LEBLANC DAVID MICHAEL enters TERRESTRIAL ENERGY INC. /DE/ with 19.71K shares plus derivative instruments

Holding both equity and derivatives at entry signals strong long-term conviction in the company.

Direct Indirect Derivatives

LEBLANC DAVID MICHAEL

Filed: 11/7/2025ACC: 0001104659-25-108630

InsiderLEBLANC DAVID MICHAELCIK 2092979

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IssuerTERRESTRIAL ENERGY INC. /DE/CIK 2019804

DirectorOfficer· Chief Technology Officer

Since Oct 2025

19.71K

Baseline shares

30% direct

5.98K

Direct ownership

1 position

11.38M

Derivative underlying

9 instruments

Security positions

13.73K indirect

Non-Derivative Holdings2

Common Stock, par value $0.0001 per share ("Common Stock")

Direct

Shares owned5.98K

Common Stock

Indirect

Shares owned13.73K

Total

5.98K direct·13.73K indirect19.71K

Security Title	Shares Owned	Ownership Type
Common Stock, par value $0.0001 per share ("Common Stock")	5.98K	Direct
Common Stock	13.73K	Indirect
Total	19.71K	5.98K direct·13.73K indirect

Derivative Holdings9

Contingent Value Right

Direct

Underlying security

Common Stock

Underlying shares

N/A

Shares owned

N/A

Exercise price

Expiration

—

Exercise window

—

Contingent Value Right

Indirect

Underlying security

Common Stock

Underlying shares

N/A

Shares owned

N/A

Exercise price

Expiration

—

Exercise window

—

Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

63.84K

Shares owned

N/A

Exercise price

2.2370

Expiration

—

Exercise window

—

Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

10.64K

Shares owned

N/A

Exercise price

2.2370

Expiration

—

Exercise window

—

Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

17.79K

Shares owned

N/A

Exercise price

2.0133

Expiration

—

Exercise window

—

Exchangeable Shares

Direct

Underlying security

Common Stock

Underlying shares

11.18M

Shares owned

N/A

Exercise price

Expiration

—

Exercise window

—

Warrants (Right to Buy)

Indirect

Underlying security

Common Stock

Underlying shares

41.58K

Shares owned

N/A

Exercise price

2.2370

Expiration

—

Exercise window

—

Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

53.20K

Shares owned

N/A

Exercise price

2.2370

Expiration

—

Exercise window

—

Warrants (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

17.88K

Shares owned

N/A

Exercise price

2.2370

Expiration

—

Exercise window

—

Total

Underlying

11.38M

Owned

0.00

Security	Underlying	Exercise Price	Exercise Window	Expiration	Underlying Shares	Shares Owned
Contingent Value Right Direct	Common Stock		—	—	N/A	N/A
Contingent Value Right Indirect	Common Stock		—	—	N/A	N/A
Stock Option (Right to Buy) Direct	Common Stock	2.2370	—	—	63.84K	N/A
Stock Option (Right to Buy) Direct	Common Stock	2.2370	—	—	10.64K	N/A
Stock Option (Right to Buy) Direct	Common Stock	2.0133	—	—	17.79K	N/A
Exchangeable Shares Direct	Common Stock		—	—	11.18M	N/A
Warrants (Right to Buy) Indirect	Common Stock	2.2370	—	—	41.58K	N/A
Stock Option (Right to Buy) Direct	Common Stock	2.2370	—	—	53.20K	N/A
Warrants (Right to Buy) Direct	Common Stock	2.2370	—	—	17.88K	N/A
Total					11.38M	0.00