Seth Grae - Dec 4, 2025 Form 4 Insider Report for LIGHTBRIDGE Corp (LTBR)

Role
President and CEO, Director
Signature
/s/ Seth Grae
Stock symbol
LTBR
Transactions as of
Dec 4, 2025
Transactions value $
-$340,447
Form type
4
Date filed
12/5/2025, 04:30 PM
Previous filing
Dec 2, 2025
SEC
View on sec.gov

Reporting Owners (1)

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 2025-12-05 0001357549

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction LTBR Common Stock Tax liability -$340K -19.1K -2.32% $17.79 804K Dec 4, 2025 Direct F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

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) 7.94K Dec 4, 2025 Common Stock 7.94K $12.60 Direct F2
holding LTBR Employee Stock Option (right to buy) 18.2K Dec 4, 2025 Common Stock 18.2K $18.48 Direct F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

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.