LIGHTBRIDGE CORP

Ticker: LTBR CUSIP: 53224K302 Class: Common Stock

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q4 2025
Shares 29,537 Value ($000) $373 Avg Close — Range —
Q3 2025
Shares 123,297 Value ($000) $2,615 Avg Close — Range —
Q2 2025
Shares 55,293 Value ($000) $739 Avg Close — Range —
Q1 2025
Shares 30,690 Value ($000) $229 Avg Close — Range —
Q4 2023
Shares 159 Value ($000) $1 Avg Close — Range —
Q3 2023
Shares 28 Value ($000) $0 Avg Close — Range —
Q2 2023
Shares 1,163 Value ($000) $7 Avg Close — Range —
Q1 2023
Shares 63 Value ($000) $0 Avg Close — Range —
Q3 2022
Shares 2,000 Value ($000) $9 Avg Close — Range —