NET POWER INC

Ticker: NPWR CUSIP: 64107A105 Class: COM

SIMPLEX TRADING, LLC's Holding History (CIK: 0001488542)

Note: Option positions (PUT/CALL) are excluded.

Q3 2025

Shares 47,571 Value ($000) $0 Avg Close $2.67 Range $2.07 - $3.51

Q2 2025

Shares 34,232 Value ($000) $0 Avg Close $2.10 Range $1.48 - $3.00

Q1 2025

Shares 8,672 Value ($000) $0 Avg Close $7.06 Range $2.28 - $11.83

Q4 2024

Shares 28,387 Value ($000) $0 Avg Close $9.80 Range $6.58 - $14.28

Q2 2024

Shares 4,800 Value ($000) $0 Avg Close $10.61 Range $9.38 - $12.12

Q1 2024

Shares 8,587 Value ($000) $0 Avg Close $9.05 Range $7.55 - $11.82

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	47,571	$0	$2.67	$2.07 - $3.51
Q2 2025	34,232	$0	$2.10	$1.48 - $3.00
Q1 2025	8,672	$0	$7.06	$2.28 - $11.83
Q4 2024	28,387	$0	$9.80	$6.58 - $14.28
Q2 2024	4,800	$0	$10.61	$9.38 - $12.12
Q1 2024	8,587	$0	$9.05	$7.55 - $11.82