[Form 4] LIGHTBRIDGE Corp Insider Trading Activity

Rhea-AI Filing Summary

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.

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).

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^*

GOLDMAN LARRY

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	CFO

3. Date of Earliest Transaction (Month/Day/Year)
11/20/2025

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	11/20/2025		F		7,048(1)	D	$14.53	330,038	D
Common Stock	11/20/2025		S		4,527(2)	D	$15.22(3)	325,511	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
Employee Stock Option (right to buy)	$18.48							(4)	11/09/2026	Common Stock	4,469		4,469	D

Explanation of Responses:

1. Shares withheld to cover taxes upon vesting of restricted stock awards. No shares were sold.

2. The reported sale of 4,527 shares of common stock were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 7, 2025.

3. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $15.12 to $15.315, 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.

4. This option is fully vested as of the date of this report.

	/s/ Larry Goldman	11/21/2025
	** 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 insider transaction did Lightbridge (LTBR) disclose on this Form 4?

The Form 4 reports that Lightbridge's CFO had 7,048 shares withheld to cover taxes on vesting of restricted stock and sold 4,527 shares of common stock on 11/20/2025 under a Rule 10b5-1 trading plan.

How many Lightbridge (LTBR) shares did the CFO sell and at what price?

The CFO sold 4,527 shares of Lightbridge common stock at a weighted average price of $15.22 per share, with individual trade prices ranging from $15.12 to $15.315.

How many Lightbridge (LTBR) shares does the CFO own after the reported transactions?

Following the reported transactions, the CFO beneficially owned 325,511 shares of Lightbridge common stock directly.

What was the purpose of the 7,048 Lightbridge (LTBR) shares listed as an F transaction code?

The 7,048 shares were withheld to cover taxes upon the vesting of restricted stock awards, and the filing notes that no shares were sold in that withholding.

Was the Lightbridge (LTBR) CFO's stock sale done under a Rule 10b5-1 plan?

Yes. The sale of 4,527 shares was effected pursuant to a Rule 10b5-1 trading plan adopted by the CFO on March 7, 2025.

What stock options for Lightbridge (LTBR) does the CFO report on this Form 4?

The CFO reports an employee stock option to buy 4,469 shares of Lightbridge common stock at an exercise price of $18.48 per share, expiring on 11/09/2026, which is fully vested.

What is the CFO's role and relationship to Lightbridge (LTBR)?

The reporting person is identified as an officer of Lightbridge Corporation, serving as its CFO, and the Form 4 is filed for one reporting person.