| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| GRAE SETH | President and CEO, Director | C/O LIGHTBRIDGE CORPORATION, 11710 PLAZA AMERICA DRIVE, SUITE 2000, RESTON | /s/ Seth Grae | 16 Dec 2025 | 0001357549 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | LTBR | Common Stock | Tax liability | $188,269 | -12,993 | -1.6% | $14.49 | 791,270 | 15 Dec 2025 | Direct | F1 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| holding | LTBR | Employee Stock Option (right to buy) | 7,937 | 15 Dec 2025 | Common Stock | 7,937 | $12.60 | Direct | F2 | |||||
| holding | LTBR | Employee Stock Option (right to buy) | 18,199 | 15 Dec 2025 | Common Stock | 18,199 | $18.48 | Direct | F2 |
| Id | Content |
|---|---|
| F1 | Shares withheld to cover taxes upon vesting of restricted stock awards. No shares were sold. |
| F2 | This option is fully vested as of the date of this report. |