Terrestrial Energy Inc. /DE/ (IMSR) Insider Trading

Sector: Construction · Market Cap: $329M · 2 insider purchases in the last 7 days

INSIDERDATESHARESPRICETOTAL VALUEOWNED AFTERΔ OWNEDFILING
Irish Simon
CEO
Oct 13, 2026
16,900$3.01$51K2,312,834+0.7%
Frederick W Buckman
Director
Oct 9, 2026
12,000$3.28$39K18,669+179.9%

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About Terrestrial Energy Inc. /DE/ Insider Trading

2 insiders at Terrestrial Energy Inc. /DE/ (IMSR) have purchased stock in the past 90 days, totaling $90K across 2 transactions (28,900 shares).

The most recent purchase was by CEO Irish Simon on October 13, 2026 — a $51K buy of 16,900 shares at $3.01, bringing his total holdings to 2,312,834 shares.

Insiders who purchased: Irish Simon (CEO, 1 buy totaling $51K); BUCKMAN FREDERICK W (Director, 1 buy totaling $39K).

This insider buying is notable given that IMSR had no recorded open market purchases in the nine months before that.

IMSR is in the Construction sector within the Construction industry with a market cap of $329M.

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