Form 4: NPEH Reports Planned NPWR Stock Sales & Unit Conversion

NPEH, a 10% owner of NET Power Inc., reported planned sales of Class A Common Stock and an exchange of Class A Units for Class A Common Stock under a Rule 10b5-1 plan.

Summary

• NPEH, LLC, a Director and 10% owner of NET Power Inc. (NPWR), reported transactions occurring in late October and early November 2025.
• On October 31, 2025, NPEH sold 18,116 shares of Class A Common Stock at a weighted average price of $4.0527 per share, reducing its direct beneficial ownership to 1,847,130 shares.
• On November 3, 2025, NPEH sold an additional 8,477 shares of Class A Common Stock at a weighted average price of $4.0025 per share, further reducing its direct beneficial ownership to 1,838,653 shares.
• Also on November 3, 2025, NPEH exchanged 2,000,000 Class A Units of NET Power Operations LLC for 2,000,000 shares of the Issuer's Class A Common Stock, increasing its direct beneficial ownership of Class A Common Stock to 3,838,653 shares.
• Concurrently with the unit exchange on November 3, 2025, 2,000,000 shares of Class B Common Stock, which have no economic value and correspond to the Class A Units, were cancelled, leaving 20,729,880 Class B shares beneficially owned.
• All reported transactions were made pursuant to a contract, instruction, or written plan for the purchase or sale of equity securities intended to satisfy the affirmative defense conditions of Rule 10b5-1(c).

Sentiment

Score: 5

Explanation: The sentiment is neutral. While there are planned sales of Class A Common Stock by a 10% owner, these are executed under a pre-arranged 10b5-1 plan, which mitigates the negative signal typically associated with insider selling. The significant conversion of Class A Units to Class A Common Stock is a structural change in holdings rather than a direct market action, balancing the overall impact.

Negatives

• NPEH, a 10% owner, reported planned sales of 26,593 shares of Class A Common Stock, which represents a reduction in direct equity holdings.

Future Outlook

The filing details pre-planned transactions under a Rule 10b5-1 plan, indicating future changes in beneficial ownership of Class A Common Stock and Class B Common Stock for NPEH, LLC.

Industry Context

This filing reports insider transactions for NET Power Inc., a company focused on clean energy technology. Such transactions are common for major shareholders and executives, often executed under pre-arranged plans, and are typically viewed in the context of the company's broader financial performance and strategic direction within the energy sector.

Related Party Transactions

• NPEH, LLC, a 10% owner of NET Power Inc., exchanged 2,000,000 Class A Units of NET Power Operations LLC for 2,000,000 shares of NET Power Inc.'s Class A Common Stock. This transaction involves entities within the broader NET Power corporate structure and a significant shareholder.

Stakeholder Impact

• Shareholders: The planned sales by a 10% owner, even under a 10b5-1 plan, could be interpreted as a signal regarding the owner's long-term liquidity needs or portfolio rebalancing. The conversion of units to common stock increases the direct float of Class A shares held by NPEH.

Key Dates

Recommendation

The reported transactions, including sales of Class A Common Stock and the exchange of Class A Units, were executed under a pre-arranged Rule 10b5-1 trading plan. While sales by a 10% owner are noted, the pre-planned nature suggests these are not reactive to new information, warranting a 'hold' recommendation for existing investors to observe future developments rather than reacting to these scheduled events.

Keywords

NET Power Inc., NPWR, SEC Form 4, Insider Trading, Stock Sale, Unit Conversion, NPEH LLC, 10b5-1 Plan, Class A Common Stock, Class A Units