Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
Common stock purchase or sale:
| Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
| 2026-09-08 Sale | 2026-09-10 6:01 pm | Net Power Inc. | NPWR | 8 Rivers Capital LLC BEAUCHAMP DAMIAN R. 10% Owner | 250,000 | $1.8784 | $469,595 | 750,000 (Indirect) | View |
| 2026-09-08 Sale | 2026-09-10 6:00 pm | Net Power Inc. | NPWR | NPEH LLC 10% Owner | 250,000 | $1.8784 | $469,595 | 750,000 (Direct) | View |
| 2026-08-25 Sale | 2026-08-27 6:02 pm | Net Power Inc. | NPWR | NPEH LLC 10% Owner | 242,900 | $1.9075 | $463,333 | 1,000,000 (Direct) | View |
| 2026-08-25 Sale | 2026-08-27 6:00 pm | Net Power Inc. | NPWR | 8 Rivers Capital LLC BEAUCHAMP DAMIAN R. 10% Owner | 242,900 | $1.9075 | $463,333 | 1,000,000 (Indirect) | View |
| 2026-08-12 Sale | 2026-08-14 6:01 pm | Net Power Inc. | NPWR | NPEH LLC 10% Owner | 757,100 | $1.8438 | $1,395,933 | 1,242,900 (Direct) | View |
| 2026-08-12 Sale | 2026-08-14 6:00 pm | Net Power Inc. | NPWR | 8 Rivers Capital LLC BEAUCHAMP DAMIAN R. 10% Owner | 757,100 | $1.8438 | $1,395,933 | 1,242,900 (Indirect) | View |
| 2026-08-07 Sale | 2026-08-11 6:00 pm | Net Power Inc. | NPWR | NPEH LLC 10% Owner | 150,745 | $1.5533 | $234,145 | 2,000,000 (Direct) | View |
| 2026-08-07 Sale | 2026-08-11 6:00 pm | Net Power Inc. | NPWR | 8 Rivers Capital LLC BEAUCHAMP DAMIAN R. 10% Owner | 150,745 | $1.5533 | $234,145 | 2,000,000 (Indirect) | View |
| 2026-08-04 Sale | 2026-08-06 6:02 pm | NET Power Inc. | NPWR | 8 Rivers Capital LLC BEAUCHAMP DAMIAN R. 10% Owner | 349,255 | $1.5193 | $530,620 | 2,150,745 (Indirect) | View |
| 2026-08-04 Sale | 2026-08-06 6:01 pm | NET Power Inc. | NPWR | NPEH LLC 10% Owner | 349,255 | $1.5193 | $530,620 | 2,150,745 (Direct) | View |
| 2026-07-28 Sale | 2026-07-30 6:00 pm | NET Power Inc. | NPWR | NPEH LLC 10% Owner | 255,858 | $1.4342 | $366,959 | 2,500,000 (Direct) | View |
| 2026-07-28 Sale | 2026-07-30 6:00 pm | NET Power Inc. | NPWR | 8 Rivers Capital LLC BEAUCHAMP DAMIAN R. 10% Owner | 255,858 | $1.4342 | $366,959 | 2,500,000 (Indirect) | View |
| 2026-07-21 Sale | 2026-07-23 7:40 pm | NET Power Inc. | NPWR | 8 Rivers Capital LLC BEAUCHAMP DAMIAN R. 10% Owner | 209,142 | $1.5238 | $318,693 | 2,755,858 (Indirect) | View |
| 2026-07-21 Sale | 2026-07-23 7:37 pm | NET Power Inc. | NPWR | NPEH LLC 10% Owner | 209,142 | $1.5238 | $318,693 | 2,755,858 (Direct) | View |
| 2026-05-12 Sale | 2026-05-14 6:00 pm | NET Power Inc. | NPWR | NPEH LLC 10% Owner | 435,000 | $2.4384 | $1,060,712 | 2,965,000 (Direct) | View |
| 2026-05-12 Sale | 2026-05-14 6:00 pm | NET Power Inc. | NPWR | 8 Rivers Capital LLC BEAUCHAMP DAMIAN R. 10% Owner | 435,000 | $2.4384 | $1,060,712 | 2,965,000 (Indirect) | View |
| 2026-03-03 Sale | 2026-03-05 6:16 pm | NET Power Inc. | NPWR | NPEH LLC 10% Owner | 100,000 | $2.0425 | $204,250 | 400,000 (Direct) | View |
| 2026-03-03 Sale | 2026-03-05 6:15 pm | NET Power Inc. | NPWR | 8 Rivers Capital LLC BEAUCHAMP DAMIAN R. 10% Owner | 100,000 | $2.0425 | $204,250 | 400,000 (Indirect) | View |
| 2026-02-26 Sale | 2026-03-02 6:01 pm | NET Power Inc. | NPWR | NPEH LLC 10% Owner | 86,483 | $2.0469 | $177,024 | 500,000 (Direct) | View |
| 2026-02-26 Sale | 2026-03-02 6:00 pm | NET Power Inc. | NPWR | 8 Rivers Capital LLC BEAUCHAMP DAMIAN R. 10% Owner | 86,483 | $2.0469 | $177,024 | 500,000 (Indirect) | View |
| 2026-02-19 Sale | 2026-02-23 6:01 pm | NET Power Inc. | NPWR | NPEH LLC 10% Owner | 188,517 | $2.1052 | $396,869 | 586,483 (Direct) | View |
| 2026-02-19 Sale | 2026-02-23 6:00 pm | NET Power Inc. | NPWR | 8 Rivers Capital LLC BEAUCHAMP DAMIAN R. 10% Owner | 188,517 | $2.1052 | $396,869 | 586,483 (Indirect) | View |
| 2026-02-13 Sale | 2026-02-18 6:44 pm | NET Power Inc. | NPWR | 8 Rivers Capital LLC BEAUCHAMP DAMIAN R. 10% Owner | 175,000 | $2.1105 | $369,330 | 775,000 (Indirect) | View |
| 2026-02-13 Sale | 2026-02-18 6:43 pm | NET Power Inc. | NPWR | NPEH LLC 10% Owner | 175,000 | $2.1105 | $369,330 | 775,000 (Direct) | View |
| 2026-02-10 Sale | 2026-02-12 6:25 pm | NET Power Inc. | NPWR | 8 Rivers Capital LLC BEAUCHAMP DAMIAN R. 10% Owner | 250,000 | $2.0367 | $509,167 | 950,000 (Indirect) | View |
| 2026-02-10 Sale | 2026-02-12 6:24 pm | NET Power Inc. | NPWR | NPEH LLC 10% Owner | 250,000 | $2.0367 | $509,167 | 950,000 (Direct) | View |
| 2026-01-29 Sale | 2026-02-02 5:10 pm | NET Power Inc. | NPWR | NPEH LLC 10% Owner | 54,780 | $2.3485 | $128,651 | 1,200,000 (Direct) | View |
| 2026-01-29 Sale | 2026-02-02 5:08 pm | NET Power Inc. | NPWR | 8 Rivers Capital LLC BEAUCHAMP DAMIAN R. 10% Owner | 54,780 | $2.3485 | $128,651 | 1,200,000 (Indirect) | View |
| 2026-01-26 Sale | 2026-01-28 6:00 pm | NET Power Inc. | NPWR | 8 Rivers Capital LLC BEAUCHAMP DAMIAN R. 10% Owner | 295,220 | $2.3709 | $699,926 | 1,254,780 (Indirect) | View |
| 2026-01-26 Sale | 2026-01-28 6:00 pm | NET Power Inc. | NPWR | NPEH LLC 10% Owner | 295,220 | $2.3709 | $699,926 | 1,254,780 (Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2026-04-13 Option Award | 2026-10-08 4:30 pm | N/A N/A | Net Power Inc. | NPWR | Shuman Ned Leland Chief Financial Officer | 529,801 | $0 | 529,801 (Direct) | View |
| 2026-06-03 Option Award | 2026-08-31 07:34 am | N/A N/A | Net Power Inc. | NPWR | Veltmann Alejandra Director | 71,770 | $0 | 176,151 (Direct) | View |
| 2026-06-03 Option Award | 2026-08-31 07:34 am | N/A N/A | Net Power Inc. | NPWR | PETERSON CAROL R. Director | 71,770 | $0 | 176,151 (Direct) | View |
| 2026-06-03 Option Award | 2026-08-31 07:33 am | N/A N/A | Net Power Inc. | NPWR | Kelliher Joseph T Director | 71,770 | $0 | 176,151 (Direct) | View |
| 2026-06-03 Option Award | 2026-08-31 07:33 am | N/A N/A | Net Power Inc. | NPWR | Alexander Ralph Director | 71,770 | $0 | 176,151 (Direct) | View |
Ownership | 2026-05-27 9:54 pm | N/A N/A | NET Power Inc. | NPWR | Shuman Ned Leland Chief Financial Officer | 0 | $0 | 529,801 (Direct) | View |
| 2026-03-06 Conversion(A) | 2026-05-13 4:23 pm | N/A N/A | NET Power Inc. | NPWR | NPEH LLC 10% Owner | 3,000,000 | $0 | 38,459,760 (Direct) | View |
| 2026-03-06 Other(A) | 2026-05-13 4:23 pm | N/A N/A | NET Power Inc. | NPWR | NPEH LLC 10% Owner | 3,000,000 | $0 | 38,459,760 (Direct) | View |
| 2026-03-06 Conversion(A) | 2026-05-13 4:22 pm | N/A N/A | NET Power Inc. | NPWR | 8 Rivers Capital LLC BEAUCHAMP DAMIAN R. 10% Owner | 3,000,000 | $0 | 38,459,760 (Indirect) | View |
| 2026-03-06 Other(A) | 2026-05-13 4:22 pm | N/A N/A | NET Power Inc. | NPWR | 8 Rivers Capital LLC BEAUCHAMP DAMIAN R. 10% Owner | 3,000,000 | $0 | 38,459,760 (Indirect) | View |
| 2026-03-06 Conversion | 2026-03-10 6:02 pm | N/A N/A | NET Power Inc. | NPWR | 8 Rivers Capital LLC BEAUCHAMP DAMIAN R. 10% Owner | 3,000,000 | $0 | 20,729,880 (Indirect) | View |
| 2026-03-06 Other | 2026-03-10 6:02 pm | N/A N/A | NET Power Inc. | NPWR | 8 Rivers Capital LLC BEAUCHAMP DAMIAN R. 10% Owner | 3,000,000 | $0 | 20,729,880 (Indirect) | View |
| 2026-03-06 Conversion | 2026-03-10 6:01 pm | N/A N/A | NET Power Inc. | NPWR | NPEH LLC 10% Owner | 3,000,000 | $0 | 20,729,880 (Direct) | View |
| 2026-03-06 Other | 2026-03-10 6:01 pm | N/A N/A | NET Power Inc. | NPWR | NPEH LLC 10% Owner | 3,000,000 | $0 | 20,729,880 (Direct) | View |