LIGHTBRIDGE Corp — Director's Dealing 2025

Oct 10, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: LIGHTBRIDGE Corp (LTBR)
CIK: 0001084554
Period of Report: 2025-10-10

Reporting Person: MUSHAKOV ANDREY (EVP, Nuclear Operations)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-10-10	Common Stock	M	25093	$12.6	Acquired	420792	Direct
2025-10-10	Common Stock	S	25093	$25.06	Disposed	395699	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-10-10	Employee Stock Option (right to buy)	$12.6	M	25093	Disposed	2027-10-26	Common Stock (25093)	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Employee Stock Option (right to buy)	$18.48	2026-11-09	Common Stock (11351)	11351	Direct
Employee Stock Option (right to buy)	$55.2	2025-11-20	Common Stock (10067)	10067	Direct

Footnotes

F1: The reported exercise of 25,093 employee stock options and sale of 25,093 shares of common stock were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 13, 2024.

F2: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $25.00 to $25.19, 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.