GRAE SETH 4
4 · LIGHTBRIDGE Corp · Filed Oct 10, 2025
Insider Transaction Report
Form 4
LIGHTBRIDGE CorpLTBR
GRAE SETH
DirectorPresident and CEO
Transactions
- Exercise/Conversion
Employee Stock Option (right to buy)
2025-10-10−7,616→ 20,600 totalExercise: $10.80Exp: 2028-08-06→ Common Stock (7,616 underlying) - Sale
Common Stock
2025-10-10$25.84/sh−7,616$196,797→ 753,316 total - Exercise/Conversion
Common Stock
2025-10-10$10.80/sh+7,616$82,253→ 760,932 total
Holdings
- 40,233
Employee Stock Option (right to buy)
Exercise: $12.60Exp: 2027-10-26→ Common Stock (40,233 underlying) - 18,199
Employee Stock Option (right to buy)
Exercise: $18.48Exp: 2026-11-09→ Common Stock (18,199 underlying) - 17,430
Employee Stock Option (right to buy)
Exercise: $55.20Exp: 2025-11-20→ Common Stock (17,430 underlying)
Footnotes (3)
- [F1]The reported exercise of 7,616 employee stock options and sale of 7,616 shares of common stock were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 12, 2024.
- [F2]The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $25.80 to $25.92, inclusive. The reporting person undertakes to provide to Lightbridge Corporation, any security holder of Lightbridge Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.
- [F3]This option is fully vested as of the date of this report.