NET POWER INC

Ticker: NPWR/WS CUSIP: 64107A113 Class: *W EXP 06/08/202

Thomas J. Herzfeld Advisors, Inc.'s Holding History (CIK: 0001509510)

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

Q4 2025
Shares 32,771 Value ($000) $16 Avg Close — Range —
Q3 2025
Shares 32,771 Value ($000) $25 Avg Close — Range —
Q2 2025
Shares 32,771 Value ($000) $11 Avg Close — Range —
Q1 2025
Shares 32,771 Value ($000) $10 Avg Close — Range —
Q4 2024
Shares 32,771 Value ($000) $118 Avg Close — Range —
Q3 2024
Shares 32,771 Value ($000) $38 Avg Close — Range —
Q2 2024
Shares 32,771 Value ($000) $75 Avg Close — Range —
Q1 2024
Shares 29,742 Value ($000) $86 Avg Close — Range —
Q4 2023
Shares 29,742 Value ($000) $65 Avg Close — Range —
Q3 2023
Shares 29,742 Value ($000) $129 Avg Close — Range —
Q2 2023
Shares 29,742 Value ($000) $100 Avg Close — Range —