Matthews Shawn sold IMSR
October 28, 2025 · Form 4 insider transaction
Matthews Shawn sold 4,275,000 shares of Terrestrial Energy Inc. at $11.50 per share, a transaction worth $49.16M. The trade was recorded as j and disclosed on an SEC Form 4, filed 2 days after the transaction.
Direction
Disposed (sell-side)
Shares
4,275,000
Price
$11.50
Total value
$49.16M
InsiderMatthews Shawn
Role—
SecurityWarrants
Transaction codeJ: J
Transaction dateOctober 28, 2025
Filing dateOctober 30, 2025
Shares owned after4,275,000
OwnershipIndirect
10b5-1 planNo
AmendedNo
Footnotes
Mr. Matthews is the sole managing member of HCM Investor Holdings II, LLC (the "Sponsor"), which is registered owner of these shares and warrants, and Mr. Matthews holds voting and investment power with respect to shares and warrants held of record by the Sponsor.