Lightbridge Corp Form 4 Filings

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 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.

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.

Goodman Sherri reported acquisition or exercise transactions in this Form 4 filing.

Lightbridge Corp director Sherri Goodman received a grant of 10,000 shares of Common Stock as restricted stock awards on 2026-08-06. These RSAs vest in six equal semi-annual installments over a three-year period, contingent on her continued service as director. After the grant, she directly owns 70,246 shares of Common Stock.

Lightbridge Corp director Jesse L. Funches reported acquiring 10,000 shares of Common Stock through a grant of restricted stock awards at $0.00 per share. These RSAs vest in six equal semi-annual installments over a three-year period, contingent on his continued service, bringing his direct holdings to 84,022 shares.

Chakraborty Sweta reported acquisition or exercise transactions in this Form 4 filing.

Lightbridge Corp director Sweta Chakraborty received a grant of 10,000 shares of common stock in the form of restricted stock awards. These RSAs vest in six equal semi-annual installments over a three-year period, contingent on her continued service. After this award, she directly holds 57,849 shares of Lightbridge common stock.

LIGHTBRIDGE Corp EVP & Chief Operating Officer Andrey Mushakov received a grant of 84,000 restricted stock awards on August 6, 2026. These RSAs vest in six equal semi-annual installments over three years, contingent on his continued service. After the grant, he directly holds 464,485 common shares plus a fully vested employee stock option for 11,351 shares at an exercise price of $18.48, expiring on November 9, 2026.

Lightbridge Corp President and CEO Seth Grae received a grant of 105,000 shares of common stock on August 6, 2026. Footnotes describe these as restricted stock awards vesting in six equal semi-annual installments over three years, contingent on continued service, increasing his direct holdings to 883,014 shares. He also holds fully vested employee stock options for 7,937 underlying shares at an exercise price of $12.60 expiring October 26, 2027, and 18,199 underlying shares at $18.48 expiring November 9, 2026.

Lightbridge Corp CFO Larry Goldman received a grant of 65,000 restricted stock awards on August 6, 2026. These RSAs vest in six equal semi-annual installments over three years, contingent on his continued service, bringing his direct common stock holdings to 384,827 shares. He also holds fully vested employee stock options covering 4,469 shares at an exercise price of $18.48 per share, expiring November 9, 2026.

Holcombe Scott Randall reported acquisition or exercise transactions in this Form 4 filing.

LIGHTBRIDGE Corp SVP & Chief Technology Officer Holcombe Scott Randall reported grants of 69,000 restricted stock awards (RSAs) of common stock on August 6, 2026. This includes 65,000 shares held directly and 4,000 shares held indirectly by his spouse. All 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.

LIGHTBRIDGE Corp director Sweta Chakraborty sold 1,143 shares of common stock in an open-market transaction at a weighted average price of $9.29 per share. The sale was executed under a Rule 10b5-1 trading plan adopted on March 5, 2026. After this transaction, she directly holds 47,849 shares, indicating that only a small portion of her ownership was sold. The shares were sold in multiple trades at prices ranging from $9.24 to $9.31.

LIGHTBRIDGE Corp director Sherri Goodman reported an open-market sale of 1,116 shares of common stock. The shares were sold at a weighted average price of $9.29 per share, in multiple trades between $9.24 and $9.31.

After this transaction, she directly holds 60,246 shares. The sale was executed under a pre-arranged Rule 10b5-1 trading plan adopted on March 20, 2026, indicating it was scheduled in advance as part of routine portfolio management.

LIGHTBRIDGE Corp director Sherri Goodman sold 1,116 shares of Common Stock in an open-market transaction. The shares were sold at a weighted average price of $9.584 per share, in multiple trades between $9.56 and $9.68. After the sale, she directly holds 61,362 shares. The transaction was executed under a Rule 10b5-1 trading plan adopted on March 20, 2026, indicating it was pre-scheduled rather than a discretionary trade.

LIGHTBRIDGE Corp CFO Larry Goldman reported a routine tax-related share disposition. On the vesting of performance-based restricted stock awards, 9,013 shares of common stock were withheld to cover taxes at an indicated value of $11.09 per share, and no shares were sold in the market. After this withholding, Goldman directly holds 319,827 shares of common stock. He also holds a fully vested employee stock option for 4,469 shares of common stock at an exercise price of $18.48 per share, expiring on November 9, 2026.

LIGHTBRIDGE Corp executive reports routine tax withholding on vested stock awards. EVP, Nuclear Operations Andrey Mushakov had 8,597 shares of common stock withheld at $11.09 per share on April 3, 2026 to cover taxes from vesting performance-based restricted stock awards. The footnote states that no shares were sold.

After this transaction, he directly holds 380,485 common shares. He also holds a fully vested employee stock option covering 11,351 shares of common stock at an exercise price of $18.48 per share, expiring on November 9, 2026.

Lightbridge Corp President and CEO Seth Grae reported a tax-related share disposition tied to equity compensation. On April 3, 2026, 13,256 shares of Common Stock were withheld at $11.0900 per share to cover taxes upon the vesting of performance-based restricted stock awards. The footnotes state that no shares were sold in the market. After this withholding, Grae directly owned 778,014 Common shares and held fully vested employee stock options covering 7,937 shares at $12.6000 per share expiring on October 26, 2027, and 18,199 shares at $18.4800 per share expiring on November 9, 2026.

Lightbridge Corporation executive Andrey Mushakov, EVP of Nuclear Operations, reported planned sales of company stock. On January 29, 2026, he sold an aggregate of 30,289 shares of Lightbridge common stock under a Rule 10b5-1 trading plan adopted on September 30, 2025.

The sales occurred in three transactions at weighted average prices of $17.475 for 2,533 shares, $16.544 for 24,929 shares, and $16.033 for 2,827 shares, leaving him with 389,082 shares of common stock held directly. He also holds a fully vested employee stock option for 11,351 shares at an exercise price of $18.48, expiring on November 9, 2026.

Lightbridge Corporation CFO Larry Goldman reported a planned sale of company stock under a Rule 10b5-1 trading plan. On January 14 and 15, 2026, he sold a total of 8,869 shares of Lightbridge common stock in open market transactions. The January 14 sale covered 2,519 shares at a weighted average price of $18.0001 per share, with trades ranging from $18.00 to $18.0012. The January 15 sale covered 6,350 shares at a weighted average price of $18.0694 per share, with trades ranging from $18.00 to $18.30.

After these sales, Goldman beneficially owned 328,840 shares of common stock directly. He also held 4,469 employee stock options with an exercise price of $18.48 per share, which were fully vested as of the report date.

Lightbridge Corporation director Jesse L. Funches reported selling 1,449 shares of Lightbridge common stock on 01/09/2026 at a weighted average price of $16.9582 per share. The sale was executed under a Rule 10b5-1 trading plan that he adopted on May 14, 2025.

After this transaction, Funches beneficially owns 74,022 shares of Lightbridge common stock in direct ownership. The shares were sold in multiple trades at prices ranging from $16.91 to $17.01 per share, and he has committed to provide detailed price breakdowns to Lightbridge, its security holders, or the SEC staff upon request.

Lightbridge Corporation CFO Larry Goldman reported recent personal stock transactions. On 12/15/2025, 8,487 shares of common stock were withheld at $14.49 per share to cover taxes upon vesting of restricted stock awards, and no shares were sold in that transaction. On 12/16/2025, he sold 5,451 shares of common stock at $14.5 per share under a Rule 10b5-1 trading plan adopted on March 7, 2025. After these transactions, he directly owned 337,709 shares of Lightbridge common stock. He also holds an employee stock option to purchase 4,469 shares at an exercise price of $18.48, which is fully vested and expires on 11/09/2026.

Lightbridge Corporation reported an insider equity transaction by its EVP, Nuclear Operations, on 12/15/2025. The executive had 8,104 shares of common stock withheld at $14.49 per share to cover taxes upon the vesting of restricted stock awards, and no shares were sold into the market.

After this tax withholding, the officer beneficially owns 419,371 shares of Lightbridge common stock directly. The insider also holds a fully vested employee stock option to purchase 11,351 shares at an exercise price of $18.48 per share, expiring on 11/09/2026.

Lightbridge Corporation President and CEO Seth Grae reported a tax‑withholding transaction involving 12,993 shares of common stock on December 15, 2025. The shares were withheld to cover taxes due upon the vesting of restricted stock awards, and the company notes that no shares were sold in the market.

After this transaction, Grae directly beneficially owns 791,270 shares of Lightbridge common stock. He also holds fully vested employee stock options to purchase 7,937 shares at an exercise price of $12.60 per share expiring on October 26, 2027, and options for 18,199 shares at an exercise price of $18.48 per share expiring on November 9, 2026.

Lightbridge Corp CFO Larry Goldman reported insider transactions in company stock. On December 4, 2025, 12,500 shares of common stock were withheld to cover taxes upon the vesting of restricted stock awards at a price of $17.79 per share, and no shares were sold. After this tax withholding, he beneficially owned 359,677 common shares directly.

On December 5, 2025, he sold 8,030 common shares at a weighted average price of $17.50 per share, in multiple transactions ranging from $17.39 to $17.905, under a Rule 10b5-1 trading plan adopted on March 7, 2025. Following this sale, he directly owned 351,647 common shares and held a fully vested employee stock option covering 4,469 common shares at an exercise price of $18.48 per share, expiring on November 9, 2026.

Lightbridge Corporation executive vice president of nuclear operations Andrey Mushakov reported a tax-related share withholding. On December 4, 2025, 11,936 shares of Lightbridge common stock were withheld at $17.79 per share to cover taxes upon vesting of restricted stock awards, and he beneficially owns 427,475 shares directly after this transaction. The filing notes that no shares were sold. He also holds fully vested employee stock options exercisable at $18.48 for 11,351 shares of common stock, expiring on November 9, 2026.

Lightbridge Corporation (LTBR) reported insider activity by its CFO on a Form 4. On 11/20/2025, 7,048 shares of common stock were withheld to cover taxes upon vesting of restricted stock awards at a price of $14.53 per share, and no shares were sold in that tax withholding transaction. On the same date, the CFO sold 4,527 shares of common stock at a weighted average price of $15.22 per share, executed under a pre-arranged Rule 10b5-1 trading plan adopted on March 7, 2025.

After these transactions, the CFO beneficially owned 325,511 shares of Lightbridge common stock directly. The filing also reports a fully vested employee stock option to purchase 4,469 shares of common stock at an exercise price of $18.48 per share, expiring on 11/09/2026.

Lightbridge Corp (LTBR) executive vice president of Nuclear Operations Andrey Mushakov reported an insider equity transaction. On 11/20/2025, 6,730 shares of Lightbridge common stock were withheld at $14.53 per share to cover taxes upon vesting of restricted stock awards, and no shares were sold into the market. After this withholding, Mushakov beneficially owns 388,969 shares of common stock directly. He also holds a fully vested employee stock option to buy 11,351 shares of common stock at an exercise price of $18.48 per share, which expires on 11/09/2026.

Lightbridge Corp (LTBR) President and CEO Seth Grae, who is also a director, reported a routine insider transaction on a Form 4. On 11/20/2025, 10,791 shares of common stock were withheld at $14.53 per share to cover taxes upon the vesting of restricted stock awards, and no shares were sold into the market. Following this transaction, he directly owns 742,525 shares of Lightbridge common stock.

Grae also reports fully vested employee stock options giving the right to buy 7,937 shares at an exercise price of $12.60 per share expiring on 10/26/2027, and 18,199 shares at $18.48 per share expiring on 11/09/2026. These holdings show his continued equity stake and option-based incentives in the company.

Lightbridge (LTBR) director reports an open-market sale under a pre-set plan. On 11/03/2025, the reporting person sold 1,948 shares of common stock pursuant to a Rule 10b5-1 trading plan adopted on May 21, 2025. The weighted average sale price was $26.73, with individual trades ranging from $26.2975 to $27.195. Following the transaction, the director beneficially owns 43,501 shares, held directly.

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.

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.

Andrey Mushakov, Executive Vice President of Nuclear Operations at Lightbridge Corporation (LTBR), exercised and sold shares under a Rule 10b5-1 plan. On 09/22/2025 he exercised 17,598 employee stock options with a $10.80 exercise price and immediately sold 17,598 shares at a weighted-average price of $20.04, reporting 395,699 shares owned after the sale. The exercise generated 17,598 shares listed as newly acquired in the report and the sale was disclosed as multiple transactions between $20.00 and $20.14. The report also lists outstanding vested options: 25,093 at $12.60, 11,351 at $18.48 and 10,067 at $55.20, and shows total beneficial ownership of 413,297 shares prior to the sale.