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NPWR · Net Power Inc.
> Ask across nine datasets ⌘K
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TEAM-0.32% 13F +439META+3.01% 13F +2,694RCG-2.04% CLUSTERUTHR-4.03% 13F +425CRWV+4.49% 13F +693CRM+2.92% 13F +1,018CVNA-0.98% 13F +794TPL-0.71% 13F +444NET+4.32% 13F +710MSTR+17.56% 13F +526DELL+4.91% 13F +1,203CRWD+5.68% 13F +1,382ANET+1.22% 13F +1,323COIN+10.14% 13F +475TEAM-0.32% 13F +439META+3.01% 13F +2,694RCG-2.04% CLUSTERUTHR-4.03% 13F +425CRWV+4.49% 13F +693CRM+2.92% 13F +1,018CVNA-0.98% 13F +794TPL-0.71% 13F +444NET+4.32% 13F +710MSTR+17.56% 13F +526DELL+4.91% 13F +1,203CRWD+5.68% 13F +1,382ANET+1.22% 13F +1,323COIN+10.14% 13F +475
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NPWR

Net Power Inc.
SEMICONDUCTORS & ELECTRONICS · ELECTRICAL INDUSTRIAL APPARATUS · CIK 0001845437
SEC FILINGS☆ WATCH
INSIDER NET · 180D
-$8.7M
open-market buys minus sells, Form 4 codes P and S
INSIDER BUYERS · 180D
0
CONGRESS BUYERS · 1Y
0
FUNDS ADDED · QTR
69
13F, latest reported quarter
REVENUE GROWTH
-100.0%
XBRL, annual
NET MARGIN
-
SEVEN FACTS, RANKED AGAINST THE SECTOR · RANK IS NOT A FORECAST
INSIDERS
net -$8.7M over 180 days
-$6.6M over 90 days · -$8.7M of it by a 10%+ holder
below 60% of Semiconductors & Electronics
CONGRESS
no member of Congress has reported trading it
FUNDS
69 funds added or opened last quarter
below 62% of Semiconductors & Electronics
REVENUE
-100.0% year over year
the lowest in Semiconductors & Electronics
MARGIN
no margin: this company reports no revenue to divide by
BUYBACKS
no share repurchases reported
SHORT
4.0 days to cover · settled 2026-07-31
THE SITUATION · EVERY LINE IS ONE RULE OVER ONE DATASET
Insiders are net sellers: -$8.7M across 3 people in 180 days.
69 funds added or opened positions in the latest 13F quarter, of 136 holders.
The year, with the filings on it
Total return indexed to 100 over the last 12 months · every marker is a federal filing, placed at its date — hover any marker for the detail
TOTAL 12M RETURN -23.5%
-23.5%12M
-43%+6%+55%+104%2025-092025-102025-122026-032026-052026-072026-09 2025-10-29 · NPEH, LLC sold $3.2M2025-10-29 · BEAUCHAMP DAMIAN R. sold $3.2M2025-10-23 · NPEH, LLC sold $1.0M2025-10-23 · BEAUCHAMP DAMIAN R. sold $1.0M2026-08-14 · 8 Rivers Capital, LLC sold $990.5K2026-08-14 · NPEH, LLC sold $990.5K2026-05-12 · NPEH, LLC sold $976.0K2026-05-12 · BEAUCHAMP DAMIAN R. sold $976.0K2025-11-17 · NPEH, LLC sold $951.6K2025-11-17 · 8 Rivers Capital, LLC sold $951.6K2025-10-27 · NPEH, LLC sold $754.0K2025-10-27 · BEAUCHAMP DAMIAN R. sold $754.0K2025-10-20 · Beauchamp Cynda sold $719.6K2025-10-20 · NPEH, LLC sold $719.6K2025-10-21 · Beauchamp Cynda sold $668.2K2025-10-21 · NPEH, LLC sold $668.2K2025-11-19 · NPEH, LLC sold $642.5K2025-11-19 · 8 Rivers Capital, LLC sold $642.5K2026-01-16 · 8 Rivers Capital, LLC sold $604.9K2026-01-16 · NPEH, LLC sold $604.9K2025-10-15 · NPEH, LLC sold $598.5K2025-10-15 · BEAUCHAMP DAMIAN R. sold $598.5K2025-11-28 · BEAUCHAMP DAMIAN R. sold $588.0K2025-11-28 · NPEH, LLC sold $588.0K2025-10-15 · NPEH, LLC sold $483.0K2025-10-15 · BEAUCHAMP DAMIAN R. sold $483.0K2025-10-30 · NPEH, LLC sold $435.3K2025-10-30 · BEAUCHAMP DAMIAN R. sold $435.3K2025-12-08 · NPEH, LLC sold $393.4K2025-12-08 · 8 Rivers Capital, LLC sold $393.4K2026-08-25 · 8 Rivers Capital, LLC sold $384.3K2026-08-25 · NPEH, LLC sold $384.3K2025-12-24 · NPEH, LLC sold $375.7K2025-12-24 · BEAUCHAMP DAMIAN R. sold $375.7K2026-01-14 · 8 Rivers Capital, LLC sold $369.9K2026-01-14 · NPEH, LLC sold $369.9K2026-01-15 · 8 Rivers Capital, LLC sold $346.9K2026-01-15 · NPEH, LLC sold $346.9K2025-11-20 · NPEH, LLC sold $345.4K2025-11-20 · BEAUCHAMP DAMIAN R. sold $345.4K2026-08-13 · 8 Rivers Capital, LLC sold $323.8K2026-08-13 · NPEH, LLC sold $323.8K
INSIDER SELL
INDEXED RETURN, DIVIDEND-ADJUSTED — NOT A PRICE CHART · LARGE TRADES DRAWN FIRST WHEN A NAME FILES HEAVILY
Live price
Daily candles from TradingView, on their licence — no filings are marked on this one
WHY THIS NAME IS ON THE DESK
The complete filing record, in one place.
The record shows a net $8.7M sold by insiders over 180 days, 69 funds added last quarter. Every figure is a federal filing, dated the day it became public.
Backtest this pattern Open the screener
Same sector, ranked by filing activity
Sector from the SEC's own SIC classification
NVDACRDOVICRMPWRVPLMALABPIMTSIMUAIPAVGOMSI
Insider transactions
Form 4 purchases and sales (codes P and S) — grants, option exercises and preferred conversions excluded

Over the last 180 days, Net Power Inc. insiders sold a net $8.7M of stock across 195 Form 4 purchases and sales, with 0 insider(s) buying. Source: SEC Form 4 filings, as of 2026-09-05.

INSIDER
FILED
SHARES
VALUE
8 Rivers Capital, LLC
—
SELL
2026-08-26
41,350.0
$79.1K
NPEH, LLC
—
SELL
2026-08-26
41,350.0
$79.1K
8 Rivers Capital, LLC
—
SELL
2026-08-25
201,550.0
$384.3K
NPEH, LLC
—
SELL
2026-08-25
201,550.0
$384.3K
8 Rivers Capital, LLC
—
SELL
2026-08-14
507,100.0
$990.5K
195 TRANSACTIONS ON RECORD

Showing the most recent few. Create a free account to see 190 more transactions on record, the cross-source screener and CSV export. We store only your email address, and there is no password to create.

Institutional holders
13F · holdings as of the latest quarter funds have reported
Share Andrew L.
15,110,047.0 sh
$17.9M
HITE Hedge Asset Management LLC
2,852,670.0 sh
$4.8M
ADAGE CAPITAL PARTNERS GP, L.L.C.
2,840,000.0 sh
$4.7M
BlackRock, Inc.
2,416,294.0 sh
$4.0M
PEAK6 LLC
1,985,754.0 sh
$3.3M
SCHEDULE 13D/G
No 5%+ ownership filings
Nobody has crossed 5% with a filing obligation. Absence is a fact here, not missing data.
FORM 144
No planned-sale notices
No insider has notified an intent to sell. This is the panel to watch after a run-up.
Fund concentration
N-PORT · funds ranked by how much of THEMSELVES they put in this stock — the conviction number 13F cannot show
Bastion Energy ETF
$1.3M POSITION · AS OF 2026-02-27
4.1%
Shelton Sustainable Equity Fund
$386.0K POSITION · AS OF 2026-02-28
0.5%
Defiance AI and Power Infrastructure ETF
$767.7K POSITION · AS OF 2026-02-28
0.3%
Cohen & Steers Future of Energy Fund, Inc.
$310.4K POSITION · AS OF 2026-02-28
0.2%
EQ/Small Company Index Portfolio
$121.6K POSITION · AS OF 2026-03-31
0.0%
VANGUARD RUSSELL 2000 VALUE INDEX FUND
$47.4K POSITION · AS OF 2026-02-28
0.0%
SEC N-PORT, MONTHLY WITH A ~60-DAY PUBLIC LAG · FUNDS ≥ $10M · % = SHARE OF THE FUND'S OWN BOOK
Fundamentals
Annual figures from XBRL filings · pick a past date to see them exactly as the market knew them then — restatements and all
2025-122024-122023-122023-06
REVENUE$0$250.0K——
GROSS PROFIT$0$219.0K——
OPERATING INCOME$-1.8B$-181.3M——
NET INCOME$-578.6M$-49.2M——
EPS (DILUTED)-7.34-0.67——
OPERATING CASH FLOW$-120.8M$-31.6M——
CASH$199.4M$329.2M$536.9M$7.9M
SEC XBRL · FISCAL-YEAR PERIODS · AS KNOWN ON 2026-09-05 · NOBODY ELSE SHOWS FUNDAMENTALS AS OF A PAST DATE
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Public filings, honestly analyzed. Official US government sources in one desk — every figure carries the date it was filed, and the methodology is published, backtest included.

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