Welcome to our dedicated page for LIGHTBRIDGE SEC filings (Ticker: LTBR), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Lightbridge Corporation filings document the formal disclosure record for an advanced nuclear fuel technology company developing Lightbridge Fuel™ for water-cooled reactors and small modular reactors. Its 8-K filings report financial results, business updates, R&D activity, patent and testing developments, and material events related to financing, compensation arrangements, and corporate governance.
Proxy materials describe annual meeting proposals, board and executive compensation matters, equity incentive plans, and shareholder voting procedures. Registration-related and prospectus supplement filings disclose common-stock offering capacity under shelf and at-the-market programs, while results disclosures furnished on Form 8-K frame liquidity, operating losses, research spending, and capital-structure activity tied to nuclear fuel development.
LIGHTBRIDGE Corp (LTBR) director Sweta Chakraborty reported selling 717 shares of common stock on September 1, 2026 at $7.43 per share in an open-market or private transaction. Following this sale, she directly holds 57,132 shares, and the trade was effected under a Rule 10b5-1 trading plan adopted on March 5, 2026.
LIGHTBRIDGE Corp (LTBR) executive Andrey Mushakov, EVP & Chief Operating Officer, reported a Form 4 showing 6,817 shares of common stock withheld on 2026-08-28 to pay tax liability upon vesting of restricted stock awards at a price of $7.55 per share; no shares were sold. Following this tax-withholding transaction, he directly holds 457,668 common shares and a fully vested employee stock option covering 11,351 shares at an exercise price of $18.48 per share, expiring on 2026-11-09.
LIGHTBRIDGE Corp (LTBR) reported that President and CEO Seth Grae had 10,930 shares of common stock withheld on 2026-08-28 to pay tax liabilities upon vesting of restricted stock awards at a reference value of $7.55 per share. A footnote states that no shares were sold in the market, and his directly owned common stock holdings after this withholding were 872,084 shares. He also holds fully vested employee stock options covering 7,937 shares at an exercise price of $12.60 per share expiring on 2027-10-26 and options covering 18,199 shares at an exercise price of $18.48 per share expiring on 2026-11-09.
LIGHTBRIDGE Corp (LTBR) reported insider transactions by Scott Randall Holcombe, its SVP & Chief Technology Officer. On 2026-08-28, a total of 3,833 shares of common stock were withheld at $7.55 per share to cover taxes upon vesting of restricted stock awards, and the footnote states that no shares were sold in the market. After these tax-withholding dispositions, Holcombe held 312,717 shares directly and 9,153 shares indirectly through his spouse.
LIGHTBRIDGE Corp (LTBR) reported that CFO Larry Goldman had 7,139 shares of common stock withheld on 2026-08-28 at $7.55 per share to cover taxes upon vesting of restricted stock awards; the footnote states no shares were sold. Following this tax-withholding event, he directly holds 377,688 common shares and a fully vested employee stock option covering 4,469 shares at an exercise price of $18.48 expiring on 2026-11-09.
LIGHTBRIDGE Corp (LTBR) reports that the Idaho National Laboratory (INL) announced Lightbridge has been selected to participate in the Nuclear Energy Launch Pad Program, a U.S. Department of Energy initiative administered by the National Reactor Innovation Center at INL. The related press release is available on the INL website.
LIGHTBRIDGE Corp director Mark Robert Tobin reported selling 15,000 shares of common stock on 2026-08-11 in an open-market transaction. The shares were sold at a weighted average price of $8.99 per share, across multiple trades ranging from $8.925 to $9.05. Following this sale, Tobin directly holds 66,669 shares of LIGHTBRIDGE Corp common stock.
Lightbridge Corporation filed a notice of proposed sale of 15,000 shares of common stock through Jefferies LLC on NASDAQ, with an aggregate market value of $134,910.00 as of 08/11/2026. The notice also lists prior restricted stock vesting events that contributed to the shares being available for sale.
MAGRAW DANIEL B reported acquisition or exercise transactions in this Form 4 filing.
Lightbridge Corp director Daniel B. Magraw received a grant of 10,000 restricted stock awards (RSAs) of common stock on 2026-08-06. These RSAs vest in six equal semi-annual installments over three years, starting on the first semi-annual anniversary of the grant date, contingent on his continued board service.
After this equity award, he directly owns 54,686 common shares. He also holds fully vested employee stock options to buy 1,191 shares at $3.82 expiring 2029-12-02, 4,371 shares at $10.80 expiring 2028-08-06, and 3,686 shares at $12.60 expiring 2027-10-26.
Tobin Mark Robert reported acquisition or exercise transactions in this Form 4 filing.
Lightbridge Corp director Mark Robert Tobin received a grant of 10,000 shares of Common Stock as restricted stock awards (RSAs) on August 6, 2026. The RSAs vest in six equal semi-annual installments over three years, starting on the first semi-annual anniversary of the grant date, contingent on his continued service at each vesting date. Following this equity grant, Tobin directly owns 81,669 shares of Lightbridge Corp common stock.