Insider trade

Terrestrial Energy Inc. (IMSR): CEO bought ~$51K

Simon Irish, CEO at Terrestrial Energy Inc., bought ~$51K of Terrestrial Energy Inc. shares.

~$51K
Approx. value · 17K sh @ $3.01
2.31M
Holds after · shares reported
Traded
Oct 13, 2026
Filed
Oct 14, 2026

Context

Written by software from the filings listed below · Oct 16, 2026

  • What was filed. SEC Form 4: Simon Irish, Chief Executive Officer, CEO, reported an open-market purchase of about $51K of Terrestrial Energy Inc. (IMSR) shares (16,900 shares at $3.01 each). The transaction date was Oct 13, 2026 and the Form 4 was filed on Oct 14, 2026, 1 day later.

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The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

  1. Oct 9, 2026InsiderDirector purchased ~$39K of IMSR shares in the open market
  2. Oct 13, 2026 · this disclosureInsiderCEO purchased ~$51K of IMSR shares in the open market

What came next

  1. Oct 14, 2026InsiderDirector purchased ~$22K of IMSR shares in the open market
  2. Nov 10, 2026Company filing · Form 8-K · ResultsReported its results
View the official recordSEC Form 4

How to read SEC Form 4

Form 4 is the filing that officers, directors and owners of more than 10% of a US-listed company must send to the SEC within two business days after they buy, sell or otherwise change their holding of the company's stock.

Full guide: What is an SEC Form 4?

What else is on file for Terrestrial Energy Inc.

For Terrestrial Energy Inc., OQRO holds 3 insider filings (SEC Form 4 or Form 144) dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its IMSR page.

How this filing works

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Other disclosures at Terrestrial Energy Inc.

Everything OQRO holds on this company is on its IMSR page.

This is one filing. OQRO holds the rest

Insider trades filed with the SEC, stock trades disclosed by members of Congress, fund holdings from 13F filings and federal contract awards, each one in plain words next to its official filing. On this page it opens why the trade stands out, what the company did around that time, the price since, and every field of the form.

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