LIGHTBRIDGE CORP

Ticker: LTBR CUSIP: 53224K302 Class: Common Stock

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0001081019)

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

Q4 2025
Shares 1,649 Value ($000) $21 Avg Close — Range —
Q3 2025
Shares 1,171 Value ($000) $25 Avg Close — Range —
Q2 2025
Shares 1,170 Value ($000) $16 Avg Close — Range —