12 insiders reported 195 Form 4 transactions for NET Power Inc. (NPWR) over the past 18 months (most recent 2026-05-14). Recent activity: BEAUCHAMP DAMIAN R. (Insider) Sell 400,000 shares, 8 Rivers Capital, LLC (Insider) Sell 400,000 shares, NPEH, LLC (Insider) Sell 400,000 shares, BEAUCHAMP DAMIAN R. (Insider) Sell 35,000 shares, 8 Rivers Capital, LLC (Insider) Sell 35,000 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-14 | BEAUCHAMP DAMIAN R. | Insider | Sell | 400,000 | $975,560 |
| 2026-05-14 | 8 Rivers Capital, LLC | Insider | Sell | 400,000 | $975,560 |
| 2026-05-14 | NPEH, LLC | Insider | Sell | 400,000 | $975,560 |
| 2026-05-14 | BEAUCHAMP DAMIAN R. | Insider | Sell | 35,000 | $85,152 |
| 2026-05-14 | 8 Rivers Capital, LLC | Insider | Sell | 35,000 | $85,152 |
| 2026-05-14 | NPEH, LLC | Insider | Sell | 35,000 | $85,152 |
| 2026-05-13 | 8 Rivers Capital, LLC | Insider | Buy | 3.0M | $0 |
| 2026-05-13 | BEAUCHAMP DAMIAN R. | Insider | Buy | 3.0M | $0 |
| 2026-05-13 | NPEH, LLC | Insider | Buy | 3.0M | $0 |
| 2026-05-13 | BEAUCHAMP DAMIAN R. | Insider | Sell | 3.0M | $0 |
| 2026-05-13 | 8 Rivers Capital, LLC | Insider | Sell | 3.0M | $0 |
| 2026-05-13 | NPEH, LLC | Insider | Sell | 3.0M | $0 |
| 2026-03-10 | 8 Rivers Capital, LLC | Insider | Buy | 3.0M | $0 |
| 2026-03-10 | BEAUCHAMP DAMIAN R. | Insider | Sell | 3.0M | $0 |
| 2026-03-10 | 8 Rivers Capital, LLC | Insider | Sell | 3.0M | $0 |
| 2026-03-10 | NPEH, LLC | Insider | Buy | 3.0M | $0 |
| 2026-03-10 | NPEH, LLC | Insider | Sell | 3.0M | $0 |
| 2026-03-10 | BEAUCHAMP DAMIAN R. | Insider | Buy | 3.0M | $0 |
| 2026-03-05 | NPEH, LLC | Insider | Sell | 100,000 | $204,000 |
| 2026-03-05 | 8 Rivers Capital, LLC | Insider | Sell | 100,000 | $204,000 |
| 2026-03-05 | BEAUCHAMP DAMIAN R. | Insider | Sell | 100,000 | $204,000 |
| 2026-03-02 | 8 Rivers Capital, LLC | Insider | Sell | 1,881 | $3,762 |
| 2026-03-02 | NPEH, LLC | Insider | Sell | 1,881 | $3,762 |
| 2026-03-02 | NPEH, LLC | Insider | Sell | 4,744 | $9,488 |
| 2026-03-02 | NPEH, LLC | Insider | Sell | 79,858 | $163,709 |
Source: SEC Form 4 filings · as of 2026-05-14