MacDiarmid John Hugh
SEC insider (Form 3/4/5 filer). CIK 0002092518. Director at Terrestrial Energy Inc. /DE/ (IMSR). 2 reported Form 4/5 transactions since Sep 2024; latest on Dec 18, 2025. Located in CHARLOTTE, NC.
Companies MacDiarmid John Hugh has filed insider reports for
- Terrestrial Energy Inc. /DE/ (IMSR): Director
MacDiarmid John Hugh
CIK: 0002092518
Transaction Breakdown
Open Market Buys (P)0 (0.0%)
High conviction signal
Open Market Sales (S)0 (0.0%)
Position reduction
Option Exercises (M)0 (0.0%)
Derivative conversions
Awards (A)2 (100.0%)
Compensation grants
Other (G, F, J, C, D, …)0 (0.0%)
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
IMSR
Terrestrial Energy Inc. /DE/
Director