NET POWER INC

Ticker: NPWR CUSIP: 64107A105 Class: COM

Argentarii, LLC's Holding History (CIK: 0002030055)

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

Q4 2025

Shares 263,507 Value ($000) $601 Avg Close $3.13 Range $2.10 - $5.20

Q3 2025

Shares 51,365 Value ($000) $155 Avg Close $2.67 Range $2.07 - $3.51

Q2 2025

Shares 26,785 Value ($000) $66 Avg Close $2.10 Range $1.48 - $3.00

Q1 2025

Shares 27,285 Value ($000) $72 Avg Close $7.06 Range $2.28 - $11.83

Q4 2024

Shares 23,443 Value ($000) $248 Avg Close $9.80 Range $6.58 - $14.28

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	263,507	$601	$3.13	$2.10 - $5.20
Q3 2025	51,365	$155	$2.67	$2.07 - $3.51
Q2 2025	26,785	$66	$2.10	$1.48 - $3.00
Q1 2025	27,285	$72	$7.06	$2.28 - $11.83
Q4 2024	23,443	$248	$9.80	$6.58 - $14.28