Terrestrial Energy Inc. /DE/ ($IMSR) Insider Trading & Smart Money Activity
Terrestrial Energy Inc. /DE/ ($IMSR) has 3 insider trades on file. In the last 12 months on the open market, 3 insiders bought ($112.28K) and no insider sold, net +$112.28K.
- Insider buyers (12 mo)
- 3
- Insider sellers (12 mo)
- 0
- Net insider $ (12 mo)
- +$112.28K
- Congress trades (12 mo)
- 0
- 13F moves on file
- 0
- Analyst ratings on file
- 0
IMSR insider buying and selling by quarter
| Quarter | Insider buys | Insider sales | Congress buys / sales | 13F added / cut |
|---|---|---|---|---|
| Q1 2026 | 0 | 0 | 0 / 0 | 0 / 0 |
| Q2 2026 | 0 | 0 | 0 / 0 | 0 / 0 |
| Q3 2026 | 0 | 0 | 0 / 0 | 0 / 0 |
| Q4 2026 | 3 · $112.28K | 0 | 0 / 0 | 0 / 0 |
Insider buys and sales count open-market trades only (Form 4 codes P and S). Grants, option exercises and tax withholding are left out.
All IMSR insider, congress, 13F and analyst activity
| Date | Source | Who | Action | Shares | Value / amount | ΔOwn | 1W | 1M | 6M | Filing | Story |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Insider | Pardee Charles GDirector | Buy (Open-market buy) | 7.50K sh | $22.12K | Read | ||||||
| Insider | Irish SimonChief Executive Officer | Buy (Open-market buy) | 16.90K sh | $50.82K | Read | ||||||
| Insider | Buckman Frederick WDirector | Buy (Open-market buy) | 12K sh | $39.34K | -7.0% | Read |
1W / 1M / 6M = how IMSR moved from the trade or filing date.
Insider trading in IMSR: who is buying and selling
| Insider | Role | Trades | Open-market net | Shares held | Last trade |
|---|---|---|---|---|---|
| Pardee Charles G | Director | 1 | +$22.12K | Oct 14, 2026 | |
| Irish Simon | Chief Executive Officer | 1 | +$50.82K | Oct 13, 2026 | |
| Buckman Frederick W | Director | 1 | +$39.34K | Oct 9, 2026 |
Frequently asked questions
Are IMSR insiders buying or selling?
Over the last 12 months 3 insiders made 3 open-market purchases worth $112.28K and 0 insiders made 0 open-market sales worth $0, a net +$112.28K.
What is the latest insider trade in IMSR?
Pardee Charles G, Director filed a buy (open-market buy) of 7.50K sh worth $22.12K on Oct 14, 2026.
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Data comes from public SEC Form 4 and 13F filings and STOCK Act disclosures. Dates are the trade or filing date reported. This page is for research only and is not investment advice.
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