Seth Grae - 03 Apr 2026 Form 4 Insider Report for LIGHTBRIDGE Corp (LTBR)

Source evidence Original filing metadata and source links for verification. 4 source fields
SEC form
4
Accepted by SEC
14 Apr 2026, 16:00:15 UTC
Prior SEC filing
16 Dec 2025
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ Seth Grae

Key filing fact

Seth Grae filed Form 4 for LIGHTBRIDGE Corp (LTBR) on 14 Apr 2026.

Key facts

  • This page summarizes Seth Grae's Form 4 filing for LIGHTBRIDGE Corp (LTBR).
  • 1 reported transaction and 2 derivative rows are listed below.
  • Accepted by SEC: 14 Apr 2026, 16:00.

Change

  • Previous filing in this sequence was filed on 16 Dec 2025.
  • Current net transaction value: $0.

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 0001357549 Primary reporting owner

GRAE SETH

Relationship
President and CEO, Director
Address
C/O LIGHTBRIDGE CORPORATION, 11710 PLAZA AMERICA DRIVE, SUITE 2000, RESTON
Signature
/s/ Seth Grae
Signature date
14 Apr 2026

Reported non-derivative transactions

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

LTBR transaction

Common Stock

Tax liability

Transaction value
Shares
-13,256
Change %
-1.7%
Price
$11.09*
Shares after
778,014
Date
03 Apr 2026
Ownership
Direct
Footnotes
F1

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

LTBR holding Derivative

Employee Stock Option (right to buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
7,937
Date
03 Apr 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
7,937
Exercise price
$12.60
Footnotes
F2
LTBR holding Derivative

Employee Stock Option (right to buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
18,199
Date
03 Apr 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
18,199
Exercise price
$18.48
Footnotes
F2
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Shares withheld to cover taxes upon the vesting of performance-based restricted stock awards. No shares were sold.

Footnote F2

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

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