Irish Simon bought IMSR

October 21, 2026 · Form 4 insider transaction

Irish Simon bought 511,580 shares of Terrestrial Energy Inc. at $0.00 per share, a transaction worth N/A. The trade was recorded as option exercise and disclosed on an SEC Form 4, filed 5 days after the transaction.

Direction
Acquired (buy-side)
Shares
511,580
Price
$0.00
Total value
N/A
RoleOfficer, Director
SecurityCommon Stock
Transaction codeM: Option exercise
Transaction dateOctober 21, 2026
Filing dateOctober 26, 2026
Shares owned after2,824,414
OwnershipDirect
10b5-1 planNo
AmendedNo

Footnotes

Represents shares of common stock subject to vested portion of restricted stock unit award.

View the original Form 4 on SEC EDGAR