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.
The Lightbridge Corporation (NASDAQ: LTBR) SEC filings page provides access to the company’s official reports and disclosures filed with the U.S. Securities and Exchange Commission. As an advanced nuclear fuel technology developer, Lightbridge uses these filings to report on its financial condition, capital-raising activities, governance matters, and progress on operational objectives tied to its Lightbridge Fuel™ program.
Investors can review current reports on Form 8-K in which Lightbridge furnishes press releases about quarterly results, business updates, and other material events. Recent 8-K filings described financial results for specific quarters, including information on research and development and general and administrative expenses, interest income, net losses, and changes in working capital and cash balances. Other 8-Ks detail items such as the establishment of an at-the-market equity offering program under a shelf registration statement on Form S-3 and the filing of a prospectus supplement for the offer and sale of common stock.
Filings also outline equity compensation and governance arrangements. For example, a Form 8-K describes grants of restricted shares under the company’s omnibus incentive plan, including service-based and performance-based vesting tied to manufacturing milestones, goals related to the design and construction of a new fuel facility, commercial objectives, and funding goals. These documents provide insight into how Lightbridge aligns management incentives with its fuel development and commercialization roadmap.
Through its periodic reports and related exhibits, Lightbridge discloses details on its capital structure, including common stock outstanding, additional paid-in capital, accumulated deficit, and the absence of preferred stock. Balance sheet and cash flow information show the company’s emphasis on funding research at Idaho National Laboratory and other project costs. On this page, AI-powered tools can help summarize lengthy filings, highlight key sections on liquidity, R&D spending, and equity offerings, and surface information on executive compensation and other governance topics, allowing users to quickly understand the implications of each LTBR filing.
Lightbridge Corporation (LTBR) reported an insider transaction by President and CEO Seth Grae. On 10/15/2025, he exercised 32,296 stock options at $12.60 and sold 32,296 common shares at a $28.07 weighted average price, executed under a Rule 10b5-1 trading plan adopted on September 12, 2024. Following these transactions, he beneficially owns 753,316 common shares directly. Footnotes note the sale prices ranged from $28.00 to $28.28 and that the exercised option was fully vested as of the report date.
Lightbridge Corporation (LTBR) President & CEO and Director Seth Grae reported an insider transaction. On October 13, 2025, he exercised 20,600 stock options at $10.80 per share and sold 20,600 shares at a $26.01 weighted average price under a Rule 10b5-1 trading plan adopted on September 12, 2024.
The sale occurred in multiple trades between $25.80 and $26.58. Following these transactions, Grae beneficially owns 753,316 shares directly. The exercised option (20,600 shares at $10.80) is now fully settled; other vested options remain outstanding with stated exercise prices and expirations.
Director and CEO Seth Grae reported exercising 7,616 employee stock options on 10/10/2025 and immediately selling the same 7,616 shares. The option exercise used a $10.80 exercise price for those options and the subsequent sale generated a weighted average sale price of $25.84 per share, with trade prices reported between $25.80 and $25.92. The transactions were executed under a Rule 10b5-1 trading plan adopted on 09/12/2024, which the filer discloses as the basis for the timing. Following these transactions, the reporting person beneficially owned 760,932 shares before the sale and 753,316 shares after the sale. The filing also lists outstanding employee stock options exercisable at $12.60, $18.48, and $55.20 with various exercisability and expiration dates.
Andrey Mushakov, Executive Vice President, Nuclear Operations at Lightbridge Corporation (LTBR), reported exercising 25,093 employee stock options with an exercise price of $12.60 and immediately selling 25,093 shares at a weighted average sale price of $25.06. The transactions were executed on 10/10/2025 pursuant to a Rule 10b5-1 written trading plan adopted on 9/13/2024.
After the option exercise and sale, the reporting person’s direct beneficial ownership declined from 420,792 shares to 395,699 shares. The filing also discloses existing vested options for 11,351 and 10,067 shares with exercise prices of $18.48 and $55.20, respectively, and an option exercisable through 10/26/2027.
Lightbridge Corp (LTBR) filed a Form 144 reporting a proposed sale of 60,512 shares of common stock through Stifel Nicolaus & Company Inc. on the Nasdaq with an aggregate market value of $1,561,210.00. The filing lists total shares outstanding as 25,914,533 and an approximate sale date of 10/10/2025. The shares were acquired by option exercises on 10/26/2017 (32,296 shares) and 08/06/2018 (28,216 shares), with payment recorded as cash on 05/28/2025.
The filer indicates no securities sold in the past three months and includes the standard representation about material nonpublic information and Rule 10b5-1 plan disclosure. The notice is procedural and shows a planned sale of a small portion of outstanding stock through a broker on a listed exchange.
LIGHTBRIDGE Corp (LTBR) filed a Form 144 notifying the proposed sale of 25,093 shares of common stock through Stifel Nicolaus & Company on 10/10/2025 with an aggregate market value of $392,525.00. The filing shows those shares were acquired by option exercises on 08/06/2018 (17,598 shares) and 10/26/2017 (15,701 shares) and are to be paid in cash at sale.
The notice also discloses a prior sale by the reporting individual, Andrey Mushakov, of 17,598 shares on 09/22/2025 for gross proceeds of $352,659.00. The seller certifies they are not aware of any undisclosed material adverse information and the sale is to be executed on the Nasdaq exchange.
Insider sale under 10b5-1 plan: A director of Lightbridge Corporation (LTBR) sold 1,246 shares of common stock on 10/08/2025 at a weighted average price of $22.89 per share. The reporting person states the sale was executed under a Rule 10b5-1 trading plan adopted on 05/21/2025, and the shares were sold in multiple transactions at prices ranging from $22.8325 to $22.93. After the reported transactions, the reporting person beneficially owned 45,449 shares, held directly.
The filing is a standard Section 16 Form 4 disclosure showing a routine, pre-planned disposition by an officer/director rather than an ad-hoc sale; the filer offers to provide detailed per-price sale information on request.
Lightbridge Corporation director Jesse L. Funches reported a sale of 1,448 shares of common stock under a Rule 10b5-1 plan on 10/07/2025. The shares were sold at a weighted average price of $22.67 per share in two transactions, and the filing shows the reporting person retains 64,840 shares after the sale. The Form 4 notes the 10b5-1 plan was adopted on 05/14/2025 and that the reported sale prices were $22.6687 and $22.68, with the filer offering to provide per-transaction details on request.
This is a routine disclosure of insider selling under an adopted trading plan rather than an ad hoc sale; it notifies investors of a modest reduction in an insider’s direct holdings while preserving transparency about execution price and plan adoption date.
Sweta Chakraborty, a director of Lightbridge Corporation (LTBR), reported the sale of 1,947 shares of common stock on 10/01/2025. The sale was effected under a Rule 10b5-1 trading plan adopted on May 21, 2025. The reported weighted-average price for the shares sold was $20.85, with individual transaction prices ranging from $20.77 to $21.00. Following the reported sale, the reporting person beneficially owned 46,695 shares. The form was signed on 10/03/2025. The reporting person offered to provide detailed transaction-level price information on request.
Lightbridge Corporation filed a prospectus supplement for the offer and sale of up to $75,000,000 of its common stock under an at-the-market equity offering program.
The shares may be issued and sold from time to time through Jefferies LLC, acting as sales agent, pursuant to an existing Open Market Sale Agreement and the company’s effective shelf registration statement on Form S-3. The filing also includes a legal opinion and related consent from counsel, which are incorporated by reference into the registration statement.