IMSR insider buying
1 cluster buyTerrestrial Energy Inc. /DE/
When two or more insiders at Terrestrial Energy Inc. /DE/ buy IMSR in a qualifying detection window, the grouped purchases provide a starting point for further research. Below is every cluster we've detected in IMSR plus the full record of qualifying open-market buys, each parsed directly from Form 4 filings and linked back to the source on SEC EDGAR.
Detected clusters
- Oct 9 – Oct 13, 2026Detected Oct 14, 2026Executive buyer2 insidersTotal bought$90.2KMarket capUnknown
All notable open-market buys in IMSR
Every open-market Form 4 purchase, newest first. Click an insider to see their full buying record across companies.
| Date | Insider | Shares | Price | Value | Filing |
|---|---|---|---|---|---|
| Oct 13, 2026 | Irish Simoncluster Director, Chief Executive Officer | 16,900 | $3.01 | $50.8K | SEC ↗ |
| Oct 9, 2026 | BUCKMAN FREDERICK Wcluster Director | 12,000 | $3.28 | $39.3K | SEC ↗ |
IMSR insider buying — FAQ
- Are insiders buying IMSR stock?
- Yes — 2 distinct insiders have bought IMSR (Terrestrial Energy Inc. /DE/) on the open market, including 1 cluster buy where two or more insiders bought within a rolling window. The most recent qualifying activity was Oct 14, 2026.
- How much IMSR stock have insiders bought?
- Insiders have bought a combined $90.2K of IMSR across 2 open-market purchases, based on SEC Form 4 filings.
- What is an insider cluster buy in IMSR?
- A cluster buy is two or more distinct Terrestrial Energy Inc. /DE/ insiders — officers, directors, or 10% owners — each buying IMSR on the open market within a rolling window. IMSR has 1 detected cluster buy to date.
- Where does this IMSR insider trading data come from?
- Every figure is parsed directly from SEC Form 4 filings on EDGAR, and each purchase on this page links back to its original filing document.
How we track insider buying in IMSR
We continuously poll SEC EDGAR for new Form 4 filings and parse every open-market purchase (transaction code P). A cluster is recorded when two or more distinct insiders — officers, directors, or 10% owners — each buy IMSR within a rolling window. We track clusters at every company size, from micro-caps to mega-caps. Transactions link to official filings; prices and market capitalizations may be cached market data. Read our methodology and data limits before interpreting the figures. What counts as a cluster buy?
This page is informational and reflects public filing data. It is not investment advice or a recommendation regarding IMSR.