Form4insider filings, from the source

Insider · CIK 0002147170

Pamela Beth Cowan

Files at: IMSR. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted

Reported trades — common stock

No reported common-stock activity in this period.

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Jul 29, 2026 AForm 4 →Jul 31, 5:00 pm EDTTerrestrial Energy Inc. /DE/IMSR299,401——299,401—