MUSHAKOV ANDREY (EVP - Intl Nuclear Operations) sold 4.3% of their position (17.60K shares) of LIGHTBRIDGE CORP on the open market

Open‑market sale worth $352.7K — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale

MUSHAKOV ANDREY

Filed: 9/23/2025ACC: 0000891839-25-000053

InsiderMUSHAKOV ANDREYCIK 1371007

→

IssuerLIGHTBRIDGE CORPCIK 1084554

Officer· EVP - Intl Nuclear Operations

Since Aug 2018

-17.60K

Net shares

Net seller

$352.7K

Total sold

Open market trades

0B · 1S

Total transactions

17.60K acquired · 35.20K disposed

Non-Derivative Transactions2

Common Stock

Direct

M · Option Exercise

+17.60K

Price / share

$10.80

Trade value

$190.06K

% of position

4.4%

9/22/2025

395.70K→413.30K

Common Stock

Direct

S · Sale

−17.60K

Price / share

$20.04

Trade value

$352.66K

% of position

4.3%

9/22/2025

413.30K→395.70K

Total

Net shares

+0.00

Net value

-$162.61K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	9/22/2025	M · Option Exercise	+17.60K	$10.80	$190.06K	4.4%	395.70K	413.30K
Common Stock Direct	9/22/2025	S · Sale	−17.60K	$20.04	$352.66K	4.3%	413.30K	395.70K
Total			+0.00		-$162.61K

Derivative Transactions1

Employee Stock Option (right to buy)

Direct

M · Option Exercise

Converts to

Common Stock

17.60K shares

−17.60K

Strike price

10.8

Held after

0.00

Exercisable

—

9/22/2025

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Employee Stock Option (right to buy) Direct	Common Stock17.60K shares	9/22/2025	M · Option Exercise	−17.60K	10.8	—	0.00

Non-Derivative Holdings (Post-Transaction)0

No non-derivative holdings reported

Derivative Holdings (Post-Transaction)3

Employee Stock Option (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

11.35K

Shares owned

11.35K

Exercise price

18.48

Expiration

—

Exercise window

—

Employee Stock Option (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

25.09K

Shares owned

25.09K

Exercise price

12.6

Expiration

—

Exercise window

—

Employee Stock Option (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

10.07K

Shares owned

10.07K

Exercise price

55.2

Expiration

—

Exercise window

—

Total

Underlying

46.51K

Owned

46.51K

Security	Underlying	Exercise Price	Exercise Window	Expiration	Underlying Shares	Shares Owned
Employee Stock Option (right to buy) Direct	Common Stock	18.48	—	—	11.35K	11.35K
Employee Stock Option (right to buy) Direct	Common Stock	12.6	—	—	25.09K	25.09K
Employee Stock Option (right to buy) Direct	Common Stock	55.2	—	—	10.07K	10.07K
Total					46.51K	46.51K