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.
Insider equity grants to Lightbridge director Mark R. Tobin increased his holdings by 15,000 shares through restricted stock awards and performance-based restricted stock awards. The Form 4 shows five non-derivative transactions on 08/28/2025 that add 5,000; 5,000; 5,000; 3,000; and 2,000 shares, raising reported beneficial ownership from 49,038 shares to 64,038 shares. The first set is described as time-based restricted stock awards that vest in three equal annual installments contingent on continued service. The remaining awards are performance-based restricted stock awards that vest only if specified performance conditions are met and may be forfeited if unvested by December 31, 2028.
Sweta Chakraborty, a director of Lightbridge Corporation (LTBR), reported multiple grants totaling 50,590 shares on Form 4. The filings show grants dated 08/28/2025: a grant of 5,000 restricted stock awards (RSAs) and several performance-based restricted stock awards (PSAs) in increments (5,000; 5,000; 3,000; 2,000) that increase her beneficial ownership from 35,590 to 50,590 shares following the transactions. The RSAs vest in three equal annual installments contingent on continued service. The PSAs vest only if specified performance conditions are met and unvested PSAs will be forfeited if not vested by December 31, 2028.
Lightbridge Corp. director Jesse L. Funches received multiple restricted stock awards on 08/28/2025. The filing reports five non‑derivative transactions: an initial grant of 5,000 restricted shares and four subsequent grants of 5,000, 5,000, 3,000 and 2,000 restricted shares, all recorded at $0 price.
The restricted stock awards (RSAs) vest in three equal annual installments based on continued service. The performance‑based restricted stock awards (PSAs) vest only if a specified performance condition is met and will be forfeited if unvested by December 31, 2028. Following these grants, Mr. Funches beneficially owns 66,288 common shares. The form was signed by an attorney‑in‑fact on 08/29/2025.
Lightbridge Corporation (LTBR) director and President/CEO Seth Grae reported multiple equity awards on Form 4 dated 08/28/2025. The filing shows grants of restricted stock awards (RSAs) totaling 290,830 shares acquired in a sequence of awards resulting in 753,316 shares beneficially owned after the transactions. It also reports performance-based restricted stock awards (PSAs) that vest only if specified performance conditions are met before the end of the performance period on 12/31/2028. Additionally, Mr. Grae holds fully vested employee stock options exercisable for 28,216, 40,233, 18,199, and 17,430 common shares at stated strike prices. RSAs vest over three years; PSAs vest upon certification and may be forfeited if targets are not met.
Lightbridge Corp (LTBR) insider Andrey Mushakov received multiple equity awards on 08/28/2025. The filing reports grants of restricted stock awards (RSAs) that vest in three equal annual installments and performance-based restricted stock awards (PSAs) that vest only if specified performance conditions are met by the end of the performance period on 12/31/2028. Several grants increased the reporting person’s beneficial ownership in stages, with reported post-transaction share totals reaching up to 395,699 shares. The filing also shows four employee stock options outstanding with exercise prices of $10.80, $12.60, $18.48 and $55.20 and aggregate underlying common shares of 63, (sic) 63, etc. The report was signed by an attorney-in-fact on 08/29/2025.
Lightbridge Corp. insider filing: Chief Financial Officer Larry Goldman received multiple equity grants on 08/28/2025 including restricted stock awards and performance-based restricted stock awards plus existing employee stock options. The filing shows five non-derivative award entries totaling incremental grants that increase Mr. Goldman’s beneficial ownership from 211,229 shares up to 337,086 shares as awards vest or are recognized. The restricted stock awards vest over three years in equal annual installments; the performance awards vest only if specified performance goals are met before the end of the performance period on 12/31/2028. Two employee stock options remain reported: a fully vested option with $18.48 strike covering 4,469 shares and an option with $55.20 strike covering 5,449 shares.
Lightbridge Corporation approved new restricted stock awards for executives, employees, consultants and directors under its 2020 Omnibus Incentive Plan. Each award is split so that 25% is service-based, vesting in three equal annual installments starting on the first anniversary of the August 28, 2025 grant date, as long as the recipient continues with the company.
The remaining 75% is performance-based and can vest only if specific operational milestones are achieved by December 31, 2028 and certified by the Compensation Committee by March 31, 2029, with continued service through each certification date. These milestones cover manufacturing goals (25%), design and construction of a new fuel facility (25%), commercial objectives (15%), and funding goals (10%). Any performance-based shares not vested by the end of the performance period will be forfeited. Awards for the top executives include 290,830 total shares for the CEO, 181,389 for the EVP of Nuclear Operations, and 167,809 for the CFO.
Sweta Chakraborty, a director of Lightbridge Corporation (LTBR), reported the sale of 1,948 shares of common stock on 08/20/2025. The sale was executed under a Rule 10b5-1 trading plan adopted May 21, 2025. The filing reports a weighted-average sale price of $13.79, with individual trade prices ranging from $13.72 to $13.87. After the reported transactions, the reporting person beneficially owned 30,590 shares. The Form 4 was signed by an attorney-in-fact on behalf of the reporting person on 08/21/2025 and indicates the filing was made by a single reporting person.
Sweta Chakraborty, a director of Lightbridge Corporation (LTBR), reported the sale of company common stock. On 08/15/2025 she disposed of 20,000 shares at a weighted average price of $15.15 per share, with individual trade prices ranging from $14.92 to $15.40. After the reported transactions she beneficially owned 32,538 shares, held directly. The Form 4 was filed by one reporting person and includes an undertaking to provide detailed breakdowns of the number of shares sold at each price on request.
Larry Goldman, CFO of Lightbridge Corp (LTBR), reported option exercises and a sale under a pre-established trading plan. On 08/13/2025 he exercised 13,785 employee stock options with an exercise price of $12.60 per share, resulting in 13,785 shares issued. On the same date he sold 24,334 shares at $18.00 per share pursuant to a Rule 10b5-1 trading plan adopted March 7, 2025. After these transactions his reported beneficial ownership in Lightbridge common stock is 169,277 shares. The filing also discloses additional vested options: 4,469 options at $18.48 and 5,449 options at $55.20, with exercisable and expiration dates shown in the report.