v3.25.3

Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares	Sep. 30, 2025	Dec. 31, 2024
Condensed Consolidated Balance Sheets
Preferred shares, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred shares, authorized (in shares)	4,000,000	4,000,000
Preferred shares, issued (in shares)	200,592	137,672
Preferred shares, outstanding (in shares)	200,592	137,672
Common shares, par value (in dollars per share)	$ 0.001	$ 0.001
Common shares, authorized (in shares)	6,000,000	6,000,000
Common shares, issued (in shares)	738,331	738,331
Common shares, outstanding (in shares)	738,331	738,331
Preferred exchangeable shares, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred exchangeable shares, issued (in shares)	6,200	6,200
Preferred exchangeable shares, outstanding (in shares)	6,200	6,200
Common exchangeable shares, par value (in dollars per share)	$ 0.001	$ 0.001
Common exchangeable shares, issued (in shares)	530,924	530,924
Common exchangeable shares, outstanding (in shares)	530,924	530,924

Face amount or stated value per share of common exchangeable stock.

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Number of common exchangeable shares of an entity that have been sold or granted to shareholders.

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Face amount or stated value per share of preferred exchangeable stock nonredeemable or redeemable solely at the option of the issuer.

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Number of shares issued for nonredeemable preferred exchangeable shares and preferred exchangeable shares redeemable solely at option of issuer.

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Aggregate share number for all nonredeemable preferred exchangeable stock (or preferred exchangeable stock redeemable solely at the option of the issuer) held by stockholders.

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Face amount or stated value per share of common stock.

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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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Number of shares issued for nonredeemable preferred shares and preferred shares redeemable solely at option of issuer. Includes, but is not limited to, preferred shares issued, repurchased, and held as treasury shares. Excludes preferred shares classified as debt.

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Terrestrial Energy Inc. /DE/ S-1