12 insiders reported 255 Form 4 transactions for NET Power Inc. (NPWR) over the past 18 months (most recent 2026-09-10). Recent activity: BEAUCHAMP DAMIAN R. (10% Owner) Sell 100,000 shares, 8 Rivers Capital, LLC (10% Owner) Sell 100,000 shares, NPEH, LLC (10% Owner) Sell 100,000 shares, BEAUCHAMP DAMIAN R. (10% Owner) Sell 150,000 shares, 8 Rivers Capital, LLC (10% Owner) Sell 150,000 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-10 | BEAUCHAMP DAMIAN R. | 10% Owner | Sell | 100,000 | $193,520 |
| 2026-09-10 | 8 Rivers Capital, LLC | 10% Owner | Sell | 100,000 | $193,520 |
| 2026-09-10 | NPEH, LLC | 10% Owner | Sell | 100,000 | $193,520 |
| 2026-09-10 | BEAUCHAMP DAMIAN R. | 10% Owner | Sell | 150,000 | $276,075 |
| 2026-09-10 | 8 Rivers Capital, LLC | 10% Owner | Sell | 150,000 | $276,075 |
| 2026-09-10 | NPEH, LLC | 10% Owner | Sell | 150,000 | $276,075 |
| 2026-08-31 | Alexander Ralph | Director | Buy | 71,770 | $0 |
| 2026-08-31 | Kelliher Joseph T | Director | Buy | 71,770 | $0 |
| 2026-08-31 | Veltmann Alejandra | Director | Buy | 71,770 | $0 |
| 2026-08-31 | PETERSON CAROL R. | Director | Buy | 71,770 | $0 |
| 2026-08-27 | BEAUCHAMP DAMIAN R. | 10% Owner | Sell | 41,350 | $79,078 |
| 2026-08-27 | 8 Rivers Capital, LLC | 10% Owner | Sell | 201,550 | $384,255 |
| 2026-08-27 | BEAUCHAMP DAMIAN R. | 10% Owner | Sell | 201,550 | $384,255 |
| 2026-08-27 | 8 Rivers Capital, LLC | 10% Owner | Sell | 41,350 | $79,078 |
| 2026-08-27 | NPEH, LLC | 10% Owner | Sell | 41,350 | $79,078 |
| 2026-08-27 | NPEH, LLC | 10% Owner | Sell | 201,550 | $384,255 |
| 2026-08-14 | NPEH, LLC | 10% Owner | Sell | 507,100 | $990,518 |
| 2026-08-14 | BEAUCHAMP DAMIAN R. | 10% Owner | Sell | 50,000 | $81,575 |
| 2026-08-14 | 8 Rivers Capital, LLC | 10% Owner | Sell | 50,000 | $81,575 |
| 2026-08-14 | NPEH, LLC | 10% Owner | Sell | 50,000 | $81,575 |
| 2026-08-14 | 8 Rivers Capital, LLC | 10% Owner | Sell | 200,000 | $323,840 |
| 2026-08-14 | NPEH, LLC | 10% Owner | Sell | 200,000 | $323,840 |
| 2026-08-14 | BEAUCHAMP DAMIAN R. | 10% Owner | Sell | 507,100 | $990,518 |
| 2026-08-14 | 8 Rivers Capital, LLC | 10% Owner | Sell | 507,100 | $990,518 |
| 2026-08-14 | BEAUCHAMP DAMIAN R. | 10% Owner | Sell | 200,000 | $323,840 |
来源：SEC Form 4 申报文件 · 截至 2026-09-10