Mark R. Tobin - 11 Aug 2026 Form 4 Insider Report for LIGHTBRIDGE Corp (LTBR)

Reporting relationship: Director
Issuer ticker: LTBR
Reported as of: 11 Aug 2026
Net transaction value: -$134,850
SEC form: 4
Accepted by SEC: 12 Aug 2026, 16:32:11 UTC
Prior SEC filing: 07 Aug 2026
Source filing: View source filing
Reporting owner signature: /s/ Larry Goldman, Attorney-in-Fact for Mark R. Tobin

Key filing fact

Mark R. Tobin filed Form 4 for LIGHTBRIDGE Corp (LTBR) on 12 Aug 2026.

Key facts

This page summarizes Mark R. Tobin's Form 4 filing for LIGHTBRIDGE Corp (LTBR).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 12 Aug 2026, 16:32.

Change

Previous filing in this sequence was filed on 07 Aug 2026.
Current net transaction value: -$134,850.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001641799 Primary reporting owner

Tobin Mark Robert

Relationship: Director
Address: C/O LIGHTBRIDGE CORPORATION, 11710 PLAZA AMERICA DRIVE, SUITE 2000, RESTON
Signature: /s/ Larry Goldman, Attorney-in-Fact for Mark R. Tobin
Signature date: 12 Aug 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

LTBR transaction

Common Stock

Sale

Transaction value: $134,850
Shares: -15,000
Change %: -18%
Price: $8.99
Shares after: 66,669
Date: 11 Aug 2026
Ownership: Direct
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $8.925 to $9.05, 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.