IMSR insider buying and SEC filings, explained
Terrestrial Energy Inc. · CIK 2019804
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Insider activity in the last 12 months
Bought
$112K
Insiders who bought
3
Sold (not marked 10b5-1)
$0
Planned sales (10b5-1)
$0
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Oct 14, 2026 | Purchase (code P) | Charles G Pardee (Director) bought 7,500 shares at $2.95 ($22K), reported as a purchase (code P). Holdings up 111% to 14,258 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Oct 15, 2026, 5:42 PM ET |
| Oct 13, 2026 | Purchase (code P) | Simon Irish (CEO and Director) bought 16,900 shares at $3.01 ($51K), reported as a purchase (code P). Holdings up 1% to 2,312,834 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Oct 14, 2026, 9:15 AM ET |
| Oct 9, 2026 | Purchase (code P) | Frederick W. Buckman (Director) bought 12,000 shares at $3.28 ($39K), reported as a purchase (code P). Holdings up 180% to 18,669 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Oct 13, 2026, 11:06 AM ET |
17 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
3 insiders bought in 30 days
$112K in purchases since Oct 9, 2026 · Purchases traded Oct 9, 2026 to Oct 14, 2026 · Active
| Insider | Value | Traded | Source |
|---|---|---|---|
| Frederick W. Buckman (Director) | $39K | Oct 9, 2026 | SEC filing |
| Simon Irish (CEO) | $51K | Oct 13, 2026 | SEC filing |
| Charles G Pardee (Director) | $22K | Oct 14, 2026 | SEC filing |
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
No 8-K filings in the last 12 months.
Red flags are objective triggers only: the item or form filed, never an opinion.
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