The Form 4 filing, an SEC report of insider stock activity, was filed on October 14, 2026. The purchase took place on October 13, 2026, one day before the filing.
Transaction details
| Transaction | |
|---|---|
| Date of Earliest Transaction | 2026-10-13 |
| Date of Latest Transaction | 2026-10-13 |
| Buy/Sell | buy |
| Transaction Count | 1 |
| Shares Transacted | 16,900 |
| Price | $3.01 |
| Total Transaction Value | $50,818.30 |
| Insider | |
| Ticker Symbol | IMSR |
| Company | Terrestrial Energy Inc. /DE/ |
| Insider Name | Irish Simon |
| Insider Title | Chief Executive Officer |
| Sector - Industry | Other - Unclassified |
| Holdings | |
| Total Shares Owned After Transaction | 2,312,834 |
| Position Size Change | 0.73% |
| Filing | |
| Filing Date | 2026-10-14 |
| SEC Link | View filing |
FAQ
What type of transaction is this?
This was a share purchase by Irish Simon, chief executive officer of Terrestrial Energy (IMSR). The transaction carries code P, which identifies a purchase. One transaction was reported.
What was the average price of the transaction?
The reported average price was $3.007 per share. Rounded to the nearest cent, that is $3.01 per share, as shown in the transaction details above.
How did this transaction affect the insider's holdings?
The purchase added 16,900 shares, bringing the reported balance to 2,312,834 shares. The shares bought made up about 0.73% of the shares owned after the trade.
What's the total transaction value?
The total purchase value was $50,818.30. That amount covers all 16,900 shares bought in the single reported transaction.
Are there any special circumstances around this transaction?
The available transaction information did not identify a special arrangement. Footnote text was not available, so any further terms or explanations in those notes remain unknown. The information does not establish why the shares were bought.
For research purposes only; not investment advice.