Terrestrial Energy Inc. /DE/ (IMSR) Insider Trading
Net buyingShare price and insider trades
Price history unavailable.
Terrestrial Energy Inc. /DE/ insider trading at a glance (Oct 13, 2026): in the past 12 months, 1 insider bought $39K and 0 sold $0 of IMSR stock on the open market.
By InsiderPrint Research Desk · Updated · Sources: SEC EDGAR Form 4 filings · How we calculate this
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IMSR insider buying and selling by quarter
Open-market purchases (green, above the line) and sales (red, below), by trade date.
| Quarter | Bought | Purchases | Sold | Sales |
|---|---|---|---|---|
| Q4 2026 | $39K | 1 | — | 0 |
Valuation, profit and volume
Summary
Over the past 12 months, 1 Terrestrial Energy Inc. /DE/ insider reported open-market purchases totaling $39K, while 0 insiders reported sales totaling $0.
Insider transactions
Open-market purchases and sales.
| Filed | Insider | Type | Shares | Price | Value | Since | Score |
|---|---|---|---|---|---|---|---|
| Oct 13 NewSEC | Frederick W BuckmanDirector | Buy | 12,00018,669 held (+180%) | $3.28 | $39K | — | — |
Insiders at Terrestrial Energy Inc. /DE/
| Insider | Bought | Sold | Last filing | Score |
|---|---|---|---|---|
| Frederick W BuckmanDirector | $39K | — | Oct 13, 2026 | — |
IMSR stock: common questions
Are Terrestrial Energy Inc. /DE/ insiders buying IMSR stock?
In the past 12 months, 1 insiders reported open-market purchases of IMSR worth $39K. The latest was Director Frederick W Buckman bought $39K of IMSR at $3.28 — first open-market purchase in our records; raises the stake by 180%.
Are Terrestrial Energy Inc. /DE/ insiders selling IMSR stock?
0 insiders reported sales worth $0 over the same period.
Where does this data come from?
Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.