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NPWR · Net Power Inc.
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NPWR Net Power (NPWR) Insider Trading, Ownership & Congress Trades

Industrials · Electrical industrial apparatus · CIK 0001845437
Quote by TradingView
SEC filings
Insider buyers, 180 days
0
House members buying, 1 year
0
STOCK Act, US House only, disclosed up to 45 days after the trade
Funds added, last quarter
68
13F, latest reported quarter

What the filings say about NPWR

Insiders, 180 days
-$9.7M net sold
3 sellers · 0% of sales under a 10b5-1 plan

Net Power insider trades (Form 4)

Form 4 buys and sells (codes P and S). Grants, option exercises and conversions excluded.

Over the last 180 days, Net Power Inc. insiders sold a net $9.7M of stock across 198 Form 4 purchases and sales, with no insider buying. Source: SEC Form 4 filings, as of 2026-10-28.

Insider
Filed
Shares
Value
Since filing
NPEH, LLC
SELL
2026-09-10 SECtraded 2026-09-09
150,000
$276.1K
-51.6%
Context
  • 85 earlier Form 4 trades (code P or S) here by this insider (85 sales), the last on Sep 8, 2026.
  • The trade is 20.0% of the 750,000 shares held after it.
  • 1 other insider sold within 30 days.
  • 68 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Insider NPEH, LLC sold about $276.1K of NPWR on Sep 9, 2026; 1 other insider sold within 30 days and 68 funds added in the latest 13F quarter.
8 Rivers Capital, LLC
SELL
2026-09-10 SECtraded 2026-09-09
150,000
$276.1K
-51.6%
Context
  • 43 earlier Form 4 trades (code P or S) here by this insider (43 sales), the last on Sep 8, 2026.
  • The trade is 20.0% of the 750,000 shares held after it.
  • 1 other insider sold within 30 days.
  • 68 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Insider 8 Rivers Capital, LLC sold about $276.1K of NPWR on Sep 9, 2026; 1 other insider sold within 30 days and 68 funds added in the latest 13F quarter.
NPEH, LLC
SELL
2026-09-10 SECtraded 2026-09-08
100,000
$193.5K
-51.6%
Context
  • 84 earlier Form 4 trades (code P or S) here by this insider (84 sales), the last on Aug 26, 2026.
  • The trade is 11.1% of the 900,000 shares held after it.
  • 1 other insider sold within 30 days.
  • 68 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Insider NPEH, LLC sold about $193.5K of NPWR on Sep 8, 2026; 1 other insider sold within 30 days and 68 funds added in the latest 13F quarter.
8 Rivers Capital, LLC
SELL
2026-09-10 SECtraded 2026-09-08
100,000
$193.5K
-51.6%
Context
  • 42 earlier Form 4 trades (code P or S) here by this insider (42 sales), the last on Aug 26, 2026.
  • The trade is 11.1% of the 900,000 shares held after it.
  • 1 other insider sold within 30 days.
  • 68 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Insider 8 Rivers Capital, LLC sold about $193.5K of NPWR on Sep 8, 2026; 1 other insider sold within 30 days and 68 funds added in the latest 13F quarter.
8 Rivers Capital, LLC
SELL
2026-08-27 SECtraded 2026-08-26
41,350
$79.1K
-49.5%
Context
  • 41 earlier Form 4 trades (code P or S) here by this insider (41 sales), the last on Aug 25, 2026.
  • The trade is 4.1% of the 1,000,000 shares held after it.
  • 1 other insider sold within 30 days.
  • 68 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Insider 8 Rivers Capital, LLC sold about $79.1K of NPWR on Aug 26, 2026; 1 other insider sold within 30 days and 68 funds added in the latest 13F quarter.
198 transactions on record
Since filing: total return from the first close after the filing to the latest close, dividend-adjusted. Not a forecast.
Context lines are counts over the filings above and returns from our own price history, never a price level. Not investment advice.
See all insider buying · insider selling
Showing the latest few. to see 193 more transactions and use the screener and CSV export. We store only your email; there is no password.
Seven facts, ranked against the sector · Rank is not a forecast
Insiders
net -$9.7M over 180 days
-$6.6M over 90 days · -$9.7M of it by a 10%+ holder
below 76% of Industrials
Congress
no House purchase disclosed in the last 12 months
Funds
68 funds bought in last quarter
below 72% of Industrials
Revenue
-100.0% year over year
the lowest in Industrials
Margin
no margin: no revenue reported
Buybacks
no share repurchases reported
Short interest
6.7% of the float short (float per yahoo 2026-10-27) · 5.0 days to cover · settled 2026-10-15
What changed in the last 30 days
Nothing new filed in the last 30 days

Watch NPWR

A free account keeps a watchlist and can send one email a day when insiders, funds or Congress file on the names in it. No password and no card.

The year, with the filings on it
Total return over 12 months. Each marker is a filing; hover or tap one for the detail.
-74.2%12M
-75%-45%-14%+16%2025-102025-122026-022026-042026-062026-082026-10 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 $754.0K2025-11-19 · 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 $604.9K2025-11-28 · BEAUCHAMP DAMIAN R. sold $588.0K2025-11-28 · NPEH, LLC sold $588.0K2025-10-30 · 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 $323.8K2025-12-05 · NPEH, LLC sold $305.6K2025-12-05 · 8 Rivers Capital, LLC sold $305.6K2026-01-26 · BEAUCHAMP DAMIAN R. sold $305.5K2026-01-26 · NPEH, LLC sold $305.5K2026-02-12 · BEAUCHAMP DAMIAN R. sold $304.5K2026-02-12 · NPEH, LLC sold $304.5K2025-12-23 · NPEH, LLC sold $282.1K2025-12-23 · 8 Rivers Capital, LLC sold $282.1K
Insider sell
Indexed to 100, dividend-adjusted, not a price chart. When a name files heavily, the largest trades are drawn first.

Who owns NPWR: institutional holders (13F)

13F holdings, latest reported quarter
Share Andrew L.
15,110,047 sh
$17.9M
HITE Hedge Asset Management LLC
2,852,670 sh
$4.8M
ADAGE CAPITAL PARTNERS GP, L.L.C.
2,840,000 sh
$4.7M
BlackRock, Inc.
2,416,294 sh
$4.0M
PEAK6 LLC
1,985,754 sh
$3.3M

Congress trades in NPWR

No Congress trades reported
No House member has disclosed a trade in this stock. See what Congress is buying.

Activist and 5% holders (13D/13G)

No 5%+ ownership filings
Nobody has filed for crossing 5%. That is a fact, not missing data.

NPWR planned insider sales (Form 144)

No planned-sale notices
No insider has filed to sell. Watch this after a run-up.

NPWR mutual fund holders (N-PORT)

Funds ranked by the share of their own portfolio in this stock (N-PORT).
Shelton Sustainable Equity Fund
$402.0K position · as of 2026-05-31
0.6%
Defiance AI & Power Infrastructure ETF
$2.5M position · as of 2026-05-31
0.3%
Cohen & Steers Future of Energy Fund, Inc.
$323.2K position · as of 2026-05-31
0.2%
EQ/Small Company Index Portfolio
$143.6K position · as of 2026-06-30
0.0%
AQR Small Cap Multi-Style Fund
$27.1K position · as of 2026-06-30
0.0%
SIMT Small Cap Fund
$36.0K position · as of 2026-06-30
0.0%
SEC N-PORT, monthly, about 60 days late · funds ≥ $10M · % is the share of the fund's own portfolio
Live price
Daily candles from TradingView, under their licence. No filings marked.
Why this name is on the desk
The complete filing record, in one place.
The record shows a net $9.7M sold by insiders over 180 days, 68 funds added last quarter. Each figure is a federal filing, dated the day it went public.
Backtest this pattern Open the screener
Same sector, ranked by filing activity
Sector by SEC SIC code
AXONTMOROKPKOHOFLXXPELSYMLIIITRIWABSNASXI

NPWR financials

Revenue growth
-100.0%
XBRL, annual
Ratios from the company's XBRL filings, latest filings
Revenue, TTM
$0
four quarters, 2025-01-01 to 2025-12-31
Net margin, TTM
n/a
revenue under $1M, the ratio says nothing
Free cash flow, TTM
-$166.7M
operating cash flow minus capex, 2025-07-01 to 2026-06-30
Debt to equity
n/a
no debt line filed
Cash flow to debt
n/a
no debt line filed
Return on equity
-149.0%
TTM net income over average of 2025-06-30 and 2026-06-30
Return on assets
-49.0%
TTM net income over average of 2025-06-30 and 2026-06-30
Return on invested capital
n/a
tax provision or pre-tax income not filed for the four quarters
Return on capital employed
-142.2%
operating income (EBIT proxy) over average of 2025-06-30 and 2026-06-30 minus current liabilities
P/E, trailing
n/a
trailing loss, a multiple of a loss is not meaningful
Enterprise value
n/a
no share count filed
FCF yield
n/a
no share count filed
PEG, trailing
n/a
trailing loss, a multiple of a loss is not meaningful
Price as of 2026-10-26. Hover or tap a tile for its yearly and quarterly history.
Method
TTM is four consecutive fiscal quarters; Q4 is the year minus nine months when not filed. Returns use the average of opening and closing balances. EBIT is approximated by operating income. PEG uses trailing EPS growth.
Fundamentals
Annual figures from XBRL filings. Pick a past date to see them as known then.
2025-122024-122023-122023-06
Revenue$0$250.0Kn/an/a
Gross profit$0$219.0Kn/an/a
Operating income-$1.8B-$181.3Mn/an/a
Net income-$578.6M-$49.2Mn/an/a
EPS (diluted)-7.34-0.67n/an/a
Operating cash flow-$120.8M-$31.6Mn/an/a
Cash$199.4M$329.2M$536.9M$7.9M
SEC XBRL, fiscal years, as known on 2026-10-28

NPWR Stock Sonar score 5/7 axes

Find similar shapesCompare

NPWR ranks highest on risk and compliance (38th percentile) and institutional and government (19th), and lowest on growth (1st), among Industrials peers.

ProfitGrowthInsidersInstitutionsRisk
Profitability
5
Inputs
  • Return on equity-149.0% · 3 pct, sector of 198
  • Return on assets-49.0% · 9 pct, sector of 224
  • Return on invested capitaltax provision or pre-tax income not filed for the four quarters
  • Return on capital employed-142.2% · 3 pct, sector of 195
Growth
0
Inputs
  • Revenue growth, YoY-100.0% · 0 pct, sector of 254
  • Backlog growth, YoYno backlog line filed, or no year-earlier backlog
Insider conviction
11
Inputs
  • Net Form 4 buying (codes P and S), 180d-$9.7M · 21 pct, sector of 170
  • Insider buyers, 180d0 · 0 pct, sector of 172
Institutional and government
19
Inputs
  • Funds adding, latest quarter68 · 28 pct, sector of 201
  • Congress net buyers, 365dno Congress trades in 365 days
  • Federal contracts, 180dno federal contracts in 180 days
  • Lobbying spend, 4 quarters$70K · 9 pct, sector of 67
Risk and compliance
38
Inputs
  • Short interest, % of float+6.4% · 31 pct, sector of 269
  • Recalls per $1B revenue, 3yrevenue under $50M or not filed, so a count cannot be scaled to size
  • EPA cases per $1B revenue, 5yrevenue under $50M or not filed, so a count cannot be scaled to size
  • New text in Risk Factors, latest 10-K+12.3% · 44 pct, sector of 197
2 not measured: Financial health, US patents
  • Financial health needs 1 of 2 inputs, 0 present: no debt line filed
  • US patents needs 1 of 2 inputs, 0 present: patent data not loaded yet

5 of 7 axes scored. Each is a percentile against sector peers (all companies when the sector is thin); higher is better. An unscored axis is unmeasured, not low. How it is scored

NPWR filings, in plain words

Are Net Power insiders buying or selling NPWR?

In the 180 days to 2026-10-28, Net Power insiders were net sellers, a net $9.7M across purchases and sales reported on Form 4, by 3 sellers.

Read the full summary

In the 180 days to 2026-10-28, Net Power insiders were net sellers of NPWR, a net $9.7M across purchases and sales reported on Form 4 by 3 sellers. Most of that figure, $9.7M, came from a holder of 10% or more rather than an officer or director. None of the 42 insider sales was flagged as made under a Rule 10b5-1 plan. Each figure is counted from SEC and House filings as of 2026-10-28, dated the day the filing was made public.

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