LIGHTBRIDGE Corp — Director's Dealing 2025

Aug 29, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: LIGHTBRIDGE Corp (LTBR)
CIK: 0001084554
Period of Report: 2025-08-28

Reporting Person: GRAE SETH (Director, President and CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-08-28	Common Stock	A	72707	—	Acquired	535193	Direct
2025-08-28	Common Stock	A	72708	—	Acquired	607901	Direct
2025-08-28	Common Stock	A	72708	—	Acquired	680609	Direct
2025-08-28	Common Stock	A	43625	—	Acquired	724234	Direct
2025-08-28	Common Stock	A	29082	—	Acquired	753316	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Employee Stock Option (right to buy)	$10.8	2028-08-06	Common Stock (28216)	28216	Direct
Employee Stock Option (right to buy)	$12.6	2027-10-26	Common Stock (40233)	40233	Direct
Employee Stock Option (right to buy)	$18.48	2026-11-09	Common Stock (18199)	18199	Direct
Employee Stock Option (right to buy)	$55.2	2025-11-20	Common Stock (17430)	17430	Direct

Footnotes

F1: Represents a grant of restricted stock awards (RSAs). These RSAs vest in three equal installments on the first, second and third anniversaries of the date of grant, contingent on the reporting person's continued service on each such vesting date.

F2: Represents a grant of performance-based restricted stock awards (PSAs). These PSAs vest subject to achievement of a specified performance condition, and at the time of certification thereof, contingent on the reporting person's continued service on the certification date. PSAs that remain unvested as of December 31, 2028 (the end of the performance period) will automatically be forfeited and cancelled without consideration.

F3: This option is fully vested as of the date of this report.