Matthews Shawn bought IMSR
December 18, 2025 · Form 4 insider transaction
Matthews Shawn bought 4,190 shares of Terrestrial Energy Inc. at $0.00 per share, a transaction worth N/A. The trade was recorded as grant or award and disclosed on an SEC Form 4, filed 4 days after the transaction.
Direction
Acquired (buy-side)
Shares
4,190
Price
$0.00
Total value
N/A
InsiderMatthews Shawn
Role—
SecurityRestricted Stock Units
Transaction codeA: Grant or award
Transaction dateDecember 18, 2025
Filing dateDecember 22, 2025
Shares owned after4,190
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
Each restricted stock unit represents a contingent right to acquire one share of Common Stock. So long as the Reporting Person provides continuous service to Terrestrial Energy, Inc., 100% of the restricted stock units will vest on December 31, 2026.