IMSR
Terrestrial Energy Inc.
63
Research score, not a recommendation.
Total bought$112.3K3 Form 4 purchases
Distinct insiders3open-market buyers
Lead insiderIrish SimonCEO
Cluster window2026-10-09 → 2026-10-14active
Market data
Live quote and chart from Yahoo Finance, loaded through this server. Insider purchases are marked on the chart.
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Why this score
Research score: a weighted blend of the five factors, times the routine and offering discounts, minus the selling penalty.
Breadth
number & diversity of participating insiders
37%
Seniority
executive rank of buyers (CEO/CFO/Director)
91%
Commitment
purchase size relative to company & holdings
70%
Context
buying into stock weakness signals conviction
100%
Timing
coordinated purchases within a tight window
99%
Routine-purchase discount
× 1.00
Company-type / offering discount
× 1.00
Net insider selling penalty
− 0
Why are they buying?
No explanation has been generated for this cluster. The filings in the table below are the primary evidence.
Stock Price & Insider Purchase History
Daily close price with open-market insider purchases plotted over time
Loading price history…
| Date | Insider | Role | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|
| 2026-10-13 | Irish Simon history of Irish Simon's purchases | CEO | 16,900 | $3.01 | $50.8K | SEC filing for Irish Simon (opens in a new tab) |
| 2026-10-09 | BUCKMAN FREDERICK W history of BUCKMAN FREDERICK W's purchases | Director | 12,000 | $3.28 | $39.3K | SEC filing for BUCKMAN FREDERICK W (opens in a new tab) |
| 2026-10-14 | Pardee Charles G history of Pardee Charles G's purchases | Director | 7,500 | $2.95 | $22.1K | SEC filing for Pardee Charles G (opens in a new tab) |
| Total | $112.3K | |||||