LeBlanc David Michael 4

What Happened
David Michael LeBlanc, Chief Technology Officer and a director of Terrestrial Energy Inc. (IMSR), received a grant of 32,787 derivative securities on April 12, 2026. The filing reports the grant at $0.00 per share (award/grant type), indicating an option/award issuance rather than an open‑market purchase or sale.

Key Details

• Transaction date: 2026-04-12; Form 4 filed: 2026-04-14 (timely filing).
• Transaction type/code: Award/Grant (A) — 32,787 derivative securities reported at $0.00.
• Shares owned after transaction: not specified in the provided filing.
• Footnote: Options were granted under the Terrestrial Energy Inc. 2025 Equity Incentive Plan and vest in three equal installments on each of the first, second and third anniversaries of the grant date, subject to continued service.
• No exercise, sale, tax withholding, or 10b5-1 plan was reported in this filing.

Context
This is a compensation grant (stock options/awards) to an executive and director rather than a market buy or sale. Such grants are common as employee incentive compensation and do not necessarily indicate immediate insider buying or selling; vesting conditions mean the award becomes economically meaningful over time if LeBlanc remains with the company and exercises options per plan terms.