Terrestrial Energy Ownership & Insider Activity

Terrestrial Energy (IMSR) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 2.5% of shares outstanding. Institutional investors hold 12.3%. Over the past 90 days, insiders made 1 purchase worth $39K.

Shares Outstanding

105.935M

Shares Float

48.417M

Insider Shares Owned

2.615M

Insider % Owned

2.5%

Institutional Shares Held

13.050M

Institutional % Held

12.3%

Ownership Breakdown

Net Insider Activity by Month

Purchases (90d)

$39K total

Sales (90d)

Net Activity

Net Buying

Net Value (90d)

$39K

Terrestrial Energy Insider Transactions (Last 6 Months)

Date	Insider	Title	Type	Shares	Price	Value
Oct 9, 2026	FREDERICK BUCKMAN	—	BUY	12.000K	$3.28	$39K