NPWR

NET Power Inc.

Insider trading activity for NET Power Inc., straight from SEC Form 4 filings. Net figures below count open-market buys and sales only — grants, option exercises and tax withholding are excluded because they are compensation, not decisions to trade.

Past 3 months

-$2.9M

net selling

Bought(0 · 0 insiders): $0
Sold(24 · 2 insiders): $2.9M

Past 6 months

-$5M

net selling

Bought(0 · 0 insiders): $0
Sold(28 · 2 insiders): $5M

Past 12 months

-$5M

net selling

Bought(0 · 0 insiders): $0
Sold(28 · 2 insiders): $5M

Transaction history

The 34 most recent Form 4 transactions.

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Date	Insider	Role	Type	Shares	Price	Value	Δ Own	Filing
Aug 11	8 Rivers Capital, LLC	10% Owner	SSELL	35,000	$1.60	$56K	-1.7%	Open the original filing on SEC.gov
Aug 11	Npeh, Llc	10% Owner	SSELL	35,000	$1.60	$56K	-1.7%	Open the original filing on SEC.gov
Aug 10	8 Rivers Capital, LLC	10% Owner	SSELL	55,400	$1.55	$86.1K	-2.6%	Open the original filing on SEC.gov
Aug 10	Npeh, Llc	10% Owner	SSELL	55,400	$1.55	$86.1K	-2.6%	Open the original filing on SEC.gov
Aug 7	8 Rivers Capital, LLC	10% Owner	SSELL	60,345	$1.53	$92.1K	-2.8%	Open the original filing on SEC.gov
Aug 7	Npeh, Llc	10% Owner	SSELL	60,345	$1.53	$92.1K	-2.8%	Open the original filing on SEC.gov
Aug 6	Npeh, Llc	10% Owner	SSELL	89,255	$1.51	$134.4K	-4.0%	Open the original filing on SEC.gov
Aug 6	8 Rivers Capital, LLC	10% Owner	SSELL	89,255	$1.51	$134.4K	-4.0%	Open the original filing on SEC.gov
Aug 5	Npeh, Llc	10% Owner	SSELL	140,000	$1.51	$211.5K	-5.9%	Open the original filing on SEC.gov
Aug 5	8 Rivers Capital, LLC	10% Owner	SSELL	140,000	$1.51	$211.5K	-5.9%	Open the original filing on SEC.gov
Aug 4	Npeh, Llc	10% Owner	SSELL	120,000	$1.54	$184.7K	-4.8%	Open the original filing on SEC.gov
Aug 4	8 Rivers Capital, LLC	10% Owner	SSELL	120,000	$1.54	$184.7K	-4.8%	Open the original filing on SEC.gov
Jul 30	Npeh, Llc	10% Owner	SSELL	155,000	$1.43	$221.4K	-5.8%	Open the original filing on SEC.gov
Jul 30	8 Rivers Capital, LLC	10% Owner	SSELL	155,000	$1.43	$221.4K	-5.8%	Open the original filing on SEC.gov
Jul 29	Npeh, Llc	10% Owner	SSELL	45,000	$1.41	$63.3K	-1.7%	Open the original filing on SEC.gov
Jul 29	8 Rivers Capital, LLC	10% Owner	SSELL	45,000	$1.41	$63.3K	-1.7%	Open the original filing on SEC.gov
Jul 28	Npeh, Llc	10% Owner	SSELL	55,858	$1.47	$82.2K	-2.0%	Open the original filing on SEC.gov
Jul 28	8 Rivers Capital, LLC	10% Owner	SSELL	55,858	$1.47	$82.2K	-2.0%	Open the original filing on SEC.gov
Jul 23	Npeh, Llc	10% Owner	SSELL	39,142	$1.51	$59K	-1.4%	Open the original filing on SEC.gov
Jul 23	8 Rivers Capital, LLC	10% Owner	SSELL	39,142	$1.51	$59K	-1.4%	Open the original filing on SEC.gov
Jul 22	Npeh, Llc	10% Owner	SSELL	90,000	$1.53	$137.3K	-3.1%	Open the original filing on SEC.gov
Jul 22	8 Rivers Capital, LLC	10% Owner	SSELL	90,000	$1.53	$137.3K	-3.1%	Open the original filing on SEC.gov
Jul 21	Npeh, Llc	10% Owner	SSELL	80,000	$1.53	$122.4K	-2.7%	Open the original filing on SEC.gov
Jul 21	8 Rivers Capital, LLC	10% Owner	SSELL	80,000	$1.53	$122.4K	-2.7%	Open the original filing on SEC.gov
May 13	Npeh, Llc	10% Owner	SSELL	35,000	$2.43	$85.2K	-1.2%	Open the original filing on SEC.gov
May 13	8 Rivers Capital, LLC	10% Owner	SSELL	35,000	$2.43	$85.2K	-1.2%	Open the original filing on SEC.gov
May 12	Npeh, Llc	10% Owner	SSELL	400,000	$2.44	$975.6K	-11.8%	Open the original filing on SEC.gov
May 12	8 Rivers Capital, LLC	10% Owner	SSELL	400,000	$2.44	$975.6K	-11.8%	Open the original filing on SEC.gov
Mar 6	Npeh, Llc	10% Owner	CCONV◆↺	3M	—	—	—	Open the original filing on SEC.gov
Mar 6	Npeh, Llc	10% Owner	JOTHER↺	3M	—	—	-14.5%	Open the original filing on SEC.gov
Mar 6	Npeh, Llc	10% Owner	CCONV↺	3M	—	—	+750.0%	Open the original filing on SEC.gov
Mar 6	8 Rivers Capital, LLC	10% Owner	CCONV◆↺	3M	—	—	—	Open the original filing on SEC.gov
Mar 6	8 Rivers Capital, LLC	10% Owner	JOTHER↺	3M	—	—	-14.5%	Open the original filing on SEC.gov
Mar 6	8 Rivers Capital, LLC	10% Owner	CCONV↺	3M	—	—	+750.0%	Open the original filing on SEC.gov

SSELL$56K

8 Rivers Capital, LLC · 10% OwnerAug 11

35,000 sh @ $1.60 · -1.7% own

SSELL$56K

Npeh, Llc · 10% OwnerAug 11

35,000 sh @ $1.60 · -1.7% own

SSELL$86.1K

8 Rivers Capital, LLC · 10% OwnerAug 10

55,400 sh @ $1.55 · -2.6% own

SSELL$86.1K

Npeh, Llc · 10% OwnerAug 10

55,400 sh @ $1.55 · -2.6% own

SSELL$92.1K

8 Rivers Capital, LLC · 10% OwnerAug 7

60,345 sh @ $1.53 · -2.8% own

SSELL$92.1K

Npeh, Llc · 10% OwnerAug 7

60,345 sh @ $1.53 · -2.8% own

SSELL$134.4K

Npeh, Llc · 10% OwnerAug 6

89,255 sh @ $1.51 · -4.0% own

SSELL$134.4K

8 Rivers Capital, LLC · 10% OwnerAug 6

89,255 sh @ $1.51 · -4.0% own

SSELL$211.5K

Npeh, Llc · 10% OwnerAug 5

140,000 sh @ $1.51 · -5.9% own

SSELL$211.5K

8 Rivers Capital, LLC · 10% OwnerAug 5

140,000 sh @ $1.51 · -5.9% own

SSELL$184.7K

Npeh, Llc · 10% OwnerAug 4

120,000 sh @ $1.54 · -4.8% own

SSELL$184.7K

8 Rivers Capital, LLC · 10% OwnerAug 4

120,000 sh @ $1.54 · -4.8% own

SSELL$221.4K

Npeh, Llc · 10% OwnerJul 30

155,000 sh @ $1.43 · -5.8% own

SSELL$221.4K

8 Rivers Capital, LLC · 10% OwnerJul 30

155,000 sh @ $1.43 · -5.8% own

SSELL$63.3K

Npeh, Llc · 10% OwnerJul 29

45,000 sh @ $1.41 · -1.7% own

SSELL$63.3K

8 Rivers Capital, LLC · 10% OwnerJul 29

45,000 sh @ $1.41 · -1.7% own

SSELL$82.2K

Npeh, Llc · 10% OwnerJul 28

55,858 sh @ $1.47 · -2.0% own

SSELL$82.2K

8 Rivers Capital, LLC · 10% OwnerJul 28

55,858 sh @ $1.47 · -2.0% own

SSELL$59K

Npeh, Llc · 10% OwnerJul 23

39,142 sh @ $1.51 · -1.4% own

SSELL$59K

8 Rivers Capital, LLC · 10% OwnerJul 23

39,142 sh @ $1.51 · -1.4% own

SSELL$137.3K

Npeh, Llc · 10% OwnerJul 22

90,000 sh @ $1.53 · -3.1% own

SSELL$137.3K

8 Rivers Capital, LLC · 10% OwnerJul 22

90,000 sh @ $1.53 · -3.1% own

SSELL$122.4K

Npeh, Llc · 10% OwnerJul 21

80,000 sh @ $1.53 · -2.7% own

SSELL$122.4K

8 Rivers Capital, LLC · 10% OwnerJul 21

80,000 sh @ $1.53 · -2.7% own

SSELL$85.2K

Npeh, Llc · 10% OwnerMay 13

35,000 sh @ $2.43 · -1.2% own

SSELL$85.2K

8 Rivers Capital, LLC · 10% OwnerMay 13

35,000 sh @ $2.43 · -1.2% own

SSELL$975.6K

Npeh, Llc · 10% OwnerMay 12

400,000 sh @ $2.44 · -11.8% own

SSELL$975.6K

8 Rivers Capital, LLC · 10% OwnerMay 12

400,000 sh @ $2.44 · -11.8% own

CCONV◆↺—

Npeh, Llc · 10% OwnerMar 6

3M sh

JOTHER↺—

Npeh, Llc · 10% OwnerMar 6

3M sh · -14.5% own

CCONV↺—

Npeh, Llc · 10% OwnerMar 6

3M sh · +750.0% own

CCONV◆↺—

8 Rivers Capital, LLC · 10% OwnerMar 6

3M sh

JOTHER↺—

8 Rivers Capital, LLC · 10% OwnerMar 6

3M sh · -14.5% own

CCONV↺—

8 Rivers Capital, LLC · 10% OwnerMar 6

3M sh · +750.0% own

Filing record

How quickly insiders here report their trades. Section 16 allows two business days from the transaction.

All 10 filings we hold were filed within the two-business-day deadline.

Counted in business days from the transaction date, or the deemed execution date where the filing reports one, excluding weekends and federal holidays. How this is measured · All late filings

Insiders at this company

Everyone who has filed a Form 4 for this issuer.