Irish Simon
Chief Executive Officer
Exercise
Calculated transaction value
$0
55,432 shares @ $0
Traded
Oct 28, 2026
Filed
Oct 30, 2026
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Terrestrial Energy Inc
IMSR
ManufacturingFabricated Metal
Transactions reported in official disclosures
Price with disclosed trades
Daily closes, past year · marks sit on transaction dates, sized by value
10 trades
| Reporting person | Filed | Transaction | Transaction value | Source | Actions |
|---|---|---|---|---|---|
| Irish Simon Chief Executive Officer | Oct 30, 2026 2-day lag | Exercise Oct 28, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Irish Simon Chief Executive Officer | Oct 30, 2026 2-day lag | Exercise Oct 28, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Irish Simon Chief Executive Officer | Oct 26, 2026 5-day lag | Exercise Oct 21, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Irish Simon Chief Executive Officer | Oct 26, 2026 5-day lag | Exercise Oct 21, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Williams David Woodward Chief Commercial Officer | Oct 21, 2026 2-day lag | Award Oct 19, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Pardee Charles G Director | Oct 15, 2026 1-day lag | Buy Oct 14, 2026 | $22.13K Filed shares x price | SEC Form 4 View filing | |
| Irish Simon Chief Executive Officer | Oct 14, 2026 1-day lag | Buy Oct 13, 2026 | $50.82K Filed shares x price | SEC Form 4 View filing | |
| Buckman Frederick W Director | Oct 13, 2026 4-day lag | Buy Oct 9, 2026 | $39.34K Filed shares x price | SEC Form 4 View filing | |
| Cowan Pamela Beth EVP, Engineering | Jul 31, 2026 2-day lag | Award Jul 29, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Mc Carthy Kathryn Ann Director | Jul 27, 2026 4-day lag | Award Jul 23, 2026 | $0 Filed shares x price | SEC Form 4 View filing |
Irish Simon
Chief Executive Officer
Exercise
Calculated transaction value
$0
55,432 shares @ $0
Traded
Oct 28, 2026
Filed
Oct 30, 2026
Irish Simon
Chief Executive Officer
Exercise
Calculated transaction value
$0
511,580 shares @ $0
Traded
Oct 21, 2026
Filed
Oct 26, 2026
Irish Simon
Chief Executive Officer
Exercise
Calculated transaction value
$0
511,580 shares @ $0
Traded
Oct 21, 2026
Filed
Oct 26, 2026
Williams David Woodward
Chief Commercial Officer
Award
Calculated transaction value
$0
152,672 shares @ $0
Traded
Oct 19, 2026
Filed
Oct 21, 2026
Pardee Charles G
Director
Buy
Calculated transaction value
$22.13K
7,500 shares @ $2.95
Traded
Oct 14, 2026
Filed
Oct 15, 2026
Irish Simon
Chief Executive Officer
Buy
Calculated transaction value
$50.82K
16,900 shares @ $3.01
Traded
Oct 13, 2026
Filed
Oct 14, 2026
Buckman Frederick W
Director
Buy
Calculated transaction value
$39.34K
12,000 shares @ $3.28
Traded
Oct 9, 2026
Filed
Oct 13, 2026
Cowan Pamela Beth
EVP, Engineering
Award
Calculated transaction value
$0
299,401 shares @ $0
Traded
Jul 29, 2026
Filed
Jul 31, 2026
Mc Carthy Kathryn Ann
Director
Award
Calculated transaction value
$0
2,049 shares @ $0
Traded
Jul 23, 2026
Filed
Jul 27, 2026