale shareholder actions in the energy infrastructure sector. While the company has not issued formal guidance or commentary, the timing of the sale—coinciding with pre-market volatility—suggests potential profit-taking or strategic rebalancing by key stakeholders. Analysts note that such transactions often amplify short-term price swings, particularly in thinly traded or speculative stocks like NPWR.

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