Lightbridge Corp (LTBR) CFO reports tax withholding and stock sale

Rhea-AI Filing Summary

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.

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^*

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)
12/04/2025

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	12/04/2025		F		12,500(1)	D	$17.79	359,677	D
Common Stock	12/05/2025		S		8,030(2)	D	$17.5(3)	351,647	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 8,030 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 $17.39 to $17.905, 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	12/05/2025
	** 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 stock transactions did Lightbridge Corp (LTBR) CFO report?

The CFO, Larry Goldman, reported two transactions in Lightbridge Corp common stock: tax-related withholding of 12,500 shares on December 4, 2025, and a sale of 8,030 shares on December 5, 2025.

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

The CFO sold 8,030 shares of Lightbridge Corp common stock at a weighted average price of $17.50 per share, with individual trade prices ranging from $17.39 to $17.905.

Were any of the LTBR shares sold by the CFO part of a Rule 10b5-1 plan?

Yes. The reported sale of 8,030 common shares on December 5, 2025 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 7, 2025.

Did the Lightbridge CFO sell the 12,500 LTBR shares reported on December 4, 2025?

No. The 12,500 shares reported on December 4, 2025 were withheld to cover taxes upon vesting of restricted stock awards, and the disclosure states that no shares were sold in that transaction.

How many LTBR shares does the Lightbridge CFO own after these transactions?

After the reported transactions, the CFO beneficially owned 351,647 shares of Lightbridge Corp common stock directly.

What stock options on LTBR shares does the Lightbridge CFO hold?

The CFO holds a fully vested employee stock option to acquire 4,469 shares of Lightbridge Corp common stock at an exercise price of $18.48 per share, with an expiration date of November 9, 2026.