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Reporting owner

BUCKMAN FREDERICK W

Reporting owner CIK 0001144845 · Director

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These transactions appear in filings associated with this reporting owner. Jointly reported quantities and amounts are unallocated; they are not this owner's individual purchases or total holdings. Names and roles reflect the relevant filing, and a reporting owner may be a person or an organization.

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Transaction timeline

Who reported an acquisition, and when the transaction occurred.

Reported acquisitions by transaction dateEach row is a reporting owner. Select a marker to open its transaction details. Jointly reported transactions appear for each associated reporting owner, without dividing quantities or amounts.BUCKMAN FREDERICK WBUCKMAN FREDERICK WBUCKMAN FREDERICK W · October 9, 2026 · Purchase · Common StockBUCKMAN FREDERICK W · December 18, 2025 · Stock award · Resricted Stock UnitsBUCKMAN FREDERICK W · December 18, 2025 · Stock award · Restricted Stock UnitsDec 18, 2025Oct 9, 2026
PurchaseStock awardGift receivedExercise / conversionConversionOther acquisition

3 dated transactions · 1 of 1 reporting owners shown. Select one owner to focus the chart.

View timeline as a table
Transaction dateCompany / securityReporting ownersAcquisition type
Oct 9, 2026Terrestrial Energy Inc. /DE/Common StockBUCKMAN FREDERICK WPurchase
Dec 18, 2025Terrestrial Energy Inc. /DE/Resricted Stock UnitsBUCKMAN FREDERICK WStock award
Dec 18, 2025Terrestrial Energy Inc. /DE/Restricted Stock UnitsBUCKMAN FREDERICK WStock award

Only transactions on this page are shown. Date windows end on the latest transaction date in this sample. Joint filings may appear on more than one row. Sales are not included. Share-price charts use a separate data source.

Transactions in associated filings

Reported insider acquisitions, ordered by filing date, newest first. Currency is shown only when reported.
Filed / transactedCompanyReporting ownersType / securityQuantityPrice / reference valueDetails
Trade: Terrestrial Energy Inc. /DE/IMSR · IMSRW · company listingsPurchaseCommon StockNon-derivative security · Code P12,0003.278Value: 39,336Currency not specifiedView ↗
Trade: Terrestrial Energy Inc. /DE/IMSR · IMSRW · company listingsStock awardResricted Stock UnitsDerivative security · Code A1,1760Value: 0Currency not specifiedView ↗
Trade: Terrestrial Energy Inc. /DE/IMSR · IMSRW · company listingsStock awardRestricted Stock UnitsDerivative security · Code A6,7030Value: 0Currency not specifiedView ↗