Lightbridge CFO has 9,013 shares withheld for taxes

LIGHTBRIDGE Corp CFO Larry Goldman reported a routine tax-related share disposition.

Rhea-AI Filing Summary

LIGHTBRIDGE Corp CFO Larry Goldman reported a routine tax-related share disposition. On the vesting of performance-based restricted stock awards, 9,013 shares of common stock were withheld to cover taxes at an indicated value of $11.09 per share, and no shares were sold in the market. After this withholding, Goldman directly holds 319,827 shares of common stock. He also holds a fully vested employee stock option for 4,469 shares of common stock at an exercise price of $18.48 per share, expiring on November 9, 2026.

Insider Trade Summary

Exercise Price or Tax Liability: 9,013 shares

Exercise Price or Tax Liability 2 txns

Insider GOLDMAN LARRY

Role CFO

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Common Stock	9,013	$11.09	$100K
holding	Employee Stock Option (right to buy)	--	--	--

Holdings After Transaction: Common Stock — 319,827 shares (Direct); Employee Stock Option (right to buy) — 4,469 contracts (Direct)

Footnotes (2)

1. F1. Shares withheld to cover taxes upon the vesting of performance-based restricted stock awards. No shares were sold.
2. F2. This option is fully vested as of the date of this report.

Key Figures

Tax-withheld shares: 9,013 shares Implied tax value per share: $11.09 per share Common shares held after transaction: 319,827 shares +3 more

6 metrics

Tax-withheld shares 9,013 shares Shares withheld to cover taxes on vested performance-based restricted stock awards

Implied tax value per share $11.09 per share Value applied to 9,013 tax-withheld shares of common stock

Common shares held after transaction 319,827 shares Direct holdings of CFO Larry Goldman following tax withholding

Outstanding option underlying shares 4,469 shares Underlying common shares for fully vested employee stock option

Option exercise price $18.48 per share Exercise price of remaining employee stock option held by CFO

Option expiration date November 9, 2026 Expiration of fully vested employee stock option

Key Terms

performance-based restricted stock awards, tax-withholding disposition, Employee Stock Option (right to buy), fully vested

4 terms

performance-based restricted stock awards financial

"Shares withheld to cover taxes upon the vesting of performance-based restricted stock awards."

tax-withholding disposition financial

"transaction_action": "tax-withholding disposition""

A tax-withholding disposition is an event or transaction—such as selling or transferring securities, exercising options, or receiving compensation—that triggers a requirement to hold back part of the payment and remit it to tax authorities. It matters to investors because it reduces the cash they receive immediately and can change the timing and amount of taxable income, like a cashier taking a portion of your sale proceeds to pay taxes before you get the rest.

Employee Stock Option (right to buy) financial

"security_title": "Employee Stock Option (right to buy)""

fully vested financial

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

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did LIGHTBRIDGE (LTBR) CFO Larry Goldman report?

Larry Goldman reported a tax-withholding disposition where 9,013 LIGHTBRIDGE common shares were withheld to cover taxes on vested performance-based restricted stock awards. No shares were sold in the open market; this is a routine, compensation-related event.

Did LIGHTBRIDGE (LTBR) CFO Larry Goldman sell any shares in this Form 4?

No, Larry Goldman did not sell any shares in the market. The Form 4 states that 9,013 shares were withheld solely to satisfy tax obligations upon vesting of performance-based restricted stock awards, which is standard for equity compensation.

How many LIGHTBRIDGE (LTBR) shares does the CFO hold after this transaction?

After the tax-withholding transaction, CFO Larry Goldman directly holds 319,827 shares of LIGHTBRIDGE common stock. This figure reflects his position following the withholding of 9,013 shares for taxes tied to vested performance-based awards.

What stock options does the LIGHTBRIDGE (LTBR) CFO still have outstanding?

Larry Goldman holds a fully vested employee stock option for 4,469 shares of LIGHTBRIDGE common stock. The option has an exercise price of $18.48 per share and an expiration date of November 9, 2026, providing additional potential equity exposure.

What does a tax-withholding disposition mean for LIGHTBRIDGE (LTBR) shareholders?

A tax-withholding disposition means the company retains a portion of vested shares to cover the executive’s tax liabilities. For LIGHTBRIDGE, this event simply reflects equity compensation mechanics and does not represent an open-market share sale by the CFO.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 04/14/2026 - 04:00 PM EDT Learn about SEC filing dates

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).

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 VIRGINIA 20190

(City) (State) (Zip)

UNITED STATES

(Country)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
04/03/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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	04/03/2026		F		9,013(1)	D	$11.09	319,827	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							(2)	11/09/2026	Common Stock	4,469		4,469	D

Explanation of Responses:

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

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

	/s/ Larry Goldman	04/14/2026
	** 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.
* Form 4: SEC 1474 (03-26)