Insider · CIK 0001981772
Npeh, LLC
Files at NPWR (Net Power Inc.). First filing Oct 11, 2024, latest Sep 10, 2026.
In brief
Npeh, LLC files SEC Form 4 as 10% owner at NPWR (Net Power Inc.). Since Oct 11, 2024, Npeh, LLC has reported 0 open-market buys worth $0 and 32 open-market sells worth $45M, the latest filed on Sep 10, 2026.
A track record needs three past buys with six months of prices behind them; Npeh, LLC has 0, so none is measured yet.
The newest scored trade: sold $470k of NPWR on Sep 8, 2026, filed Sep 10, 2026, scored 47 (moderate). In the last 12 months: 0 buys worth $0 and 28 sells worth $22M.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
NPWR: Net Power Inc.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 47Moderate | Net Power Inc. | $470k 250,000 shares | -25% | +40% from low-61% from high | |
| 42Moderate | Net Power Inc. | $463k 242,900 shares | -20% | +43% from low-60% from high | |
| 55Moderate | Net Power Inc. | $1.4M 757,100 shares | -38% | +20% from low-66% from high | |
| 33Weak | Net Power Inc. | $234k 150,745 shares | -7% | +12% from low-69% from high | |
| 43Moderate | Net Power Inc. | $531k 349,255 shares | -14% | +13% from low-68% from high | |
| 35Weak | Net Power Inc. | $367k 255,858 shares | -9% | +1% from low-71% from high | |
| 34Weak | Net Power Inc. | $319k 209,142 shares | -7% | +6% from low-68% from high | |
| 50Moderate | Net Power Inc. | $1.1M 435,000 shares | -13% | +66% from low-49% from high | |
| 37Weak | Net Power Inc. | $204k 100,000 shares | -20% | +35% from low-71% from high | |
| 37Weak | Net Power Inc. | $177k 86,483 shares | -15% | +31% from low-74% from high | |
| 41Moderate | Net Power Inc. | $397k 188,517 shares | -24% | +45% from low-73% from high | |
| 40Moderate | Net Power Inc. | $369k 175,000 shares | -18% | +42% from low-74% from high | |
| 43Moderate | Net Power Inc. | $509k 250,000 shares | -21% | +35% from low-76% from high | |
| 31Weak | Net Power Inc. | $129k 54,780 shares | -4% | +60% from low-72% from high | |
| 46Moderate | Net Power Inc. | $700k 295,220 shares | -19% | +57% from low-73% from high | |
| 50Moderate | Net Power Inc. | $1.3M 500,000 shares | -24% | +83% from low-73% from high | |
| 36Weak | Net Power Inc. | $376k 170,000 shares | -8% | +48% from low-80% from high | |
| 46Moderate | Net Power Inc. | $742k 330,000 shares | -13% | +55% from low-79% from high | |
| 30Weak | Net Power Inc. | $113k 40,000 shares | -2% | +86% from low-75% from high | |
| 48Moderate | Net Power Inc. | $890k 310,000 shares | -11% | +95% from low-74% from high | |
| 39Weak | Net Power Inc. | $587k 200,000 shares | -6% | +93% from low-77% from high | |
| 36Weak | Net Power Inc. | $388k 150,000 shares | -5% | +63% from low-82% from high | |
| 50Moderate | Net Power Inc. | $1.6M 588,653 shares | -15% | +85% from low-79% from high | |
| 37Weak | Net Power Inc. | $107k 26,593 shares | -1% | +155% from low-71% from high | |
| 62Notable | Net Power Inc. | $3.7M 902,171 shares | -33% | +130% from low-74% from high | |
| 57Moderate | Net Power Inc. | $1.9M 516,683 shares | -16% | +139% from low-73% from high | |
| 57Moderate | Net Power Inc. | $1.7M 479,300 shares | -13% | +135% from low-74% from high | |
| 45Moderate | Net Power Inc. | $1.1M 236,600 shares | -6% | +223% from low-64% from high | |
| 72Notable | Net Power Inc. | $5.5M 431,009 shares | -100% | - | |
| 72Notable | Net Power Inc. | $11M 829,411 shares | -66% | - | |
| 65Notable | Net Power Inc. | $5.1M 716,987 shares | -100% | - | |
| 55Moderate | Net Power Inc. | $1.7M 243,091 shares | -25% | - |
Transactions
The newest 50 of 87 rows this insider has filed.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Sep 8, 2026 | NPWR Net Power Inc. | SOpen-market sale Class A Common Stock | -100,000 | $1.94 | $194k | 900,000 | 33 d ago |
| Sep 9, 2026 | NPWR Net Power Inc. | SOpen-market sale Class A Common Stock | -150,000 | $1.84 | $276k | 750,000 | 33 d ago |
| Aug 25, 2026 | NPWR Net Power Inc. | SOpen-market sale Class A Common Stock | -201,550 | $1.91 | $384k | 1,041,350 | Aug 27, 2026 |
| Aug 26, 2026 | NPWR Net Power Inc. | SOpen-market sale Class A Common Stock | -41,350 | $1.91 | $79k | 1,000,000 | Aug 27, 2026 |
| Aug 12, 2026 | NPWR Net Power Inc. | SOpen-market sale Class A Common Stock | -50,000 | $1.63 | $82k | 1,950,000 | Aug 14, 2026 |
| Aug 13, 2026 | NPWR Net Power Inc. | SOpen-market sale Class A Common Stock | -200,000 | $1.62 | $324k | 1,750,000 | Aug 14, 2026 |
| Aug 14, 2026 | NPWR Net Power Inc. | SOpen-market sale Class A Common Stock | -507,100 | $1.95 | $991k | 1,242,900 | Aug 14, 2026 |
| Aug 7, 2026 | NPWR Net Power Inc. | SOpen-market sale Class A Common Stock | -60,345 | $1.53 | $92k | 2,090,400 | Aug 11, 2026 |
| Aug 10, 2026 | NPWR Net Power Inc. | SOpen-market sale Class A Common Stock | -55,400 | $1.55 | $86k | 2,035,000 | Aug 11, 2026 |
| Aug 11, 2026 | NPWR Net Power Inc. | SOpen-market sale Class A Common Stock | -35,000 | $1.60 | $56k | 2,000,000 | Aug 11, 2026 |
| Aug 4, 2026 | NPWR Net Power Inc. | SOpen-market sale Class A Common Stock | -120,000 | $1.54 | $185k | 2,380,000 | Aug 6, 2026 |
| Aug 5, 2026 | NPWR Net Power Inc. | SOpen-market sale Class A Common Stock | -140,000 | $1.51 | $211k | 2,240,000 | Aug 6, 2026 |
| Aug 6, 2026 | NPWR Net Power Inc. | SOpen-market sale Class A Common Stock | -89,255 | $1.51 | $134k | 2,150,745 | Aug 6, 2026 |
| Jul 28, 2026 | NPWR Net Power Inc. | SOpen-market sale Class A Common Stock | -55,858 | $1.47 | $82k | 2,700,000 | Jul 30, 2026 |
| Jul 29, 2026 | NPWR Net Power Inc. | SOpen-market sale Class A Common Stock | -45,000 | $1.41 | $63k | 2,655,000 | Jul 30, 2026 |
| Jul 30, 2026 | NPWR Net Power Inc. | SOpen-market sale Class A Common Stock | -155,000 | $1.43 | $221k | 2,500,000 | Jul 30, 2026 |
| Jul 21, 2026 | NPWR Net Power Inc. | SOpen-market sale Class A Common Stock | -80,000 | $1.53 | $122k | 2,885,000 | Jul 23, 2026 |
| Jul 22, 2026 | NPWR Net Power Inc. | SOpen-market sale Class A Common Stock | -90,000 | $1.53 | $137k | 2,795,000 | Jul 23, 2026 |
| Jul 23, 2026 | NPWR Net Power Inc. | SOpen-market sale Class A Common Stock | -39,142 | $1.51 | $59k | 2,755,858 | Jul 23, 2026 |
| May 12, 2026 | NPWR Net Power Inc. | SOpen-market sale Class A Common Stock | -400,000 | $2.44 | $976k | 3,000,000 | May 14, 2026 |
| May 13, 2026 | NPWR Net Power Inc. | SOpen-market sale Class A Common Stock | -35,000 | $2.43 | $85k | 2,965,000 | May 14, 2026 |
| Mar 6, 2026 | NPWR Net Power Inc. | CConversion Class A Common Stock | +3,000,000 | - | - | 3,400,000 | May 13, 2026 |
| Mar 6, 2026 | NPWR Net Power Inc. | JOther Class B Common Stock | -3,000,000 | - | - | 17,729,880 | May 13, 2026 |
| Mar 6, 2026 | NPWR Net Power Inc. | CConversion Class A Units of NET Power Operations LLCderivative | -3,000,000 | - | - | 17,729,880 | May 13, 2026 |
| Mar 6, 2026 | NPWR Net Power Inc. | CConversion Class A Common Stock | +3,000,000 | - | - | 3,400,000 | Mar 10, 2026 |
| Mar 6, 2026 | NPWR Net Power Inc. | JOther Class B Common Stock | -3,000,000 | - | - | 17,729,880 | Mar 10, 2026 |
| Mar 3, 2026 | NPWR Net Power Inc. | SOpen-market sale Class A Common Stock | -100,000 | $2.04 | $204k | 400,000 | Mar 5, 2026 |
| Feb 26, 2026 | NPWR Net Power Inc. | SOpen-market sale Class A Common Stock | -1,881 | $2.00 | $3,762 | 584,602 | Mar 2, 2026 |
| Feb 27, 2026 | NPWR Net Power Inc. | SOpen-market sale Class A Common Stock | -4,744 | $2.00 | $9,489 | 579,858 | Mar 2, 2026 |
| Mar 2, 2026 | NPWR Net Power Inc. | SOpen-market sale Class A Common Stock | -79,858 | $2.05 | $164k | 500,000 | Mar 2, 2026 |
| Feb 19, 2026 | NPWR Net Power Inc. | SOpen-market sale Class A Common Stock | -125,000 | $2.14 | $268k | 650,000 | Feb 23, 2026 |
| Feb 20, 2026 | NPWR Net Power Inc. | SOpen-market sale Class A Common Stock | -63,517 | $2.03 | $129k | 586,483 | Feb 23, 2026 |
| Feb 13, 2026 | NPWR Net Power Inc. | SOpen-market sale Class A Common Stock | -100,000 | $2.14 | $214k | 850,000 | Feb 18, 2026 |
| Feb 18, 2026 | NPWR Net Power Inc. | SOpen-market sale Class A Common Stock | -75,000 | $2.07 | $155k | 775,000 | Feb 18, 2026 |
| Feb 10, 2026 | NPWR Net Power Inc. | SOpen-market sale Class A Common Stock | -40,000 | $2.08 | $83k | 1,160,000 | Feb 12, 2026 |
| Feb 11, 2026 | NPWR Net Power Inc. | SOpen-market sale Class A Common Stock | -60,000 | $2.02 | $121k | 1,100,000 | Feb 12, 2026 |
| Feb 12, 2026 | NPWR Net Power Inc. | SOpen-market sale Class A Common Stock | -150,000 | $2.03 | $305k | 950,000 | Feb 12, 2026 |
| Jan 29, 2026 | NPWR Net Power Inc. | SOpen-market sale Class A Common Stock | -54,780 | $2.35 | $129k | 1,200,000 | Feb 2, 2026 |
| Jan 26, 2026 | NPWR Net Power Inc. | SOpen-market sale Class A Common Stock | -130,000 | $2.35 | $306k | 1,420,000 | Jan 28, 2026 |
| Jan 27, 2026 | NPWR Net Power Inc. | SOpen-market sale Class A Common Stock | -100,000 | $2.38 | $238k | 1,320,000 | Jan 28, 2026 |
| Jan 28, 2026 | NPWR Net Power Inc. | SOpen-market sale Class A Common Stock | -65,220 | $2.38 | $155k | 1,254,780 | Jan 28, 2026 |
| Jan 14, 2026 | NPWR Net Power Inc. | SOpen-market sale Class A Common Stock | -135,000 | $2.74 | $370k | 1,915,000 | Jan 16, 2026 |
| Jan 15, 2026 | NPWR Net Power Inc. | SOpen-market sale Class A Common Stock | -135,000 | $2.57 | $347k | 1,780,000 | Jan 16, 2026 |
| Jan 16, 2026 | NPWR Net Power Inc. | SOpen-market sale Class A Common Stock | -230,000 | $2.63 | $605k | 1,550,000 | Jan 16, 2026 |
| Dec 24, 2025 | NPWR Net Power Inc. | SOpen-market sale Class A Common Stock | -170,000 | $2.21 | $376k | 2,050,000 | Dec 29, 2025 |
| Dec 19, 2025 | NPWR Net Power Inc. | SOpen-market sale Class A Common Stock | -100,000 | $2.34 | $234k | 2,450,000 | Dec 23, 2025 |
| Dec 22, 2025 | NPWR Net Power Inc. | SOpen-market sale Class A Common Stock | -100,000 | $2.26 | $226k | 2,350,000 | Dec 23, 2025 |
| Dec 23, 2025 | NPWR Net Power Inc. | SOpen-market sale Class A Common Stock | -130,000 | $2.17 | $282k | 2,220,000 | Dec 23, 2025 |
| Dec 9, 2025 | NPWR Net Power Inc. | SOpen-market sale Class A Common Stock | -40,000 | $2.82 | $113k | 2,550,000 | Dec 11, 2025 |
| Dec 4, 2025 | NPWR Net Power Inc. | SOpen-market sale Class A Common Stock | -65,000 | $2.94 | $191k | 2,835,000 | Dec 8, 2025 |
Questions about Npeh, LLC
Answered from the filings on this page, as of the latest one.
Is Npeh, LLC buying or selling?
In the last 12 months Npeh, LLC reported 0 open-market buys worth $0 and 28 open-market sells worth $22M on SEC Form 4; the latest was sold $470k of NPWR on Sep 8, 2026. Grants, option exercises and tax withholding are not counted.
How did Npeh, LLC's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Npeh, LLC has 0.
Where does Npeh, LLC file Form 4?
Npeh, LLC has filed Form 4 at NPWR (Net Power Inc.). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.