[Form 4] Lightbridge Corp. Insider Trading Activity

Rhea-AI Filing Summary

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.

Insights

Financial Analyst

TL;DR Director Chakraborty sold 20,000 LTBR shares at an average $15.15, leaving 32,538 shares owned; filing is routine disclosure.

The sale is clearly documented with a weighted average price and an explicit price range for individual trades. The filing provides the essential data investors and analysts need to record insider liquidity and update ownership tables. The absolute size of the sale relative to the remaining beneficial ownership is disclosed, but without additional context (prior holdings, reason for sale) the transaction is a factual disclosure rather than a determinative signal about company performance.

Corporate Governance Expert

TL;DR Timely Form 4 shows compliance with Section 16 reporting; sale details and willingness to supply trade breakdowns are positive governance signals.

The report identifies the reporting person, relationship to issuer (director), transaction date, transaction code (sale), and the post-transaction beneficial ownership. The explicit note offering to provide per-trade quantities at specific prices supports transparency. From a governance perspective this is a proper, complete disclosure of an insider sale without appended explanations or amendments.

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
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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).

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)
08/15/2025

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	08/15/2025		S		20,000	D	$15.15(1)	32,538	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 price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $14.92 to $15.40, 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	08/19/2025
	** 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 report on Form 4?

She reported selling 20,000 common shares on 08/15/2025 at a weighted average price of $15.15, leaving 32,538 shares beneficially owned.

What price did the insider sale execute at for LTBR?

Weighted average price $15.15, with individual trade prices ranging from $14.92 to $15.40, per the footnote.

When was the Form 4 filed for the LTBR transaction?

The signature date on the form is 08/19/2025 reflecting the reporting of the 08/15/2025 transaction.

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

32,538 shares beneficially owned following the reported disposition.

Does the filing indicate the reporting person's relationship to LTBR?

Yes. Sweta Chakraborty is identified as a director of Lightbridge Corporation.