[Form 4] Lightbridge Corp. Insider Trading Activity

Rhea-AI Filing Summary

Sweta Chakraborty, a director of Lightbridge Corporation (LTBR), reported the sale of 1,948 shares of common stock on 09/02/2025 under a pre-established Rule 10b5-1 trading plan. The weighted-average price for the disposals was $14.22, with individual trade prices ranging from $14.0287 to $14.38. After the reported transactions, Chakraborty beneficially owned 48,642 shares. The Form 4 was signed by an attorney-in-fact on behalf of the reporting person.

Positive

• Transaction executed under a Rule 10b5-1 plan, indicating trades were preplanned and not opportunistic.
• Full disclosure of weighted-average price and price range ($14.0287 to $14.38) improves transparency.
• Reporting person retains 48,642 shares after the sale, showing continued ownership.

Negative

• Insider sale of 1,948 shares reduces the director's stake, which some investors may view negatively.

Insights

Financial Analyst

TL;DR: Insider sold a small parcel under a pre-set 10b5-1 plan; ownership remains substantive at 48,642 shares.

The sale of 1,948 shares at a weighted-average price of $14.22 appears routine and was executed under a Rule 10b5-1 plan adopted May 21, 2025, which limits ability to time trades based on material nonpublic information. The filing discloses the price range of trades and residual ownership, enabling straightforward calculation of the director's remaining stake. There is no additional financial data or context in this Form 4 to assess impact on company fundamentals.

Corporate Governance Expert

TL;DR: Use of a documented 10b5-1 plan signals compliance with insider trading controls; transaction is transparent.

The reporting indicates adherence to insider-trading best practices by executing sales pursuant to a documented 10b5-1 plan adopted May 21, 2025, and disclosing the weighted-average price and range. The Form 4 provides clear traceability of the transaction and remaining beneficial ownership. No governance red flags or unexplained amendments are present in the filing text provided.

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)
09/02/2025

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	09/02/2025		S		1,948(1)	D	$14.22(2)	48,642	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 1,948 shares of common stock were 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 $14.0287 to $14.38, 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/ Larry Goldman, Attorney-in-Fact for Sweta Chakraborty	09/03/2025
	** 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.

FAQ

What did LTBR director Sweta Chakraborty sell and when?

She sold 1,948 shares of LTBR common stock on 09/02/2025 as reported on the Form 4.

At what price were the LTBR shares sold?

The weighted-average sale price was $14.22, with trades ranging from $14.0287 to $14.38.

Were the sales part of a Rule 10b5-1 plan?

Yes. The Form 4 states the sales were effected pursuant to a 10b5-1 trading plan adopted May 21, 2025.

How many LTBR shares does Chakraborty own after the transaction?

She beneficially owned 48,642 shares following the reported sale.

Who signed the Form 4 for Sweta Chakraborty?

The form was signed by Larry Goldman, Attorney-in-Fact, on 09/03/2025 on behalf of the reporting person.