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SEC EDGAR · Forms 3/4/5Updated through Oct 30, 2026•69 filings

NPWR

Net Power Inc.

Net sales of $6.6M over the last 3 months

3 sellers account for the net balance. There is no cluster of three distinct buyers within 30 days. We found no CEO/CFO purchases over 12 months.

How to read this signal

Only open-market P purchases and S sales count toward the signal. Vesting, options, taxes and gifts remain in the source data but do not trigger alerts. Rule 10b5-1 trades are shown as informational.

JSON example

3-month balance

−$6,630,056

0 buyers · 3 sellers

12-month purchases

$0.00

0 distinct insiders

12-month sales

$27,831,595

4 distinct insiders

Highlighted alerts

100

0 Rule 10b5-1 trades treated as informational

Buying cluster · 30 days

Fewer than three distinct buyers

CEO/CFO purchases · 12 months

No executive purchases found

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Form 4 raw → Raspberry

The value is in what we do not call a signal.

The SEC XML stores every transaction. Raspberry keeps that evidence, reads the footnotes and separates voluntary open-market activity from vesting, option exercises, gifts, tax withholding, stock purchase and dividend reinvestment plans and pre-programmed 10b5-1 trades.

100
Raw transactions
Everything returned by the filing
100
Voluntary view
P/S trades after deterministic checks
5
Administrative noise
Stored, never alerted
0
10b5-1
Shown as informational
SEC ownership XML facts
Code
A
Shares
71,770
Price
$0.00
Footnotes
1

The restricted stock units reported in this Form 4 were granted effective June 3, 2026, the date of the Issuer's 2026 annual meeting of stockholders, pursuant to the Issuer's Non-Employee Director Compensation Policy, which provides, among other things, for an automatic annual grant of restricted stock units to eligible non-employee directors. Each restricted stock unit represents the right to receive one share of Class A common stock. The restricted stock units vest on the earlier of the day immediately preceding the date of the Issuer's 2027 annual meeting of stockholders and June 3, 2027, subject to continued service as a director. Settlement of the restricted stock units is deferred pursuant to the reporting person's standing deferral election. Due to administrative oversight, this Form 4 is being filed late.

Raspberry interpretation
Informational — no alert

Reason: administrative_code.

Verify in SEC EDGAR

Recent transactions

Voluntary purchases and sales; administrative noise stays hidden.

100 transactions

8 Rivers Capital, LLC

10% owner

SaleAlert
Shares
150,000
Price
$1.84
Value
$276,075
Open SEC filing

NPEH, LLC

10% owner

SaleAlert
Shares
150,000
Price
$1.84
Value
$276,075
Open SEC filing

8 Rivers Capital, LLC

10% owner

SaleAlert
Shares
100,000
Price
$1.94
Value
$193,520
Open SEC filing

NPEH, LLC

10% owner

SaleAlert
Shares
100,000
Price
$1.94
Value
$193,520
Open SEC filing

NPEH, LLC

10% owner

SaleAlert
Shares
41,350
Price
$1.91
Value
$79,078
Open SEC filing

8 Rivers Capital, LLC

10% owner

SaleAlert
Shares
41,350
Price
$1.91
Value
$79,078
Open SEC filing

NPEH, LLC

10% owner

SaleAlert
Shares
201,550
Price
$1.91
Value
$384,255
Open SEC filing

8 Rivers Capital, LLC

10% owner

SaleAlert
Shares
201,550
Price
$1.91
Value
$384,255
Open SEC filing

NPEH, LLC

10% owner

SaleAlert
Shares
507,100
Price
$1.95
Value
$990,518
Open SEC filing

8 Rivers Capital, LLC

10% owner

SaleAlert
Shares
507,100
Price
$1.95
Value
$990,518
Open SEC filing

NPEH, LLC

10% owner

SaleAlert
Shares
200,000
Price
$1.62
Value
$323,840
Open SEC filing

8 Rivers Capital, LLC

10% owner

SaleAlert
Shares
200,000
Price
$1.62
Value
$323,840
Open SEC filing

NPEH, LLC

10% owner

SaleAlert
Shares
50,000
Price
$1.63
Value
$81,575
Open SEC filing

8 Rivers Capital, LLC

10% owner

SaleAlert
Shares
50,000
Price
$1.63
Value
$81,575
Open SEC filing

NPEH, LLC

10% owner

SaleAlert
Shares
35,000
Price
$1.60
Value
$55,990
Open SEC filing

8 Rivers Capital, LLC

10% owner

SaleAlert
Shares
35,000
Price
$1.60
Value
$55,990
Open SEC filing

NPEH, LLC

10% owner

SaleAlert
Shares
55,400
Price
$1.55
Value
$86,075
Open SEC filing

8 Rivers Capital, LLC

10% owner

SaleAlert
Shares
55,400
Price
$1.55
Value
$86,075
Open SEC filing

NPEH, LLC

10% owner

SaleAlert
Shares
60,345
Price
$1.53
Value
$92,080
Open SEC filing

8 Rivers Capital, LLC

10% owner

SaleAlert
Shares
60,345
Price
$1.53
Value
$92,080
Open SEC filing

8 Rivers Capital, LLC

10% owner

SaleAlert
Shares
89,255
Price
$1.51
Value
$134,436
Open SEC filing

NPEH, LLC

10% owner

SaleAlert
Shares
89,255
Price
$1.51
Value
$134,436
Open SEC filing

8 Rivers Capital, LLC

10% owner

SaleAlert
Shares
140,000
Price
$1.51
Value
$211,456
Open SEC filing

NPEH, LLC

10% owner

SaleAlert
Shares
140,000
Price
$1.51
Value
$211,456
Open SEC filing

8 Rivers Capital, LLC

10% owner

SaleAlert
Shares
120,000
Price
$1.54
Value
$184,728
Open SEC filing

NPEH, LLC

10% owner

SaleAlert
Shares
120,000
Price
$1.54
Value
$184,728
Open SEC filing

NPEH, LLC

10% owner

SaleAlert
Shares
155,000
Price
$1.43
Value
$221,402
Open SEC filing

8 Rivers Capital, LLC

10% owner

SaleAlert
Shares
155,000
Price
$1.43
Value
$221,402
Open SEC filing

NPEH, LLC

10% owner

SaleAlert
Shares
45,000
Price
$1.41
Value
$63,329
Open SEC filing

8 Rivers Capital, LLC

10% owner

SaleAlert
Shares
45,000
Price
$1.41
Value
$63,329
Open SEC filing

NPEH, LLC

10% owner

SaleAlert
Shares
55,858
Price
$1.47
Value
$82,229
Open SEC filing

8 Rivers Capital, LLC

10% owner

SaleAlert
Shares
55,858
Price
$1.47
Value
$82,229
Open SEC filing

8 Rivers Capital, LLC

10% owner

SaleAlert
Shares
39,142
Price
$1.51
Value
$58,971
Open SEC filing

NPEH, LLC

10% owner

SaleAlert
Shares
39,142
Price
$1.51
Value
$58,971
Open SEC filing

8 Rivers Capital, LLC

10% owner

SaleAlert
Shares
90,000
Price
$1.53
Value
$137,322
Open SEC filing

NPEH, LLC

10% owner

SaleAlert
Shares
90,000
Price
$1.53
Value
$137,322
Open SEC filing

8 Rivers Capital, LLC

10% owner

SaleAlert
Shares
80,000
Price
$1.53
Value
$122,400
Open SEC filing

NPEH, LLC

10% owner

SaleAlert
Shares
80,000
Price
$1.53
Value
$122,400
Open SEC filing

NPEH, LLC

10% owner

SaleAlert
Shares
35,000
Price
$2.43
Value
$85,152
Open SEC filing

8 Rivers Capital, LLC

10% owner

SaleAlert
Shares
35,000
Price
$2.43
Value
$85,152
Open SEC filing

NPEH, LLC

10% owner

SaleAlert
Shares
400,000
Price
$2.44
Value
$975,560
Open SEC filing

8 Rivers Capital, LLC

10% owner

SaleAlert
Shares
400,000
Price
$2.44
Value
$975,560
Open SEC filing

NPEH, LLC

10% owner

SaleAlert
Shares
100,000
Price
$2.04
Value
$204,250
Open SEC filing

8 Rivers Capital, LLC

10% owner

SaleAlert
Shares
100,000
Price
$2.04
Value
$204,250
Open SEC filing

NPEH, LLC

10% owner

SaleAlert
Shares
79,858
Price
$2.05
Value
$163,773
Open SEC filing

8 Rivers Capital, LLC

10% owner

SaleAlert
Shares
79,858
Price
$2.05
Value
$163,773
Open SEC filing

NPEH, LLC

10% owner

SaleAlert
Shares
4,744
Price
$2.00
Value
$9,489
Open SEC filing

8 Rivers Capital, LLC

10% owner

SaleAlert
Shares
4,744
Price
$2.00
Value
$9,489
Open SEC filing

NPEH, LLC

10% owner

SaleAlert
Shares
1,881
Price
$2.00
Value
$3,762
Open SEC filing

8 Rivers Capital, LLC

10% owner

SaleAlert
Shares
1,881
Price
$2.00
Value
$3,762
Open SEC filing

NPEH, LLC

10% owner

SaleAlert
Shares
63,517
Price
$2.03
Value
$129,232
Open SEC filing

8 Rivers Capital, LLC

10% owner

SaleAlert
Shares
63,517
Price
$2.03
Value
$129,232
Open SEC filing

NPEH, LLC

10% owner

SaleAlert
Shares
125,000
Price
$2.14
Value
$267,638
Open SEC filing

8 Rivers Capital, LLC

10% owner

SaleAlert
Shares
125,000
Price
$2.14
Value
$267,638
Open SEC filing

8 Rivers Capital, LLC

10% owner

SaleAlert
Shares
75,000
Price
$2.07
Value
$155,190
Open SEC filing

NPEH, LLC

10% owner

SaleAlert
Shares
75,000
Price
$2.07
Value
$155,190
Open SEC filing

8 Rivers Capital, LLC

10% owner

SaleAlert
Shares
100,000
Price
$2.14
Value
$214,140
Open SEC filing

NPEH, LLC

10% owner

SaleAlert
Shares
100,000
Price
$2.14
Value
$214,140
Open SEC filing

8 Rivers Capital, LLC

10% owner

SaleAlert
Shares
150,000
Price
$2.03
Value
$304,605
Open SEC filing

NPEH, LLC

10% owner

SaleAlert
Shares
150,000
Price
$2.03
Value
$304,605
Open SEC filing

8 Rivers Capital, LLC

10% owner

SaleAlert
Shares
60,000
Price
$2.02
Value
$121,350
Open SEC filing

NPEH, LLC

10% owner

SaleAlert
Shares
60,000
Price
$2.02
Value
$121,350
Open SEC filing

8 Rivers Capital, LLC

10% owner

SaleAlert
Shares
40,000
Price
$2.08
Value
$83,212
Open SEC filing

NPEH, LLC

10% owner

SaleAlert
Shares
40,000
Price
$2.08
Value
$83,212
Open SEC filing

NPEH, LLC

10% owner

SaleAlert
Shares
54,780
Price
$2.35
Value
$128,651
Open SEC filing

8 Rivers Capital, LLC

10% owner

SaleAlert
Shares
54,780
Price
$2.35
Value
$128,651
Open SEC filing

8 Rivers Capital, LLC

10% owner

SaleAlert
Shares
65,220
Price
$2.38
Value
$155,419
Open SEC filing

NPEH, LLC

10% owner

SaleAlert
Shares
65,220
Price
$2.38
Value
$155,419
Open SEC filing

8 Rivers Capital, LLC

10% owner

SaleAlert
Shares
100,000
Price
$2.38
Value
$238,370
Open SEC filing

NPEH, LLC

10% owner

SaleAlert
Shares
100,000
Price
$2.38
Value
$238,370
Open SEC filing

8 Rivers Capital, LLC

10% owner

SaleAlert
Shares
130,000
Price
$2.35
Value
$306,137
Open SEC filing

NPEH, LLC

10% owner

SaleAlert
Shares
130,000
Price
$2.35
Value
$306,137
Open SEC filing

8 Rivers Capital, LLC

10% owner

SaleAlert
Shares
230,000
Price
$2.63
Value
$605,475
Open SEC filing

NPEH, LLC

10% owner

SaleAlert
Shares
230,000
Price
$2.63
Value
$605,475
Open SEC filing

8 Rivers Capital, LLC

10% owner

SaleAlert
Shares
135,000
Price
$2.57
Value
$347,193
Open SEC filing

NPEH, LLC

10% owner

SaleAlert
Shares
135,000
Price
$2.57
Value
$347,193
Open SEC filing

8 Rivers Capital, LLC

10% owner

SaleAlert
Shares
135,000
Price
$2.74
Value
$369,617
Open SEC filing

NPEH, LLC

10% owner

SaleAlert
Shares
135,000
Price
$2.74
Value
$369,617
Open SEC filing

NPEH, LLC

10% owner

SaleAlert
Shares
170,000
Price
$2.21
Value
$375,632
Open SEC filing

8 Rivers Capital, LLC

10% owner

SaleAlert
Shares
170,000
Price
$2.21
Value
$375,632
Open SEC filing

NPEH, LLC

10% owner

SaleAlert
Shares
130,000
Price
$2.17
Value
$281,658
Open SEC filing

8 Rivers Capital, LLC

10% owner

SaleAlert
Shares
130,000
Price
$2.17
Value
$281,658
Open SEC filing

NPEH, LLC

10% owner

SaleAlert
Shares
100,000
Price
$2.26
Value
$226,460
Open SEC filing

8 Rivers Capital, LLC

10% owner

SaleAlert
Shares
100,000
Price
$2.26
Value
$226,460
Open SEC filing

NPEH, LLC

10% owner

SaleAlert
Shares
100,000
Price
$2.34
Value
$234,310
Open SEC filing

8 Rivers Capital, LLC

10% owner

SaleAlert
Shares
100,000
Price
$2.34
Value
$234,310
Open SEC filing

NPEH, LLC

10% owner

SaleAlert
Shares
40,000
Price
$2.82
Value
$112,940
Open SEC filing

8 Rivers Capital, LLC

10% owner

SaleAlert
Shares
40,000
Price
$2.82
Value
$112,940
Open SEC filing

NPEH, LLC

10% owner

SaleAlert
Shares
140,000
Price
$2.81
Value
$393,274
Open SEC filing

8 Rivers Capital, LLC

10% owner

SaleAlert
Shares
140,000
Price
$2.81
Value
$393,274
Open SEC filing

NPEH, LLC

10% owner

SaleAlert
Shares
105,000
Price
$2.91
Value
$305,172
Open SEC filing

8 Rivers Capital, LLC

10% owner

SaleAlert
Shares
105,000
Price
$2.91
Value
$305,172
Open SEC filing

NPEH, LLC

10% owner

SaleAlert
Shares
65,000
Price
$2.94
Value
$191,256
Open SEC filing

8 Rivers Capital, LLC

10% owner

SaleAlert
Shares
65,000
Price
$2.94
Value
$191,256
Open SEC filing

8 Rivers Capital, LLC

10% owner

SaleAlert
Shares
200,000
Price
$2.94
Value
$587,080
Open SEC filing

NPEH, LLC

10% owner

SaleAlert
Shares
200,000
Price
$2.94
Value
$587,080
Open SEC filing

NPEH, LLC

10% owner

SaleAlert
Shares
17,163
Price
$2.50
Value
$42,928
Open SEC filing

8 Rivers Capital, LLC

10% owner

SaleAlert
Shares
17,163
Price
$2.50
Value
$42,928
Open SEC filing

NPEH, LLC

10% owner

SaleAlert
Shares
132,837
Price
$2.60
Value
$344,991
Open SEC filing

8 Rivers Capital, LLC

10% owner

SaleAlert
Shares
132,837
Price
$2.60
Value
$344,991
Open SEC filing

“Alert” means a voluntary, unscheduled transaction according to the filing; it is not an investment recommendation. Official source: SEC EDGAR.