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Lightbridge insider sale: 1,246 shares via 10b5-1 at $22.89

Filing Impact
(Neutral)
Filing Sentiment
(Negative)
Form Type
4

Rhea-AI Filing Summary

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.

Positive

  • Sale executed under a Rule 10b5-1 plan, indicating a pre-arranged, compliant disposition
  • Reporting person retained substantial ownership after the sale: 45,449 shares

Negative

  • Director reduced holdings by 1,246 shares, a direct decrease in insider ownership
  • Price range narrow but represents realized selling at ~$22.89

Insights

Director executed a pre‑arranged sale of 1,246 LTBR shares under a 10b5‑1 plan.

The transaction is a non‑derivative sale of 1,246 common shares at a weighted average price of $22.89, carried out under a Rule 10b5‑1 plan adopted on 05/21/2025. Using a 10b5‑1 plan typically signals the trade was pre‑scheduled and intended to provide an affirmative defense against insider trading claims.

Dependencies and risks include the plan's parameters and any discretionary elements allowed by the plan; the filing notes multiple executions between $22.8325 and $22.93. Investors may monitor subsequent Form 4 filings for additional plan activity or changes in beneficial ownership over the near term.

Insider Chakraborty Sweta
Role Director
Sold 1,246 shs ($29K)
Type Security Shares Price Value
Sale Common Stock 1,246 $22.89 $29K
Holdings After Transaction: Common Stock — 45,449 shares (Direct)
Footnotes (1)
  1. The reported sale of 1,246 shares of common stock was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 21, 2025. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $22.8325 to $22.93, inclusive. The reporting person undertakes to provide to Lightbridge Corporation, any security holder of Lightbridge Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.
Form 4 Insider Transactions: What Each Field Means →
SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number: 3235-0287
Estimated average burden
hours per response: 0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
X
 Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Chakraborty Sweta
(Last) (First) (Middle)
C/O LIGHTBRIDGE CORPORATION
11710 PLAZA AMERICA DRIVE, SUITE 2000
(Street)
RESTON VA 20190
(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
LIGHTBRIDGE Corp [ LTBR ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
X Director 10% Owner
Officer (give title below) Other (specify below)
3. Date of Earliest Transaction (Month/Day/Year)
10/08/2025
4. If Amendment, Date of Original Filed (Month/Day/Year)
 6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 10/08/2025 S 1,246(1) D $22.89(2) 45,449 D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Explanation of Responses:
1. The reported sale of 1,246 shares of common stock was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 21, 2025.
2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $22.8325 to $22.93, inclusive. The reporting person undertakes to provide to Lightbridge Corporation, any security holder of Lightbridge Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.
/s/ Sweta Chakraborty 10/08/2025
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

Source: View Original Filing on SEC EDGAR

FAQ

What did the LTBR insider sell on 10/08/2025?

The reporting director sold 1,246 shares of LTBR common stock in multiple transactions at a weighted average price of $22.89.

Was the LTBR sale part of a 10b5-1 trading plan?

Yes. The sale was effected pursuant to a Rule 10b5-1 trading plan adopted on 05/21/2025.

How many LTBR shares does the reporting person own after the sale?

After the reported transactions the reporting person beneficially owned 45,449 shares of common stock.

What price range were the LTBR shares sold at?

The shares were sold in multiple transactions at prices ranging from $22.8325 to $22.93, with a weighted average of $22.89.

Can I request more detail about the individual sale prices?

Yes. The reporting person states they will provide full information on the number of shares sold at each separate price upon request to the company, any shareholder, or the SEC staff.