GRAE SETH 4

What Happened
Seth Grae, President, CEO and Director of Lightbridge Corp (LTBR), had 13,256 shares withheld to satisfy tax withholding upon the vesting of performance-based restricted stock awards. The withholding was recorded at $11.09 per share for a total value of approximately $147,009. This was a tax-withholding disposition (code F), not an open-market sale.

Key Details

• Transaction date: 2026-04-03; filing date (Form 4): 2026-04-14 (filed 11 days after the transaction; exceeds the typical 2-business-day reporting window).
• Withheld shares: 13,256 at $11.09 per share; total = ~$147,009.
• Shares owned after transaction: Not disclosed in the provided excerpt of the filing.
• Footnotes: F1 — shares withheld to cover taxes upon vesting of performance-based restricted stock awards; no shares were sold. F2 — referenced option is fully vested as of the report date.
• Transaction code: F (tax withholding).

Context
Tax-withholding by an insider upon vesting of restricted stock is a routine administrative transaction and does not indicate an open-market sale or change in investment stance. For exercises or option-related items, note whether shares are sold immediately (cashless exercise); in this case, no shares were sold. The delayed filing may attract investor attention but does not change the nature of the underlying withholding event.